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Software Engineer (Front-end)

SedexLondon, United Kingdom
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We’re looking for a mid-level software engineer to join a cross-functional product team. You’ll work mainly on our React front-end, with occasional contributions to our Kotlin backend, supported by your team. You’ll collaborate closely with product managers and designers to understand customer needs and deliver high-quality, maintainable software. You’ll write modern TypeScript, build accessible and engaging user interfaces, and contribute to Sedex’s front-end practice. The team owns the full lifecycle of its software, including operability, performance, and safe, frequent production releases.

Key Responsibilities

During your first 3 months, you will:

  • Learn the domain, systems, and architecture relevant to your team
  • Understand the production environment, CI/CD pipelines, and deployments
  • Start reviewing production metrics and operational data
  • Become productive and take ownership of team deliverables
  • Build strong relationships and embed into team processes

Ongoing responsibilities:

  • Design and deliver solutions using high-quality, test-driven code
  • Build reusable web and mobile UI components and libraries
  • Contribute to backend work when needed
  • Deliver work iteratively to support continuous delivery
  • Participate in code reviews, planning, retrospectives, and knowledge sharing
  • Support and mentor less experienced engineers
  • Identify and raise technical risk, tech debt, and non-functional requirements
  • Monitor and support your code in production
  • Contribute to the wider front-end community at Sedex
Skills and Experience
Essential:
  • 2–4+ years’ experience in a front-end JavaScript role using React or similar
  • Strong TypeScript knowledge
  • Experience building accessible UIs with design and UX teams
  • Experience with design systems, automated testing, and TDD
  • Familiarity with front-end testing tools and modern architectures
  • Experience with CI/CD, production monitoring, and Agile ways of working
  • Strong communication, collaboration (including pair-programming), and ownership mindset
  • Focus on customer value and continuous improvement
Desirable:
  • Backend-for-front-end experience
  • Exposure to Docker, Terraform, Kubernetes, or Bash
  • Experience with data visualisation or front-end monorepos

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FAQ

Is the Software Engineer (Front-end) position at Sedex remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Software Engineer (Front-end) job posted?
This listing was posted on January 9, 2026 and is still open for applications.
How do I apply for the Software Engineer (Front-end) position at Sedex?
Use the apply button on this page — it takes you directly to the employer’s application page.

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