22 of 22 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 ...

Principal Technical Lead

Hiring Organisation
Rail Safety and Standards Board
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

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. ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sound engineering judgement and the ability to review, test, and take responsibility for the code you ship. Experience that would stand out TypeScript, Rust, React , or DevOps. Building AI agents and the tools and systems around them. Performance optimisation and debugging complex software. Competitive programming, trading technology, or engineering experience ...

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 ...

Senior Software Engineer - Rust (No Rust required)

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

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 ...

AI Product Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
practical product features. The ability to work across frontend, backend, and applied ML within a small, highly technical team. Experience that would stand out React, TypeScript, Python , and modern application architecture. Structured generation, tool use, RAG , model adaptation, or fine-tuning. Multimodal systems involving text, images, drawings, or technical inputs. ...

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 ...

React Developer - Frontend Engineer (Trading applications)

Hiring Organisation
AMS CWS
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Deutsche Bank is a global banking business with strong roots in Germany and operations in over 70 countries. Their large but focused footprint gives an established position in Europe plus a significant presence in the ...

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 ...

Full Stack Engineer

Hiring Organisation
Station Group International Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Build relational models in Postgres, vector search, and streaming queues (Kafka/SNS/SQS). Modern UIs: Craft responsive interfaces and dashboards in React or Vue.js. Cloud & DevOps: Deploy containerized applications (Docker) on AWS using Terraform. AI Integration: Build practical, production-ready interfaces for LLMs, RAG pipelines, and model … products. What They're Looking For Core Engineering: Strong foundation in Python, REST APIs, microservices, and clean code principles. Frontend Depth: Practical experience with React or Vue.js. Databases & Cloud: Solid Postgres/SQL, AWS, and Docker experience (NoSQL/Terraform a plus). Applied AI: Exposure to LLMs ...

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 ...

React Developer - Frontend Engineer (Trading applications)

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On behalf of Deutsche Bank, we are looking for a React Developer for a 6 month contract (with potential for extension) based in the bank's London office on a hybrid working model of 3 days … week in the office and 2 from home. Purpose of the role: The React Developer will sit within the core Credit Flow pre-trade engineering team within Credit Technology and will lead and manage UI initiatives from London. What you'll do: Work as part of a global technology team ...

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 ...

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/ ...