IT & Software

Technical Lead Ruby TypeScript - Developer Experience

Client Server

London · Greater London · United Kingdom

Overview

As Technical Lead you shape the technical strategy and architecture for Developer Ecosystems, guiding API/SDK design for scalability. You’ll lead cross-team initiatives to expand client libraries and oversee the full lifecycle from design to release. You mentor engineers, review contributions, and foster open-source collaboration while interfacing with the developer community. This role blends hands-on coding with leadership, within a product‑driven, B2B SaaS environment focused on real-time messaging scale.

Pay / Benefits
  • Salary up to 130k
  • EMI share option scheme
  • 28 days annual leave
  • Enhanced maternity and parental leave
  • Personal learning and development budget
  • BUPA health insurance + dental + mental health
Responsibilities
  • Define and drive the technical strategy and architecture for Developer Ecosystems (iOS, Web, Infra/Automation)
  • Set API/SDK design guidelines for consistency, usability, and scalability
  • Lead cross-team initiatives to expand and improve client libraries
  • Oversee the full development lifecycle from design to release and ongoing product evolution
  • Mentor engineers, review contributions, and raise the technical bar
  • Guide external contributors and open-source collaboration; communicate with the developer community to feed product direction
Key requirements
  • Senior software engineer with experience building developer tooling and APIs
  • Hands-on experience with Ruby, TypeScript and React
  • Experience in a product-focused B2B SaaS environment
  • Proven ability to make technical decisions that drive projects
  • Comfort with AI tools such as Claude and Cursor
  • Customer- and product-focused mindset; collaborative and pragmatic; mentoring experience
  • Strong CS fundamentals (OOP, Data Structures, Design Patterns)
  • collaborative
  • pragmatic
  • mentoring
  • Ruby
  • TypeScript
  • React

Reference: WJ-747_30162085

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