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Chief Technology Officer
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Chief Technology Officer (CTO)
London (Soho) | Hybrid (3 days per week) | Up to £170,000 + Package & Equity
Are you a technology leader who thrives on building rather than inheriting?
We're partnering with one of the UK's most exciting high-growth SaaS businesses in the health and fitness technology space to appoint their first-ever Chief Technology Officer. This is a genuine opportunity to join an established, profitable software company at a pivotal point in its journey and shape the technology strategy from the executive table.
The platform is already trusted by thousands of customers globally and has achieved approximately £2m ARR. With ambitious plans to scale way beyond that over the next three to five years, the business is now investing heavily in technology, engineering, and product to support its next phase of growth.
This isn't a traditional CTO role where you inherit a mature engineering organization. You'll lead one of the most exciting transformation projects in the UK SaaS market: building an exceptional in-house engineering function while transitioning away from a long-standing outsourced development partner. You'll have complete ownership of the technology strategy, engineering culture, and platform evolution, helping transform an already successful product into a world-class technology business.
This role will suit someone who enjoys creating structure from ambiguity, building high-performing teams, and making strategic technology decisions that directly influence business growth.
What You'll Be Doing
As a member of the executive leadership team, you'll work closely with the CEO, COO, and Chief Product Officer to define the company's technical future.
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Key responsibilities include:
- Defining and delivering the long-term technology vision and roadmap.
- Building and scaling a high-performing in-house engineering organization.
- Leading the transition from an outsourced development model.
- Modernising the existing SaaS platform and engineering practices.
- Establishing an exceptional engineering culture focused on ownership, quality, and continuous improvement.
- Driving architecture, scalability, reliability, and security across the platform.
- Partnering with Product to ensure technology investment delivers commercial value.
- Developing engineering leaders and creating a team built for long-term success.
- Championing AI and data-driven engineering practices to improve productivity and product innovation.
About You
We're looking for an experienced technology executive who has successfully led engineering teams through periods of significant growth and transformation.
You'll likely bring:
- Previous CTO, VP Engineering, or senior technology leadership experience within a startup or scale-up environment.
- A proven track record of building engineering teams and creating strong technical cultures.
- Experience transitioning development from outsourced partners to internal teams.
- Strong architectural judgement across modern SaaS platforms and cloud technologies.
- Experience leading web and mobile engineering teams.
- A commercial mindset with the ability to balance technical excellence against business priorities.
- The confidence to operate at board level while remaining close enough to technology to challenge decisions and mentor engineering teams.
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Experience with Ruby on Rails is advantageous but not essential. Leadership capability, strategic thinking, and scaling experience are far more important than hands-on coding expertise.
The Technology
The current platform includes:
- Ruby on Rails
- PostgreSQL
- SQL
- Redis
- AWS
- Vue.js
- Native iOS (Swift)
- Native Android (Kotlin)
- Stripe
- GitLab CI
- Datadog
- Sentry
The successful candidate will play a key role in modernising the technology stack while ensuring the business continues to deliver at pace.
What's On Offer
- Salary ideally up to £150,000 per annum but for the right person would be flexible
- Performance bonus
- Significant equity/share options
- Company pension
- 30 days annual leave plus bank holidays
- Hybrid working (3 days per week in Soho, London)
- A genuine opportunity to shape the future of a global SaaS business
- Executive leadership position with significant autonomy and influence
Why This Role?
Opportunities like this are rare. This isn't simply about maintaining technology—it's about creating it. You'll join a business with proven product-market fit, ambitious growth plans, and the backing to invest in building an exceptional engineering function.
If you've been looking for a role where you can leave a lasting legacy, build a team from the ground up, and help shape the future of a high-growth SaaS business, we'd love to hear from you.
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