Lead Full Stack Engineer – React, Golang

Lead Full Stack Engineer – React, Golang

Posted Today by Hays

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Negotiable
Undetermined
Remote
London
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API Design Application Programming Interface (API) Cloud Computing Cloud Technology Containerisation Continuous Integration and Continuous Delivery Cross-Functional Collaboration Data Science Front End (Software Engineering) Full Stack Development Go (Programming Language) golang Machine Learning Management Microservices React.js TypeScript User Experience

Summary: The Lead Full Stack Engineer role involves overseeing the technical design and delivery of a TypeScript/React front end and Golang microservices for a consultancy's critical program. The position requires hands-on leadership in driving design reviews and enforcing engineering standards while collaborating with cross-functional teams. The role is primarily remote with an initial contract duration of four months.

Key Responsibilities:

  • Own end-to-end technical design and delivery across a TypeScript/React/Vite front end and Golang microservices within a multi-tenant SWaaS architecture.
  • Define front-end module boundaries, API contracts (REST/gRPC), and state management; establish idiomatic Golang service structure, concurrency, and error-handling patterns.
  • Act as hands-on Tech Lead, driving design reviews, PR approvals, and resolving technical blockers with the Senior FSE/Scrum Lead.
  • Set and enforce engineering standards across TypeScript, React architecture, Vite builds, and testing (Vitest/Testing Library), alongside strong Golang test coverage.
  • Design and manage CI/CD pipelines covering front-end optimisation, Golang builds, containerisation, and cloud deployment across key product workstreams.
  • Collaborate cross-functionally with Architecture, Data Science, Product, and UX to integrate ML models and deliver FCA-aligned, performant, and accessible user experiences.

Key Skills:

  • Proficiency in TypeScript, React, Vite, and Golang.
  • Experience with REST/gRPC API design and state management.
  • Strong understanding of CI/CD pipelines and cloud deployment.
  • Ability to lead technical design reviews and enforce engineering standards.
  • Experience in cross-functional collaboration with various teams.

Salary (Rate): undetermined

City: London

Country: undetermined

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Lead Full Stack Engineer – React, Golang

£Market Rate

London / Primarily Remote

4 months initially

My client is an instantly recognisable consultancy who require a Lead Full Stack Engineer to join a business-critical programme for an end client.

Key Responsibilities:

  • Own end-to-end technical design and delivery across a TypeScript/React/Vite front end and Golang microservices within a multi-tenant SWaaS architecture.
  • Define front-end module boundaries, API contracts (REST/gRPC), and state management; establish idiomatic Golang service structure, concurrency, and error-handling patterns.
  • Act as hands-on Tech Lead, driving design reviews, PR approvals, and resolving technical blockers with the Senior FSE/Scrum Lead.
  • Set and enforce engineering standards across TypeScript, React architecture, Vite builds, and testing (Vitest/Testing Library), alongside strong Golang test coverage.
  • Design and manage CI/CD pipelines covering front-end optimisation, Golang builds, containerisation, and cloud deployment across key product workstreams.
  • Collaborate cross-functionally with Architecture, Data Science, Product, and UX to integrate ML models and deliver FCA-aligned, performant, and accessible user experiences.
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