17 of 17 Remote/Hybrid Vitest Jobs

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
FastAPI, Polars, LangChain Frontend: React (TanStack Query/React Router/react-hook-form + Zod), TypeScript, nx.dev, Tailwind CSS/shadcn/ui, Vitest/Playwright/MSW, Vite, Recharts Platform: Azure, Azure DevOps (CI/CD), Kubernetes, Docker, cloud storage, messaging and events, Git, SonarQube ...

Frontend Architect

Location
Greater London, England, United Kingdom
observability for the frontend (RUM, logging, error tracking). Experience with frontend testing strategies, including unit, integration, and end-to-end testing (e.g., Jest, Vitest, React Testing Library, Playwright, Cypress). Experience collaborating closely with UX/UI designers to turn wireframes and design systems into accessible, performant experiences ...

Mid-Weight Full-Stack Software Engineer

Location
West of England, England, United Kingdom
Supabase is a plus) 05 Solid understanding of RESTful APIs and web services 06 Experience writing unit, integration and e2e tests with Jest/Vitest and Playwright 07 Comfortable using Git and working within agile delivery 08 Strong problem-solving skills and attention to detail 09 Clear communication skills ...

Head of Engineering (F/H/X)

Location
Greater London, England, United Kingdom
state, i18next for multi-language support (FR/EN/ES), Sentry for monitoring, Mixpanel for analytics, GrowthBook for feature flagging. Testing with Vitest/Playwright, linting/formatting with Biome. Mobile : a native iOS app (Swift) dedicated to multi-screen casting in our rooms, with GitHub Actions CI/ ...

Web: Full Stack Tech Lead

Location
Greater London, England, United Kingdom
builder : Cursor, v0 , Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate‐limits, background jobs. Elasticsearch fluency: mappings/analyzers (ngrams ...

Full Stack Developer

Location
Manchester, England, United Kingdom
equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit andcomponenttests — Jest andReactTesting Library,Vitest, or equivalent. Nice tohave: containerisationfundamentals using Docker or an equivalent tool, and general scripting ability in Bash or PowerShell. Highly desirable: experience with the Azure ...

Full Stack Developer

Location
Belfast City District, Northern Ireland, United Kingdom
equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit andcomponenttests — Jest andReactTesting Library,Vitest, or equivalent. Nice tohave: containerisationfundamentals using Docker or an equivalent tool, and general scripting ability in Bash or PowerShell. Highly desirable: experience with the Azure ...

Senior FullStack Engineer - TypeScript - Python

Location
Greater London, England, United Kingdom
reliability of our entire system Our stack Infrastructure: AWS, Terraform Frontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full stack engineer An end-to-end systems-mindset; we are building ...

Frontend Developer

Location
Leeds, England, United Kingdom
tools. Experience with CI/CD systems (Vercel, GitHub Actions). Experience building or maintaining a design system. Experience with testing libraries and tools (Vitest, React Testing Library, Playwright, Jest). Experience using Tailwind or other utility-based CSS libraries. The stack Next.js React TypeScript Tailwind Typesense ClickHouse Vercel Shadcn ...

Full-stack AI Engineer

Location
Greater London, England, United Kingdom
functionally with Product, Design, Compliance, and other engineering teams to deliver impactful solutions Frontend: React, TypeScript, Material-UI Module Federation (Micro-frontend architecture) Vite, Vitest Python 3.13, FastAPI LangGraph (AI agent orchestration) LlamaIndex (RAG/vector search) AWS Bedrock Infrastructure: AWS (ECS Fargate, Lambda, API Gateway, S3) Terraform, GitHub Actions ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience building interactive interfaces and modern UIs Competitive salary based on experience Latest development equipment and tools ...

Front End Engineer - Serve

Location
Belfast, Northern Ireland, United Kingdom
Actions, TeamCity). Testing Practices: Proficient in writing and maintaining unit and integration tests, demonstrating an understanding of test-driven development (TDD) principles (e.g., Vitest, Playwright, Jest). Distributed Systems Knowledge: Familiarity of distributed systems, including building scalable and resilient services (e.g., Redis, Kafka, AWS infrastructure). Problem-Solving & Collaboration ...

Senior Frontend Design Engineer – Outside IR35 – London

Location
Greater London, England, United Kingdom
strong eye for detail and product quality Experience creating reusable component libraries and scalable frontend architecture Strong understanding of modern testing practices (Playwright, Vitest, Jest, React Testing Library etc.) Comfortable collaborating closely with engineers, product teams and non-technical stakeholders Ability to work autonomously and deliver at pace Contract Details ...

Vue Developer

Hiring Organisation
Michael Page
Location
City of London, London, Tower, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
closely with stakeholders to understand and implement project requirements. Profile Must haves: VueJS Single page application development Vuex Pinia/Vite TypeScript Vite Rollup Vitest or Playwright AI - prompt engineering or AI-assisted development (Claude, Cursor etc) Worked on a broker platform, trading or similar industry experience a huge plus ...

Software Development Engineer in Test

Location
Greater London, England, United Kingdom
TypeScript, Java, or Rust Experience with modern test frameworks and willingness to learn new ones (the stack includes Jest, Playwright, Bun test, Vitest, JUnit5, Selenium, and Rust's native testing via cargo test) Cross-platform testing experience, comfortable setting up environments, debugging platform-specific issues, and working with ...

Senior Frontend Engineer

Location
Greater London, England, United Kingdom
well Desirable: energy domain knowledge Our stack React (required) TypeScript (required) Next.js on Vercel (desirable) GraphQL w/Tanstack Query (desirable) React Testing Library & vitest and/or msw (desirable) We have a preference for candidates who can work hybrid from our London office, but we're open to fully ...

Full Stack Software Engineer

Location
Greater London, England, United Kingdom
producing software that brings true delight to users. Core Technology Stack Frontend & UI Architecture: React v19, Next.js v16 (app Router), Typescript, TanStack Query v5, ViTest AI Productivity Tools Claude, ChatGPT, GitHub Copilot How you can make an impact Core Mission: Build secure, scalable full-stack identity workflows using modern C# … proficiency with React 1 9, TypeScript, Next.js (App Router), and TanStack Query v5. Validation & Testing: Production experience with FluentValidation, xUnit for backend testing, and ViTest for frontend utility/component testing. Architectural Patterns: Deep appreciation for CQRS, SOLID, DRY principles, and secure Backend-for-Frontend (BFF) patterns. Enterprise Security & Identity ...