19 of 19 React Jobs in the City of London

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 ...

Founding Software Engineer Python - Start-up

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
software from scratch and iterate quickly You have strong technical skills, primarily with Python You have experience with RESTful APIs (they use FastAPI); TypeScript, React and other web technologies such as HTML5, CSS3 would be of benefit You have experience with LLMs and agentic AI, like to get your hands ...

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. ...

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 Python Developer - Fully Remote

Hiring Organisation
G.R.E. Recruitment Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants in the UK Only (No Sponsorship ...

Vue Developer

Hiring Organisation
Michael Page
Location
City of London, London, Tower, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
time data (WebSockets, SSE or similar) AG Grid, Prime Vue UI state management systems such as Pina, Redux, and UI design systems. Angular/React Job Offer Performance based discretionary cash bonus scheme Discretionary stock grant Group Life Assurance cover Group Income Protection Occupation pension scheme based on Gross earnings ...

Forward Deployed Engineer

Hiring Organisation
Randstad Digital
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60 - 62 Hourly
Forward Deployed Engineer (AI & Full-Stack) Remote (UK-based) 6-Month Initial Contract £60 per hour (Umbrella) Inside IR35 Stack: Go, React/TypeScript, GCP (Cloud Run, Pub/Sub), PostgreSQL, Automated AI Workflows A well established firm is looking for a hands-on Forward Deployed Engineer to join ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Agentic AI frameworks in client-facing environments, including data engineering in cloud environments. Strong Python (3.10+), TypeScript, JavaScript (ES6+), SQL and Bash. Front-end: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress plus AI product UX patterns such as streaming, review loops, provenance/… Stack Developer, Python Developer, Senior Consultant Data Science, Data Scientist, Solutions Architect AI, LLM Engineer, MLOps Engineer, AI Software Engineer, Django Developer, FastAPI Developer, React Developer, Next.js Developer, TypeScript Developer, Azure OpenAI, Vertex AI, LangChain, LangGraph, CrewAI, Autogen, OpenAI Agents SDK, Google ADK, RAG, retrieval augmented generation, MCP, LangSmith, TruLens ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
play a key role in building MCP integrations, agent-to-agent connectivity and robust API services, while also developing responsive, accessible interfaces in React and TypeScript. What you'll be doing Own the application and integration layer of AI products end to end, covering APIs, integrations, service boundaries and frontend … APIs using REST and/or GraphQL, including authentication, authorisation, versioning and streaming interfaces such as SSE or WebSockets. Build production frontend applications using React, TypeScript and JavaScript. Work closely with UX and product teams to turn designs into accessible, responsive and intuitive interfaces. Develop AI-specific user experiences including ...

Junior Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£160 - £170/day
grow their skills while working alongside experienced engineers. Key Skills Required 1+ year commercial full-stack development experience Node.js & TypeScript - hands-on experience React or Angular - frontend development Experience building RESTful APIs Experience with Git/version control Knowledge of unit and integration testing Understanding of Agile/Scrum Good … communication and teamwork skills Willingness to learn and work under senior engineers What You'll Do Develop frontend features using React or Angular Build backend services and APIs using Node.js & TypeScript Integrate applications with APIs and data stores Write and maintain automated tests Participate in Agile ceremonies and code reviews ...

Senior Frontend developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
systems as part of ongoing platform transformation projects. Responsibilities include: Taking ownership of frontend feature delivery from design through to production Building and maintaining React and Next.js applications Developing clean, scalable, and well-tested TypeScript code Supporting the migration and modernisation of existing frontend platforms Working with shared component libraries … mentoring less experienced developers Collaborating with Product, Design, Backend and Platform teams Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure ...

Senior SharePoint Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
across SharePoint SE and SharePoint Online. * Lead modernization initiatives moving classic SharePoint experiences to modern SharePoint. * Design and develop enterprise-scale solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs. * Design and maintain enterprise on-premise and cloud SharePoint platforms, including site architecture, navigation, branding, and content … experience administering and developing solutions for SharePoint Subscription Edition (SE) and 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 ...

Contract - Senior CXE Engineer - Amazon Connect

Hiring Organisation
INNOVATIVE TECH PEOPLE LTD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
majority of your time in code and in the AWS console: building contact flows and AI agents, writing Lambda functions and CDK stacks, developing React-based agent and admin tooling, and debugging production issues on systems that serve tens of thousands of agents and millions of customer interactions. You work … plus LLM-based development (Amazon Bedrock, Q in Connect, or equivalent), including prompt engineering and tool calling Strong TypeScript/Node.js and Python; production React experience; solid AWS serverless engineering (Lambda, EventBridge, API Gateway, DynamoDB, Step Functions, Kinesis) Infrastructure as code proficiency with AWS CDK or Terraform, including multi-account ...

Member of Technical Staff, Full Stack

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Permanent
models and computer vision Design and build scalable APIs connecting machine learning pipelines with edge device fleets Develop user-facing applications using TypeScript and React, including modern tools such as React Query and Tailwind Contribute to infrastructure, system architecture and cloud-native engineering decisions Work on distributed systems, real-time … Strong experience in software engineering using Go, Python or C++ Proficiency in designing and building scalable backend systems and APIs Practical experience with TypeScript, React and modern frontend development Understanding of distributed systems, containers and cloud-native infrastructure Experience working with Kubernetes, AWS and infrastructure as code, such as Pulumi ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day
Senior Frontend Developer (React) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Senior Frontend Developer with strong expertise in TypeScript and React to join our growing development … team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will ...

Senior Software Engineer

Hiring Organisation
Exam Papers Plus
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
lean on, without carrying the management load. What you'll be responsible for: Building and shipping features across our learner and content platforms (React, Node.js, NestJS), taking work from spec through to production. Using AI tools such as Cursor and Claude to accelerate your work, while owning the validation … Full-stack Engineer, with at least some of that time at a senior level. Strong TypeScript across our stack - a pnpm and Turborepo monorepo, React 19 with TanStack Start, Router and Query, Tailwind CSS, Prisma and PostgreSQL (Supabase), Better-Auth and Stripe, deployed to Google Cloud Run via GitHub Actions ...

Senior Python Developer - Fully Remote

Hiring Organisation
G.R.E. Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants in the UK Only (No Sponsorship … team. For this role I am looking for a Senior Full Stack Python Developer with: Minimum 5 years Python development experience + 2 years ReactJS experience Someone who has experience of working in small teams and perhaps in solo Python roles Strong English speaking skills Someone who is used ...

Senior Front End Engineer React - PoS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Senior Front End Engineer/Developer (React) London/WFH to £90k Would you like to join a scale-up technology company in an influential role where you can take ownership and see the business impact of what you do? You could be progressing your career as a Senior Front … maximises revenue for vendors. As the Senior Front End Engineer you will lead the architecture and development of front end applications, primarily using React, ensuring performance, maintainability and scalability across web products, remaining hands-on with the code. You'll collaborate closely with product and design teams to translate requirements ...

Forward Deployed Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £62 per hour
Forward Deployed Engineer (AI & Full-Stack) Remote (UK-based) 6-Month Initial Contract £60 per hour (Umbrella) Inside IR35 Stack: Go, React/TypeScript, GCP (Cloud Run, Pub/Sub), PostgreSQL, Automated AI Workflows A well established firm is looking for a hands-on Forward Deployed Engineer to join … Build and maintain backend services, messaging tools, and database routines in Go. Update the User Interface: Make targeted updates to screens and forms using React and TypeScript so clients can see and use new features. Connect Existing Software: Plug our system into standard client software (like SAP, Microsoft Teams/ ...