8 of 8 Senior React Developer Jobs in the UK

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. … also be a collaborative team player who communicates clearly and contributes to a high-quality engineering culture. Role & Responsibilities Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built ...

Senior Front End Developers (React, TypeScript)Guildford, Surrey (Office-Based)£70000 - £100000 + 25% Bonus, 10% Pension, Private Medical. Must haves:- Must work 5 days per week in the office in Guildford.- Must have worked in a Senior Developer role … already. Your new company This leading engineering software provider is expanding its Front End capability with 2 new Senior React hires as part of a major modernisation of its global product suite. You will be working in their state-of-the-art offices in the heart ...

with an innovative and fast-growing technology business to recruit a Senior Frontend Developer with deep expertise in React and React Native . This is a key hire within the engineering team, suited to someone who can take ownership of core frontend … areas , work independently, and confidently deliver complex features from development through to release. Key Responsibilities Develop and maintain web applications (React/Next.js) and mobile apps (React Native/Expo) Take ownership of features from concept through to production release (including App Store deployment) Design and implement robust ...

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £130,000 + Bonus | 🏙️ London | 🧑💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React … Direct exposure to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery ...

tojoinanestablishedtradingplatformprogramme.Thisproduction-criticalsystemislong-lived,activelyevolving,andplacesstrongemphasison performance,reliability,andmaintainability . YouwilljoinahighlyexperiencedteamofseniorengineersandQAdevelopers,taking fullownershipoffeatures fromdesignthroughtoproduction,whilecollaboratingdirectlywiththeclient. KeyResponsibilities Design,build,andmaintainfeaturesacrossthefullstackofa high-performancetradingplatform . Workprimarilywith: TypeScript (Node.js &React) Monorepotooling,GitHub,GitHubActions Jest,Playwright Redis,MSSQL,WebSockets Docker,Kubernetes Observabilitytools (Grafana,Prometheus,SonarQube) Take end-to-endownership offeaturesfromdesigntoproduction. CollaboratecloselywithplatformandDevOpsengineersonbuildpipelines,observability,andoperationalconcerns. Communicatedirectlywithclientstoclarifyrequirementsandproposesolutions. Contributetoandimproveautomatedtestingpractices. … Participateinpeercodereviewsandmaintainhighengineeringstandards. Leverage LLM/AI-enableddevelopmenttools aspartofday-to-daydevelopment. Requirements 8+years ofprofessionalsoftwaredevelopmentexperience. 3+years hands-onexperiencewith TypeScript,Node.js,andReact . Goodexperiencebuildingandmaintaining productionsystems . Comfortableworkingina senior,autonomousengineeringteam . Good communicationskills andfluencyinEnglish. Hybridworking inWaterloo,London. Desirable Experiencewith functionalprogramming (OCaml,Haskell). Priorexperiencein trading,finance,orreal-timesystems . Solidunderstandingof DevOpsandoperationalconcerns (logging ...

TheOpportunity Wearepartneringwithaninnovativeandfast-growingtechnologybusinesstorecruita SeniorFrontendDeveloper withdeepexpertisein ReactandReactNative . Thisisakeyhirewithintheengineeringteam,suitedtosomeonewhocan takeownershipofcorefrontendareas ,workindependently,andconfidentlydelivercomplexfeaturesfromdevelopmentthroughtorelease. KeyResponsibilities Developandmaintain webapplications(React/Next.js) and mobileapps(ReactNative/Expo) Takeownershipoffeaturesfromconceptthroughto productionrelease(includingAppStoredeployment) Designandimplement robustfrontendarchitectureandintegrationlayers Manageauthenticationflowsusing MSAL Collaboratecloselywithbackendteamsworkingon Node.jsmicroservices Supportdeploymentandconfigurationacrossenvironmentsusing Azure KeyRequirements 5+yearscommercialexperiencewithReact Strongcommercialexperiencewith ReactNative Provenexperiencedelivering mobileappstotheAppStore Experiencewith Next.js (essential) Experiencewith Expo (highlydesirable) Strongknowledgeof MSALandauthenticationflows Experienceworkingwith ...

Senior UI/UX Designer & Frontend Developer (Mobile • Figma • React) – Global Legal Tech A rare opportunity to join one of the world’s most respected legal brands—part of the industry’s magic circle —as they build a next‐generation, AI‐driven SaaS … SaaS products , backed by a strong portfolio. Deep expertise in Figma , prototyping tools, and modern design workflows. Advanced front‐end engineering skills with React, JavaScript, TypeScript, HTML, CSS —comfortable owning complex UI builds end‐to‐end. Experience working in cloud environments (Azure preferred) and modern Agile/DevOps teams. ...

dynamic, international environment, focusing on building secure, scalable, and innovative financial systems that power global banking services. We are currently looking for a Senior Fullstack Developer (Java+React) to join the team. The role involves working in a modern microservices architecture and contributing … Developer with both backend and frontend expertise. The expected skill distribution is approximately 60% backend (Java/microservices) and 40% frontend (React), with flexibility depending on experience. Requirements : Java, Spring Boot, Microservices, Node.js, TypeScript, React. Location: London (hybrid) 🔥 We build real AI products 🤓 We learn fast ...