276 to 300 of 374 React Jobs in London

Lead Software Engineer - .NET/Azure/React - Remote First Are you the kind of Lead Software Engineer who enjoys taking a fairly messy collection of systems, data feeds, portals, and legacy platforms and gradually turning it into something modern, scalable, and genuinely slick? Maybe even enjoy the challenge … looking for: Strong Senior/Lead .NET Developer background Deep experience with .NET, Azure, SQL, and modern backend architecture Some frontend experience with React or Angular (this is heavily backend leaning, not a 50/50 split) Strong experience building business-critical platforms, customer portals, subscription systems, or data-heavy ...

maintaining product features as part of a cross-functional engineering team, working to a planned roadmap in the core engineering team (Typescript/React) for this product Acting as the primary engineering contact during Australian off-hours, providing first-line engineering coverage within standard UK working hours. Investigating production issues … ongoing knowledge transfer. Contributing to post-incident reviews and long-term reliability improvements. What you need to bring Strong front end engineering experience with React, TypeScript and modern JavaScript. Practical, hands-on experience with AWS production systems, including SQS for message processing and SES for transactional email delivery. Experience running ...

universe. We’ll trust you to: Build intuitive, production-grade product experiences for engineers working with data. Design and implement full-stack workflows across React-based interfaces, APIs, and backend services. Build control-plane systems that turn complex data infrastructure into simple, reliable user actions. Apply design thinking to technical … technical direction of the platform. You’ll need to have: Strong professional software engineering experience building production systems. Experience building reliable frontend applications using React, Vue, or a similar modern UI framework. Backend engineering experience in Java, Kotlin, Scala, Go, or another production backend language. Strong systems fundamentals across distributed ...

agents — ship product features with significant LLM integration; contribute to the voice agent backend and information extraction systems Work across the stack — ship workable React/TypeScript frontend for product features; not a frontend specialist, but comfortable and pragmatic Collaborate with product and design — translate ambiguous requirements into concrete shipped … recruiting tech, marketplaces, or matching systems The Stack A modern Python stack: FastAPI, Postgres, Redis, Docker, Pydantic AI , running on GCP. Frontend in React/TypeScript. We iterate fast and keep the codebase clean. What We Offer Above market salary — we’re building a world class team and believe ...

About Circuit Mind: Electronic circuit boards are at the core of current and future inventions - space travel, medical robotics, autonomous transportation, augmented reality, bio-engineering. Yet today designing an electronic circuit board is an extremely ...

things./p p Technically, you’re still very hands-on. Strong software engineering fundamentals are a given. The current environment spans AWS, TypeScript (React/React Native), and data infrastructure (Postgres, MongoDB, pipelines). That said, strong Python backgrounds - especially from ML-heavy environments - are highly relevant. What matters ...

billion. For more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Job Description: UI Developer (React/TypeScript) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. … across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management libraries ...

team Ability to focus on promptly addressing customer needs Excellent written and verbal communication skills in English Preferred qualifications, capabilities and skills Proficiency in React framework Building applications using React Nativein TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIsand GraphQL ...

Senior Full Stack Software Engineer | London | £100,000 - £150,000 | Python | React Location: London-based (hybrid) Salary: £100,000 - £150,000 + equity Tech Stack: Backend: Python (Flask or FastAPI or Django) Frontend: React, TypeScript Cloud Systems: GCP or AWS Are you a software engineer who enjoys shipping real products … What you will be doing: Designing, building, and maintaining backend services and APIs using Flask & FastAPI Building and evolving user facing web components using React/TypeScript Integrating third party services and AI models into production workflows Investigating production issues and contributing to root cause analysis Collaborating closely with product ...

people every day. You'll take ownership of frontend features end-to-end from scoping and building to shipping and iterating using technologies like React, TypeScript and Next.js. Contribute to technical discussions and help shape the direction of features within your team Participate in the technical exploration and prototyping … into tangible software Build and maintain a strong network outside of your immediate team and across the organisation Strong frontend development experience, ideally with React or Vue applications Good understanding of JavaScript (ES6+) and modern JS tooling/frameworks such as Next.js, Redux Saga, Reselect and TypeScript Demonstrable experience with ...

here, both technically and in how engineering standards evolve across the business. What They're Looking For: Integration architecture (multi-service environments) TypeScript Node.js React Nest.js Azure or AWS System design (end-to-end platforms) Technical leadership (cross-team alignment) What You'll Work With: TypeScript & Python Next.js Node & React ...

Senior Fullstack Java Developer (IT) London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Angular React web Rails C mobile development Android Full-stack Objective-C Web Development Node.js iOS Swift Java Below is a snippet of the job description. … read the full text, please click on the "Apply Now" link. Suggested Qualifications Highly proficient in React, Swift, or Objective C, Java for mobile development; Rails, Node.js, and Angular for web development. Experience Requirements 5 to 7 years of extensive native mobile app (iOS & Android) development. Compensation £60K - £75K Role ...

systems quickly. Key Responsibilities Build and maintain full stack features across frontend and backend systems Develop user-facing interfaces using modern TypeScript frameworks (e.g. React) Design and implement scalable backend services and APIs Work closely with product, design, and editorial teams in a cross-functional environment Contribute to technical decisions … Experience as a Full Stack or Backend-leaning Engineer Strong commercial experience with TypeScript (Node.js and/or frontend) Comfortable building UI using React or similar frameworks Backend experience in TypeScript or another modern backend language Strong engineering fundamentals and system design understanding Comfortable working across the stack in collaborative ...

engineering quality as platform adoption grows Helping shape technical direction, engineering standards, and product evolution during a key scaling phase Tech Environment Python React or Angular Cloud Modern APIs and distributed systems AI workflows, orchestration systems, and automation platforms Event-driven architecture and intelligent document processing What They’re Looking … z2bz0 years of commercial software engineering experience with strong Python expertise Strong backend engineering capabilities combined with practical frontend experience using React or Angular Experience building and shipping production-grade SaaS or platform products Comfortable operating across multiple areas of the stack in fast-moving environments Strong understanding of scalable ...

days in the office) Contract Type: Permanent Salary: Up to £100,000 (DOE) Build end-to-end features across a modern tech stack (TypeScript, React, Node, Postgres, Redis, Kubernetes). Help shape the product's direction, from concept through to release, alongside product and design teams. Expand a growing third … release, collaborating with product and design teams. Write backend services using TypeScript, Node, Postgres, Redis, and Kubernetes. Develop frontend interfaces using TypeScript and React, ensuring a strong user experience and design craftsmanship. Expand and maintain the third-party integration marketplace, enabling seamless connections with external systems. Contribute to technical architecture ...

Full Stack Developer X2 (Mid-Level – React, Node) – Product Development (Remote, UK-based) £50k - £60k Full Stack Software Developer required to join our client’s growing Product Development team. This is a unique opportunity to work remotely in the UK, contribute to modern digital platforms, and shape the future … architecture They work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone ...

bonus + strong package Curated is partnered with a fast-growing InsurTech business looking to hire a talented Tech Lead from a modern .Net, React and TypeScript background as they continue to scale their engineering organisation. Backed by a global insurance enterprise, the business combines the pace and autonomy … businesses. Experience within Insurance or InsurTech is not required. What they’re looking for: • Strong Fullstack engineering background with deep expertise across .Net, Azure, React and modern web technologies • Experience leading projects, mentoring engineers, and helping drive technical direction within fast-paced teams • Strong understanding of scalable architecture, cloud-native ...

between teams and stakeholders. Technical Direction Oversee architectural decisions and ensure best practices in system design and scalability. Provide technical guidance in .NET backend, React frontend, and MS SQL database design. Ensure code quality, performance, and maintainability through reviews and standardization. Evaluate and implement tools, frameworks, and processes that improve … professional software development experience. 3+ years in a leadership or management role overseeing engineering teams. Strong expertise in ASP.NET Core, MS SQL, and React (or similar JS frameworks). Proven experience designing scalable, maintainable architectures. Excellent communication and stakeholder management skills. Preferred Experience managing cross-functional teams (Frontend, Backend ...

join as a Mid-Level Fullstack Software Engineer , helping scale AI data infrastructure used in high-growth enterprise environments while working across Python , React , cloud infrastructure , and distributed systems . Key Responsibilities Take ownership of full engineering work streams from discovery through to deployment and monitoring Translate loosely defined product … applications within startup or scale-up environments Strong backend development capabilities using Python based web frameworks Frontend development experience with modern JavaScript frameworks, ideally React or similar Comfortable shipping production software in fast-moving, low-process teams Experience working across cloud infrastructure and deployment environments is highly beneficial Exposure ...

frameworks, reusable components, and intuitive user experiences that support consistency and scalability across platforms. Key Responsibilities Design and evolve scalable UI systems across React, Angular, or Vue environments. Translate brand guidelines into reusable design systems, design tokens, and component libraries shared with engineering teams. Collaborate closely with frontend developers … design. Required Experience Proven experience as a UI/UX Designer within enterprise, SaaS, or digital product environments. Demonstrable experience translating brand guidelines into React, Angular, or Vue design systems, design tokens, and component libraries shared with engineers. Experience designing for complex, data-dense web products such as: Admin tools ...

mindset with ability to move quickly and own features end-to-end • Experience with TypeScript/Node.js strongly preferred • Experience with modern frontend frameworks (React/Next.js) is a plus for full-stack candidates • Strong understanding of system design, reliability, scalability, and observability • Experience in startups or fast-paced product … sponsorship is not available outside Europe • Must be willing to work fully onsite from the company’s Central London office Tech Environment: • TypeScript, Node.js, React, Next.js • AI-native workflows and internal LLM tooling • Distributed systems and real-time infrastructure • OpenSearch, SingleStore, Trigger.dev, Axiom • Modern cloud-native infrastructure and observability stack ...

your work helps shape a platform used every day by modern companies. What you will do: Implement and maintain features across the stack using React, TypeScript, Node.js, NestJS, PostgreSQL and AWS Collaborate closely with senior engineers, product and design to deliver well-scoped features from start to finish Participate … with support from senior teammates. What we are looking for: Proven experience shipping fullstack features in a product-driven team String skills with React, TypeScript, Node.js, and PostgreSQL Working knowledge of AWS services (ECS, RDS, S3, CloudFront, etc. Hands on with modern workflows and tooling, for example GitHub, GitHub Actions ...

Azure services , including Service Bus, API Management (APIM), Function Apps and Logic Apps Supporting pro-code extensibility using .NET and JavaScript , with exposure to React and Fluent UI for PCF controls (desirable) Engaging with emerging technologies such as Code Apps, AI-assisted development and 'vibe coding' approaches (desirable) Actively working … experience Strong expertise in Model-Driven Apps , with solid experience in Canvas Apps and PCF Good understanding of JavaScript-based frameworks used in PCF (React, Fluent UI - nice to have) Strong integration experience across Azure services, APIs and secure data exchange Experience working in Agile delivery teams with modern DevOps ...

C# Developer Location: London, Hybrid position 50% in officeKey Responsibilities * Software development and maintenance of sales tools applications, components and utilities. * Participate in an agile based software development life-cycle including analysis, documentation, development, testing ...

About us Causaly is redefining how humans acquire knowledge and develop insights in biomedicine. Our AI‐powered platform enables researchers and decision‐makers to discover and interpret evidence from millions of scientific publications, clinical trials ...