Backend Engineer

Position: Staff Backend Engineer )
Location:

Old Street, London — Onsite (4 days / week)
Fresha:
Shaping the Future of Beauty & Wellness Join Fresha, the leading marketplace platform transforming the beauty and wellness industry globally. With over 120,000 businesses and 450,000 stylists trusting our platform, we've powered over 1 billion appointments worldwide. Fresha empowers businesses with an all-in-one platform for bookings, point-of-sale, marketing, and more, while connecting consumers to local services.

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, Git Hub 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 in the office four days per week, with the flexibility to work remotely on Wednesdays. London office:
The Bower, 207-211, Old St, Tower, London EC1V 9NR
Your Impact as a Staff Backend Engineer Are you ready to make a significant impact in a fast-paced, autonomous environment? We're seeking an exceptional Staff Backend Engineer to join our cross-functional product team in Warsaw.

What You'll Do:

Technical
-this is a heavily technical role; hands-on coding skills are expected. It’s not a management role Leadership
-Own and deliver cross-team and cross tribal technical initiatives Architectural
-Take ownership of architecture for a tribe Guidance
-Sought out for technical guidance; anticipating technical issues at the product level and making architectural and design decisions to avoid them Improvements
-Create sweeping improvements in stability, performance and scalability across major business-critical systems Delivery
-Ensure timely delivery of your team’s projects, which will ultimately have a tangible impact on Fresha’s success

Lead-by-example
-Make sure your team follows our engineering practices by leading from the front Collaboration
-Work closely with diverse functions within the team across Product, Design, Data and QA and make sure that the team has clear goals and regularly delivers value to our users Learning
-Facilitate continuous learning and improvement for your team Standards
-Make sure that the systems your team owns meet Fresha quality, reliability and scalability standards Innovative
-You will be anticipating broad technical changes and ensuring Fresha is always ahead of the curve Strategic
-Recognising and making trade-offs concerning the whole system. You have a deep understanding of the entire architecture for a significant part of our business, and you’re able to articulate clearly the scaling and reliability limits of that area.

Multiplier
-Primarily acting as a multiplier by building systems, authoring tools or introducing policies or patterns that raise the level of productivity of the entire organisation Communication
-Communicating the awesomeness of Fresha in different Tech communities externally via talks and blog posts, identifying areas that we can share effectively with the outside world, guiding the creation of content and communication around those areas. Leading conversations internally about the direction of significant areas of technology, driving wide-team consensus on the adoption of this direction and using this direction to inspire engineers

This list is not exhaustive, and there may be other activities you are required to deliver.

What we are looking forAI-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 can integrate agents into our workflow while strictly adhering to our architecture and security standards, and take full accountability for ensuring that all generated code meets the quality expectations of a Senior Engineer.

Delivery
-You have consistently…