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Senior Full-Stack Engineer (Fintech) - Remote | $65,000 USD / year

Senior Full-Stack Engineer (Fintech) - Remote | $65,000 USD / year

SourceInLondon, England, United Kingdom
24 days ago
Job type
  • Full-time
Job description

About the job Senior Full-Stack Engineer (Fintech) - Remote | $65,000 USD / year

Senior Full-Stack Engineer (Fintech) Remote | $65,000 USD / year

Company : TheOneGate

Join us at TheOneGate , a fast-growing fintech startup revolutionising banking and payment integrations. We're building a secure, scalable, full-stack platform powering real-time financial services. We're hiring the core team to lead this transformation.

As a Senior Full-Stack Engineer , you'll play a key role in modernising our microservices architecture, improving performance, and building new banking features. This is a high-impact role where you'll shape technical decisions and mentor future team members.

Why Join Us?

  • Fully remote : Work from anywhere with a flexible schedule.
  • Modern tech stack : TypeScript, Vue.js, React, Node.js, Vite, Docker, CI / CD, and more.
  • Supportive culture : Collaborative, engineering-led environment with a strong focus on code quality and security.
  • Be a founding engineer : We're transitioning from third-party vendors to an in-house teamyoull be one of our first engineering hires.

Your Day-to-Day

  • Build full-stack features with Vue.js / React and Node.js
  • Migrate services to Node.js v22 and TypeScript
  • Refactor legacy code to use modern frameworks and tooling (Vite, esbuild)
  • Design and maintain shared component libraries
  • Enhance system performance, test coverage, and reliability
  • Collaborate with DevOps on CI / CD and containerisation
  • Mentor junior engineers and document best practices

    • You Bring

  • 58+ years in software development; 23 years in a senior / full-stack role
  • Strong experience with Vue.js and React
  • Deep JavaScript / TypeScript knowledge
  • Proficiency in CSS (Tailwind, Bootstrap)
  • Backend experience with Node.js and REST APIs
  • Familiarity with microservices, Docker, and CI / CD
  • Solid testing experience (Jest, Mocha, etc.)

    • Nice to have :

  • Fintech, payment systems or secure coding experience
  • Redis, WebSockets, or real-time system knowledge
  • Familiarity with monorepos, Swagger / OpenAPI, and compliance (PCI, GDPR)

    • Security-First Mindset

    Our platform handles sensitive financial datasecurity and compliance are central to everything we build.

    What You'll Work On

  • 15+ microservices (Node.js + NATS)
  • Admin dashboards, customer portals, API gateways with WebSocket support
  • Real-time reporting, fraud detection, secure wallet features, and more

    • Salary : $65,000 USD / year

    Location : Fully Remote

    Start Date : ASAP

    Apply now and help shape the future of fintech with us. Send your CV and any relevant projects or GitHub links. #J-18808-Ljbffr

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    Senior Fullstack Engineer • London, England, United Kingdom