476 to 500 of 626 React Jobs in England

Remote Senior Software Engineer - LLM Evaluation (US-based)

Hiring Organisation
Turing
Location
Oxford, Oxfordshire, UK
examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional … Work on AI model training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross ...

Remote Senior Software Engineer – LLM Evaluation (US-based)

Hiring Organisation
Turing
Location
East London, London, United Kingdom
examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional … Work on AI model training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross ...

Remote Senior Software Engineer – LLM Evaluation (US-based)

Hiring Organisation
Turing
Location
Bury, Greater Manchester, United Kingdom
examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional … Work on AI model training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross ...

Remote Senior Software Engineer – LLM Evaluation (US-based)

Hiring Organisation
Turing
Location
Leeds, West Yorkshire, United Kingdom
examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional … Work on AI model training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross ...

Remote Senior Software Engineer – LLM Evaluation (US-based)

Hiring Organisation
Turing
Location
Central London / West End, London, United Kingdom
examples, providing precise solutions, and making corrections — with a primary focus on Python across backend services, data pipelines, and ML infrastructure, alongside JavaScript (including ReactJS), C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code for efficiency, scalability, and reliability, and work with cross-functional … Work on AI model training initiatives by curating code examples, building solutions, and correcting code — primarily in Python, with additional work in JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate with cross ...

Full Stack Data Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
pipelines, data modelling, and analytics workflows Application development: Support development of user-facing tools and dashboards using modern frameworks such as TypeScript and React where required Data platforms: Work across enterprise data platforms (including low/no-code environments such as Palantir Foundry or equivalent) to integrate, transform, and operationalise … experience with Python, SQL , and exposure to data engineering concepts (ETL, data modelling, pipelines) Experience with or ability to quickly pick up TypeScript/React/modern front-end tooling Exposure to enterprise or regulated environments (public sector, financial services, defence, or similar) Active Security Clearance (SC) is essential Strong ...

Full Stack Engineer - AI

Hiring Organisation
Salt
Location
England, United Kingdom
Senior Full Stack Engineer (.NET/React/Azure/AI) 📍 UK (Remote) 💰 £70,000 + Benefits The Opportunity We’re partnering with a rapidly growing AI & Cloud consultancy that is building something genuinely different in the market. This isn’t just another consultancy role. You’ll work across: 🚀 Cutting … clean architecture Asynchronous programming, concurrency & performance tuning TDD, unit testing & integration testing Code quality gates & peer review discipline Secure coding practices Frontend Engineering TypeScript React Next.js Modern frontend patterns (hooks, state management, server/client data fetching) Robust API integration & error handling Identity & Security Architecture Authentication & authorisation design SSO flows ...

Application Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
maintain our software applications, provides technical leadership, and collaborates with stakeholders to meet business needs Main Accountabilities Application Development - experience with creating Python, Django, ReactJS applications Experience in administering Microsoft SQL servers, PostgreSQL and other relational database management systems, maintenance plans, database user and security audit with a proven track … full development lifecycle from design and planning through to development, testing and deliver Knowledge and Expertise Essential: Strong working knowledge of programming (Swift, ReactJS, Docker, Django, Python, HTML 5) and techniques thereof Excellent working knowledge of relational database management systems including SQL. Expertise in provision, implementation, maintenance and evolution ...

Junior Fullstack Engineer

Hiring Organisation
Medly AI
Location
London Area, United Kingdom
mobile products. You will play a pivotal role in high-impact projects across our entire stack, from crafting polished user interfaces in Next.js and React Native to building robust backend services in Python. This is a high-impact opportunity for someone eager to learn fast, take ownership, solve real problems … help power the next generation of educational technology. Role Responsibilities Build and maintain features across our web app (Next.js) and mobile app (React Native) Contribute to our Python backend and help improve API performance Collaborate on database design and write efficient queries in Postgres Work with AWS services to deploy ...

Full Stack Developer (.NET / React)

Hiring Organisation
Avanti
Location
Houghton Regis, Dunstable, Bedfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Full Stack Developer (.NET/React) Location: Luton (On-site) Salary: £45,000 - £55k We’re working with a growing, family-run business in Luton who are investing heavily in technology and automation. They’re looking for a Full Stack Developer to join a small, hands-on team working across … Doing • Building and maintaining applications using C#/.NET Core • Developing and integrating REST APIs • Working on front-end features using React (or similar frameworks) • Supporting and improving existing internal systems • Contributing to new automation and AI-driven projects What They’re Looking For • Commercial experience with C# and .NET ...

Full Stack Engineer TypeScript Python

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
from ideation, through design and build, to shipped and in customer hands. You'll work across frontend and backend using TypeScript, Python and React Native and you'll have a real say in product development, collaborating with sales team members, designers and the rest of engineering to turn ideas into … flexibility to work from home. About you: You have strong full stack software engineering experience You have strong TypeScript and Python skills, combined with React and React Native You're comfortable writing SQL and working with both transactional (Postgres) and analytical (ClickHouse) databases You can take a feature from your ...

Senior Software Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
real business needs rather than short-term fixes. THE ROLE Design, build, and evolve backend services using Node.js Contribute to and lead development of React/Next.js front-end applications Take ownership of features from discovery through to delivery, thinking through priorities, trade-offs, and long-term impacts Help shape … engineers, providing guidance and reviewing approaches rather than simply approving code Ensure code quality, performance, and maintainability across the platform TECH STACK Node.js (backend) React/Next.js (frontend, React being the priority) AWS (open to other clouds) Python is a nice-to-have, mainly for data and AI-related work ...

Hybrid Python Senior Software Engineer

Hiring Organisation
Velocity Talent Ltd
Location
Manchester, UK
Employment Type
Full-time
role is built for a technical leader who prioritizes high-impact delivery over routine maintenance. Tech Stack Backend: Python, FastAPI, Ruby on Rails Frontend: React.js, Next.js, React Native Cloud: AWS, Terraform, Ansible, Docker Logging & Monitoring: Splunk Practices: Cross-functional squads... ZIPC1_UKTJ ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT ) Front-End Development Build modern, responsive UIs using React (18+) and TypeScript Integrate components into existing web applications (Angular or similar) Apply best practices for performance, accessibility (WCAG 2.1 AA), and UX Contribute ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, UK
Employment Type
Full-time
Description Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT) Front-End Development Build modern, responsive UIs using React (18+) and TypeScript Integrate components into existing web applications (Angular or similar) Apply best practices for performance, accessibility (WCAG 2.1 AA), and UX Contribute ...

Frontend Developer

Hiring Organisation
Maxwell Bond
Location
Cheshire West And Chester, England, United Kingdom
React/Frontend Developer Cheshire (one day a week onsite) Up to 60K We’re working with an exciting client in the finance sector who is looking to add an experienced React Frontend Developer to their growing engineering team. This is a fantastic opportunity for someone who enjoys working across … frontend best practices Supporting mobile application development for app store deployments What We’re Looking For: Around 5 years of frontend development experience using React Strong commercial experience with JavaScript and TypeScript Solid understanding of HTML and CSS Experience working in agile development environments Ability to work independently and collaboratively ...

Lead Front End Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
deliver seamless user journeys Drive best practices across code quality, testing, and documentation Continuously improve the platform and reduce technical debt Tech Stack React/Next.js TypeScript CSS/Tailwind API integrations AWS, Docker, CI/CD About You Strong experience with React, Next.js, and modern frontend development Previous experience ...

Front End Developer

Hiring Organisation
Proactive Appointments
Location
Bridgwater, Somerset, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Front End Developer (React.js) Permanent | Somerset | Hybrid (2 day on-site per week) | Up to £50,000 per annum Our client, a leading organisation currently expanding their software development function. This is an exciting opportunity to join a growing team and play a key role in building and improving modern … applications Experience Required: 3–5 years’ experience in front-end development Strong knowledge of JavaScript and TypeScript Solid experience with React , including hooks and state management Experience integrating front-end applications with REST APIs Familiarity with NodeJS , NPM , and Git Good problem-solving skills and attention to detail Strong communication ...

.NET Dev (Start-up)

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
features and data workflows Debugging, testing, and improving system performance Working closely with the business to help automate operational processes TECH STACK .NET (backend) React (frontend) MySQL AWS Python (AI and data models) Experience Required 3+ years of experience in software development Strong .NET experience Some front-end (React ideally ...

Senior Full Stack Software Engineer

Hiring Organisation
Octopus Energy Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. Our tech stack … Python with GraphQL, React with , PostgreSQL and noSQL databases, running on AWS. What you'll do... Work within a dedicated cross-functional team on key products for our customers or our internal teams. Build APIs and integrate with our own and third party services to optimise and automate processes. Develop ...

Full Stack Developer

Hiring Organisation
Morson Edge
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£45,000
Engineer to join our growing engineering team, working on modern, scalable products used across multiple markets. You'll be developing full stack solutions using React, Node.js, TypeScript, and GraphQL/REST, building reusable frameworks and APIs that support multiple products. You'll design scalable PostgreSQL data models, contribute to secure … identity and authentication services, and apply strong DevOps practices, including test automation, CI/CD, and monitoring. Developing full stack solutions using React, Node.js, TypeScript, and GraphQL/REST. Building reusable frameworks and APIs that support multiple products. Creating scalable data models with PostgreSQL. Designing and supporting secure identity ...

.NET Developer

Hiring Organisation
Reed Technology
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£55,000
modern, cloud-first application from the ground up, leveraging the latest Microsoft and open-source technologies. Expect to work with: MS .NET (latest versions) React for a clean, dynamic front-end Microservices architecture Azure cloud services Modern DevOps tooling & CI/CD Unit Testing This is a role for someone … need to tick every box - passion and aptitude matter most. But ideally, you'll bring: Solid experience in .NET development Knowledge of React or another modern JavaScript framework Familiarity with Azure and cloud-native development Understanding of microservices , APIs, and modern architectural patterns Curiosity, enthusiasm, and a desire to work ...

NextJS Frontend Developer

Hiring Organisation
Techaxis, Inc
Location
City of London, London, United Kingdom
Frontend Developer specializing in Next.js, you will be responsible for building fast, SEOfriendly, and highly performant web applications using React, TypeScript, and modern renderingstrategies. You will work closely with UI/UX designers, backend teams, and architecture groups to deliver responsive, usercentric, and scalable digital solutions. This role blends frontend … teams and translate business requirements into solutions. • Identify dependencies and coordinate activities across different workstreams. Your Profile • Handson experience with Next.js. • Strong proficiency in React, TypeScript, CSS, and HTML. • Experience working with CMS tools such as Storyblok is a strong advantage. • Understanding of APIs and exposure to Node.js (nice ...

Senior Frontend Developer

Hiring Organisation
The ONE Group Ltd
Location
Cambridge, England, United Kingdom
Location: Cambridge (On-site) Job Type: Full-time, Permanent Salary: £70,000 Are you a frontend software developer with experience in React or Angular? If yes, this could be your ideal next role! A well-funded, research-led technology start-up is seeking a Mid–Senior Front-End Developer … front-end function, it remains hands-on and development-focused. What You’ll Be Doing: Designing, building, and maintaining modern front-end applications using React or Angular. Taking ownership of projects from prototype through to production deployment. Translating complex technical workflows into clean, user-friendly interfaces. Ensuring performance, scalability ...

Frontend Developer

Hiring Organisation
Brio Digital
Location
Greater Leeds Area, United Kingdom
contributing to the design, development, and deployment of modern front-end solutions. Key Responsibilities Develop and maintain responsive, high-quality front-end applications using React and TypeScript Collaborate with designers, backend engineers, and product teams to deliver seamless user experiences Integrate front-end components with AWS-hosted services and APIs … improvement of the front-end stack Work within an agile environment, participating in ceremonies and sprint planning Essential Skills & Experience Strong commercial experience with React and TypeScript Experience working with AWS services (e.g. Lambda, API Gateway, S3, CloudFront) Proven experience delivering projects within the NHS or wider healthcare sector (must ...