101 to 125 of 665 React Jobs in London

designing and implementing both frontend and backend components of our next-generation master data management platform. This role demands expertise across the entire technology stack, with a focus on React for frontend development and Java for backend services. A good understanding of the commodity trading business is advantageous, as you'll be working with critical reference data that underpins all … intuitive user interfaces and robust data services that will serve as the backbone for Trafigura's trading operations. Knowledge Skills and Abilities, Key Responsibilities: Frontend Expertise : Strong proficiency in React, JavaScript/TypeScript, HTML5, and CSS3 for building responsive and interactive user interfaces. Java Backend Expertise : Strong proficiency in Java development, including Spring Framework, Spring Boot, and JVM optimisation techniques … in a dynamic trading environment. Experience: Development Experience : Minimum of 8 years of hands-on full stack development experience, with at least 3 years working on data-intensive applications. React Experience : At least 3 years of experience developing applications with React and modern JavaScript frameworks Java Experience : At least 4 years of experience in Java backend development, including Spring Framework. More ❯

reviews, and research projects. Key Skills & Experience: Strong proficiency in Java and system design principles. Experience with designing and implementing scalable and distributed systems. Exposure to front-end technologies (React, Angular, or similar) is beneficial. Experience with databases (SQL, NoSQL) and data modeling. Familiarity with cloud services (AWS preferred) and DevOps practices. Strong problem-solving skills and ability to work More ❯

s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) Proficiency in HTML5, CSS3, and JavaScript Familiarity with at least one modern front-end framework (React, Vue, or Angular preferred) Basic understanding of responsive design, accessibility, and cross-browser compatibility Knowledge of Git for version control Strong attention to detail and willingness to learn from senior More ❯

s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) Proficiency in HTML5, CSS3, and JavaScript Familiarity with at least one modern front-end framework (React, Vue, or Angular preferred) Basic understanding of responsive design, accessibility, and cross-browser compatibility Knowledge of Git for version control Strong attention to detail and willingness to learn from senior More ❯

with users and iterate quickly based on real feedback What We're Looking For 3+ years of experience building scalable systems with Python or C# Strong front-end experience (React, Vue, Angular - your choice) Cloud architecture know-how (AWS, Azure, GCP - any flavour works) Solid understanding of relational databases Background in Computer Science, Engineering, Maths, or similar Experience in a More ❯

automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... Cloud based experience Microservice architecture or server More ❯

AWS Cloud 2. Financial domain experience and previous consulting experience 3. Experience in SharePoint Framework (SPFx), SharePoint Administration & Governance 4. Knowledge & experience in any one of the JavaScript frameworks - React, Angular or similar 5. Agile - Scrum experience/certification. This role can provide an fully remote option within the UK. More ❯

Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. Participate More ❯

and contribute to sprint planning, estimations, and retrospectives. Work within the constraints and standards expected in secure, SC-cleared environments. Essential Skills & Experience: Proven front-end development experience in React , TypeScript , JavaScript , HTML , and CSS . Strong experience working with AWS , particularly Lambda and server less architectures. Comfortable working in fast-paced, Agile teams and within structured public sector delivery 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 ❯

and intuitive interfaces. Technologies We Use We believe the ability to learn and adapt is more important than knowing any specific technology. That said, you'll encounter: • Frontend: TypeScript (React), Tailwind CSS, NextJS What We Value • Problem-Solving: You approach challenges with a first-principles mindset and prioritize deep understanding before implementation • Empathy and Collaboration: You thrive in collaborative settings More ❯

with AWS or Google Cloud Our Technology Stack The list below is indicative and not exhaustive of the technologies we use at Causaly. Node.js Typescript Git ElasticSearch Neo4J RxJS React Webpack Benefits Competitive compensation package Private medical insurance Life insurance (4 x salary) Personal development budget Individual wellbeing budget 25 days holiday plus bank holidays Your birthday off! Potential to More ❯

onsite gym, barista coffee and free breakfast. About you: You have strong front end JavaScript development skills You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine You're product focussed with good business acumen You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies You More ❯

and developing responsive web sites Solid understanding of all aspects of the software development life cycle (specifications, design, implementation, testing, and documentation) In-depth knowledge of JavaScript (NextJS/React/Node) technologies, SaaS services, and Cloud (AWS, Azure, GCP) services Top-notch communication skills in both written and spoken English Great time management and planning skill Eagerness to work More ❯

both verbally and in written form Managing stakeholders, including customers and end users Championing quality assurance and best practices Practical software development experience in the full technical stack, e.g. React, Typescript, Javascript, Java, C#, messaging, Elastic, MongoDB and traditional RDBMS such as PostgreSQL. Following an agile development methodology Driving innovation within a team of engineers to find new solutions to More ❯

backend solutions. Experience with AI technologies like SageMaker, Vert.x, LangChain, Large Language Models, Prompt Engineering, DialogFlow, Python Experience with at least one of the following: Front-end technologies like React, Angular, SwiftUI (iOS), Kotlin (Android) Back-end technologies like Java, Typescript, Spring, Express (NodeJS) Prior working experience in a cloud computing environment like AWS/GCP is highly desired. Prior More ❯

of using AI to directly improve people's lives. We take a blue-sky but pragmatic approach to how we apply new technologies. Our Tech Stack TypeScript (Full-stack) React + Next.js, Tailwind, Prisma, tRPC PostgreSQL, MongoDB, Redis Serverless, AWS, Google Cloud, Github Actions DBT, BigQuery Terraform Python Requirements You're opinionated and want to help us change the legal More ❯

Enterprise Integration Patterns, Apache Camel DevOps: Gitlab CI/CD, Ansible, Observability/Telemetry Unix: bash scripting, system and process monitoring Cloud: Experience with AWS, S3 Web: HTML5 frameworks: React, Redux, SSE/Websockets, CSSBootstrap Career Growth and Learning Opportunities Great opportunity to be at the intersection of business and technology. Gaining in-depth knowledge of both Cash Prime Brokerage More ❯

using TypeScript, REST APIs, and JSON. About You: 3+ years of experience in frontend engineering and deploying cloud computing solutions (AWS preferred). Proficiency in TypeScript/JavaScript, Next.js, React, and Node.js. Experience with SQL and NoSQL databases. Practical experience developing and improving applications written in Node.js. Able to drive a project from idea to completion without a step-by More ❯

pair programming, and mentoring where relevant. Help shape team practices and engineering standards, driving continuous improvement. Support and optimise cloud-based, serverless, and microservice architectures. Node.js GraphQL REST APIs React.js Microservice and serverless architecture AWS (Lambda, API Gateway, IAM, Secrets Manager) CI/CD practices (Git, GitLab, Terraform/CloudFormation) Testing frameworks and tools: unit testing, E2E testing, Cucumber, Postman More ❯

with other CMS platforms and frameworks is a bonus. Experience in managing tech teams is a plus. Experience on build SaaS is a plus. Ruby knowledge is a plus. React knowledge in a plus. Workstation hardware of your choice Ownership of your code and the freedom A great workspace in the city center filled with passionate, creative, team-oriented, hard More ❯

and verbal communication skills. Ability to write clean, maintainable, and well-documented code. Nice to Have: Experience with SQL and relational databases. Familiarity with modern UI frameworks such as ReactJS, Mobx, and TypeScript. Experience with AI coding concepts, Co-Pilot, and Agentic AI tooling. Background in ERP automation, workload automation, financial process automation, or RPA technologies. If you like growth More ❯

both verbally and in written form Managing stakeholders, including customers and end users Championing quality assurance and best practices Practical software development experience in the full technical stack, e.g. React, Typescript, Javascript, Java, C#, messaging, Elastic, MongoDB and traditional RDBMS such as PostgreSQL. Following an agile development methodologyDriving innovation within a team of engineers to find new solutions to difficult More ❯

to deployment and back again. Most of our engineers release code to production every few days and we have a daily release cycle. Viator's web stack includes Java, React, TypeScript, GraphQL,Kubernetes, SQL and NoSQL databases, and runs on AWS. You don't need to have experience with everything listed but you do need to be hungry to learn. More ❯

to deployment and back again. Most of our engineers release code to production every few days and we have a daily release cycle. Viator's web stack includes Java, React, TypeScript, GraphQL,Kubernetes, SQL and NoSQL databases, and runs on AWS. You don't need to have experience with everything listed but you do need to be hungry to learn. More ❯