76 to 100 of 865 React Jobs in London

happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine You also have backend experience with Node, TypeScript and Python You're product focussed with good business acumen You have a good knowledge of APIs and an More ❯

development lifecycle. Excellent communication, stakeholder engagement, and advisory skills. Desirable Experience with Generative AI, LLMs, RAG, LangChain, or Semantic Kernel. Familiarity with Microsoft Power Platform. Front-end experience with React, Angular, Vue.js, Flutter, or Progressive Web Apps. Exposure to edge computing, VR/AR, or robotics. What You’ll Bring Curiosity and passion for emerging technology. Strong coding and problem More ❯

development lifecycle. Excellent communication, stakeholder engagement, and advisory skills. Desirable Experience with Generative AI, LLMs, RAG, LangChain, or Semantic Kernel. Familiarity with Microsoft Power Platform. Front-end experience with React, Angular, Vue.js, Flutter, or Progressive Web Apps. Exposure to edge computing, VR/AR, or robotics. What You’ll Bring Curiosity and passion for emerging technology. Strong coding and problem More ❯

terms of specific languages you should have commercial experience in some or all of the following; Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, other similar) Spring framework or Jax-RS, Jax-WS, JPA Knowledge of selected front end technologies (HTML, JavaScript, CSS) Rest, Hibernate, Docker, Terraform, GitHub, Jenkins, development and deployment in a More ❯

and solution reviews to ensure best practices in performance, security, and maintainability. Contribute to the creation and use of reusable components, solution templates, and documentation standards. Libraries and Frameworks: React, Next.js, Node.js, .NET Testing: Vitest, Playwright, Pact, K6 Infrastructure and DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform While familiarity with our full technology stack is desirable, it is by no More ❯

You 8-10 years of software development experience within large-scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to … sharing knowledge across the team to help engineers thrive. Energised by fast paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and Spring Boot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud More ❯

software engineering , with a strong track record of delivering complex, user-facing applications in regulated, large-scale environments , ideally within Investment, Asset, or Wealth Management . Deep expertise in React or React Native , with hands-on experience in secure API integration , authentication flows , and frontend architecture . Strong proficiency in native mobile development using Swift (iOS) and/or Kotlin … mentoring engineers , conducting code reviews , and driving technical excellence across teams. Energized by fast-paced, regulated environments where speed, compliance, and innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS RDBMS (Oracle, Sybase)/NoSQL (Document DB) AWS/Docker/Kubernetes CI/CD More ❯

Stack Developer Max rate: £550p/d via Umbrella Clearance required: SC Duration: 4 Months Location: Croydon (Mostly Remote) Job Description: Senior Engineer with either full stack (Java/React/Node.js) or backend (Java and ideally Kafka) * Experience of Java * Experience of Spring framework or equivalent. * Knowledge of software design patterns and when to apply them * Excellent knowledge of More ❯

tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Finance experience a plus! Strong Communication skills with a drive to be working with the best tech! If this sounds like your next role and you would More ❯

tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Finance experience a plus! Strong Communication skills with a drive to be working with the best tech! If this sounds like your next role and you would More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in More ❯

This is a Back End Leaning Full Stack role. Front End Centric candidates will not be considered I'm afraid* Key Skills: Modern JavaScript (ES6+), Git, SQL (PostgreSQL) TypeScript, React, AWS, Node 6+ years’ engineering experience Join a talented team delivering meaningful improvements in a fast-moving, mission-led environment. More ❯

This is a Back End Leaning Full Stack role. Front End Centric candidates will not be considered I'm afraid* Key Skills: Modern JavaScript (ES6+), Git, SQL (PostgreSQL) TypeScript, React, AWS, Node 6+ years’ engineering experience Join a talented team delivering meaningful improvements in a fast-moving, mission-led environment. More ❯

technologies and industry trends and apply them to improve existing processes and applications. Qualifications: Proficient in Ruby-on-Rails framework. Strong knowledge of front-end technologies (HTML, CSS, JavaScript, React/Vue.js). Experience with database systems (MySQL, PostgreSQL) and ORM tools. Familiarity with version control systems (Git) and CI/CD pipelines. Basic understanding of Laravel framework Experience with More ❯

to code reviews, testing, and documentation Essential Skills Strong commercial experience with Python and Flask Proven experience working in cloud environments (AWS or Azure) Familiarity with frontend integration , ideally React.js Understanding of CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, CircleCI, or Azure DevOps) Solid grasp of version control (Git) and modern software delivery practices Desirable Experience in More ❯

to code reviews, testing, and documentation Essential Skills Strong commercial experience with Python and Flask Proven experience working in cloud environments (AWS or Azure) Familiarity with frontend integration , ideally React.js Understanding of CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, CircleCI, or Azure DevOps) Solid grasp of version control (Git) and modern software delivery practices Desirable Experience in More ❯

essential in order to be a successful candidate. Below is an idea of the technologies used throughout the Digital team. Tech Environment Languages: JavaScript/TypeScript, Java, C# Frameworks : React, Angular, Vue, Node.js, Spring Boot, .NET Cloud: AWS, Azure, GCP DevOps: Jenkins, GitHub Actions, Azure DevOps, Terraform, CloudFormation Due to the nature of the work, candidates must be eligible for More ❯

essential in order to be a successful candidate. Below is an idea of the technologies used throughout the Digital team. Tech Environment Languages: JavaScript/TypeScript, Java, C# Frameworks : React, Angular, Vue, Node.js, Spring Boot, .NET Cloud: AWS, Azure, GCP DevOps: Jenkins, GitHub Actions, Azure DevOps, Terraform, CloudFormation Due to the nature of the work, candidates must be eligible for More ❯

re passionate about building great software and want to be part of a growing consultancy, apply today. Desired Skills and Experience Python, Node, Node.js, JavaScript, Typescript, Flask, Django, C#, React, Next.js, Vue More ❯

original visual assets. Co-hire your future colleagues. Our tech stack: We use and leverage AWS, Cloudflare, and GitHub as much as possible. The codebase is written in TypeScript, React, Vite, TanStack, and Radix UI. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development More ❯

original visual assets. Co-hire your future colleagues. Our tech stack: We use and leverage AWS, Cloudflare, and GitHub as much as possible. The codebase is written in TypeScript, React, Vite, TanStack, and Radix UI. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development More ❯

Equities Experienced with Playwright or other testing tools such as Selenium Strong knowledge of HTML, CSS, JavaScript/Typescript, ideally with some Python, .NET and Java Some knowledge of React Strong analytical skills combined with a structured methodical and hands-on approach with passionate attention to detail Demonstrate good judgement in solving problems as well as identifying problems in advance More ❯

application development, testing, and operational stability Excellent knowledge with server-side languages and frameworks (e.g. Java/SpringBoot) Excellent knowledge with front-end languages and frameworks (e.g. typescript/react) Good knowledge of integration technologies (e.g. GraphQL, REST etc..) Experience in developing, debugging, and maintaining code with modern programming languages and database querying languages Solid understanding of agile methodologies such More ❯

AI or LLM-based systems at scale. Proficiency in at least two programming languages such as Java, .NET, TypeScript, or Python, along with experience in modern frontend frameworks like React.js or Stencil. Deep understanding of authorization and authentication standards (OAuth) and secure-by-design development practices. Strong awareness of OWASP Top 10 and a proactive approach to identifying and mitigating More ❯

of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid WFH model, x2 days a week onsite (Wed/Thurs) Working with Yaspa We are More ❯