Senior/Lead Engineer (React & TypeScript) at Onroute


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Onroute is Hiring

Job Info:
  • Company Onroute
  • Position Senior/Lead Engineer (React & TypeScript)
  • Location London, England, United Kingdom, United Kingdom
  • Source Workable
  • Published July 15, 2025
  • Category Development
  • Type Full-Time
  • Experience Senior


Job Description

We are seeking a highly skilled Senior/Lead Engineer with deep expertise in React (Next.js), React Native, and TypeScript to join our team full-time. In this role, you will take ownership of our cross-platform mobile application and broader technology ecosystem, driving both new feature development and ongoing maintenance. This is an excellent opportunity for someone eager to step into a future leadership position, shape technical direction, and make a significant impact in a fast-paced environment.

Responsibilities

  • Lead the design, development, and maintenance of our React Native and React applications.
  • Drive the implementation of new features and improvements across the stack.
  • Collaborate with backend and product teams to deliver seamless, high-quality user experiences.
  • Ensure performance, scalability, and reliability across iOS and Android platforms.
  • Oversee API integrations and backend service interactions, including those built with Node.js (NestJS).
  • Identify and resolve architectural and performance challenges.
  • Champion best practices in code quality, testing, and maintainability.
  • Mentor and provide technical leadership to other engineers.
  • Contribute to the evolution of our development processes and tooling.

Requirements

  • Extensive experience with React (Next.js), React Native, and TypeScript.
  • Proven ability to build and deliver high-quality, cross-platform applications.
  • Strong experience working with backend APIs, including those built with Node.js (NestJS).
  • Strong understanding of modern development workflows, including Git and CI/CD pipelines.
  • Ability to work independently, proactively, and within tight deadlines.
  • Excellent problem-solving skills and attention to detail.
  • Demonstrated leadership skills and a desire to take on a lead role.

Nice to Have

  • Experience with PHP (especially Laravel or similar frameworks).
  • Exposure to DevOps practices and tools (e.g., Terraform, Docker, Kubernetes).
  • Experience working with monorepos.
  • Track record of launching apps to production.
  • Previous experience in smaller, fast-paced business environments.