1 to 25 of 83 React Jobs in Portsmouth

backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work More ❯

Oriented Design, and a passion for learning and embracing new tech. Languages: Ruby-on-Rails, Java, Python, C#, PHP VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum and Kanban Key More ❯

/NoSQL databases , Elasticsearch , MongoDB , Spring Boot , REST/GraphQL APIs , and ORM frameworks like Hibernate. Strong proficiency in modern frontend technologies such as React , Redux , Vue , and TypeScript . Solid experience working in Agile/Scrum environments, ideally with globally distributed teams . Hands-on experience deploying applications on More ❯

shape technical architecture, contribute directly to code and collaborate closely with Agile teams to deliver secure and maintainable software solutions. Our projects primarily utilise React and TypeScript for front-end development with varied back-end technologies including Python, Node.js, .NET and Ruby. You'll benefit from robust DevOps support, established More ❯

SC Clearance Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or More ❯

testing frameworks Proficient with SQL Server and database design Experience developing RESTful APIs and web services Frontend: Strong experience with a modern frontend framework (React, Vue, Angular) and TypeScript Understanding of modern frontend development practices Experience with component-based architecture General: Experience with Git version control Familiarity with Azure cloud More ❯

Object-Oriented Design , and a passion for learning and embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C# ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full More ❯

be taught the rest, Strong object orientated design is a must. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full More ❯

work Strong knowledge of NodeJS and have experience building/maintaining a Node backend Strong knowledge of Typescript or another typed programming language Good React knowledge Good understanding of MySQL or a similar relational database Experience using Elasticsearch or a similar NoSQL database Experience working with messaging systems/pub More ❯

as ECS, EC2, and infrastructure as code tools like Terraform and Docker. Proficiency in modern development stacks, with a preference for Node.js, TypeScript, and React Experience working with cloud platforms and real-time databases, including GCP, Firebase, and AWS. Proficient in designing, developing, and working with REST APIs and AWS More ❯

strengths and weaknesses Experience with PHP frameworks: Symfony and Laravel Languages: PHP, Ruby-on-Rails, Java, Python, C# Frontend: VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns (TDD, DDD) Agile methodologies: Scrum and Kanban About You Self-motivated More ❯

detail. Excellent communication, driven by a positive attitude and empathy. Self-awareness and a desire to continually improve. Mandatory Skills Experience with TypeScript, Redux, React, Angular2+. Experience benchmarking and improving JavaScript performance. Experience designing scalable applications and systems. Experience with back-end technologies including Node.js and .NET. Experience migrating legacy More ❯

thinking , and customer-facing communication . ?️ What You’ll Work With: Backend and integration work with Python , Node.js , and TypeScript Front-end work using React Cloud infrastructure via AWS APIs, data pipelines, and custom tooling for real-world deployments Opportunity to work with ML/AI systems at the integration More ❯

cyber security. Knowledge of the relevant SaaS platforms (Palantir Foundry, Microsoft Power Platform) and modern development ecosystems is essential, with understanding in Python, TypeScript, React, and Database technologies running on DevOps platforms (including Docker/Kubernetes, GitHub Actions, and Tekton). Experience with Defence's digital transformation would be an More ❯

Yes col-narrow-right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: We are seeking a skilled and experienced Senior React Developer to join a high-performing data and digital engineering team on a strategic project for a leading UK bank. This role is delivered via … consultancy and involves the development of enterprise-grade web applications within a cloud-first architecture. Key Responsibilities: Build and maintain scalable web applications using React.js within a full-stack environment. Collaborate with cross-functional teams including designers, backend developers, and business stakeholders. Develop responsive, accessible, and high-performance user interfaces. … based services. Participate in code reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web design. Experience working with .NET , C# , or More ❯

with a product mindset centered around end users. The role is full-stack, with a leaning towards backend development. Their tech stack includes: Python React/TypeScript Node.js AWS GenAI Experience with another backend language (Ruby, C++, Elixir, Haskell, Go, Clojure, or Scala) is a plus. They are also working More ❯

using JUnit, Mockito CI/CD: Experience with Jenkins or similar pipelines Collaboration: Agile working with cross-functional teams Desirable Skills: Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle Database versioning: Liquibase API Design: Swagger/OpenAPI This role is ideal for engineers looking to build on their More ❯

now and ambitious enough to scale up later. Must-Haves 4+ years of experience building production-grade web apps Proficiency in modern JS frameworks (React or similar) using TypeScript and integrating with APIs Proficient in modern CSS and utilising frameworks such as Tailwind Confidence working across the stack (Node.js, Postgres More ❯

experience is an essential for this role Key Skills & Experience: Expert in Shopify development, Liquid templating, JavaScript, HTML, CSS, and Shopify APIs. Knowledge of React frameworks (NextJS, RemixJS), TypeScript, TailwindCSS, and Chakra UI is a plus. Proven leadership experience with a strong ability to mentor and guide a development team. More ❯

to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate API for aggregating social media data. Contribute to system architecture More ❯

for database versioning Containerisation with Docker API design with Swagger/OpenAPI TDD (JUnit, Mockito), high code quality standards Kafka for event-driven architecture React, TypeScript Diversity & Inclusion: Here at Amber Labs, we are dedicated to fostering an inclusive and equitable workplace for all. Our commitment to diversity, equality, and More ❯

days/week in their stunning Portsmouth studio). What you'll need: 1 –5 years’ full stack experience Proficiency with JavaScript/TypeScript, React, Node.js, and CSS A passion for games and playful user experiences Be Creative & Passionate Salary & Benefits: £35,000 - £45,000 Hybrid working (3 Days a More ❯

days/week in their stunning Portsmouth studio). What you'll need: 1 –5 years’ full stack experience Proficiency with JavaScript/TypeScript, React, Node.js, and CSS A passion for games and playful user experiences Be Creative & Passionate Salary & Benefits: £35,000 - £45,000 Hybrid working (3 Days a More ❯

Development (TDD) using JUnit, Mockito CI/CD: Experience with Jenkins or similar pipelines Collaboration: Agile working with cross-functional teams Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle API Design: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and More ❯

Fintech platforms or trading systems crypto experience is a nice bonus (DeFi/trading/Solana) Relentlessly motivated, adaptable, and execution-focused Proficiency in React, TypeScript, HTML5, and CSS3 Fully remote If you are interested, please apply now! #J-18808-Ljbffr More ❯