Senior Frontend Engineer

October 27, 2026

Hybrid

Senior

London, United Kingdom

Indeed

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Fixed-term contract

Description

Senior Frontend Engineer role at a consulting company that helps clients build high-performing product teams and digital products. You’ll work with a modern stack featuring React 19, TypeScript, and a Micro Frontend architecture in a monorepo. You’ll contribute to client projects as part of multidisciplinary teams, with a focus on interface quality, accessibility, and performance. Hybrid role based in London, on a fixed-term contract for 8 months.

Responsibilities

Build responsive and accessible user interfaces for client projects
Work in multidisciplinary, cross-functional teams and collaborate with clients
Safely release features behind feature flags and monitor client-side performance
Share expertise and support the growth of other engineers on the team

Requirements

Strong hands-on experience building fast, accessible, responsive interfaces with React 19 and modern TypeScript
Practical experience developing Micro Frontend architectures using Vite Module Federation and monorepo tooling with Nx and pnpm
Confident working knowledge of Tailwind CSS v4 and React Router v7 for styling and navigation
Experience managing server-side caching and global UI state with TanStack Query v5 and Zustand v5
Ability to ensure data integrity and type safety at client-side boundaries using Zod
Strong approach to automated testing, including unit, integration, and end-to-end tests with Vitest, Playwright, and Mock Service Worker v2
Experience working with a Node.js/Express API layer, generated client types (Hey API, OpenAPI, Swagger UI), and contract validation
Attention to clean code and developer tooling, including Oxlint, ESLint, Prettier, and Husky
Hands-on experience safely releasing features using LaunchDarkly feature flags
Understanding of real-user monitoring and client-side observability tools such as Grafana Faro
Familiarity with modern deployment environments, including continuous integration with GitLab CI/CD and deployment to AWS infrastructure

Conditions

Hybrid working, with an office in London
8-month fixed-term contract
25 days of paid annual leave, plus flexible bank holidays
Employer pension contributions of 6% of salary
Aviva health insurance covering pre-existing conditions
£1,000 flexible benefits allowance, with any unused balance available as cash
Life and income protection insurance
Reimbursement for eye tests and your first pair of glasses
Enhanced maternity and second-parent leave
A culture of small regional “clubs” of up to 80 people and professional communities
Temporary employment