Chief Technology Officer
Lead the transition from outsourced to in-house engineering, working with Ruby on Rails, PostgreSQL, Vue 2, Swift, Kotlin and AWS. As CTO of a personal trainer software platform with £2M ARR, you will define the technology roadmap, own architecture decisions and build the engineering team from the ground up.
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Chief Technology Officer
📍 Location: Soho, London (Hybrid – 3 days onsite)
💰 Salary: Up to £150,000 + performance bonus + equity
🕒 Type: Permanent
My client is a leading personal trainer software platform used by coaches, gyms and fitness brands worldwide. The platform enables trainers to create, sell and scale fitness, health and lifestyle programmes online.
With a proven product, circa £2M ARR and ambitious plans to scale to £10M+,they are now entering its next phase of growth and building the leadership team to support that journey.
What You'll Be Doing
Define and deliver their technology vision and roadmap towards £10M+ ARR
Lead the transition from outsourced development to a high-performing in-house engineering team
Build the engineering organisation, hiring strategy and leadership structure
Own architecture decisions, platform modernisation and technical direction
Improve scalability, reliability, security and engineering standards
Establish strong engineering processes around delivery, testing, CI/CD and observability
Build an excellent engineering culture focused on ownership and continuous improvement
Partner closely with product leadership to align technology decisions with business goals
Develop engineering leaders and create a scalable team structure
Champion the use of AI and data to improve engineering velocity and product outcomes
Communicate technical strategy, risks and investment needs to the wider leadership team
What They're Looking For
Proven CTO, VP Engineering or senior technology leadership experience within a startup or scale-up environment
Experience building engineering teams and bringing capability in-house
Strong architectural judgement across SaaS platforms, APIs, infrastructure and security
Ability to stay technically credible while leading through teams and managers
Experience managing hybrid teams including employees, outsourced partners and distributed teams
Experience delivering native mobile applications across iOS and Android
Track record of using AI to improve engineering, product delivery or operations
Strong commercial mindset with the ability to connect technology decisions to business outcomes
Experience partnering with product and commercial leaders at executive level
Clear communicator who can simplify complex technical decisions
Comfortable operating in fast-changing, ambiguous environments
Nice to Have
Experience with Ruby on Rails platforms
Experience with subscription or marketplace businesses
Experience working with payment platforms such as Stripe
Experience scaling consumer-facing SaaS products
Current Tech Landscape
Ruby on Rails API (Ruby 2.6 / Rails 5.2)
PostgreSQL, Redis, Sidekiq, AWS S3 and Stripe
Vue 2 frontend with TypeScript
Native iOS (Swift) and Android (Kotlin)
Infrastructure including Sentry, Datadog, Mixpanel, Intercom, Firebase and GitLab CI
Why Join?
Become their first CTO and shape the technical future of a global fitness platform
Executive leadership role with direct influence on company strategy
Build and lead a world-class engineering team from the ground up
Modernise a proven platform and define the next generation of the product
Meaningful equity stake aligned with company growth
Up to £150k base salary + performance bonus
Hybrid working from a Soho, London office
Company pension scheme
30 days holiday plus national holidays
Collaborative culture with regular socials and strong work-life balance