Table of Contents
- Why This Distinction Matters
- The Fractional CTO Role
- The Tech Advisor Role
- The Head of Engineering Role
- Scope, Pricing, and Engagement Patterns
- When to Hire Each Role
- Making the Right Choice for Your Stage
- Common Mistakes and How to Avoid Them
- Next Steps
Why This Distinction Matters
Choosing between a fractional CTO, a tech advisor, and a full-time head of engineering is one of the highest-leverage decisions you’ll make as a founder or operator. Get it wrong, and you’ll waste months on misaligned expectations, burn cash on the wrong talent model, or ship products that don’t survive first contact with customers. Get it right, and you accelerate product velocity, reduce technical debt, and build a credible technology narrative that resonates with investors, acquirers, and your own team.
The confusion is understandable. All three roles touch strategy, hiring, and execution. But they operate at different cadences, carry different accountability, and cost vastly different amounts. A fractional CTO in Sydney might cost $15,000–$25,000 per month for 15–20 hours weekly and own your technical roadmap, vendor decisions, and board-ready architecture story. A tech advisor might work 2–4 hours monthly at $2,000–$5,000 per month and focus narrowly on one problem—say, evaluating whether to rebuild your infrastructure or scaling your data pipeline. A head of engineering is a full-time, equity-carrying executive who manages the entire engineering function, hiring, culture, and long-term capability building.
Your stage, burn rate, team maturity, and immediate priorities determine which model works. This guide walks through each role, their real-world scope and pricing from PADISO’s Sydney-based fractional engagements, and a practical framework for choosing.
The Fractional CTO Role
What a Fractional CTO Actually Does
A fractional CTO is a part-time technical executive who owns your technology strategy, hiring, vendor relationships, and the technical narrative you tell investors and acquirers. Unlike a consultant who parachutes in for a specific problem, a fractional CTO integrates into your leadership team, attends board meetings (or prepares materials for them), and makes binding decisions about architecture, hiring, and technology direction.
In practice, this means:
Strategy and Architecture A fractional CTO defines your technical roadmap, evaluates whether you should build, buy, or partner for critical capabilities, and ensures your infrastructure decisions scale with your business. At a seed-stage fintech startup, this might mean designing a SOC 2-ready architecture from day one rather than bolting on compliance later. At a Series-B SaaS company, it might mean moving from monolith to microservices, or deciding whether to adopt agentic AI for customer workflows. The fractional CTO doesn’t necessarily code—they shape the decisions that determine whether you ship fast or get bogged down in technical debt.
Hiring and Team Building Fractional CTOs interview engineering candidates, set hiring bars, and design interview processes. They often build the first engineering team from scratch, defining roles, levels, and compensation. For a non-technical founder, this is invaluable. You’re not just hiring engineers; you’re building a team that can execute your technical vision without constant supervision.
Vendor and AI Decisions Choosing between AWS, GCP, and Azure. Evaluating whether to use OpenAI’s API, Anthropic’s Claude, or open-source models. Deciding whether to build your own data pipeline or use Fivetran. A fractional CTO brings pattern-matched experience across dozens of companies and can short-circuit months of evaluation. They also negotiate terms and prevent lock-in.
Board and Investor Readiness Investors and acquirers want to understand your technical moat, architecture, and engineering capability. A fractional CTO translates your engineering work into a credible narrative. They prepare technical due diligence materials, explain why your architecture is defensible, and articulate a clear hiring and capability roadmap.
Compliance and Security If you’re pursuing SOC 2 or ISO 27001 compliance via Vanta, a fractional CTO guides the implementation, designs audit-ready architecture, and ensures your team understands what compliance actually requires—not just checkbox ticking, but building security into your operating model.
Typical Scope and Time Commitment
Most fractional CTO engagements run 15–20 hours per week, though some founders prefer 10 hours for early-stage and others scale to 25+ hours as the company grows. The engagement is typically ongoing—not a one-off project. You’re building a relationship where the fractional CTO becomes familiar with your team, customers, and constraints.
A typical week might look like:
- 2 hours: One-on-one with founder or CEO on strategy, hiring, and blockers
- 3 hours: Engineering team meetings—sprint planning, architecture reviews, technical decisions
- 2 hours: Vendor calls, AI platform evaluations, or infrastructure decisions
- 2 hours: Hiring—interviews, feedback, offer discussions
- 1 hour: Board or investor prep
- 5–7 hours: Async work—code review, architecture documentation, hiring process design
The balance shifts based on your immediate needs. In months where you’re hiring heavily, you might spend 8 hours on recruitment. In months where you’re evaluating a platform rebuild, you might spend 10 hours on architecture and technical due diligence.
Pricing and Cost Structure
Fractional CTO pricing in Australia typically ranges from $15,000 to $30,000 per month, depending on the CTO’s experience, your industry, and the complexity of your technical challenges. A CTO with 15+ years of experience and deep expertise in regulated industries (fintech, healthcare, biotech) commands the higher end. A CTO with 8–10 years of experience and strong product engineering background might be $18,000–$22,000.
Some fractional CTO providers, like PADISO’s fractional CTO offering in Sydney, work on a monthly retainer model. You commit to a 3–12 month engagement, and the CTO is available for a defined number of hours per week. Others work on a project basis (e.g., “design our AI strategy” or “hire and onboard our first engineering team”) and charge $50,000–$100,000 for a defined scope.
The retainer model is more common and predictable. You know you’re spending $20,000 per month, and the CTO knows they’re committed to 15 hours weekly. Both sides can plan.
Where Fractional CTOs Add the Most Value
- Seed to Series A: You need technical credibility and a hiring roadmap. A fractional CTO builds your first team and sets architectural patterns.
- Series B with a non-technical founder: Your CEO is strong on product and go-to-market but needs a technical co-pilot for vendor decisions, hiring, and board conversations.
- Platform transitions: You’re moving from monolith to microservices, adopting agentic AI, or consolidating infrastructure. A fractional CTO designs the transition and manages the engineering team through it.
- PE-backed companies: You’re running a modernisation or roll-up project. A fractional CTO provides interim technical leadership while you hire a permanent CTO, or augments your existing engineering leadership on a specific initiative.
- Compliance and security: You’re pursuing SOC 2 or ISO 27001 certification. A fractional CTO embeds compliance into your architecture from the start.
The Tech Advisor Role
What a Tech Advisor Actually Does
A tech advisor is a senior technologist who works on a highly specific, time-bounded problem. Unlike a fractional CTO, they don’t own your entire technology strategy. They’re brought in to answer a single question or solve a particular challenge, then step back.
Common tech advisor engagements include:
Technical Due Diligence You’re evaluating an acquisition, and you need someone to assess the target company’s technology, architecture, and engineering capability. A tech advisor spends 2–4 weeks digging into codebases, infrastructure, hiring patterns, and technical debt. They produce a report and recommendations.
Architecture Evaluation You’re deciding whether to rebuild your data platform, and you need an expert to assess the current state, map out options, and recommend a path. A tech advisor might spend 10–15 hours over 3–4 weeks on this work.
Vendor or Platform Selection You’re choosing between three AI platforms for your product, or deciding whether to use Shopify, Supabase, or build custom infrastructure. A tech advisor evaluates options against your specific constraints and recommends the best fit.
Hiring Consultation You’re building a new team (data engineering, ML, security) and need help defining roles, interview questions, and hiring criteria. A tech advisor might spend 5–10 hours setting up your hiring process.
One-Off Technical Decisions Should we migrate to Kubernetes? Is this vendor lock-in acceptable? Do we have the right observability setup? A tech advisor answers these questions with pattern-matched experience and moves on.
Typical Scope and Time Commitment
Tech advisor engagements are typically 2–10 hours per week over 2–8 weeks. Some advisors work on a pure hourly basis ($200–$400 per hour), while others charge a project fee ($5,000–$20,000 for a defined scope).
A typical tech advisor engagement might look like:
- Week 1: Kickoff call, context gathering, initial assessment (3 hours)
- Week 2–3: Deep dive—code reviews, infrastructure audit, team interviews (6–8 hours)
- Week 4: Analysis, recommendations, written report (4–5 hours)
- Week 5: Presentation to leadership, Q&A, next steps (2 hours)
Then it’s done. The tech advisor isn’t part of your ongoing leadership team.
Pricing and Cost Structure
Tech advisors typically charge one of three ways:
- Hourly rate: $200–$400 per hour depending on experience and specialisation
- Project fee: $5,000–$20,000 for a defined scope (e.g., “evaluate our data platform options” or “assess this acquisition target’s technology”)
- Equity stake: Some advisors take a small equity position (0.1–0.5%) and charge reduced or no fees
For a 40-hour engagement at $250 per hour, you’re looking at $10,000. For a project fee, you might pay $8,000–$15,000 for a comprehensive technical due diligence.
Where Tech Advisors Add the Most Value
- One-off decisions: You need expert input on a specific problem but don’t need ongoing leadership
- Technical due diligence: You’re evaluating an acquisition, investment, or partnership
- Hiring for specialised roles: You’re building a data engineering or ML team and need help defining the role and interviewing
- Vendor or platform selection: You’re evaluating complex technical choices (AI platforms, data infrastructure, etc.)
- Architecture reviews: You want an independent assessment of your current architecture and technical debt
- Time-limited projects: You’re building a specific capability (e.g., implementing SOC 2 compliance) and need expert guidance for 4–8 weeks
The Head of Engineering Role
What a Head of Engineering Actually Does
A head of engineering (or VP of Engineering, depending on your company size) is a full-time, permanent executive who owns the entire engineering function. They hire, manage, and develop engineering teams. They set technical standards, define processes, and ensure engineering delivers on product roadmap. They report to the CEO and sit on the leadership team.
In practice, this means:
Team Building and Management A head of engineering hires engineers, builds team structure, sets compensation, and develops talent. They conduct 1-on-1s, manage performance, and create a culture where engineers can do their best work. This is a people-focused role, not primarily technical.
Technical Leadership They set architectural standards, review designs, and ensure technical decisions align with company strategy. But they’re not writing the majority of code—they’re guiding the team’s technical direction.
Process and Execution They define how the engineering team works—sprint cycles, code review standards, deployment processes, on-call rotations. They remove blockers and ensure the team can ship consistently.
Roadmap Alignment They work with product and design to understand requirements, estimate effort, and commit to delivery timelines. They communicate engineering constraints and trade-offs to the broader leadership team.
Hiring and Retention They’re responsible for recruiting, onboarding, and retaining talent. In a competitive market, this is a significant portion of their time.
Typical Scope and Time Commitment
A head of engineering works 40+ hours per week, every week. They’re full-time and embedded in your company. They’re at the office (or on calls) most days, attending meetings, pairing with engineers, and managing the team.
A typical week might include:
- 10 hours: 1-on-1s with direct reports
- 8 hours: Engineering team meetings (standups, sprint planning, retros, architecture reviews)
- 8 hours: Leadership team meetings (product planning, roadmap, hiring, strategy)
- 10 hours: Hiring—interviews, offer negotiations, candidate sourcing
- 4 hours: Technical work—code review, architecture design, unblocking engineers
This is a high-touch, always-on role. You’re managing people, not just making decisions.
Compensation and Cost Structure
A head of engineering in Australia typically costs $150,000–$250,000 per year in salary, plus superannuation (11.5%), plus benefits (health insurance, etc.). For a Series-A or Series-B startup, you’ll also offer equity—typically 0.5–1.5% depending on stage and market.
Total cost of employment is usually 120–130% of salary (accounting for tax, super, benefits, and on-costs). So a $180,000 salary head of engineering costs you roughly $216,000–$234,000 per year, or about $18,000–$19,500 per month.
Equity is typically on a 4-year vest with a 1-year cliff, so the real cost of equity is amortised over time. But for budgeting purposes, assume you’re spending $18,000–$25,000 per month on a head of engineering.
Where a Head of Engineering Adds the Most Value
- Series B and beyond: You have enough revenue and team size to justify a full-time engineering leader
- Scaling teams: You’re growing from 5 engineers to 20+, and you need dedicated management
- Long-term capability building: You’re investing in engineering culture, process, and talent development
- Product-led companies: Your competitive advantage depends on engineering excellence, and you need a leader focused on that
- Regulated industries: You’re in fintech, healthcare, or other regulated spaces, and you need a leader who can embed compliance and security into engineering culture
- Retention and culture: You’re in a competitive talent market and need someone focused on hiring and keeping great engineers
Scope, Pricing, and Engagement Patterns
Side-by-Side Comparison
| Dimension | Fractional CTO | Tech Advisor | Head of Engineering |
|---|---|---|---|
| Time Commitment | 10–25 hrs/week, ongoing | 2–10 hrs/week, 2–8 weeks | 40+ hrs/week, full-time |
| Monthly Cost | $15,000–$30,000 | $2,000–$5,000 (or $5k–$20k project fee) | $18,000–$25,000 |
| Accountability | Technology strategy, hiring, vendor decisions, board readiness | Specific problem or decision | Entire engineering function, team, delivery |
| Decision Authority | High—owns tech roadmap | Medium—advises, doesn’t implement | High—owns engineering execution |
| Team Management | Indirect—guides hiring, doesn’t manage day-to-day | No | Direct—manages all engineers |
| Equity | Rare (0–0.25%) | Sometimes (0.05–0.2%) | Standard (0.5–1.5%) |
| Duration | 6–24 months | 2–8 weeks | 2+ years |
| Best for | Seed–Series B, non-technical founders, platform transitions | One-off decisions, due diligence, hiring setup | Series B+, scaling teams, long-term capability |
Real-World Pricing Examples
Fractional CTO for a Seed-Stage Fintech Startup
- Engagement: 15 hours/week, 6-month minimum
- Cost: $20,000/month
- Scope: Design SOC 2-ready architecture, hire first 3 engineers, set up vendor selection process, prepare for Series A due diligence
- Total cost: $120,000 over 6 months
- ROI: Avoided hiring a full-time CTO at $200k+/year; shipped SOC 2-ready product; raised Series A on back of credible tech story
Tech Advisor for Platform Evaluation
- Engagement: 8 hours/week, 4 weeks
- Cost: $12,000 project fee
- Scope: Evaluate three data platform options (Fivetran vs. custom pipeline vs. Stitch); recommend best fit; help design RFP
- Total cost: $12,000
- ROI: Avoided 2–3 months of internal evaluation; selected platform that saved $50k/year in infrastructure costs
Head of Engineering for Series-B SaaS Company
- Engagement: Full-time, ongoing
- Cost: $200,000 salary + $30,000 super + $20,000 benefits = $250,000/year = ~$20,800/month
- Scope: Build engineering team from 5 to 15 engineers; establish engineering process; deliver product roadmap; improve deployment frequency from monthly to weekly
- Total cost: $250,000/year
- ROI: Scaled engineering velocity 3x; improved deployment frequency; built retention culture; prepared company for Series C
When to Hire Each Role
Hire a Fractional CTO If:
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You’re a non-technical founder raising capital: You need someone who can credibly tell your technology story to investors. A fractional CTO translates your product vision into architecture and hiring plans that investors believe.
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You’re at seed to Series A with a small engineering team: You need technical leadership but can’t justify (or afford) a full-time CTO. A fractional CTO provides strategic direction without the fixed cost.
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You’re planning a major technical transition: Moving from monolith to microservices, adopting agentic AI, or rebuilding your data platform. A fractional CTO designs the transition and manages the team through it.
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You’re pursuing compliance or security certification: You need someone who understands how to build compliance into architecture from the start. A fractional CTO embeds this into your engineering culture rather than treating it as an afterthought. If you’re working toward SOC 2 or ISO 27001 compliance, a fractional CTO can guide the implementation and ensure your team understands what audit-readiness actually means.
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You’re a PE-backed company running a modernisation project: You need interim technical leadership while you hire a permanent CTO, or you need someone to augment your existing leadership on a specific initiative like platform consolidation or AI transformation.
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You have a strong CEO but weak technical depth in the leadership team: Your CEO can drive go-to-market and fundraising, but you need someone to own technology decisions and hiring.
Hire a Tech Advisor If:
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You need expert input on a specific decision: Should we use Kubernetes? Is this vendor lock-in acceptable? Do we have the right data architecture? A tech advisor answers these questions quickly without joining your team.
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You’re evaluating an acquisition or investment: You need an independent technical assessment of the target’s technology, architecture, and engineering capability. A tech advisor does the due diligence.
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You’re hiring for a specialised role: You’re building a data engineering, ML, or security team and need help defining the role, writing job descriptions, and interviewing candidates.
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You have a time-bounded project: You’re implementing a specific capability (e.g., setting up your observability stack, designing your AI strategy, or implementing SOC 2 compliance) and need expert guidance for 4–8 weeks.
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You already have a CTO or head of engineering but need a second opinion: You want an independent technical assessment of your architecture, hiring strategy, or technology roadmap.
Hire a Head of Engineering If:
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You’re at Series B or beyond with 5+ engineers: You have enough team size and complexity to justify a full-time engineering leader. You need someone focused on hiring, management, and process.
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You’re in a competitive talent market: You need someone dedicated to recruiting, onboarding, and retaining engineers. A head of engineering is your primary talent acquisition and retention lever.
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Engineering excellence is your competitive advantage: Your product depends on engineering quality, performance, or reliability. You need a leader focused on technical excellence.
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You’re in a regulated industry and need to scale: You’re in fintech, healthcare, or other regulated spaces, and you need a leader who can embed compliance and security into engineering culture as you grow.
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You have a CTO or co-founder who’s stretched too thin: Your CTO is trying to do strategy, hiring, and hands-on technical work and burning out. You need a head of engineering to handle day-to-day team management.
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You’re planning to raise Series C or go public: Investors and acquirers expect a strong head of engineering with a clear hiring and capability roadmap. You need someone building that narrative.
Making the Right Choice for Your Stage
Seed Stage (Pre-Product or Early Traction)
What you need: Technical credibility and a hiring roadmap. You’re probably non-technical or have one technical co-founder who’s writing code. You need someone to help you think about architecture, hiring, and technology decisions without being a full-time employee.
Best fit: Fractional CTO (10–15 hours/week) or a technical co-founder/advisor who’s deeply invested in your success.
Why: A fractional CTO is flexible and affordable. You pay for what you need (15 hours/week) rather than a full-time salary. They help you hire your first engineers and set architectural patterns. A tech advisor is overkill at this stage—you don’t have enough team complexity to justify a one-off engagement.
Cost: $15,000–$20,000/month for a fractional CTO
Example: A non-technical founder raising seed capital for a B2B SaaS startup. They hire a fractional CTO for 15 hours/week at $18,000/month. The CTO helps them design a scalable architecture, hire their first two engineers, and prepare a credible technology narrative for seed investors. After 6 months, they’ve raised seed funding and have a small engineering team. They keep the fractional CTO for another 6 months while they scale to Series A.
Series A (Product-Market Fit, Early Scaling)
What you need: Technical leadership that scales with your growing team. You probably have 3–8 engineers now. You need someone who can hire the next wave of engineers, set technical standards, and ensure your architecture scales.
Best fit: Fractional CTO (15–20 hours/week) or a junior head of engineering.
Why: A fractional CTO provides strategic leadership and hiring support without the fixed cost of a full-time head of engineering. If you’re growing fast and have strong product-market fit, you might hire a junior head of engineering (someone with 5–7 years of experience) at a lower cost than a senior head of engineering.
Cost: $18,000–$25,000/month for a fractional CTO, or $150,000–$180,000/year for a junior head of engineering
Example: A Series-A SaaS company with a strong CEO and 5 engineers. They hire a fractional CTO for 18 hours/week at $22,000/month. The CTO helps them hire 5 more engineers, establish engineering process, and prepare for Series B due diligence. After 12 months, they’ve scaled to 10 engineers and are raising Series B. They transition from fractional CTO to a full-time head of engineering.
Series B (Scaling, Building Capability)
What you need: Full-time engineering leadership. You have 10–30 engineers now. You need someone who can build teams, establish process, and ensure engineering delivers on product roadmap consistently.
Best fit: Head of engineering (full-time, full-time salary) or fractional CTO + junior engineering manager.
Why: At Series B, you have enough team complexity and budget to justify a full-time head of engineering. They can focus on hiring, management, and building engineering culture. A fractional CTO alone isn’t enough—you need someone managing day-to-day team dynamics.
Cost: $180,000–$220,000/year for a head of engineering
Example: A Series-B fintech startup with 15 engineers. They hire a head of engineering at $200,000/year. The head of engineering hires 5 more engineers, establishes code review and deployment processes, and builds a retention-focused culture. They also work with the CEO to prepare for Series C due diligence and hiring planning.
Series C and Beyond (Mature, Scaling Across Functions)
What you need: Senior engineering leadership. You might have 30+ engineers. You need a head of engineering who can build teams, manage multiple engineering managers, and align engineering with company strategy.
Best fit: Senior head of engineering (or VP of Engineering) + potentially a technical advisor for specific initiatives.
Why: You have the budget and team size to justify a senior head of engineering. You might also bring in a technical advisor for specific initiatives (e.g., evaluating an acquisition, designing a major platform transition, or assessing AI readiness).
Cost: $220,000–$280,000/year for a senior head of engineering, plus $10,000–$20,000 for occasional technical advisors
Example: A Series-C SaaS company with 40 engineers across product, infrastructure, and data teams. They have a VP of Engineering at $250,000/year who manages three engineering managers. They also bring in a technical advisor for 4 weeks to evaluate an acquisition target’s technology and engineering capability.
Common Mistakes and How to Avoid Them
Mistake 1: Hiring a Fractional CTO When You Need a Head of Engineering
The problem: You have 15 engineers and hire a fractional CTO for 15 hours/week thinking it’ll save money. But your engineers need day-to-day management, code review, and mentoring. The fractional CTO is too part-time to provide that. Your engineers feel neglected, and you start losing people.
How to avoid it: Be honest about your team size and complexity. If you have more than 8–10 engineers, you need a full-time head of engineering. A fractional CTO works best for early-stage companies with small teams or for specific initiatives (like platform transitions) where you don’t need ongoing day-to-day management.
Mistake 2: Hiring a Tech Advisor When You Need Strategic Leadership
The problem: You hire a tech advisor for 4 weeks to “assess your architecture.” They produce a report with recommendations. You read the report, nod, and then… nothing changes. You needed someone to own the implementation and guide your team through the transition. A tech advisor can’t do that.
How to avoid it: Tech advisors are great for one-off decisions and due diligence. They’re not great for strategic initiatives that require ongoing leadership and implementation. If you need someone to design and implement a major transition (like moving to microservices or adopting agentic AI), hire a fractional CTO or head of engineering.
Mistake 3: Not Being Clear About Scope and Accountability
The problem: You hire a fractional CTO but don’t define what they own. They think they’re advising on strategy. You think they’re managing hiring. Six months later, you haven’t hired anyone, and your technical roadmap is fuzzy. Both of you are frustrated.
How to avoid it: Define scope clearly in writing. Use a decision matrix (like the Atlassian Team Playbook framework) to clarify who owns what. For a fractional CTO, spell out: “You own technology strategy, hiring decisions, and vendor selection. You advise on product roadmap but don’t own it. You don’t manage day-to-day engineering work.” Be specific.
Mistake 4: Underestimating the Cost of a Full-Time Head of Engineering
The problem: You budget $180,000 for a head of engineering’s salary. You forget about superannuation, benefits, equipment, training, and on-costs. Your actual cost is $230,000–$250,000 per year. You’re surprised when the bill comes.
How to avoid it: Budget 130% of salary for a full-time employee. So if you’re hiring at $180,000, budget $234,000 for total cost of employment. This accounts for super, benefits, equipment, and on-costs.
Mistake 5: Hiring Too Early or Too Late
The problem: You hire a head of engineering when you only have 3 engineers. They’re bored and leave after 6 months. Or you wait until you have 25 engineers to hire a head of engineering, and by then your team is chaotic and people are leaving.
How to avoid it: Match the role to your team size. Fractional CTO for seed–Series A (3–8 engineers). Head of engineering for Series B+ (10+ engineers). If you’re in between, consider a fractional CTO + a senior engineer acting as tech lead, or a junior head of engineering at a lower salary.
Mistake 6: Not Checking References and Experience in Your Industry
The problem: You hire a fractional CTO who has deep experience in B2C mobile apps. You’re building a B2B data platform for financial services. They make architecture decisions that don’t fit your regulatory environment or data requirements.
How to avoid it: Check references deeply. Ask about their experience in your industry or similar domains. For regulated industries (fintech, healthcare, biotech), ask specifically about compliance experience. For platform engineering work in Sydney or other cities, ask about multi-tenant SaaS, data infrastructure, and observability experience.
Mistake 7: Not Giving Your CTO or Head of Engineering Enough Authority
The problem: You hire a fractional CTO but override their hiring decisions, second-guess their architecture choices, and don’t give them authority to make vendor decisions. They’re frustrated and underutilised.
How to avoid it: Define authority clearly. Your CTO owns hiring decisions for engineering roles. They own technology strategy and architecture. You (the CEO) own go-to-market, fundraising, and product direction. Trust them to make decisions in their domain. You can disagree, but you should do it explicitly, not by undermining them.
Next Steps
Choosing between a fractional CTO, tech advisor, and head of engineering is a critical decision. Here’s how to move forward:
Step 1: Assess Your Current State
Answer these questions honestly:
- How many engineers do you have?
- What’s your monthly burn rate?
- Are you technical or non-technical?
- What’s your biggest technical challenge right now? (hiring, architecture, compliance, scaling, hiring)
- How much runway do you have?
- Are you raising capital in the next 6 months?
Step 2: Define Your Needs
Based on your answers, identify what you actually need:
- Do you need ongoing strategic leadership (fractional CTO or head of engineering)?
- Do you need expert input on a specific problem (tech advisor)?
- Do you need both (e.g., a fractional CTO for strategy + a tech advisor for due diligence)?
Step 3: Evaluate Candidates
If you’re hiring a fractional CTO, look for:
- 10+ years of relevant experience
- Experience in your industry or similar domains
- Track record of building teams and shipping products
- References from founders and CEOs they’ve worked with
- Clear communication skills (they need to translate technical concepts for non-technical stakeholders)
If you’re hiring a tech advisor, look for:
- Deep expertise in the specific area you need help with
- Track record of solving similar problems
- Clear communication and ability to produce actionable recommendations
- Availability for your timeline
If you’re hiring a head of engineering, look for:
- 5–10+ years of engineering leadership experience
- Track record of building and scaling teams
- Experience in your industry or similar domains
- Cultural fit with your company and leadership team
- Clear vision for engineering excellence
Step 4: Define Scope and Accountability
Before you hire, write down:
- What decisions do they own?
- What do they advise on?
- How many hours per week will they work?
- What’s the expected duration of the engagement?
- How will success be measured?
- What’s the compensation?
Use a decision matrix to clarify roles and avoid confusion.
Step 5: Start with a Trial Period
If you’re hiring a fractional CTO or tech advisor, start with a 1–3 month trial period. This gives you both time to assess fit and clarify expectations. If it’s working well, you can extend. If not, you can part ways without a long-term commitment.
Step 6: Integrate Them Into Your Team
Once you’ve hired, make sure they’re integrated:
- Introduce them to your team and key stakeholders
- Set up regular cadences (weekly 1-on-1 with CEO, weekly engineering team meetings, etc.)
- Give them access to your tools, codebase, and documentation
- Communicate their role and authority clearly to your team
- Check in regularly on how the engagement is going
Step 7: Consider Complementary Support
You don’t have to choose just one role. Many successful companies use a combination:
- Fractional CTO + tech advisor: The CTO owns strategy and hiring. The advisor provides expert input on specific decisions (e.g., platform selection, due diligence).
- Fractional CTO + head of engineering: The CTO owns strategy and hiring. The head of engineering manages day-to-day team.
- Head of engineering + tech advisor: The head of engineering owns the team. The advisor provides expert input on specific initiatives (e.g., AI strategy, platform transition).
The right combination depends on your stage, team size, and immediate priorities.
Final Thoughts
There’s no one-size-fits-all answer. The right choice depends on your stage, team size, budget, and immediate priorities. But the framework is clear:
- Fractional CTO: Strategic leadership and hiring for seed–Series B companies with small teams or specific initiatives
- Tech Advisor: Expert input on one-off decisions, due diligence, and time-bounded projects
- Head of Engineering: Full-time leadership for Series B+ companies with 10+ engineers
Get the right person in the right role at the right time, and you’ll accelerate your product velocity, build credible technical narratives, and create a team that can scale. Get it wrong, and you’ll waste money and months on misaligned expectations.
If you’re a founder or operator in Sydney, Australia, or elsewhere, and you’re evaluating fractional CTO support, PADISO’s fractional CTO offering is built for exactly this—founders and CEOs who need technical leadership without the full-time cost. We’ve worked with seed-stage founders, Series-A and Series-B companies, and PE-backed firms running modernisation projects. We understand the specific challenges of Australian startups and international companies scaling through Sydney.
If you’re considering a tech advisor for a specific initiative—platform evaluation, AI readiness, security audit readiness, or technical due diligence—PADISO’s services include expert advisory on these exact problems. We’ve helped companies across fintech, SaaS, and deep tech make critical technology decisions.
If you’re building a larger engineering team and need platform engineering expertise—whether it’s platform development in Sydney or elsewhere—we partner with companies to design and build scalable, audit-ready platforms.
The key is to start with clarity on what you actually need, then find the right partner to deliver it. Your technical leadership decision will shape your entire product and company trajectory.
References and Further Reading
For more on technology leadership and executive decision-making, explore these resources:
- McKinsey’s research on CEO leadership in digital transformation provides high-level guidance on how executives should approach technology decisions
- Harvard Business Review’s technology section offers regular articles on technology leadership, operating models, and executive decision-making
- Forbes Technology Council publishes perspectives from technology leaders on hiring, strategy, and executive roles
- Gartner’s research on technology leadership and organisational structure is authoritative for enterprise and scaling companies
- PwC’s technology insights cover technology strategy, leadership, and digital operating models
- Deloitte Insights on technology provides research on technology leadership and digital transformation
- Accenture’s technology insights cover technology strategy and operating models for scaling companies