1 to 25 of 92 Permanent React Jobs in Portsmouth

Sciences Sector Strong grasp of computer science fundamentals: data structures and algorithms, complexity, object oriented design Mastery of modern web technologies & Javascript is essential: React, CSS, Node, Angular, etc. Proficient in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps/CloudOps best 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. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or More ❯

a culture of continuous improvement and learning. What you will bring: Strong expertise in C#, .NET, JavaScript, and TypeScript. Experience with front-end frameworks (React, Vue.js or Angular preferred). Familiarity with PHP, cloud platforms (AWS/GCP/Azure), Docker/Kubernetes. Solid grasp of DevOps, CI/CD More ❯

with industry trends and best practices to refine processes and ensure optimal performance. Experience & Technical Skills Strong proficiency in HTML, CSS, and JavaScript frameworks (React, Angular or Vue). Experience developing scalable solutions with Node.js and Express.js. Familiarity with templating frameworks such as Handlebars.js, Pug, or EJS. Practical experience with More ❯

experience in multidisciplinary teams, ideally in digital/creative agencies. Strong front-end skills: HTML, CSS/Tailwind, JavaScript/TypeScript, and frameworks like React, Vue, or Next.js. Backend experience with Node.js, or PHP Proficient in custom CMS builds and integrations, particularly WordPress and Contentful. Familiar with animation libraries (e.g. More ❯

commitment to continuous improvement 🛠 Tech Stack Back end: .NET 8/9, C#, ASP.NET WebAPI, Entity Framework Front end: HTML5/CSS3, JavaScript frameworks (React, Vue.js) Database: SQL Server/SQL Azure 🚀 Why This Opportunity? Innovation-Driven: Tackle diverse projects that push the boundaries of what’s possible Global Reach More ❯

building mobile, responsive/adaptive applications. Have first-hand understanding of Agile development methodologies. The FS role should have everything from BE plus: Experience: React, Webpack, SCSS etc, WebSockets, Federated Modules Good to have: Rspack, Micro-frontends We are using HackerRank for the pair programming Tooling: JIRA, Splunk, Slack 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 ❯

Java Spring Boot Kubernetes AWS - Lambda, EC2, S3, RDS, DynamoDB) Demonstratable knowledge of DevOps culture, processes, technical practices and tools (IaC - Terraform) Experience with React and TypeScript REST Web services Experience of working in a Agile environment This role is on a remote basis with no requirement to be in More ❯

things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards the backend. Their stack: Python React/TypeScript Node.js AWS PostgreSQL GenAI + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + More ❯

processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code More ❯

processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code More ❯

processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code More ❯

Lead Developer A strong track record of delivering technically complex projects in collaboration with Product Owners and stakeholders. Solid experience in JavaScript development (Node.js, React/NextJS). Expertise in cloud computing (Google Cloud Platform preferred). Nice-to-Haves Knowledge of event-driven microservices , CI/CD pipelines, Docker 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 ❯

Lead React Engineer - HealthTech - Fully Remote Salary: £80,000 - £110,000 + Equity Industry: HealthTech/Tech for Good 🏥 Location: Fully Remote UK with Offices in London Tech Stack: React, TypeScript, Node.js, React Native 🚀 Company Overview 🌱 Our client is an early-stage, VC-backed AI startup on a mission to … strong early traction, they’re blending AI with beautifully crafted products to create a super impactful platform. They’re now looking for a Lead React Engineer to join their growing team and help drive the next phase of growth. The Role 🛠 Early stage startup hire — huge ownership and autonomy Working … closely with the founders to bring the product vision to life React frontend focus although should be able to dip into a Node.js Backend too Begin as an IC with the view to progress into a lead role, should display these qualities already React Native is a bonus Desired Skills More ❯

culture that rewards innovation and initiative 🧠 What They’re Looking For: ✅ Solid experience with Ruby on Rails ✅ Confident across the frontend – JavaScript/TypeScript (React ideal) ✅ Hands-on with AWS , CI/CD, Docker/Kubernetes & IaC tools ✅ Proven experience leading or mentoring technical teams ✅ Strong communication, a calm head More ❯

processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding of Design Patterns, OOP, SOLID, and Clean Code More ❯

culture that rewards innovation and initiative 🧠 What They’re Looking For: ✅ Solid experience with Ruby on Rails ✅ Confident across the frontend – JavaScript/TypeScript (React ideal) ✅ Hands-on with AWS , CI/CD, Docker/Kubernetes & IaC tools ✅ Proven experience leading or mentoring technical teams ✅ Strong communication, a calm head More ❯

production support Promote frontend best practices across the team What We’re Looking For: Technical Expertise: HTML, CSS, Bootstrap, JavaScript, TypeScript, Vue 3, React.js Education: Degree in CS or related field Leadership: Experience in fast-paced environments or team management Soft Skills: Strong communication in English and a proactive, problem More ❯

CI/CD pipelines (Jenkins, Gradle) 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 ❯

effectively explaining technical concepts to both technical and non-technical stakeholders It would be a bonus if they also have: Experience in NextJS/React/Javascript Experience in Docker Experience in web application/Rails performance and optimisation Experience in MongoDB An interest in sharing information and presenting to More ❯

comes from a start-up or scaling SaaS company with a want to solve problems Experience in most of the technology stack; TypeScript, Node, React, Python and AWS You know when to prioritize scalability and when to focus on speed, making informed architectural choices that balance long-term growth with More ❯