751 to 775 of 2,619 Permanent React Jobs

Full Stack Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
technical usersCreating low-code/no-code WYSIWYG tools, which enable application builders within Foundry to build products for their usersTechnologies We UseTypescript, React, and GQL are central to our frontend development. Blueprint as a re-usable front end component library. A combination of open-source and internal technologies that ...

Software Engineering Senior Front End Developer - eSC or eDV Clearance Required Professional Mu[...]

Location
Greater London, England, United Kingdom
account‐level delivery. Required education None Preferred education Bachelor\'s Degree Required technical and professional expertise Hands‐on experience with modern frameworks such as React, Vue.js, or Next.js, including component‐driven architecture and state management patterns. Strong understanding of responsive design principles, accessibility standards (WCAG), and user‐centric usability best ...

Senior Front End Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
with signal directly from our forward deployed engineers and deployment strategists to rapidly evolve our product to meet real world requirements. Technologies We UseTypescript, React, and GQL are central to our frontend development. Blueprint as a re-usable front end component library. A combination of open-source and internal technologies ...

Senior Software Engineer - API Enterprise - Full-Stack

Location
Greater London, England, United Kingdom
design fundamentals and system design are core to how you work. Roughly 80‐90% of the work is backend; working on the frontend (React/TypeScript) is a welcome plus, not a requirement. Enterprise Platform Fluency: You bring hands‐on experience with the building blocks of modern enterprise APIs ...

Senior Engineering Manager - 9-10 month FTC

Location
Manchester, England, United Kingdom
highly scalable cloud and distributed systems. The environment includes: C#/.NET and Node.js/TypeScript across modern backend and full‐stack development. React and GraphQL within our web and API ecosystem. AWS , including cloud and serverless architecture. OpenSearch , alongside integrations with our content management, search and recommendations capabilities. Terraform ...

Senior Engineering Manager - 9-10 month FTC

Location
Greater London, England, United Kingdom
highly scalable cloud and distributed systems. The environment includes: C#/.NET and Node.js/TypeScript across modern backend and full‐stack development. React and GraphQL within our web and API ecosystem. AWS , including cloud and serverless architecture. OpenSearch , alongside integrations with our content management, search and recommendations capabilities. Terraform ...

Senior Java Backend Engineer

Hiring Organisation
CYNET SYSTEMS
Location
West Chester, Pennsylvania, United States
Employment Type
Permanent
Salary
USD Hourly
Pay Range: $55.00hr - $60.00hr Job Overview: Our organization is seeking an experienced Senior Java Backend Engineer to join the dynamic engineering team. In this role, the candidate will design, develop, and deploy scalable web, enterprise ...

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
requirement exposes a gap in the platform, you name it and propose what should exist. You own feature architecture end to end, from the React frontend through our Kotlin and Spring services, across data stores and events, down to Azure. You decide what goes where, and push hard … able to reason about them, not to be a Python specialist. Fluency across the boundary: you can read and reason about a React/TypeScript frontend and hold a serious conversation about Kubernetes, cloud networking and cost. You work well with Product. You've partnered closely with ...

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
schemas to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using industry-standard practices. Develop and maintain web interfaces using ReactJS Implement and maintain state management using tools such as Redux or React Query Collaborate with frontend developers to ensure efficient API integration and a seamless ...

Senior Full Stack Developer | C#.NET, React | London

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
Responsibilities Design, develop, test, and maintain scalable services using C#/.NET (ASP.NET Core) and RESTful APIs. Build responsive, accessible user interfaces using React, TypeScript, HTML, and CSS.Implement secure authentication/authorisation (e.g., OAuth2/OIDC) and follow secure coding practices. Optimise performance, reliability, and observability (logging, metrics, tracing).Work … experience in full stack development with C#/.NET and React. Strong knowledge of .NET Core, dependency injection, asynchronous programming, and API design. Strong React experience including state management and modern front-end tooling. Solid understanding of software design principles, patterns, and clean code practices. Experience with SQL databases ...

Senior Java Full-Stack Tech Lead | Hybrid & Learning Budget

Location
Manchester, England, United Kingdom
will work in an Agile environment, delivering bespoke software and leading engineers across the full software lifecycle. A strong focus on Java, AWS, React/TypeScript and DevOps is essential for success. #J-18808-Ljbffr ...

Remote Senior Software Engineer – AI Training Projects

Location
Greater London, England, United Kingdom
quality, and optimizing performance across multiple repositories. You will work on backend and full-stack tasks using Python, Java, Node.js, Go, Rust, C++, and React, with an emphasis on scalable, robust solutions for AI training pipelines. #J-18808-Ljbffr ...

Senior Software Engineer - Java, Cloud & DevOps (Remote)

Location
Greater London, England, United Kingdom
with potential remote/hybrid options depending on role and site requirements. Applicants should have strong Java/Spring Boot experience, modern frontend skills (React/Vue), cloud and DevOps capabilities, and experience with Docker/Kubernetes, IaC tools, and data platforms. #J-18808-Ljbffr ...

Secure Java Fullstack Engineer (DV Cleared)

Location
West of England, England, United Kingdom
Bangura Solutions Limited in the United Kingdom is seeking a long-term Java Developer to work on a secure programme, delivering frontend (Vue/React/Angular) and backend Core Java solutions. You will be part of a team that emphasizes secure development, code reviews, and Agile methodologies. The ideal ...

Senior Full-Stack .NET Developer — Relocate to Malta

Location
Greater London, England, United Kingdom
hybrid work, a Visa and relocation package to Malta, and collaboration with global teams. The ideal candidate has 5+ years with .NET C#, TypeScript, React, and CSS3 (Bootstrap), and a track record delivering enterprise solutions. Salary paid in Euros with base + benefits. #J-18808-Ljbffr ...

Hybrid Senior Full-Stack Tech Lead — Java/AWS

Location
West of England, England, United Kingdom
build bespoke software addressing complex operational challenges. The role focuses on leading engineers, designing architectures, and delivering full-stack solutions using Java, JavaScript, React and TypeScript, with AWS cloud deployments and CI/CD pipelines. #J-18808-Ljbffr ...

Remote Software Engineer — Build Scalable, Impactful Apps

Location
Redditch, England, United Kingdom
requirement to attend the Redditch office at least once a month. You will collaborate with cross-functional teams, write and test code in JavaScript, React, NodeJS, Python, SQL, and CSS, and contribute to SDLC and Agile processes. #J-18808-Ljbffr ...

Principal Software Engineer - Lead Critical Systems & Cloud

Location
Greater London, England, United Kingdom
will work in a cross-functional team, delivering and deploying critical software across multiple business areas. The role requires hands-on experience with React/NextJS, TypeScript, Python and Java REST APIs, plus cloud, containers and CI/CD. Familiarity with OpenAPI, Docker, Kubernetes, Terraform and GitLab is highly valued. ...

Senior Software Engineer — Public Sector, Remote & DevOps Mentor

Location
Manchester, England, United Kingdom
outcomes over feature lists, and evolve with cloud, DevOps, and modern software practices. Ideal candidates will have experience with Java, Ruby, Python, ES6/React, and C#/.NET Core, and enjoy coaching others while writing clean, maintainable code. #J-18808-Ljbffr ...

Senior Software Engineer — Public Sector, Remote & DevOps Mentor

Location
Swansea, Wales, United Kingdom
outcomes over feature lists, and evolve with cloud, DevOps, and modern software practices. Ideal candidates will have experience with Java, Ruby, Python, ES6/React, and C#/.NET Core, and enjoy coaching others while writing clean, maintainable code. #J-18808-Ljbffr ...

Senior Software Engineer - AI-Driven FinTech Platforms (Remote)

Location
United Kingdom
services. You’ll design platforms, services and front-ends that bring models to life for advisers and banking teams, working with Node.js/TypeScript, React and AWS. This remote-first UK role collaborates with product and AI specialists to ship reliable features and unlock scalable, compliant AI-powered solutions. #J ...

Senior Software Engineer — Public Sector, Remote & DevOps Mentor

Location
Greater London, England, United Kingdom
outcomes over feature lists, and evolve with cloud, DevOps, and modern software practices. Ideal candidates will have experience with Java, Ruby, Python, ES6/React, and C#/.NET Core, and enjoy coaching others while writing clean, maintainable code. #J-18808-Ljbffr ...

Senior Java Engineer – Remote, Full-Stack, Cloud & Ownership

Location
Bath, England, United Kingdom
full software lifecycle from requirements and design through development, testing, deployment and support. The environment is Java-centric with TypeScript/JavaScript and React, deployed on AWS, Azure and private clouds. Remote-first with occasional on-site visits, offering ownership and clear progression into #J-18808-Ljbffr ...

Senior .NET Developer — Trading IT Platform

Location
Greater London, England, United Kingdom
Trading Ltd is seeking a Senior .NET Developer to design, build, and maintain multi-asset class applications. The role focuses on Angular front-end (React acceptable) with C# .NET Core backend, Web API, and strong UX considerations. You will collaborate with IT and business teams, contributing to architecture, testing ...

Senior Full Stack Developer

Location
Belfast, Northern Ireland, United Kingdom
with product and design teams Write clean, maintainable code Participate in code reviews Requirements 5+ years of full-stack development experience Expert knowledge of React and Node.js Experience with TypeScript Strong understanding of database design Experience with cloud platforms (AWS/Azure) #J-18808-Ljbffr ...