151 to 175 of 314 React Jobs in Central London

Hybrid) Salary : £100k–140k Equity : 1–3% (founding-level) Hybrid working: Central London, 3 days p/week in office. Tech Stack: TypeScript, Node.js, React, Python, LangChain, OpenAI/Anthropic I’m working with a YC-backed startup that’s building the next generation of AI-native analytics . This ...

traditional ML) Design and implement data strategies for AI development and training Requirements 4+ years' experience across Fullstack development (Python/Modern JavaScript (React, Vue or similar) Experience working with LLMs, Scientific tools Strong command of Python and relevant AI/ML frameworks Startup experience preferred Benefits Strong equity options ...

+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...

with less than 10 heads, and they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why this role stands out: Stealth-stage, high-impact ...

/data environments. Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement Deep hands-on experience with modern frontend frameworks (React, Typescript, etc) Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration Strong knowledge of API integration. Proven experience in developing ...

modern web technologies ·Make foundational technical decisions that shape the company’s trajectory Tech you’ll work with ·Python, LLMs, vector databases, knowledge graphs ·React/TypeScript, Supabase, AWS ·Agent frameworks (e.g., LangChain, LangGraph) What they are looking for · Ownership mindset: You think like a founder and execute without waiting ...

into insights and recommendations using AI/ML tooling Tackle technical debt and improve system robustness as we scale rapidly Tech Stack Node.js - NextJS React TypeScript Google Cloud Platform PostgreSQL, BigQuery If you’re looking for a role where you can build meaningful software, shape product direction, and work ...

/data environments. · Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement · Deep hands-on experience with modern frontend frameworks (React, Typescript, etc) · Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration · Strong knowledge of API integration. · Proven experience in developing ...

Location: London (hybrid) Salary: Up to £100,000 ( 10% DOE) + equity Tech Stack Python ecosystem - experience with Django, or Flask, or FastAPI TypeScript & React across the frontend - any frontend experience beneficial Cloud native environment This is not a “slot into an existing team” role. This is a build ...

platform reliability and user trust partnered closely with product and data teams and established a strong engineering culture. Technical Stack Experience Includes: Python Typescript React AI Fast API's Apply direct or email bradley.stott@wearenumi.com ...

Python to create robust, scalable server-side logic. Implement responsive and visually appealing front-end designs using HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue. Design and manage API integrations, ensuring seamless data flow between different software components. Work with SQL and NoSQL databases to store … proficiency in Java and Python. Hands-on experience with API development and integration. Solid understanding of HTML, CSS, JavaScript, and modern front-end frameworks (React, Angular, or Vue). Experience with databases (SQL and NoSQL). Familiarity with version control systems (Git). Knowledge of cloud platforms (AWS, Azure ...

.NET Developer, C# 14 - Global Technology Brand - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become … development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

Full Stack Engineer | .NET & React | Financial Services | London We’re partnered with a leading global energy and commodities organisation that’s investing heavily in its digital transformation journey. With a strong presence across EMEA, the Americas, and APAC, the business is scaling its in-house analytics platforms to drive smarter … data-led decisions across trading, logistics, and infrastructure operations. The role: As a Full Stack Developer , with proven skills in . NET and React , you’ll join a highly collaborative analytics team in London, helping to design and deliver scalable, high-impact applications that harness data from global operations. ...

Title: Senior Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: Up to £150k + Equity Tech Stack: Go, TypeScript, React (open to other strong technical backgrounds) ✅ What They’re Looking For Engineers who think like product owners Prior startup success or fast-paced environment experience ...

market-making Strong understanding of FX microstructure , order management, or regulatory flows Bonus experience: Spring Boot, Gradle, Solace, FIX, concurrent programming, JVM tuning, React/Vue Ability to utilise AI coding assistants effectively while maintaining code quality Strong communicator with the ability to influence technical and business stakeholders Degree ...

role in the company's growth plans for 2026+ Hands-On Engineering (50%) Contribute directly to the codebase, primarily across Django, AWS, React/Vue Lead architectural decision-making and system design Solve complex technical challenges and drive high-performance engineering Maintain high quality through code reviews and technical guidance ...

Actively experiment with and refine AI-assisted development workflows Have built LLM-powered systems or AI agents in production environments Tech Stack TypeScript monorepo React, tRPC, Tailwind Event-driven workflows and background jobs Deployed on Google Cloud Platform Postgres What’s On Offer £100,000 – £150,000 base salary (depending ...

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform … delivers robust solutions, with the ability to work under pressure in a fast-moving trading environment. Role & Responsibilities Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience Integrate the UI with RESTful and streaming APIs (built in Rust ...

sides and define how the application looks and how it works. Responsibilities: •7-9 years of experience in Developing and implementing UI components using React.js •Collaborating with cross-functional teams to design and ship new features •Building reusable components and front-end libraries for future use •Translating designs and wireframes … code reviews to maintain code quality and consistency Qualifications & Skills: •A degree in computer science, software engineering, or a related field •Proficiency in React.js and its core principles •Strong JavaScript, TypeScript HTML5, and CSS3 skills •Experience with popular React.js workflows (such as Redux) •Familiarity with RESTful APIs and integration •Knowledge ...

risk. Key Responsibilities: Design, develop, and maintain full-stack software using Python Build and integrate frontend components using HTML, CSS, and frameworks such as React or Angular Work with relational databases and data-driven applications Collaborate closely with data science and DevOps colleagues Deliver core MVP functionality in fortnightly Agile … practices Produce clear documentation throughout the SDLC Essential Skills & Experience: Expert-level Python development experience Strong full-stack capability, including HTML/CSS and React or Angular Expert understanding of the relational data model and databases Proven experience delivering software using Agile methodologies Experience with containerisation (e.g. Docker) Ability ...

.NET Developer, .NET 10.0, C# 14 - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise … software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given the opportunity ...

Staff React Engineer (TypeScript + AI Experience) We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster … sure you’re a good fit for the role: Key Responsibilities Lead the architecture, design, and development of scalable, high-performance web applications using React and TypeScript . Define and execute the front-end technical strategy , ensuring scalability, performance, and alignment with product and AI goals. Collaborate closely with ...

Node.js/TypeScript Python PostgreSQL & DynamoDB Serverless architecture & microservices Docker, CI/CD pipelines Cloud security & compliance (HIPAA/GDPR/NHS DTAC) Frontend React TypeScript Tailwind Component-driven development AI/RAG/Knowledge Pipelines LLM-powered features RAG pipelines (embedding models, chunking strategies, semantic search) Document extraction/… with doctors, engineers, and leadership to shape product direction. Full-Stack or Backend Engineering Build and ship cloud-first features using TypeScript/Node.js, React/Next.js, and AWS. Contribute to infrastructure-as-code and deploy serverless services. Help architect systems that scale to hundreds of thousands of clinicians. ...

Full Stack Developer - Java/React - London - Hybrid - Commodities Trading We’re seeking a Full Stack Software Engineer to join our Risk Technology team in London. This hybrid role offers the chance to work at the intersection of advanced engineering and global commodities trading. You should have strong experience … user-friendly web interfaces, and contribute to automation and support across the Risk technology stack. Core Skills: Advanced Java programming JavaScript/TypeScript with React Legacy codebase experience Linux & shell scripting SQL & RDBMS (PostgreSQL, Oracle) Strong problem-solving and communication skills Desired Skills: Exposure to Risk or commodities Python DevExpress ...

Entity Framework Core for database access and ORM operations. Build microservices and event-driven components. Frontend Development Develop responsive and modular UI components using React . Work with React Hooks , functional components, and state management (Redux/Context API). Ensure UI/UX best practices and high-quality front … 10+ years of professional experience in software development. Strong backend engineering with C#/.NET Core (6+). Solid experience developing REST APIs. Strong React development expertise. Proficiency with SQL Server, stored procedures, indexing, and performance tuning. Practical experience with Azure services: App Services, Functions, APIM, Service Bus, Key Vault ...