1 to 25 of 84 React Jobs in the City of London

Full-Stack Development- Consultant

Location
City Of London, England, United Kingdom
Server, Azure SQL, Entity Framework, CosmosDB Design & Style: HTML5, Responsive/Adaptive Design, CSS3, Bootstrap Frameworks: (Worked with one or more of) Angular, React, NodeJS, Vue.js, or equivalent JavaScript DevOps: Git, Azure DevOps, GitHub Nice-to-Have Skills Azure AI Foundry, Semantic Kernel or Autogen #J-18808-Ljbffr ...

Senior Software Engineer (Full-Stack - TypeScript/Node)

Location
City Of London, England, United Kingdom
hear from you: Technical Skills Strong knowledge of Typescript and Node.js. Knowledge of modern frontend development, including JavaScript/TypeScript with frameworks like React or Next.js, and experience building intuitive, user-focused interfaces Experience designing and implementing backend systems Prior experience with Azure (ideally), AWS or GCP. Comfortable working with ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
/CD using GitHub, GitLab or Jenkins Agile engineering experience Experience with AI agents, tool calling, embeddings, prompt engineering or LLM observability is beneficial React/TypeScript and Terraform/IaC experience is beneficial Experience taking GenAI POCs into production is highly beneficial Why this role? You'll work ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
have skills AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSC’s 14 cloud security principles. You don’t meet all the requirements? Studies show that ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or wider AWS services. Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process! Randstad Technologies Ltd is a leading ...

Software Engineer

Location
City Of London, England, United Kingdom
more of the following technologies but who is also open minded about learning new languages and technologies. Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS, Azure MERN, Elasticsearch, Neo4J Salary and Benefits A salary of £40-85k with an exciting array of projects to work on. Company ...

Senior Full Stack Engineer (Javascript)

Location
City Of London, England, United Kingdom
wait to hear from you. The must-haves: 4-7 years+ experience in web development and deep proficiency across the following technologies ReactJS NodeJS AWS MongoDB HTML, CSS/LESS/SASS Git/CICD A passion for maintainable, readable, stable, secure, and scalable code Track record of shipping high ...

Global Banking & Markets - Software Engineer- Credit Engineering - Vice President - London

Location
City Of London, England, United Kingdom
Expertise in Java and/or C++ with a proven track record in developing and optimizing multi-threaded and concurrent applications. Proficiency in TypeScript,React,HTML5/CSS3, and state management (Redux/Zustand). Experience with real-time data processing, distributed systems, and multi-threaded programming. Demonstrated experience ...

Full Stack Engineer

Hiring Organisation
Few&Far
Location
City of London, Greater London, UK
engineers Collaborate closely with cross-functional teams to deliver impactful solutions Contribute to hiring and onboarding as the team grows Core Tech Stack Frontend: ReactJS, HTML, CSS/LESS/SASS Backend: Node.js, AWS, MongoDB Tools: Git, CI/CD Requirements 4–7+ years’ experience in full-stack web development ...

Agentic AI / GenAI Consultant | From PoC to Production

Location
City Of London, England, United Kingdom
Building robust AI services and APIs using Python, FastAPI, Django or Flask, supported by strong SQL Create engaging, responsive AI products using TypeScript, JavaScript, React and Next.js Ground LLM applications in trusted business data through RAG, MCP and model integration Design multi-agent solutions using frameworks such as LangChain, CrewAI ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
City of London, Greater London, UK
Safe Intelligence Front End Software Engineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and intuitive UI to enable workflows around testing and validating Machine Learning systems with ...

Technical Lead

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability to mentor engineers and build high-performing, collaborative teams. Experience leading in an agile, cloud ...

Technical Lead

Location
City Of London, England, United Kingdom
delivery.You'll bring experience of:Leading engineering teams and delivering complex digital products.Architecture and technical strategy in modern technology environments.Technologies such as TypeScript, React, Node.js, Go or Rust.AWS, cloud-native platforms and Infrastructure as Code.Docker, Kubernetes and CI/CD practices.Microservices, distributed systems and modern databases.Coaching engineers and fostering high ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
.NET host), comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications. Sufficient front‐end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front‐end teams. Demonstrated ability to leverage coding agents in spec‐driven ...

Software Engineer, New Grad - Production Infrastructure

Location
City Of London, England, United Kingdom
variety of languages, including Java and Go for backend and Typescript for frontend Open-source technologies like Kubernetes, Cilium, Envoy, Grafana, React, and Redux Industry-standard tooling, including Gradle and GitHub, and agentic tools like Windsurf & Cline What We Value Ability to communicate and collaborate with a variety of individuals ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
custom .NET host); comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications.Sufficient front-end literacy (React, TypeScript, Node) to make architectural decisions, review code, and collaborate effectively with dedicated front-end teams.Demonstrated ability to leverage coding agents in spec-driven development ...

Technical Lead

Location
City Of London, England, United Kingdom
right task, you can expect to work with the following technologies to ensure scalable, high‐performance applications: Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Pragmatic and safe usage of AI through the SDLC (e.g. using MCP to combine tools ...

Full Stack Software Engineer

Hiring Organisation
Acacia Green Technologies
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
development. You will take primary responsibility for Node.js and JavaScript services, PostgreSQL data models, REST APIs and a growing microservices estate, while contributing to React.js interfaces when a feature requires end-to-end ownership. The role sits close to live hotel deployments, IoT devices and the people … building systems using MQTT, Modbus or Modbus TCP, HTTPS, JSON and vendor APIs; diagnose failures across software, network and device boundaries. Contribute to React.js frontends using JavaScript or TypeScript, HTML, CSS and appropriate state management when delivering complete product features. Containerise and deploy services using Docker, Kubernetes and Helm; support ...

Senior Product Engineer

Location
City Of London, England, United Kingdom
evaluation, and cost optimisation Ability to operate autonomously in a startup environment Strong communication and stakeholder management skills Desirable: Experience with Node.js, TypeScript, and React Computer Science background Experience within AI startups, technology companies, or financial services What They Offer Salary up to £140,000 Meaningful equity package Hybrid working ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully ...

Full-Stack C# Engineer: Architect Scalable Finance Apps

Location
City Of London, England, United Kingdom
architects, and engineers to implement microservices, APIs, and cloud-based solutions in a fast-paced, security-minded environment. The role requires strong TypeScript/React frontend skills, solid C# back-end experience with SOLID principles, and a good grasp of RESTful APIs, CI/CD, #J-18808-Ljbffr ...

Full Stack Engineer

Hiring Organisation
limitless
Location
City of London, Greater London, UK
trust from day one. ️ Core Stack: Django + Python (this is a Django shop through and through) HTMX for reactive UI without the React overhead Bootstrap → TypeScript migration happening now Vanilla JS where needed AWS for infrastructure Server-side rendering philosophy ️ What You'll Actually Build The Internal Production Platform ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months ...