51 to 75 of 145 React Jobs in the City of London

Senior AI/ML Engineer

Hiring Organisation
Impala Search
Location
City of London, London, United Kingdom
challenges across both technical systems and organisational growth. Help define long-term product direction and influence strategic decisions. The Tech Stack Node.js Python TypeScript React AWS Serverless What You’ll Bring Deep curiosity and a passion for understanding customer problems, technical innovations, and domain-specific challenges. Drive, hunger, and resilience ...

Full Stack Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
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 Engineer

Hiring Organisation
A.Engineer
Location
City of London, London, United Kingdom
features) - Take ownership of our codebase, balancing high-quality code, Enterprise-grade security and speed of development - Work with technologies such as React, Node.js, Python, Azure cloud and latest LLM frameworks. - As a pioneer, solve technological challenges, nobody in the AEC industry has been solving ever before The work ...

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern … good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript/TypeScript/React.js or Angular You have strong analytical and problem solving skills You're collaborative with excellent communication skills What's in it for you: As a Senior ...

Senior Software Engineer

Hiring Organisation
Fyre Global Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join ...

Graduate / Junior Developer, Python, JavaScript, PHP - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. ...

Full Stack Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
Salary range: 60-80k (+ 20% bonus - paid in monthly increments) Location : Central East London (x3 days per week onsite) Tech stack includes : React, Typescript, NodeJS, GraphQL, Kubernetes, Neo4j. Current team size: x2 Engineers Telecomms scaleup hiring for 1-2 Software Engineers. The business provides their own fibre optic ...

Senior Frontend Developer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Experience working in a lean start-up environment is beneficial ...

Senior Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: £70-90k + Equity 🏙️ Location: London hybrid (2 days p/week in office) 💻 Tech Stack: Node, Python (Legacy), TypeScript, Next.js, React, AWS, LangChain/MCP 🤖 Frontend leaning full stack, Next.js is a must have I’m working with an early-stage startup building agentic AI tools that ...

Head of Engineering

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
hands on) Salary range: 100-150k Location : Central East London (x3 days per week onsite - Tues/Wed/Thurs) Tech stack includes : React, Angular, Typescript, NodeJS, NestJS, GCP, Python, PostgreSQL Current team size : x2 Engineers, x1 Data Scientist & x1 ML Engineer We're working with a SaaS startup ...

Principal Engineer

Hiring Organisation
numi
Location
City of London, London, United Kingdom
work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders. Nice to Have: Experience with Vue, Nuxt, React, or Next. Experience or a strong interest in Fintech. Why You'll Love Working Here Exceptional Impact: Be the biggest single influence on the system ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
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 ...

Founding Engineer

Hiring Organisation
Ralio
Location
City of London, London, United Kingdom
tool, ideally you are proficient in more than one, but we use Python and Typescript You have full stack experience, we use React and Supabase Experience with payments systems is a plus What We Offer Ownership: Significant equity package. You are not just an employee; you are a partner ...

Creative Engineer

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
share learnings for future innovation projects. Your Profile Essential skills/knowledge/experience: Proficiency in JavaScript, HTML/CSS, and frameworks like React, Three.js, or similar. Familiarity with creative coding libraries (e.g., p5.js, GSAP). Basic understanding of UX/UI principles and design collaboration. Ability to work ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
goals. Drive innovation: pilot emerging technologies (AI, automation, data services) that improve efficiency and insight. Your Technical Toolkit Frontend HTML5, CSS3, JavaScript (ES6+), TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core ...

Full Stack Engineer

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
impact digital products used across the UK What You’ll Do Build high-quality microservices using NodeJS Develop responsive, modern front-end applications using React , Typescript , JavaScript Work with NextJS and Vite to build fast, scalable front-end solutions Deliver cloud-native applications using AWS or Azure Contribute to robust … best practice in security, quality and maintainability What We’re Looking For.... Required Strong experience building microservices with NodeJS Front-end engineering experience using React + Typescript/JavaScript Experience with NextJS and Vite Cloud experience (AWS or Azure) Knowledge of Git and Git-based version control tools Experience with ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
City of London, London, United Kingdom
optimising services that power our EV testing, reporting, and data-sharing products. This role is primarily backend-focused, but familiarity with modern frontend frameworks (React/React Native/Next.js) is a bonus. Key Responsibilities Develop and maintain robust, high-performance .NET 8+ APIs and services. Work with Azure Functions … clean architecture, performance, and testable code. Interest in the EV, sustainability, or data analytics space is a plus. Nice to Have Experience with React/Next.js/React Native or TypeScript . Experience integrating third-party APIs (OEM, OBD, or telematics data). Familiarity with data pipelines and event-driven ...

Founding Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
tier VC funds and angels from the likes of DeepMind. 🌍 Location: London (in-person) 💰 Compensation: £115k–£228k + 0.5–1.5% equity 🏗️ Tech: Node.js, React, AWS, CI/CD, scalable backend systems 🚀 Founding Engineer | Up to £230k + Large Equity (Up to 1.5 ...

Python Developer

Hiring Organisation
Insight Global
Location
City of London, London, United Kingdom
Python development experience. Strong understanding of monitoring platforms and scripting. Ability to schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience in Bank of America ...

Senior Full Stack Engineer (Python/TypeScript)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Full Stack Engineer – AI Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, hybrid 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. The platform ...

Application Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

Applications Developer

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
SharePoint. Strong knowledge of programming language with expertise in web development. Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular. ...

Staff Product Engineer

Hiring Organisation
Annapurna
Location
City of London, London, United Kingdom
emerging engineers, raising the technical bar across the organisation Produce clear written documentation to align engineering, product and operations Tech Environment Full-stack TypeScript, React, Postgres Modern cloud infrastructure (AWS, Terraform) Strong observability and monitoring practices Data platforms and analytics tooling AI-powered systems working with complex, unstructured real-world ...

Mobile App Developer - IoT Payment Technology

Hiring Organisation
Enterprise Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
role has become available at a company developing the latest in IoT payment technology for a Mobile App Developer with experience in React Native development. With this payment solution being used by financial institutions, wearable manufacturers as well as events and stadium owners, the possible applications of this secure payment … well as developing other supporting applications with the rest of the development team. They are looking for someone that has strong experience in React and React Native as well as hands-on experience with native iOS and Android. This role is mostly working from home. You would need ...

Senior UI/UX Designer & Frontend Developer Mobile, Figma, JavaScript

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Senior UI/UX Designer & Frontend Developer Mobile, Figma, JavaScript, React - Global O utstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within … seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...