76 to 100 of 213 React Jobs in London

with a genuine commitment to team growth and wellbeing. Strong hands-on skills in: AWS (or equivalent cloud platforms) Python/PySpark for data engineering and automation TypeScript, Node.js, React.js for full-stack development Solid grasp of distributed systems design, secure coding, and data privacy principles. Familiarity with fraud detection models, anomaly detection, and rule-based systems. Experience with modern More ❯

weekly standup. Back End Tech Stack: Kotlin Spring Webflux Ktor Server Kotlin Coroutines RSocket Ktor Client Kotlinx Serialization Quartz Kotest + JUnit Gradle Front End Tech Stack: Kotlin Multiplatform React (with hooks) SharedWorker TypeScript NPM Gradle Infrastructure: AWS + S3 Prometheus Grafana Jenkins Github Ideal Profile: Strong proficiency in Kotlin/Java. Proficiency with Kotlin coroutines (flows). Proficiency with More ❯

Looking For Experience: 1+ years in a full stack/product engineering role, as well as experience using AI/ML and computer vision. Technical Expertise: Proficient in TypeScript, React and NodeJS, and with good product intuition. AI Skills: Hands-on experience with prompt engineering, fine-tuning pre-trained models, and training custom models, including vision models. Product Mindset: Strong More ❯

What we would like to see from you Expert knowledge of vanilla JavaScript/TypeScript Understanding of WebAssembly Deep understanding of web security issues Significant hands-on experience with React Experience at developing services (RESTful API) including strong authentication (using JWT, 3rd party identity provider, etc), ORM and SQL or NoSQL (document oriented) databases Commercial experience designing and building CI More ❯

based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around us. We run several meetups including the hugely popular React London, invite other groups to host their events in our office such as Lua London and Ladies Who Code and speak at events like Digital Shoreditch and LNUG. The Role More ❯

using tools like Spark, Airflow, or dbt.* API & Microservices Development: Build secure, efficient APIs and microservices for data integration.* Full Stack Development: Deliver responsive, high-performance web applications using React (essential), plus Angular or Vue.js.* Back-End Expertise: Develop server-side logic with Java and Node.js; Python or Ruby experience is a bonus.* Cloud & Containers: Deploy microservices on Kubernetes and … experiences.What We're Looking For* Degree in Computer Science, Engineering, or equivalent experience.* Proven experience in full stack development and data engineering.* Strong front-end skills (HTML, CSS, JavaScript, React required).* Solid back-end expertise (Java and Node.js required).* Familiarity with cloud-native architectures and DevOps practices.* First-class leadership or management skills to guide teams and influence … you before presenting it to any potential employer.Please note we are on the client's supplier list for this position.KeywordsCloud Engineer, Full Stack Developer, Data Engineer, Java Developer, Node.js, React Developer, Kubernetes, Docker, Red Hat OpenShift, CI/CD, GitHub, ArgoCD, PostgreSQL, AWS, Azure, GCP, DevOps, Agile, Power BI, Data Pipelines, Microservices, Hybrid Working, Security Clearance, Leadership, Management. More ❯

working with existing technologies while contributing to the modernisation of critical banking systems. The position spans the full software development life cycle, with core technologies centred on Java and React, and suits a developer who values building robust, scalable solutions rather than focusing on the latest trends. The successful candidate will join a new, dynamic team and take ownership of … responsibility, and understands the importance of delivering high-quality outcomes for both the team and the wider business. They will be expected to collaborate closely with Senior Java and React Developers, UI/UX specialists and Agile Transformation functions to help architect and deliver applications in line with best design and development practices. Operating in an Agile/Scrum environment … capability to estimate, plan and track work effectively. Candidates should demonstrate strong client-side development experience with HTML5, CSS3, Sass/Less, JavaScript (ES9/2018), TypeScript, RESTful APIs, React and Webpack, as well as mature server-side coding skills using Java 11+ and SQL (DB2, SQL Server or Postgres preferred). A solid understanding of design patterns, microservices architecture More ❯

Strategy,QA,PM). Optimisesiteperformanceandscalability. Integratethird-partyAPIsandcustomfunctionalityusingShopifysAPIandGraphQL. StayaheadofemergingShopifyfeatures,trends,andbestpractices. Providementorshipandtechnicalleadershiptootherdevelopers. Participateincodereviews,technicalplanning,andprojectestimations.' RequiredSkills&Experience 5+yearsofprofessionalexperienceinwebdevelopment,withatleast3yearsspecialisingin Shopify/ShopifyPlusinaseniororleadposition. Deepunderstandingof ShopifysLiquid templatinglanguageandthemearchitecture. Strongproficiencyin HTML5,CSS3,JavaScript(ES6+),React/Vue ,andmodernfront-endbuildtools(Webpack,Vite,etc.). Experiencebuilding customShopifyapps using Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ShopifyAPIs,GraphQL,andwebhooks . StrongunderstandingofecommerceprinciplesandUXbestpractices. Experienceleadingprojectsormentoringdevelopers. Excellentcommunicationandcollaborationskills. More ❯

with Cloud Infrastructure (Ideally AWS) Good understanding of Git, and CI/CD Nice-to-haves: Deeper understanding of SQL Knowledge of front-end technologies such as Vue or React Experience with handling sensitive data (e.g. PII) Experience working in a startup environment Senior Backend Developer | Senior Backend Engineer | Senior Backend Python Developer | Senior Software Engineer More ❯

Monday to Friday. About you: You have strong C# .Net, ASP.Net development experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree More ❯

end: Java 21, Spring Boot, REST, Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, Cognito, S3, KMS), Containerization (Docker/kubernetes) Front-end: TypeScript, React, and Tailwind CSS Join a growing tech company thats redefining how complex industries connect and operate. Youll work with modern technologies, shape scalable architecture, and help build solutions that have More ❯

ensuring optimal performance, security, and scalability. Key Responsibilities Design, develop, and maintain custom ASP.NET MVC web applications and SharePoint solutions. Implement responsive, user-friendly interfaces using frameworks such as React, Angular, Bootstrap, and jQuery. Develop and optimize SQL databases to support application needs. Utilize low-code platforms like PowerApps and Power Automate to streamline workflows. Create and manage reports using More ❯

and NoSQL databases. Furthermore, the candidate is required to have broad programming experience across a range of modern languages and frameworks, specifically including Python, Typescript, Golang, Node JS, JavaScript, React, and JSON. Lastly, you must have experience in leading either a team or projects and possess some knowledge of relevant industry standards like GDPR. This is a fantastic opportunity to More ❯

and NoSQL databases. Furthermore, the candidate is required to have broad programming experience across a range of modern languages and frameworks, specifically including Python, Typescript, Golang, Node JS, JavaScript, React, and JSON. Lastly, you must have experience in leading either a team or projects and possess some knowledge of relevant industry standards like GDPR. This is a fantastic opportunity to More ❯

and NoSQL databases. Furthermore, the candidate is required to have broad programming experience across a range of modern languages and frameworks, specifically including Python, Typescript, Golang, Node JS, JavaScript, React, and JSON. Lastly, you must have experience in leading either a team or projects and possess some knowledge of relevant industry standards like GDPR.This is a fantastic opportunity to move More ❯

experience in startups or multi-disciplinary product environments. Familiarity with MLOps and embedded systems integration. Background or interest in scientific/biological domains. Our Tech Stack (Current & Planned) Frontend: React, TypeScript Backend: , Pytho,, REST & GraphQL APIs Cloud & Infra: AWS (ECS, S3, Lambda), Docker, Cloudformation, Pulumi, CI/CD with GitHub Actions ML/AI: PyTorch, TensorFlow, scikit-learn, MLflow for More ❯

re Looking For: Technical Experience: Proficiency in cloud computing (preferably AWS) and software development, with strong programming skills in modern object-oriented languages, especially Python. Experience in frontend development (React + Javascript/Typescript) is highly desirable. Stakeholder Management: Ability to engage and collaborate effectively with both technical and non-technical stakeholders. Autonomy and Drive: A self-starter who can More ❯

re Looking For: Technical Experience: Proficiency in cloud computing (preferably AWS) and software development, with strong programming skills in modern object-oriented languages, especially Python. Experience in frontend development (React + Javascript/Typescript) is highly desirable. Stakeholder Management: Ability to engage and collaborate effectively with both technical and non-technical stakeholders. Autonomy and Drive: A self-starter who can More ❯

thinker with an inquisitive mind who is motivated to make change for the better and, most importantly, puts our users first. Qualifications Proficient in Web Technologies: HTML, CSS, JavaScript, React.js, Next.jsand Node.js whilst you are not going to be coding a full website and its features, we are coding core tracking methods in JavaScript with proper release cycles. E-commerce More ❯

global platforms. The role includes direct line management of 5 engineers. We are looking for: Strong Full Stack development skills on Python and PySpark, Typescript (ideally also Node.JS/React.JS) and AWS (Or other cloud provider) as a Technical Lead or Senior Engineer. Line Management experience. The client are looking to offer up to £133,500 basic + Bonus (c25 More ❯

global platforms. The role includes direct line management of 5 engineers. We are looking for: Strong Full Stack development skills on Python and PySpark, Typescript (ideally also Node.JS/React.JS) and AWS (Or other cloud provider) as a Technical Lead or Senior Engineer. Line Management experience. The client are looking to offer up to £133,500 basic + Bonus (c25 More ❯

teams, including trusted external partners Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure to real-time data environments Interest More ❯

teams, including trusted external partners Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure to real-time data environments Interest More ❯

you will be a highly experienced Lead C# Software Developer with solid Azure cloud experience. The ideal Senor C# .Net Developer will have previous experience with: C# & .Net Core React.js &/or Next.js LINQ, JSON & Inversion of Control Azure PaaS, Function Apps, Blob/Table Storage, Service Bus Topics, Azure Search and API Management Infrastructure as Code (ideally Terraform) and More ❯

for clients. Skills and Experience Develop and maintain end-to-end features across both backend services and front-end interfaces Design and optimise AWS infrastructure Deep knowledge of JavaScript, React and Node.js If you are looking for a new challenge, then please submit your CV for initial screening and more details. Full-Stack Engineer More ❯