Fresha
Senior Full Stack Engineer - London
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The AI-powered OS for beauty, wellness and self-care
Fresha is the operating system for the global beauty, wellness and self-care industry, connecting and powering everything from salons and barbers to spas, medspas, fitness studios and health practices.
Marketplace + SaaS platform + Fintech
Fresha is the leading AI operating system trusted by millions of consumers and businesses worldwide. Fresha is used by 130,000+ businesses and 450,000+ stylists and professionals worldwide, processing over 1 billion appointments to date. Empowering businesses with an all-in-one platform for bookings, point-of-sale, marketing, and more, while connecting consumers to local services.
Role Overview
Given our exciting and progressive growth plans, we are looking for an exceptional Full Stack Engineer to come join our global business.
Working with our apps team within a tribe, you will be accountable for designing and developing APIs that support our Marketplace Native Apps and coordinating feature/API development with the rest of the tribe & other tribes.
This is a great opportunity for someone looking to work in a fast-paced and changing environment, who likes to work autonomously, enjoys a challenge and wants to make an impact!
Your Impact as a Full Stack Engineer
At Fresha, we believe AI is a force multiplier for feature delivery, not just a coding assistant. We provide every engineer with top-tier tooling (Claude, GitHub Copilot, Cursor) to strip away technical toil—so you can focus your energy on shipping high-impact product features. We value engineers who know how to leverage these tools to drive momentum within our 6-week cycles, accelerating the journey from concept to code while maintaining the deep technical judgment to verify, secure, and own the final user experience.
To foster a collaborative environment that thrives on face-to-face interactions and teamwork, all Fresha employees work from the office four days per week, with the flexibility to work remotely on Wednesday each week. London office: The Bower, 207-211, Old St, Tower, London EC1V 9NR
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What you will be doing
- Collaborate closely with Product, Design, Frontend, Infrastructure, and Mobile engineers to take features from discovery to rollout and beyond.
- Own features from discovery through observability: technical design, implementation, testing, and rollout.
- Design, build, and maintain efficient, scalable, and reliable Ruby/Elixir code.
- Work with a polyglot stack (Ruby, Elixir, GraphQL, TypeScript, gRPC) and modern messaging systems (Kafka).
- Operate within a Kubernetes-driven environment as we continue moving to a microservice architecture.
- Embrace Domain-Driven Design to build high-quality, impactful products from inception to delivery.
This list is not exhaustive and there may be other activities you are required to deliver.
What we are looking for
- AI-Augmented Workflow: You have deep experience building and interacting with AI agents, using them to amplify your output to 5x that of manual coding. You are able to integrate agents into our workflow while strictly adhering to our architecture and security standards, taking full accountability for ensuring all generated code meets the quality expectations of a Senior Engineer.
- Experience building and maintaining globally distributed systems.
- Knowledge of event-driven architectures (Kafka).
- ~5+ years of experience in product engineering, developer tools, or infrastructure at scale.
- A pragmatic generalist who thrives on learning new frameworks and tackling complex challenges.
- Familiarity with languages such as Elixir, Ruby, or TypeScript is a plus.
At Fresha, we value passion and potential as much as specific skills. If you're enthusiastic and eager to learn, we encourage you to apply, even if you don't meet every listed requirement. We believe in fostering growth and providing the support you need to excel in your role.
Why Join Fresha?
- Real Impact: Directly influence our product and architecture in a rapidly growing global business.
- Cutting-Edge Tech: Work with modern technologies and contribute to a significant migration to microservices.
- Dynamic Culture: Be part of a team that encourages autonomy and innovation.
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Interview Process
- Screen call - Video call with a member from the Talent Team - 30 minutes
- 1st stage - Technical Video call/In-person interview with our Engineers - Up to 90 minutes
- Tech stage - Technical Video call/In-person interview with our Engineers - up to 2 hours
- Final stage - Video call/In person meet with the Head of Engineering - up to 60 minutes
We aim to complete the entire interview process and deliver feedback within 4 weeks.
Every job application received is reviewed manually by our talent team. While we strive to assess applications within 7 days, the sheer volume of talented individuals expressing interest may occasionally extend this timeframe
Inclusive workforce
At Fresha, we are creating a culture where individuals of all backgrounds feel comfortable.
We want all Fresha people to feel included and truly empowered to contribute fully to our vision and goals. Everyone who applies will receive fair consideration for employment.
We do not discriminate based on race, colour, religion, sex, sexual orientation, age, marital status, gender identity, national origin, disability, or any other applicable legally protected characteristics in the location in which the candidate is applying.
If you have any accessibility requirements that would make you more comfortable during the interview process and/or once you join, please let us know so that we can support you.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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