1 to 25 of 39 Contract React Jobs in London

of Agile methodologies and SDLC best practices. Strong problem-solving, analytical, and communication skills. Preferred: Experience in banking, payments, or financial services domain. Knowledge of front-end technologies (Angular, React, JavaScript) for full-stack exposure. Understanding of security protocols, authentication (OAuth2, JWT), and compliance requirements. More ❯

with industry trends and share best practices with the team Required skills: Proven experience as a Full Stack Developer or similar role Proficiency in front-end technologies and frameworks (React required) Strong back-end development skills (Java and Node.js required) Familiarity with version control systems (Git) Experience with containerisation and DevOps practices (Docker, Kubernetes) Hands-on experience with Red Hat More ❯

Exposure to microservices architecture . Familiarity with containerization (Docker, Kubernetes). Knowledge of NoSQL databases (e.g., MongoDB). Experience with message queues (Kafka, Solace). Front-end development exposure (React, Angular, Vue.js). Experience building CI/CD pipelines . Senior Java Developer Due to the volume of applications received for positions, it will not be possible to respond to More ❯

Robert Half Technology are assisting a market leading global technology consultancy to recruit a Full Stack Developer - Fully remote The Full Stack Developer will have experience across: React Python Javascript Nice to have: CI/CD Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using More ❯

fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why Join Us? Be part of a forward-thinking organisation that More ❯

fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why Join Us? Be part of a forward-thinking organisation that More ❯

managers, and other developers to create seamless user experiences. Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience of Cloud Native microservices architectures deployed on … Computer Science, Engineering, or a related field. Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). Familiarity with version control systems More ❯

and training for engineering teams adopting Backstage. Contribute to Backstage open-source ecosystem (where applicable). Profile The Spotify Backstage Developer will have strong experience in TypeScript/JavaScript (React knowledge highly desirable). Experience working with Spotify Backstage (building plugins, extending the framework). Familiarity with cloud environments (AWS, GCP, or Azure). Understanding of CI/CD pipelines More ❯

Key Requirements: 3+ years in software engineering with a strong product mindset Experience working closely with product teams and designing for real users Strong frontend skills (JavaScript/Typescript, React/Angular, HTML) and backend expertise (Node.js, Python) Proven experience in API design and system integration Proficiency with Microsoft Azure and familiarity with databases, IAM, containers, and deployment tools Comfortable More ❯

implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... Cloud More ❯

leading code reviews and ensuring quality in team deliverables. Strong back-end development experience, with a focus on AML, data integrity and scalable solutions. Experience with front-end development (React/JavaScript) and DevOps/maintenance tasks. Proficiency in building Agentic systems and multi-agent architectures. ETL and data management experience (Postgres, BigQuery, Azure, Snowflake). Ability to design solutions More ❯

Basic qualifications: Cloud experience (e.g. Google Cloud and cloud run essential) including core web application infrastructure is essential CSED backend Demonstrated experience of Python backend development (e.g. using FastAPI) React frontend experience ideally Strong skills in Python Unit testing experience (e.g. pytest) IaaS knowledge (e.g. Terraform) including best practices for module development Knowledge of agile practices and able to perform More ❯

Basic qualifications: Cloud experience (e.g. Google Cloud and cloud run essential) including core web application infrastructure is essential CSED backend Demonstrated experience of Python backend development (e.g. using FastAPI) React frontend experience ideally Strong skills in Python Unit testing experience (e.g. pytest) IaaS knowledge (e.g. Terraform) including best practices for module development Knowledge of agile practices and able to perform More ❯

Basic qualifications: Cloud experience (e.g. Google Cloud and cloud run essential) including core web application infrastructure is essential CSED backend Demonstrated experience of Python backend development (e.g. using FastAPI) React frontend experience ideally Strong skills in Python Unit testing experience (e.g. pytest) IaaS knowledge (e.g. Terraform) including best practices for module development Knowledge of agile practices and able to perform More ❯

other engineers to prioritise and deliver features. Ensure security, compliance, and confidentiality of sensitive financial data. The skills you'll need: Professional software engineering experience. Full stack development expertise (React, TypeScript, Python). Experience with FastAPI or similar Back End frameworks. Familiarity with agent frameworks and AI/ML integration. Experience working with APIs (REST/DAST). Strong understanding More ❯

Experience with ALM Accelerator for Power Platform Excellent stakeholder management and relationship building skills Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations Skilled in creating interface definitions Exposure to working with Agile development framework Experience with software design and development in a test-driven environment More ❯

environments and enjoys working across the full technology stack. The successful candidate will play a key role in designing, developing, and deploying scalable software solutions. With strong experience across React , Next.js , and Node.js , as well as exposure to languages like Python , Ruby , Scala , and Rust , this engineer will bring versatility, technical depth, and a collaborative mindset to a high-performing … high-quality, user-centric features. Key Responsibilities Deliver high-quality software across the full stack, from front-end UI to back-end APIs Build and maintain performant applications using React, Next.js, and Node.js Contribute to architectural discussions and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in … high standards of security, accessibility, and testing across the codebase Support platform improvements and contribute to continuous delivery practices Skills & Experience Required Strong experience in full stack development using React , Next.js , and JavaScript/TypeScript Proven backend engineering skills using Node.js and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track More ❯

Engineers, Business Analysts, and User Researchers to understand data outputs and user needs. Data Visualisation :Implement dynamic visual components such as charts, filters, and drill downs using frameworks like React , Vue , or Angular , and libraries such as D3.js or Chart.js . API Integration :Collaborate with Data Engineers to ensure seamless integration with back-end APIs and data services, managing data More ❯

managers, and other developers to create seamless user experiences. Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java Experience of Cloud Native microservices architectures deployed on … GitHub and ArgoCD Your skills and experience: Proven experience as a Full Stack Developer or similar role. Proficiency in front-end technologies: HTML, CSS, JavaScript, and front-end frameworks (React must, Angular, Vue.js). Strong back-end development skills: Experience with server-side languages and frameworks (Java and Node.js must, Python, Ruby on Rails). Familiarity with version control systems More ❯

Job Description: Develop and maintain AI-powered web applications using React, JavaScript, and Python, ensuring high performance and scalability. Integrate AI/ML models into production systems, working closely with data scientists to optimize deployment and performance. Design and implement end-to-end full-stack architectures, including front-end UI, back-end services, and database management. Stay updated on emerging More ❯

React Developer - FX Derivatives & Risk Bromley (3 days per week on-site) 12-month contract Competitive day rate via umbrella Are you a React Developer who thrives in fast-paced, high-performance environments? This is your chance to join a front-office technology team working on cutting-edge trading systems that power global markets. You'll be part of a … combines complex problem solving, UI performance optimisation, and exposure to financial products , all within a collaborative and innovative environment. What you'll be doing: Designing and developing high-performing React applications for FX Options and Risk. Optimising and scaling UI components to handle large volumes of real-time data. Collaborating closely with traders, quants, and other developers in an agile … platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design, optimisation More ❯

you would ideally need the following experience to be considered for this role: Ability to build and establish scalable UI architecture leveraging Typescript, as well as other tools like React, and Chakra UI must have SME level knowledge in AWS cloud infrastructure, and the ability to lead on building a resilient back-end with AWS services (Lambda, DynamoDB, SQS, API More ❯

response to Product Owner/Client priorities and fixing bugs/issues raised on the Live application. You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL/Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. You will be comfortable using the supporting tools for Agile product delivery such as JIRA (User Story …/Defect/Task Management), Confluence (Documentation/Comms), and Slack (collaboration/comms). Key Responsibilities Lead development of microservices and front-end components using Node.js (TypeScript) and React (TypeScript). Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations. Design and implement PostgreSQL schemas, migrations, and triggers; ensure data integrity and performance. Integrate with … features. Monitor and troubleshoot applications Contribute to design discussions, code reviews, and maintain documentation in Confluence. Essential Technical Skills Languages & Frameworks TypeScript (Proficient) - primary language for backend and frontend. React (Proficient) - SPA development, state management, performance optimization. js (Proficient) - microservices architecture. GraphQL (Working) - queries, mutations, schema awareness. SQL (PostgreSQL) (Working) - schema design, queries, migrations. JavaScript (Working) - legacy code and Jest More ❯

Engineer to join our dynamic development team. As a Software Engineer, you will play a pivotal role in designing, developing and maintaining our web applications with a focus on React and AWS Technologies. You should be passionate about creating innovative solutions, championing best practices and driving technical excellence. As a Software Engineer, you will have relevant experience in: . JavaScript … React, Node.js and TypeScript. . Strong experience in writing reusable, testable components, within React. . Proficiency in modern JavaScript (ES6) and JSX syntax. . Experience with building and maintaining RESTful API's using Node.js. . Ability to write optimised SQL queries for data retrieval, manipulation and management. . Experience with developing accessible, responsive layouts using componentised CSS/SASS. . … including Lambda, API Gateway, S3, Cognito & RDS. . Working practices such as test-driven development or behaviour-driven development. . TypeScript testing using Jest or a similar framework and React Testing Library or Enzyme for component testing. Desirable to have: . Familiarity with SQL database concepts and hands on experience with PostgreSQL. . Familiarity with version control using Git. . More ❯

Job Title: React Developer (UI Components) Location: Bromley (3 days a week onsite) Contract Type: Temporary Rate: Circa £750/Day Status: Inside IR35 Working Pattern: Full Time Join Our Team! Are you a skilled React Developer looking for an exciting opportunity in the dynamic world of finance? Do you have a passion for building and enhancing user interfaces? If … so, we want to hear from you! Our client, a leading organisation in the FX Derivatives and Risk sector, is on the lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools More ❯