1 to 25 of 252 Permanent React Jobs in London

role Job Details Required Extensive experience of building microservices with Java (Spring Boot) Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS Experience using version control software - Git Experience using online version control tools - GitHub, GitLab etc Experience using Docker, Docker Compose Experience with ...

C# and .NET development with strong OOP knowledge Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday ...

C# and .NET development with strong OOP knowledge Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 £50,000 plus 25 days holiday ...

C# and .NET development with strong OOP knowledge Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor) Experience with SQL databases, RESTful APIs and software testing practices Salary & Benefits Salary of £45,000 – £50,000 plus 25 days holiday ...

best practices Support the reliability and scalability of live production systems Required Experience Strong TypeScript/Node.js development experience Experience building full-stack applications (React/Next.js) Experience delivering cloud-based products in AWS, GCP or Azure Infrastructure knowledge such as Terraform, Docker, Kubernetes or CI/CD pipelines Experience ...

skills. Adaptability/willingness to learn (e.g., Agile). Technical leadership (mentoring, best-practice guidance). Desirable: Experience with modern frameworks and libraries (e.g., React, Node.js, Terraform, Celery). Experience with database schema design and query optimisation. Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high ...

standards and best practices; •define and implement the optimal technology stack for future development projects; •develop and maintain web applications using JavaScript frameworks (Node.js, React, and others); •build responsive, accessible interfaces with HTML5, CSS3, and modern styling libraries; •work with XML and JSON for data exchange and integration across systems ...

Java and Python. Hands-on experience with API development and integration. Solid understanding of HTML, CSS, JavaScript, and modern front-end frameworks (e.g., React, Angular, or Vue). Experience with databases (SQL and NoSQL). Familiarity with version control systems (e.g., Git). Knowledge of cloud platforms (AWS, Azure ...

Data pipelines AI-powered workflows MVPs for new products Tools that reduce headcount pressure through automation Tech Stack (Flexible – but ideally) JavaScript/TypeScript React/Next.js Node.js Python (bonus) API integrations SQL/NoSQL databases Cloud (AWS/GCP/Azure) Automation tools (Zapier, Make, etc.) Git & modern ...

Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector). Deploy solutions using ...

Clearance (or eligible and willing to undergo clearance). Strong Java and Spring Boot development experience. Proven experience delivering full-stack solutions (e.g. React, Angular, or Vue). Good knowledge of microservices , RESTful APIs , and containerisation (Docker/Kubernetes). Experience working with AWS or other cloud environments. Understanding ...

Looking For 5+ years of professional software engineering experience Strong experience with TypeScript across frontend and backend Experience with modern frontend frameworks such as React, Next.js, or similar Experience building backend services with Node.js Proven experience working in fast-paced startup environments Strong understanding of system design, APIs, and scalable ...

/version control Object-oriented programming Testing (unit & integration) Comfortable working in a fast-paced, evolving environment Nice to have Experience with TypeScript and React Exposure to frontend design systems Experience with Docker and cloud platforms (AWS preferred) Knowledge of modern web architecture and performance optimisation A proactive, pragmatic mindset ...

Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

emerging technologies (AI, automation, data services) that improve efficiency and insight. Tech Stack seeking: Full Stack Developer; Design and Build with C#, JavaScript Library (React.js bonus), API Development, SQL Server/Backend Development including ETL/Integration Azure DevOps (Repos, Pipelines, Boards, Artifacts, Test Plans), CI/CD automation, gated ...

guiding others in best practices and troubleshooting. Requirements Must Haves 5+ years of experience in front-end development with modern JavaScript frameworks (Vue.js, React, Angular, etc.). Strong expertise in Vue.js and modern front-end architecture. Proven experience owning and delivering complex features end-to-end. Strong knowledge of HTML ...

WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions,AzureDevOps IaC:Terraform,CloudFormation,AzureBicep PragmaticandsafeusageofAIthroughtheSDLC ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This ...

Stack Backend: Node.js, TypeScript, Python Data: PostgreSQL Architecture: Microservices, Event-driven systems Infrastructure: AWS (ECS, Lambda, RDS, S3), Terraform, CI/CD Frontend (context): React, Next.js, TypeScript What We’re Looking For ✔ 4–7+ years of backend engineering experience ✔ Strong experience with TypeScript, Node.js and Python ✔ Experience building production APIs ...

technologies. Collaborate within an agile engineering team, contributing to technical decisions and continuous improvement. Technology Stack C#/.NET Core/ASP.NET Core TypeScript, React Modern web and cloud architectures Requirements Commercial software development experience (typically 6+ years). Strong experience with C#/.NET and modern JavaScript/Typescript ...

Explore and adopt emerging tech such as AI, ML and automation. Skills & Experience Strong hands-on experience with C#, .NET, JavaScript, HTML/CSS, React . Solid knowledge of Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, ARM/Bicep). Experience with Azure DevOps , Git and CI/ ...

Agile delivery processes. Experience with Terraform for infrastructure-as-code. Experience with Unit Testing, preferably with PyTest. Desired Skills and Experience: HTML/CSS React Typescript Experience using the FastAPI framework Roles and Responsibilities: Work as part of the central Orcas engineering team supporting multiple product teams with shared tooling ...

hours support rota Tech environment You'll be working in a modern, cloud-based stack that includes: Backend & Frontend: Python, TypeScript, Golang, Node.js, JavaScript, React Data: PostgreSQL and NoSQL databases Cloud & DevOps: AWS, CI/CD pipelines, Terraform (desirable) Tooling: GitHub, Slack, Trello, Notion Experience with real-time systems (such ...

your future colleagues. Our tech stack: We use and leverage AWS, Cloudflare, and GitHub as much as possible. The codebase is written in TypeScript, React, Vite, TanStack, and Radix UI. We use Figma for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What ...