React Developer Jobs

hackajob is collaborating with Admiral Group Plc to connect them with exceptional professionals for this role. As a Senior Site Reliability Engineer (SRE), you will play a critical role in ensuring the reliability, performance, and scalability of our software systems and infrastructure. You’ll leverage your engineering expertise to design and deliver resilient platforms, improve observability, automate operations, an...

Contract Role: Full Stack Developer (React) Contract Location: London 4-5 days onsite each week Contract Start: Starting ASAP (inside IR35) Contract duration: End of 2026 Payroll provider: Rockford Payroll Info for Contingent Workers – Rockford Pay Deloitte are seeking a highly skilled Full Stack Developer to join our team and contribute to the design, development, and delivery of scalable, high-performance applicati...

UI Developer Electronic Trading We are recruiting for a Senior UI Developer to join a major financial services technology programme, working on a high-performance Single Dealer Platform supporting electronic trading. Based out of their City of London offices you will join on an initial 12 month contract. Key Responsibilities Lead UI development and front-end architecture. Build scalable, low-latency trading interface...

Senior Tech Lead / Principal Engineer About the Company An innovative, fast-growing FinTech is transforming the mortgage industry through technology and AI, with a mission to make borrowing more accessible and help mortgage brokers overcome affordability and risk challenges. The business has experienced significant growth, increasing annual lending volumes by over 80% to approximately £350m in 2025 , alongside major ...

Azure Cloud FullStack Developer 6 months Remote Inside IR35 - Umbrella This is a great opportunity for an Azure-focused FullStack developer who enjoys building reliable applications end to end. You'll work on healthcare-facing systems where secure, scalable solutions genuinely matter. What you'll be doing: Develop and integrate APIs to support modern application experiences Build and automate workflows using Azure Lo...

Full Stack Developer – Full-time, Permanent Technology: TypeScript, AWS, React, React Native Location: East Kilbride, Scotland (soon moving to Glasgow - hybrid working, 4 days per week in the office) Salary: Up to £60,000 per annum DOE Benefits The Opportunity: “Full stack” can sometimes mean maintaining an ageing application, switching endlessly between disconnected tasks, or being expected to cover every technical ...

Full Stack Developer - C# .Net/React/Azure - Hybrid - Leicester - £35,000 - £45,000 DOE The Role An exciting and welcoming Software House are looking for an ambitious and talented Software Developer to join their growing Development team. You will be working on various products including adding new features to systems designed specifically for international clients, to greenfield development on their new SaaS platfor...

SOFTWARE ENGINEER - JAVA / AWS Salary - £55k up to £85k DOE Hybrid working - Bristol Occasional travel to London - approximately once every couple of weeks Java & AWS essential | SC Clearance required ABOUT THE CLIENT Our client is a leading technology organisation delivering secure, business-critical solutions within the UK public sector. Working on high-profile projects for a major government department, you'll joi...

We are seeking experienced Full Stack TypeScript Developer to join our team and help build innovative, cross-platform applications using a unified architecture. You'll work across the stack - developing responsive frontends in React, building robust RESTful/GraphQL APIs with Node.js and Fastify, and creating desktop/mobile apps using Electron and React Native. Our unified approach ensures code reusability and consist...

We are seeking an experienced Principal Software Engineer to lead complex projects, and mentor teams in building scalable and reliable full-stack solutions. The person in this role will play a pivotal role in shaping the technical direction of our platform and ensuring its continued success. CMT is looking for a Principal Software Engineer I, Full Stack to help us change the world. CMT has helped protect over 65 mill...

We now have an exciting opportunity for a Senior Software Engineer to join the Operational and Regulatory Technology department for an award-winning investment platform, offering a collaborative team working environment, training and excellent career progression. Our strategy is to have a cross functional development team, with team members working on all areas of our technology stack and propositions. What to expect...

Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations. At Samsara, we are helping improve the safety, efficiency and sustainability of the physical operations that power our global economy. Representing more than 40% of ...

MCS Group is looking for a Cloud Engineer for a 3 - 6 month contract in Belfast. This contract will suit a Cloud Engineer with a full-stack/product engineering mindset and strong AWS and infrastructure-as-code capability. This is not a traditional DevOps or infrastructure-only role. You'll be comfortable working across the technology stack, helping to build the customer-facing applications people interact with, along...

UI Developer – Electronic Trading We are recruiting for a Senior UI Developer to join a major financial services technology programme, working on a high-performance Single Dealer Platform supporting electronic trading. Based out of their City of London offices you will join on an initial 12 month contract. Key Responsibilities Lead UI development and front-end architecture. Build scalable, low-latency trading interfa...

As a Software Engineer you will be a key contributor within a cross-functional engineering squad, responsible for building secure, scalable, and high-quality software with an increasing emphasis on AI-driven capabilities and intelligent agent development. You will work closely with Senior Engineers, the Engineering Team Leader, and the Architect to implement modern engineering practices, integrate AI models and agent...

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 of our products in a collaborative and progressive tech environment. As part of their team, you’ll help r...

Full Stack Developer Location: Hull - 2/3 days on-site Salary: £40,000 - £45,000 DOE We're working with a large, well-established UK organisation that is investing significantly in the growth of its digital capabilities. Following continued business success, they're expanding their engineering team to support the development of modern, customer-facing digital products built on a headless, API-first architecture. This...

Senior Software Developer C# .NET | React | GraphQL | AWS UK Remote | Monthly office visit Join a growing engineering team building and scaling a modern B2B SaaS platform. This is a genuinely hands-on Senior Developer role where you'll own features end-to-end, solve interesting technical problems and have a real say in how things are built. You'll work across a modern stack including C#, .NET, GraphQL, React, TypeScr...

Salary: £45,000 - 85,000 per year Requirements: 5 years of software engineering experience BS in Engineering, Computer Science, or equivalent experience required Strong production-grade React experience with a track record of delivering at scale Hands-on experience with at least two of Dash, Domo, Snowflake UI tooling, or comparable data visualisation platforms Experience building dashboards or data-intensive tools i...

Salary: £47,500 - 75,500 per year Requirements: 5 to 7 years of experience in Core Java, React, and cloud-native technologies Mandatory skills in AWS Infra Services, GCP DevOps, Java, and Kafka Experience with Kubernetes and Amazon AWS services Experience with multithreading, algorithms, and data structures Experience with RESTful APIs and gRPC Experience with JavaScript, TypeScript, HTML5, CSS3, and state management...

Salary: £45,000 - 85,000 per year Requirements: Must have React and Redux experience Have an excellent working knowledge of front-end technologies such as HTML, CSS, JavaScript Azure experience would be advantageous Must be comfortable working alongside other developers and designers We are looking for someone who is genuinely interested in our company and what we do Previously worked within an Agile environment or t...

Salary: £39,000 - 79,000 per year Requirements: Strong grasp of software design principles and the ability to provide constructive, objective feedback Experience in front-end development using ReactJS, JavaScript, and/or TypeScript Experience writing tests with libraries such as Jest, Cypress, or similar Ability to create and maintain reliable, reusable libraries Ability to tackle complex technical challenges with cr...

Salary: £61,000 - 101,000 per year Requirements: Bachelors degree in Computer Science, Engineering, Information Technology, or a related discipline, or equivalent practical experience. Minimum 3 years of professional software development experience. Strong programming skills in one or more languages such as Java, C#, Python, JavaScript/TypeScript, or Go. Experience with modern software architectures and technologies,...

Salary: £34,500 - 46,000 per year Requirements: Extensive background in front-end development with significant experience working with TypeScript and React Experience with Next.js, Angular or Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management Experience in...

Salary: £70,000 - 82,000 per year Requirements: Expertise in Generative AI, machine learning, and large language models. Hands-on experience with prompt engineering, agent development, and evaluation frameworks. Proven proficiency in Python AI/ML frameworks and the ability to write and review production-grade code across the full stack. Proven track record architecting and designing scalable solutions that move from ...