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.
- 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
- 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.)
- Fintech, payment systems or secure coding experience
- Redis, WebSockets, or real-time system knowledge
- Familiarity with monorepos, Swagger/OpenAPI, and compliance (PCI, GDPR)
- 15+ microservices (Node.js + NATS)
- Admin dashboards, customer portals, API gateways with WebSocket support
- Real-time reporting, fraud detection, secure wallet features, and more
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.
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