1 to 25 of 76 React Jobs in the City of London

looking for a skilled Senior Frontend Developer with strong experience in TypeScript and React Native to join our development team. In this role, you will build scalable, high-performance web applications and work closely with cross-functional teams to deliver outstanding user experiences. This is initially a six-month contract … week in the London office, and is full-time at 40 hours per week. Key Responsibilities: Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript Work closely with UX/UI designers to deliver intuitive and engaging interfaces Write clean, efficient, and maintainable code following best practices ...

priorities in a fast-paced environment Technical Skills Power Platform (Power Apps, Power Automate, Power Pages, Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes ...

frontend and backend), and who cover the following skills and experience. Strong experience designing and building scalable full-stack web applications using TypeScript/React and C#/.NET (or equivalent technologies). Deep understanding of core software engineering principles, including design patterns, modular architecture, and maintainable, testable code. Proven ...

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 ...

proactive, solution-oriented mindset Strong technical expertise across: Microsoft Azure & Fabric .NET/C# SQL & APIs PowerShell Docker, Jenkins, Terraform, and Azure DevOps React, ASP.NET, and Angular Jira and Confluence What We’re Looking For The successful candidate will combine strong technical engineering capability with a deep understanding of investment ...

Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native (back end leaning) Why? start-up financial services, revolutionising the industry Start : ASAP Day Rate : Inside IR35 £400 Location : Hybrid - 1-3 days in the office (Central London) Our Client A start-up FinTech is launching credit card, personal loans … similar role with a strong portfolio of projects (back end leaning) Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Beneficial experience of React Native Understanding of RESTful APIs ...

components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations and data modelling. Strong front-end engineering skills in React and TypeScript, including component architecture, state management, and integration with REST/SignalR backends. Solid understanding of event-driven architectures. Hands-on experience with PostgreSQL ...

/CD environments Strong stakeholder communication skills across front office teams Beneficial Experience with MarketAxess, Tradeweb or Bloomberg Exposure to AWS or cloud environments React or TypeScript front end development experience Knowledge of risk analytics, RFQ automation or market data platforms This is an excellent opportunity to join a high ...

roles Proven track record deploying AI/ML or data-intensive applications in production Strong full-stack skills: Python, Node.js/Go, React/Vue, SQL, REST/GraphQL DevOps proficiency: Docker, Kubernetes, CI/CD, and major cloud platforms Expertise in LLMs, Prompt Engineering, Vector DBs, RAG pipelines ...

junior engineers What we're looking for The highest level of proficiency using most of the following: Frontend: TypeScript, Astro and/or Next.js, React, HTML, CSS Backend: Node.js, Go, RESTful APIs, OpenAPI Cloud: AWS, Lambda, DynamoDB, S3, CloudFront Infrastructure as Code: SST, Terraform, CDK, Pulumi or similar Testing: integration ...

tools, processes, and best practices to support team knowledge and future development. Expertise Proficiency in one of Python, Javascript, Golang or Rust Familiarity with React (or similar frameworks) for creating user-friendly web applications. Expertise in API design, data modeling, and distributed architectures Proficiency with CI/CD pipelines, containerization ...

frontend systems into a new bespoke solution incorporating an API currently being developed in Python (FastAPI with PostgreSQL) and a web-app frontend in React.js or similar. WHAT YOU’LL DO ● Lead the CMS architecture, the heart of the creation and distribution of our assets and data. In collaboration with ...

have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management ...

C#, Java, Python, etc.) Deep understanding of algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Familiarity with React, Angular, or Vue (and how they interact with the DOM) Ability to reason about performance, memory usage, and rendering behaviour High standards for code quality ...

requirements, think about the customer, and understand the bigger picture Contribute to architecture decisions as the team and platform scale Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions. AI? YES - They're shipping LLM-powered products 👉 Exact tech match less important than strong backend fundamentals ...

detail typography, spacing, and design consistency. Experience with Azure DevOps, CI/CD pipelines, and Azure Monitor. Familiarity with LogicApps, Azure Web Apps, React, or additional front-end frameworks. Experience with automated testing frameworks. Skills & Competencies Ability to communicate complex technical concepts clearly to non-technical audiences. Excellent time management ...

bring solid full‐stack engineering experience (not purely front end or back end), working across the full development lifecycle. Your core technology experience includes React, Node.js, Python, and Java. You have hands‐on cloud experience, designing and delivering solutions on AWS and/or Azure. AI experience is essential ...

perspective, this is a genuine full stack position, with work split across frontend and backend development. The business uses TypeScript throughout their stack, including React, React Native, Node.js and AWS, so experience across multiple areas of the stack is important. The package Alongside a salary ...

Strong commercial Kotlin experience for backend development, ideally within payments or financial services Domain expertise in payment gateway systems or payments infrastructure Comfortable with React.js for full stack contribution where required Proven ability to take requirements through to architecture, design, and delivery Senior Software Engineer level ownership of technical decisions ...

Knowledge of financial markets or trading systems. Knowledge of FCA Market Abuse Regulation. Experience with performance optimisation and profiling. Familiarity with modern UI frameworks (React, TypeScript) and design principles. Exposure to containerisation and orchestration tools. Understanding of architectural frameworks and best practices. Knowledge of AWS or other cloud platforms. Role ...

involved throughout the entire software lifecycle; design, deployments and continuous improvement whilst leading a small global team. Requirements: -Strong experience with Vue.js/React for frontend development -Python knowledge for backend services -Experience with security protocols -Understanding of the AWS stack -Lead experience is ideal - direct reports/mentoring This ...

Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. ...

applications and help shape architecture, engineering standards and product delivery. We're looking for: 8+ years' software engineering experience Strong full-stack background (TypeScript, React, Node.js) Backend experience with Node.js, Python, Go or similar Previous team leadership experience Experience building scalable, data-heavy products Product-minded engineers from crypto, fintech ...

Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies , the team hire on pure technical acumen rather than years ...