1 to 25 of 112 React Jobs in the City of London

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 ...

using a mix of relational and NoSQL technologies, including SQL Server and MongoDB Frontend applications built with contemporary JavaScript frameworks and languages such as React , Next.js , Angular , and TypeScript In-memory data grids and caching solutions leveraging technologies like Redis and Ignite If of interest, please apply with your updated ...

Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back-End: Extensive experience with Java, Spring, and Spring Boot. Front-End: Practical knowledge of React, Angular, or Vue. Data Systems: Competency in SQL (MySQL, PostgreSQL) and NoSQL environments. Tooling: Familiarity with Git, Jira, and CI/CD pipelines. Permanent Role ...

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 ...

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 ...

fast‐paced environments Strong hands‐on experience building modern web and mobile applications across frontend and backend Proficient with modern frontend frameworks (e.g. React, TypeScript) and backend technologies (e.g. Node.js, Java, Python, or similar) Solid experience with CI/CD pipelines and DevOps tooling (e.g. Jenkins, Ansible), with exposure ...

. Solid background in treasury, collateral, middle‐office, or financial operations technology. Strong programming skills in C# + Python Front‐end experience with Vue.js , React , or Angular . Experience with databases such as SQL Server, Databricks, or Azure SQL. Strong understanding of data structures, automation, and workflow optimisation . Familiarity ...

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 ...

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 Commodities Brokerage and they are looking for a Senior C#, .NET Software Engineer to join their growing front office team ...

Languages: C#/.NET (strategic direction) Python (current tooling base) Java or other OO languages also considered Cloud: AWS (current environment) Frontend: Angular Svelte React experience also relevant Data/Messaging: Strong database fundamentals (Postgres, ClickHouse or equivalent) Kafka or similar real‐time messaging technologies What We’re Looking ...

requirements • Contributing to testing, documentation and ongoing improvements across the team What we’re looking for • Expert in modern front-end tech - Vue (mandatory), React/Angular (nice to have) • C#/.Net - this will be a small part of the role but necessary • Experience working with component based development ...

Developer 8 months London - hybrid 1-2 days onsite every 2 weeks Inside IR35 - Umbrella only Skills required: Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform ...

back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code ...

related discipline Required Skills 5+ years experience as a Senior Full Stack or Software Developer 2+ years of proven management experience Strong experience with React and modern frontend development Backend development experience (Java preferred) Solid knowledge of JavaScript, HTML, and CSS Experience working with PostgreSQL databases Experience using ...

startup environments. JavaScript Expertise – Strong fundamentals in modern JavaScript (ES6+), modular architecture, and browser behaviour. Framework Knowledge – Experience with modern front-end frameworks (e.g. React, Vue, Next.js), even if not currently using one in production. Backend & API Experience – Experience designing and consuming RESTful APIs; comfortable working in Python-based backend ...

stage, hands-on role with significant autonomy and responsibility . You will own full-stack product delivery, from infrastructure and AI integrations through to React/React Native interfaces, collaborating closely with founders, creators, product, and design to turn lean specs into scalable, user-loved software. We’re looking … real mobile experience. Responsibilities Implement features end-to-end (mobile + web frontend → APIs → data models → integrations) while maintaining quality and velocity. Build React Native mobile apps and shared component systems across products. Design and ship scalable backend services (APIs, integrations, AI workflows). Run tight build → test → iterate → ship ...

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 ...

SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. - Proven expertise in SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# and .NET ...

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

with 2-3+ years leading or mentoring engineers Strong expertise in Python backend development with async patterns Production experience with modern frontend frameworks (React, TypeScript) Solid understanding of distributed systems architecture and API design Experience with container orchestration, CI/CD, and cloud platforms Experience with NoSQL databases ...

high-impact, early-stage product teams: you've shipped and scaled full stack products Strong backend (Node.js, Python/Flask, FastAPI) and frontend (React, Next.js, Vue) fundamentals ML/data science proficiency: Python, SQL, pandas, scikit-learn, PyTorch/TensorFlow Experience with cloud platforms (AWS, GCP, Azure) and containerisation (Docker ...

scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/ ...

cutting-edge LLM workflows. The Full Stack Engineer will build AI-powered product features. The Full Stack Engineer will develop front end solutions using React, Typescript, NextJS. The Full Stack Engineer will build scalable back end systems in Python/Django. The Full Stack Engineer will architect and deploy infrastructure ...

Stays informed about modern technologies and practices , promoting proportionate adoption of tools that add value. Technical Skills & Responsibilities: Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform ...

have strong C# .Net, ASP.Net development experience 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 ...