201 to 225 of 1,402 React Jobs in England

Forward Deployed AI Engineer

Location
Birmingham, England, United Kingdom
token and context‐window management. Agentic architecture: Built and shipped multi‐agent or agentic workflows, planner/router patterns, supervisor and sub‐agent designs, ReAct‐style loops, state and checkpointing, retries and interrupts, human‐in‐the‐loop review gates. Frameworks: At least one of: Anthropic Agent SDK, LangGraph, LlamaIndex ...

Principal Engineer

Hiring Organisation
United Kingdom Government
Location
Salford, Lancashire, United Kingdom
Salary
£ 80 K
large-scale, secure, data-intensive services, with the following essential skills:Leading the design and evolution of enterprise-scale NodeJS services (e.g. NodeJS, React, RESTful APIs, microservices) to ensure performance, scalability, and resilience in a live operational environment. (PROG) Defining and assuring software design standards, coding practices, and engineering governance ...

Principal Engineer

Hiring Organisation
United Kingdom Government
Location
Sheffield, South Yorkshire, United Kingdom
Salary
£ 80 K
large-scale, secure, data-intensive services, with the following essential skills:Leading the design and evolution of enterprise-scale NodeJS services (e.g. NodeJS, React, RESTful APIs, microservices) to ensure performance, scalability, and resilience in a live operational environment. (PROG) Defining and assuring software design standards, coding practices, and engineering governance ...

FullStack Developer

Hiring Organisation
DNS Info Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
Days Onsite London. We are looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop … Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks Responsive UI development Databases PostgreSQL, MySQL, SQL Server MongoDB (preferred) Cloud & DevOps AWS, Azure, or GCP Docker ...

Contract ASP.Net Core Full Stack Software Engineer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
have:· Comp Sci degree or similar experience· Some commercial software development experience· C# ASP.Net/.Net Core/MVC· An interest in Angular/React/Blazor SPA· Advance SQL· Git/BitbucketThe Culture of the firm is startup esc with a flat team structure and a great group ...

Junior C# Full Stack Software Engineer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
skills.· Comp Sci degree or similar experience· Some commercial software development experience· C# ASP.Net/.Net Core/MVC· An interest in Angular/React/Blazor SPA· Advance SQL· Git/BitbucketThe Culture of the firm is startup esc with a flat team structure and a great group ...

Senior Digital Developer

Hiring Organisation
NHS Blood and Transplant
Location
England, S75 3FG, Manchester, M13 9LL, London, NW9 5BG, Bristol, BS34 7QH, Liverpool, L24 8RB, SW17 0RB, Barnsley, Birmingham, B15 2SG, United Kingdom
Salary
£49387.00 to £56515.00
Blood Donor Portal, Give Blood app and NHSBT websites. Youll help design and build modern, cloud-based solutions using technologies such as C#, React, React Native and Python, alongside microservices, content platforms and emerging AI capabilities. The team also supports wider digital transformation across the donation journey, replacing legacy ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible ...

Senior Full Stack Engineer (Frontend Focus)

Hiring Organisation
Intellectual Capital Resources
Location
London, United Kingdom
Salary
£ 100 K
managing and interacting with AI systems Design and implement web APIs supporting frontend functionality Required Skills Strong experience with TypeScript Deep knowledge of React Experience with Node.js Solid understanding of HTML & CSS Proven ability in UI/UX and graphical/web design Nice to Have Experience with Python ...

Full Stack Java Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Highly motivated· Delivery focused and accountable.Additional exposure to the following is desired: – Tech Stack you will learn· Hadoop and Flink· RUST, Javascript, React, Redux, Flow· Linux, Jenkins· Kafka, Avro, Kubernetes, Puppet· Involvement in the Java communityMy client is based London. Home work is encouraged but you will need ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

.Net developer

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or wider AWS services. Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process! Randstad Technologies Ltd is a leading ...

x2 D365 CE Developers

Hiring Organisation
Experis
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Terraform or ARM D365 FinOps/X++ EventGrid or wider messaging patterns Performance monitoring and observability tooling Front-end frameworks such as Angular or React Why apply? This is a strong opportunity for a D365 CE Developer who enjoys working across development, integration and solution design. You'll be joining ...

Full Stack .net Core Developer – Fintech50- Bath

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
technical skills in the .NET Core 2/3Strong C#NET WebAPIDocument oriented databases (MongoDB, DocumentDB or others)GraphQL experience (Frontend/backend)Strong React/TypeScriptSingle Page ApplicationBDD/TDDESTful API design and developmentKnowledge and experience with Git and GithubCloud experience will be gained as they are currently running ...

Principal Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Newbury, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£70000/annum Birthday off, private medical
technology stack includes: Java/Kotlin and Spring Boot PostgreSQL and MongoDB Microservices and event-driven architecture RabbitMQ, Docker and Kubernetes Azure Cloud TypeScript, React and Angular You'll remain close to the code while also helping shape technical direction, engineering standards and architecture. You'll mentor other engineers, evaluate ...

Frontend HTML5 Developer- Slough

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Tech: HTML5 CSS3 JavaScript Angular/React Challenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Pay: 70k, Share Options Firm: Global Software firm in the business intelligence and Performance space.Frontend HTML5 DeveloperQuant Capital is urgently looking for a Frontend HTML5 Developer to join ...

Security Cleared Software Engineer

Hiring Organisation
fortice
Location
Cheltenham, Gloucestershire, United Kingdom
Salary
£ 60 K
involvement in various projects allow them to consider Developers irrespective of your stack. Skills in the following areas are highly desirable:Front End – React | Redux | HTML | CSS | JavaScript | Angular | TypeScriptBack End – Node | Java | Python | Spring Boot | MongoDB | GolangTooling – Git | Maven | Jenkins | DockerCloud – AWS | AzureYou will be working on an interesting ...

Lead Backend Engineer - Technologist

Hiring Organisation
Client Server
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
level You have strong software engineering experience with a range of technology e.g. C#, .Net, Python, TypeScript, C++, Rust, RESTful APIs, Vue.js, React, PostgreSQL, CI/CD, Cloud (AWS, Azure, GCP), DevOps You have advanced communication and client relationship building skills gained within a consultancy environment You have strong business ...

Software Engineer

Hiring Organisation
Searchability
Location
Newark, Nottinghamshire, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
SOFTWARE ENGINEER £35,000 - £40,000 Hybrid - 2 days on-site in Newark C#/.NET/ReactJS/Azure/SQL Server/REST APIs THE ROLE A growing, product-led software business is looking for a Software Engineer to join its Product Development team on a hybrid basis ...

Application Support Lead Apprentice

Hiring Organisation
OMNIA SMART TECHNOLOGIES LTD
Location
England, United Kingdom
Employment Type
Higher Apprenticeship
Salary
£16,800 a year
cloud-hosted applications Support ticket triage and ensure application support requests are managed efficiently Learn modern software delivery and development practices using technologies including React, TypeScript, Node.js, Python, PostgreSQL, Docker and AWS Training Velocity apprenticeship training programmes are delivered virtually by our fully qualified and industry experienced training team Using ...

Senior AI Developer

Hiring Organisation
Tribe Appointments Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
wider engineering team. Contribute to product and delivery strategy, identifying opportunities to package AI capabilities. Required Skills & Experience Strong full-stack development experience (React/Node.js, .NET/C#, Python/FastAPI). Proven background delivering production software in client-facing environments. Experience with LLM integration, prompt engineering ...

Software Engineering Squad Lead

Location
Manchester, England, United Kingdom
APIs Strong stakeholder management and communication skills, with the ability to influence technical decisions Experience with modern technologies such as Node.js/TypeScript and React or Angular Knowledge of CI/CD, automated testing, version control, and Agile delivery practices Familiarity with cloud platforms (e.g. AWS) and containerisation (e.g. Kubernetes ...

Senior Full Stack Developer

Hiring Organisation
Computer Futures
Location
West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
Operations stakeholders to deliver high-quality software solutions. Key Responsibilities Software Development & Solution Delivery Design, develop and maintain high-quality applications and services using React, TypeScript and .NET/C# . Take ownership of complex technical solutions from initial design through to deployment and operational support. Deliver scalable, secure ...