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Full Stack Engineer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-10-12
Listing for:
Y TREE
Full Time, Part Time
position Listed on 2026-10-12
Job specializations:
-
Software Development
Full Stack Developer, Backend Developer
Job Description & How to Apply Below
About Y TREE
We are a rapidly growing Wealth Tech business re-defining how individuals and families connect and engage with their money. By harnessing sophisticated portfolio analytics, innovative behavioral psychology, and cutting-edge UX/UI, we create transformational financial outcomes for our users.
Team Overview &The Role
We are looking for a passionate Engineer to join our cross-functional squad in London. While the role has a strong front-end focus, we are an AI-first engineering organization. The ideal candidate uses agentic AI tools as a force multiplier and is comfortable flexing to tackle backend tasks (Kotlin/Spring) when squad priorities shift.
Core Responsibilities- Feature Development: Build, test, and optimize highly scalable, user-oriented features for our client-facing web application.
- Full Stack Adaptability: Take ownership of domain software, contributing to our event-driven microservices platform when backend support is needed.
- AI Engineering: Leverage agentic coding tools (e.g., Claude Code) across the full development lifecycle, reviewing and hardening AI-generated outputs to maintain rigorous quality standards.
- Agile Delivery: Collaborate in a two-week delivery window to plan, develop, and release secure, cost-efficient features.
- Experience: 3+ years of experience as a front-end engineer utilizing JavaScript/Type Script and the React library.
- AI-Assisted Workflow: Daily practical experience with AI-assisted or agentic development tools, with the engineering judgment needed to audit and refine AI outputs.
- Modern Engineering Practices: Familiarity with TDD principles, clean architecture concepts, and consuming APIs (e.g., GraphQL).
- Mindset: An independent, critical thinker who thrives in collaborative, small-team environments and values continuous feedback.
- Backend development experience in Java or Kotlin (ideally Spring Boot).
- Understanding of microservices, database concepts (RDBMS/PostgreSQL), and event-driven architectures (Kafka).
- Familiarity with containerization (Docker) or cloud deployments (AWS/Kubernetes).
- Hybrid Model: London-based with a hybrid policy requiring 2 days per week in our London office.
- Health & Wellbeing: Private healthcare through Vitality (including 50% off premium gym memberships) and an Employee Assistance Programme.
- True Time Off: 25 days of annual leave where we expect you to fully unplug—no booking leave required for quick life appointments.
- Financial Future: 3% standard employer pension contribution, with enhanced company matches available via salary sacrifice.
- Environment: A welcoming, dog-friendly office with break-out spaces and silent booths, alongside regular, well-balanced team socials.
- Extra Perks: Electric car schemes, family-friendly policies, and support towards professional qualifications.
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