1 to 25 of 77 React Jobs in the City of London

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
experience as a Full Stack or Front/Backend Engineer in Typescript in a professional environment.Front-end skillsProficient in HTML5, CSS3, and TypescriptProficient in React, Redux, ReactQueryExperience with modern JavaScript frameworks - ReactKnowledge of version control systems (Git)Understanding of cross-browser compatibilityFamiliarity with RESTful APIs, GraphQL and WebsocketsExperience with ...

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 ...

Software Engineer

Location
City Of London, England, United Kingdom
Server‐side languages such as C++, Java, Rust or Python, OR Front‐end development in TypeScript or JavaScript, using frameworks such as Angular or React A deep enthusiasm for expanding your knowledge of a diverse technology stack Ideally, you would also have: This is not an additional list of requirements ...

Global Banking&Markets- Frontend Engineer - London- Vice President/ Associate/ Analyst

Location
City Of London, England, United Kingdom
you. Basic Qualifications Minimum 1-7 years of relevant professional experienceusing amodern UI programming language (Javascript/TypeScript) Experience building modern UI products using React Proven ability to lead engineering teams and deliver complex products with multiple stakeholders Experience architecting, designing full stack apps in AWS Prior experience with working ...

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 ...

Principal Software Engineer

Hiring Organisation
Pathfinder Business Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
redesign. Requirements Significant software engineering experience and a track record of delivering large-scale enterprise web applications. Deep experience with Java, Spring Boot, microservices, ReactJS, SQL, MongoDB, DevOps, CI/CD, test automation, and Infrastructure as Code. Strong AWS experience, including the design and deployment of secure, resilient production workloads. ...

Web Application Support Engineer

Location
City Of London, England, United Kingdom
application updates, ensuring minimal disruption to business operations. Document technical issues and solutions to enhance knowledge sharing within the team. Experience Needed: Proven React, ASP.NET experience is essential Oracle/SQL expertise is required Proven experience in web application support, ideally within the financial or corporate settings. Strong understanding ...

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 ...

AI Engineer (Consultant)

Location
City Of London, England, United Kingdom
clearly. At least 4 years’ relevant professional experience. Desirable Front-end capability alongside back-end, sufficient to deliver a usable interface independently, for example React, Next.js or an equivalent framework. Prior exposure to SAP, Oracle, Workday, Anaplan or OneStream, or to finance processes such as close, planning, order to cash ...

Software Engineering Lead - Data Technology Platforrms

Location
City Of London, England, United Kingdom
Head of Engineering The knowledge, experience, and qualifications you need: Strong expertise inat least one of C#/.Net, Python, Nodejs and/or React Thorough understanding of engineering principles, architectural patterns and best practices, with a proven track record of setting technical direction and leading teams in the design ...

Senior Fullstack Developer

Location
City Of London, England, United Kingdom
ability to solve complex problems independently, driving solutions with high-quality code without over-relying on AI tools. Strong proficiency in frontend technologies: TypeScript, React, and Vite. Hands-on experience with backend development using Python, FastAPI and databases. You might also have Experience with VFX/Animation tools and pipelines. ...

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 ...

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 ...

Solutions Architect (Presales)

Location
City Of London, England, United Kingdom
ability to work independently in a consulting environment. Tech stack: Python, Java, AWS, GCP, Azure, Kubernetes, Containers, SQL, NoSQL Nice to have: React, JavaScript Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square ...

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 ...

Sr. Full Stack Developer (Java, React & Python)

Location
City Of London, England, United Kingdom
degree in Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutionsProficient in Python & ReactJS and related technologies is required.Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essentialExperience with Agentic AI development ...

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 - Frontend focused

Location
City Of London, England, United Kingdom
Experience: Core Technical Skills Strong full‐stack experience, with confidence working across frontend and backend codebases Frontend: Solid experience with TypeScript and modern frameworks (React/Vue) Backend: Experience building and modifying APIs and services (Node.js or similar) Data & Infrastructure: Comfortable working with databases, data models, and cloud-hosted systems ...

Full Stack Developer

Location
City Of London, England, United Kingdom
team. You’ll have 4+ years building and shipping production web applications as a full stack engineer who owns features end to end. Strong React and TypeScript. You can architect and refactor nontrivial frontends, not just hand‐roll components. Strong Postgres or equivalent. Comfortable designing schemas, writing performant queries, managing ...