Senior Full-Stack Engineer

🔒 Confidential Employer
Posted 2 January 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
Β£130,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license β€” sponsorship for this specific role is at the employer’s discretion

SKILLS

Typescript React NextJS NodeJS Express PostgreSQL Frontend Web Development Backend Web Development

FULL DESCRIPTION

Senior Full-Stack Engineer – London x Hybrid – Permanent – High growth scale-up! πŸš€πŸš€πŸš€

Senior Full-Stack Engineer

[Employer hidden β€” view at passion-project.co.uk] is supporting a fast-scaling fintech, backed by top-tier investors, to hire a Senior Full-Stack Engineer. They are building innovative solutions in payments, open banking, and financial automation.

They’re looking for engineers who thrive in high-growth, product-focused environments. If you have experience working in a YC-backed or VC-backed engineering team (or a similarly high-growth scale-up), this role could be a great fit. A background in fintech, open banking, or payments would be highly advantageous.

Key Responsibilities

  • Take ownership across the full product lifecycle – from idea to build, launch, and iteration.
  • Design and build performant, user-friendly web interfaces.
  • Collaborate with cross-functional teams on high-impact projects.
  • Implement security and data protection best practices.
  • Identify opportunities to improve automation, processes, and engineering standards.
  • Communicate effectively with technical and non-technical stakeholders.

Tech Stack

Typescript, React, NextJS, NodeJS, Express, PostgreSQL.

Requirements

  • Experience in a YC-backed, VC-backed, or high-growth engineering team delivering customer-facing products.
  • Strong understanding of both frontend and backend web development.
  • Excellent communication skills across technical and business teams.
  • Comfortable working in fast-paced, early-stage environments with high levels of ownership and ambiguity.

If you feel you could be suitable please apply for immediate consideration. Interviews to happen over the next couple of weeks starting with a screening call.

Tagged as: Fintech

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