126 to 150 of 321 React Jobs in Central London

requirements and produce clear technical impact assessments Architect, design and implement scalable cloud-based solutions Develop new functionality across the full stack (C#, .NET, React) Communicate technical details effectively to stakeholders Deliver iterative improvements and respond constructively to feedback Provide 3rd-line application support, including investigation and resolution of issues … work to agreed deadlines Ability to mentor junior team members and work collaboratively Essential Technical Skills C#/.NET Core (4+ years) ASP.NET MVC React (3+ years) JavaScript/TypeScript/jQuery/AJAX (3+ years) HTML/CSS (3+ years) SQL Server (3+ years) Web API/WCF/ ...

Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications … using DataDog or similar observability tools Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc Any experience of front-end or fullstack development using TypeScript & React Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above ...

optimising services that power our EV testing, reporting, and data-sharing products. This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions … clean architecture, performance, and testable code. Interest in the EV, sustainability, or data analytics space is a plus. Nice to Have Experience with React/Next.js/React Native or TypeScript . Experience integrating third-party APIs (OEM, OBD, or telematics data). Familiarity with data pipelines and event-driven ...

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within … seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...

tier VC funds and angels from the likes of DeepMind. 🌍 Location: London (in-person) 💰 Compensation: £115k–£228k + 0.5–1.5% equity 🏗️ Tech: Node.js, React, AWS, CI/CD, scalable backend systems 🚀 Founding Engineer | Up to £230k + Large Equity (Up to 1.5 ...

product, and design to deliver polished UI/UX. Key requirements: 5+ years of commercial frontend experience Strong JavaScript + CSS foundation Hands-on React experience Comfortable building API-driven applications If you’re a Senior Frontend Engineer looking for a new challenge, please apply. ...

Engineer with strong TypeScript experience to join their collaborative engineering team. You’ll work across the full stack, contributing to customer-facing features with React, Node.js, GraphQL, and Postgres As a Mid Fullstack TypeScript Engineer, you’ll be responsible for building powerful enterprise web application powered by large proprietary datasets. ...

their work and working on things end to end. Strong experience in their stack- Typescript, Node, Express & React. Nice to haves would be React Native and AWS. Ideally experience in or an interest in FinTech. Good experience with API design and databases (they are using PostgreSQL) Key Details: Salary ...

someone who loves building with AI. Key requirements: 2–7 years’ experience in software engineering at product-focused companies Strong with TypeScript, Node.js, React (experience with Next.js would be a bonus) Comfortable across the stack, but frontend-leaning Interest or experience in AI/ML and agentic systems ...

Python development experience. Strong understanding of monitoring platforms and scripting. Ability to schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience in Bank of America ...

Full Stack Engineer – AI Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, hybrid 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. The platform ...

architecting and maintaining distributed backend systems. Strong understanding of integration patterns, API design, and scalable service architecture. Nice To Have Node.js, PHP, MongoDB, Kafka, React (for back office apps) Contract Details 6-month contract — extension highly likely due to roadmap depth Outside IR35 Fully remote within Europe Apply ...

architecting and maintaining distributed backend systems. Strong understanding of integration patterns, API design, and scalable service architecture. Nice To Have Node.js, PHP, MongoDB, Kafka, React (for back office apps) Contract Details 6-month contract — extension highly likely due to roadmap depth Outside IR35 Fully remote within Europe Apply ...

SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

systems are secure, reliable and scale to meet the demands of a rapidly growing business. Involvement in the technical design & also delivery of C#.net (React front end), Commodities trading systems If you are interested in applying for this C#.Net engineering Lead/Manager role, please do apply with your latest ...

Domain Expertise: Experience in E-commerce/D2C environments (Shopify, NetSuite,..). Technical Depth: A background in modern stacks—specifically Python or Node.js , React, and Microservices architecture. Cloud Native: Expert-level knowledge of AWS ecosystems. Strategic Mindset: You’ve led system re-platforming or built "greenfield" products from zero ...

what is required to take the next step up. To be considered: Strong experience in PHP Development Experience with JavaScript/Vue/React Demonstrable experience with relevant MVC frameworks (Preferably Laravel) Experience working to SOLID principles Experience with Docker would also be a benefit Any knowledge ...

what is required to take the next step up. To be considered: Strong experience in PHP Development Experience with JavaScript/Vue/React Demonstrable experience with relevant MVC frameworks (Preferably Laravel) Experience working to SOLID principles Experience with Docker would also be a benefit Any knowledge ...

emerging engineers, raising the technical bar across the organisation Produce clear written documentation to align engineering, product and operations Tech Environment Full-stack TypeScript, React, Postgres Modern cloud infrastructure (AWS, Terraform) Strong observability and monitoring practices Data platforms and analytics tooling AI-powered systems working with complex, unstructured real-world ...

teams in early-stage startup environments (Seed → Series A/B). ✅ You’ve recently been hands-on, with strong full-stack capability across React, TypeScript, Python, SQL, and experience shipping AI-native systems (multi-agent workflows, LLM tooling, evals, etc.). ✅ You know how to set technical standards while ...

role has become available at a company developing the latest in IoT payment technology for a Mobile App Developer with experience in React Native development. With this payment solution being used by financial institutions, wearable manufacturers as well as events and stadium owners, the possible applications of this secure payment … well as developing other supporting applications with the rest of the development team. They are looking for someone that has strong experience in React and React Native as well as hands-on experience with native iOS and Android. This role is mostly working from home. You would need ...

role has become available at a company developing the latest in IoT payment technology for a Mobile App Developer with experience in React Native development. With this payment solution being used by financial institutions, wearable manufacturers as well as events and stadium owners, the possible applications of this secure payment … well as developing other supporting applications with the rest of the development team. They are looking for someone that has strong experience in React and React Native as well as hands-on experience with native iOS and Android. This role is mostly working from home. You would need ...

within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep … following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small ...

within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep … following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small ...