Full-Stack Software Engineer

You'll join a small engineering team and own features from ticket to production: data model, API, screens, tests andanalytics.Most of what we build touches people's money, so getting it right matters more than getting it out fast. We wantsomeone who reads a task closely, asks when it's unclear, and writes the tests that prove the correctimplementation.We use AI coding assistants every day. A big part of the job is critically reviewing, testing and correcting code anassistant wrote, so your judgement counts as much as your speed.

Please ​attach your portfolio or GitHub along with your CV in the application form.

• Extend the marketing website. Build and improve pages on our public website, making sure they are fast, responsive, accessible and optimised for search, in close collaboration with marketing and design.
• Build product pages end to end. Own features from concept to release, translating designs and requirements into polished front-end experiences backed by reliable server-side logic.
• Extend the forecast engine. Enhance the logic and calculations behind our forecasting tools, improving accuracy, performance and scalability as the product grows.
• Design APIs and data models. Create well-structured, secure and well-documented APIs and database schemas that support current features and scale cleanly for future ones.
• Extend the AI assistant. Add new capabilities to our AI-powered assistant, improving its usefulness, reliability and user experience while applying sound practices around data privacy and responsible use.
• Integrate third-party services. Connect and maintain integrations with external platforms (such as payments, analytics, CRM or data providers), ensuring they are secure, resilient and properly monitored.
• Maintain a healthy codebase. Write clean, tested and maintainable code; take part in code reviews; manage technical debt; and

• 2–3 years building and shipping web applications professionally, on both backend and frontend.
• Great communication skills.
• Strong Python, and experience with Django or another backend framework such as FastAPI, Flask or Rails.Strong TypeScript and React. Next.js is a plus.
• Working SQL: you can design a schema, write the query, and spot an N+1.
• Having experience working with anORM is a plus.
• You write automated tests as part of the work, not after it.
• You've built at least one feature that calls an LLM API, including tool calls or structured output and what happenswhen the model gets it wrong.
• You use AI coding assistants (Claude Code, Cursor, Copilot or similar) and review their output critically.

Wealth Circle is a financial planning platform for UK households and the financial advisers who serve them, backedby Apollo Private Wealth. Millions of people can't get good financial advice. We give households one place for theirincome, savings, pensions, property and goals, and turn that into a live plan: when they can retire, whether theirmoney is invested well, and what would help. When they needs a financial advice, we match them with an adviser.The beta product is already live.