1 to 25 of 299 React Jobs in the City of London

Senior Front End Developer Senior Front End Developer – Global Workforce Technology Innovator – London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with … impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role ...

Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity We have just partnered with one of the most exciting early stage start-ups in the AI creativity space who need an engineer who will come … hire without looking at years of experience. This Founding Software Engineer role is for someone who has full stack experience mainly working on Frontend (React/React Native) and Backend (Node/Python) projects. It is for someone who can challenge the status quo and not be worried about putting ...

Senior Software Engineer – React Native & React 📍 Hybrid (London 2–3 days/week) 🌍 VC-backed Fintech Start-up 💵 £70k - £90k + equity Albany Growth are working with a fast-scaling fintech start-up who are building something that is revolutionising how people manage their money and financial wellbeing. Their mission … flexibility with their money. They're now looking to bring in a Senior Engineer to take ownership of front-end development across both mobile (React Native) and web (React). You'll join a highly collaborative, product led team building out greenfield features used by thousands of users every day. ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their … paying up to £130,000 + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus experience in at least one of C# ...

server-side development, design patterns, microservices, RESTful APIs, and SQL databases (DB2, SQL Server, or Postgres). Knowledge of front-end development using React, Node.js, HTML, and CSS is a bonus, alongside experience with Elastic ELK, container platforms (Docker/Kubernetes), and test automation tools like Cucumber or Selenium. ...

some of the tooling and technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana ...

systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience (React may be considered) Cloud experience with microservices (AWS preferred) Docker and Kubernetes hands-on experience Fintech/regulated industry experience preferred Why Join? Java-focused ...

influencing solution design and delivery approach. Tech Stack You’ll work with modern, scalable technologies and frameworks including: Languages: JavaScript/TypeScript, Java, Frameworks: React, Angular, Node.js, Spring Boot, .NET Cloud Platforms: AWS, Azure, GCP CI/CD: Jenkins, GitHub Actions, Azure DevOps IaC: Terraform, CloudFormation, Azure Bicep Safe ...

experienced developers, designers, long-term customers and a mature yet fast-moving codebase. Qualifications, Knowledge, Key Skills and Experience Essential: Experience with TypeScript and React for building dynamic, responsive front-end applications. Back-end development experience in Python , particularly with frameworks like Django or Flask, or equivalent experience in other ...

client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing ...

with strong problem-solving skills and attention to detail Great communication and a collaborative mindset Bonus Points: Experience with Node.js or frontend technologies like React Familiarity with Grafana , TeamCity , or observability tooling Interest or experience in financial services , compliance, or digital banking If you're excited to work ...

client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing ...

server-side development, design patterns, microservices, RESTful APIs, and SQL databases (DB2, SQL Server, or Postgres). Knowledge of front-end development using React, Node.js, HTML, and CSS is a bonus, alongside experience with Elastic ELK, container platforms (Docker/Kubernetes), and test automation tools like Cucumber or Selenium. ...

experience: 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 JavaScript ...

drive projects forward Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean ...

Significant experience of Software Development is required. C# (essential) Web development - ASP.NET MVC, Web APIs, SQL, HTML, CSS, JavaScript (essential) Angular (Considered as plus) React (Considered as plus) Prior experience of working in Finance domain (Investment bank, Asset Management firm, Hedge Fund) is essential. CFA qualification (considered a plus). ...

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 ...

experience: 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 JavaScript ...

experience: 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 JavaScript ...

experience: 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 JavaScript ...

Requirements: Strong software engineering fundamentals (data structures, OO design, distributed systems concepts) Professional experience in C#/.NET Hands-on Angular experience OR strong React/TypeScript engineers willing to pick up Angular quickly Ability to understand data flows, validate correctness, and challenge assumptions Excellent communication skills and ability ...

Deep hands-on experience with LLM orchestration (LangChain, LlamaIndex) Production experience with Vector Databases and Hybrid Search implementation Experience with Prompt Engineering techniques (CoT, ReAct) and structured outputs Languages: Expert proficiency in Python Cloud & DevOps: Solid experience with GCP/AWS/Azure, Docker, and Git Strong Plus: TypeScript/ ...

with relational databases (Postgres) and NoSQL databases (MongoDB, Redis, Cassandra). Experience with RESTful API design and integration. Familiarity with front-end frameworks (VueJS, React, or Angular). Good knowledge of source control (Git) and CI/CD tools. Understanding of infrastructure and deployment (AWS, Ansible, Kubernetes). Architectural skills ...

Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Engineering on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ...