Software Developer Pythonreact Jobs in London, UK

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London Based Staff Full Stack Engineer – GenAI & LangChain

A leading software development firm is seeking a hands-on full stack engineer to join their team in London. The ideal candidate will lead teams in delivering high-quality software and must possess strong skills in TDD, agile methodologies, and various programming languages including Python and React. This role i ...

Senior Platform Engineer: AI Driven SDLC & Cloud Ops

A diversified trading firm is seeking a skilled Software Engineer to design and maintain build/release/run tooling for development teams. Candidates should have six or more years of experience in software engineering and proficiency in GitHub Actions and at least one programming language such as Python, Go, Java ...

Senior React Tech Lead Equities Frontend

TwinThread is looking for a Senior Lead Software Engineer in Greater London. In this role, you'll be part of an agile team enhancing and delivering technology products. Your responsibilities include providing technical guidance, developing secure production code, and influencing product design. The ide ...

Global Platforms Product Lead

WORLDPAY, LLC in Greater London is seeking a Head of International Platforms Product to drive the product strategy and global roadmap for software-led payments. You will be responsible for evolving the international platform experience for our software partners and lead a team of product managers. The ...

Staff Middleware Engineer, Autonomous Driving

Rivian is seeking a Software Engineer specializing in safety-critical self-driving middleware in the Greater London area. You will design, develop, and deploy software essential for self-driving features, applying your expertise in C++ and working with distributed systems. Ideal candidates will have 8+ ...

Lead GPU Platform Architect

A leading technology company in Greater London is seeking a highly motivated engineer to join their GPU Architecture Team. The position involves innovating solutions for future GPU architectures, including close collaboration with software partners. Required qualifications include a BS degree and experience in G ...

Senior Regulatory Affairs Lead – SaMD & AI Health Tech

SciPro is seeking a Senior Regulatory Affairs Manager to support regulatory strategy and compliance for AI-enabled software products in healthcare. The role requires expertise in Regulatory Affairs related to Software as a Medical Device (SaMD) and works closely with cross-functional teams. Ideal candidates have ...

Full Stack Cloud Engineer (AWS, React) — Hybrid

EDF (UK) seeks a Full Stack Software Engineer in Greater London to design and develop digital solutions. You will work across the full software lifecycle, from development to deployment, utilizing modern cloud and DevOps practices to contribute to scalable solutions. You should have experience with AWS ...

Product AI Engineer — Build Enterprise AI Platforms

NewsNowGh is seeking a Product AI Engineer in London, UK, to design and develop AI-powered enterprise applications. This role involves collaborating directly with founders and teams to design scalable systems and integrate cutting-edge AI solutions. The ideal candidate will have proficiency in software ...

Senior Implementation Consultant — Risk & Data Platform

Oceanredpartners is seeking a Senior Implementation Consultant based in London to lead software implementations for trading firms. You will collaborate closely with clients to understand their risk management and develop configured workflows, enhancing operational processes. The ideal candidate has 8+ ...

Senior Python Engineer – AI/ML Infra & Pipelines (Hybrid UK)

Mitra Bio Ltd in Greater London is seeking a skilled software engineer to refactor code for production. Responsibilities include optimizing cloud and AI infrastructure and working closely with the Data Science team for data integration. Candidates should have at least 5 years of software development experience, ...

GCP & Technical Infrastructure Engineering Manager

Google is seeking a Software Engineering Manager in Greater London to lead engineering teams and manage large-scale projects across the company. The role requires a Bachelor's degree and significant experience in software development, including full stack and technical leadership. Responsibilities include aligni ...

QA Automation & Testing Engineer (CI/CD, Agile)

Methods Business and Digital Technology in Greater London is seeking a skilled Software Tester to execute functional and exploratory testing across web and mobile applications. The role requires proven experience in software testing, understanding of Agile methodologies, and skills in automation tools like Selen ...

Senior Full Stack AI Engineer ML & GenAI

Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

Platform Architect Scalable AI Backend (Regulated)

Techmunity, an AI-native startup in Greater London, seeks an experienced software engineer to design the architecture of a platform aimed at a major UK market. This role involves creating and maintaining a scalable and secure system that supports their upcoming public launch. The ideal candidate has at ...

Senior Full Stack Engineer — Lead React/NextJS & AWS (Remote)

Cancer Research UK is seeking a Senior Software Engineer to join their team in Stratford. The role involves delivering software applications, mentoring junior engineers, and applying Agile principles. You will work flexibly, either in the office or remotely. The ideal candidate has experience with Type ...

Senior Node.js & TypeScript Backend Engineer — Hybrid (London)

Digital Waffle in London is seeking an experienced Backend Software Engineer for a full-time role. You'll work on enterprise-level software for an innovative SaaS company focused on enhancing their core AI product. Responsibilities include building scalable APIs and ensuring multi-user reliability and ...

AI Product Engineer — Build Next‑Gen Sustainability Tools

Open CEDA is seeking a software engineer specializing in AI to join their London office. You'll lead efforts to build AI tools for sustainability reporting, leveraging LLMs and other technologies to enhance customer experiences. The ideal candidate has over 5 years of software engineering experience, w ...

Blockchain & DLT Engineer II Java, Python & TS

TwinThread is looking for a Software Engineer II in London to join our engineering team. You will contribute to the development of blockchain applications using Java, Python, and TypeScript. The role offers the opportunity to engage in collaborative projects with experienced engineers, focusing on scalable and s ...

Staff Fullstack Engineer Real Time Web & 3D Visualization

Wayve is seeking a Staff Fullstack Software Engineer to lead the technical direction of their in-vehicle web experience in London. You will manage a high-impact product used in live vehicle operations, working with advanced AI solutions. The ideal candidate has proven experience in leading software sys ...

Robotics Test Engineer: Real Robot Validation & CI/CD

Humanoid is seeking a Robotics Test Engineer in Greater London to validate software releases and evaluate policies for our humanoid robots. Candidates should have over 3 years of experience in software test engineering, a strong proficiency in Python, and familiarity with ROS2. The role involves both manual and ...

ML Inference Engineer Private Cloud Compute

A leading technology company in Greater London is seeking a skilled Software Engineer to enhance private cloud compute systems. The role involves developing frameworks in Swift and C++ for ML inference tasks. The successful candidate will ensure high-quality software delivery and benefit from a diverse team cult ...

Barcelona Based Lead AI Platform Engineer (Hybrid)

Clarivate is seeking a Lead Software Engineer for Al Product Development to join their AI Engineering team in Greater London. This role involves designing scalable AI-powered software solutions, collaborating with cross-functional teams, and shaping AI platform initiatives from concept to implementation. Ideal c ...

Senior Applied AI Agent Engineer — Cloud AI Solutions

Google Inc. is seeking an experienced software engineer in London, UK to develop next-generation AI technologies. This role focuses on partnering with key customers to deliver custom AI solutions, optimizing ML infrastructure, and ensuring successful product deployment. The ideal candidate will possess ...

Senior Applied AI Agent Engineer — GCP

Fitbit is seeking a Senior Staff Applied AI Agent Engineer in London, with expertise in software development and machine learning. The candidate will partner with customers to create unique conversational AI solutions and lead efforts in designing optimized ML frameworks. A minimum of 8 years experience in softw ...

Senior Backend Engineer, Guest & Host — Europe

Airbnb in Greater London is seeking a skilled Software Engineer with expertise in backend development, particularly in Java and Kotlin. The role involves driving critical projects, mentoring junior engineers, and collaborating with cross-functional partners to optimize performance across Airbnb's platforms. Cand ...

Senior Data Engineer AWS, Snowflake & Terraform

Lendable is seeking a Senior Software Engineer (Data) to enhance and scale its data infrastructure in Greater London. The role involves developing tooling, maintaining AWS and Snowflake data solutions, and implementing security best practices. Ideal candidates will have strong software development skills, partic ...

Senior Backend Engineer Payments & API

A financial technology company in Greater London is searching for an experienced Software Engineer to lead the design of their B2B API and payments infrastructure. Ideal candidates have at least 8 years of software engineering experience, a background in financial services, and are comfortable working with Node. ...

Senior Cloud Platform Engineer — Security & Scale

A security solutions startup in the United Kingdom is seeking a Software Engineer to develop cloud services focused on security. In this role, you'll design and maintain cloud infrastructure, contribute to software applications, and collaborate with the engineering team. Ideal candidates will have at least 6 yea ...

Senior Appian Solutions Architect

A leading software solutions provider is seeking a Senior Technical Consultant to join their Customer Success team in London. This role involves engaging with customers post-sales to develop software solutions and drive digital transformation. The ideal candidate will lead projects from design to implementation, ...

Engineering Leadership: Build Scalable Health Tech

A leading healthcare organization in the UK is looking for a Head of Engineering to lead and support software engineering teams. This full-time hybrid role involves driving the development of digital products to enhance patient healthcare experiences. The ideal candidate has a degree in Computer Science and exte ...

Engineering Leader: AI, Scalable Digital Platforms

Lebara Media Services Private Ltd is seeking a Technical Leader to provide technical guidance for digital initiatives. The role involves leading cross-functional Agile teams, advocating for best practices in software development, and ensuring alignment with company goals. The ideal candidate will have over 10 ye ...

Senior Frontend Engineer – Scalable Enterprise UI

A global technology company in Greater London is looking for a Frontend Engineer to join their TechOps team. In this role, you will be responsible for developing high-quality software products, implementing features, and resolving bugs. The ideal candidate will have over 5 years of software development experienc ...

Data Flywheel Engineer for AI Eval Pipelines

A leading tech firm in Greater London is seeking a Software Engineer to build systems and pipelines that enhance data quality. The role requires over 3 years of experience in software engineering, particularly with Python and SQL. You will have the opportunity to shape how the company measures and improves answe ...

Frontend Focused Engineer (React/TS/Python) Equity

Oliver Bernard is seeking a Frontend leaning Fullstack Engineer (React/TypeScript/Python) in Greater London with a salary of up to £120k+ plus equity. You will join a fast-growing Seed start-up, owning systems end-to-end, from design to production. This role requires at least 3 years of experience in building pr ...

Aviation Solutions Consultant Tracking+ Implementations

Veryon Work Center is seeking a Business Consultant in Greater London, UK. In this role, you'll lead the configuration and delivery of the Tracking+ software for global aviation clients. Your responsibilities include guiding clients on best practices, understanding their workflows, and managing training and repo ...

Senior Linux Kernel Driver Architect for AI Accelerators

A pioneering AI technology company in the UK is seeking Senior Linux Kernel Driver Engineers to develop innovative Linux drivers and optimize software for their groundbreaking AI accelerators. As part of a fast-growing team, you will work closely with hardware and software engineers in a highly collaborative env ...

Senior Frontend Engineer Greenfield Ecommerce (Contract)

Simply Commerce Group is looking for an experienced Software Engineer to join their internal engineering team on a full-time, 6-month contract. This role involves working in an agile environment, making data-driven decisions, and owning features end-to-end in a new greenfield commerce platform. Ideal candidates ...

Applied AI Engineering Manager: Build & Scale GenAI

Google DeepMind is seeking a Manager, Applied AI to lead the development of innovative applications utilizing generative AI models. The manager will oversee a team responsible for delivering robust software solutions, guiding feature development, and collaborating with research teams. Candidates should have sign ...

Embedded Linux Engineer Hybrid London AI Networking

IC Resources is seeking an Embedded Linux Engineer in London with a hybrid working model. This role involves developing embedded and host software that powers high-speed networking and photonics-based systems. The ideal candidate will collaborate with hardware and systems teams, contributing to embedde ...

Senior AI Deployment Architect — Enterprise & Multi Agent

Smartsheet is seeking an experienced software engineer to lead complex AI deployments, customizing solutions to enhance workflows. You will manage customer relationships and ensure the quality of deployment kits. With a strong background in software engineering, you will also mentor junior engineers and drive ...

Senior AI Engineer, Global Treasury & Payments Platform

A global financial technology firm seeks a Senior Software Engineer to develop innovative AI-driven solutions that enhance customer support and automation. You will lead the architecture and implementation of AI solutions that drive internal efficiency and impact customer interactions. The role demands expertise ...

Senior Node.js/TypeScript Engineer – Build Scalable FinTech APIs

A leading embedded investment platform in the UK is looking for a Senior Software Engineer to design, build, and operate reliable software solutions using Node.js and Typescript. You'll work collaboratively in cross-functional teams and own your services end-to-end. The ideal candidate has experience with AWS an ...

Senior ML Platform Test Engineer & Automation Lead

A leading technology firm in Greater London seeks an experienced Software Engineer to design and build tools for validating ML data pipelines. Applicants should have over 8 years of software development experience with a focus on Python and AWS services. Responsibilities include developing automation frameworks ...

Senior C# Engineering Leader Finance & Azure

A financial technology firm in the United Kingdom is seeking a Senior Software Engineer to lead a product-focused team. The role involves team leadership, solution delivery, and mentoring engineers while working with a Microsoft technology stack. Key responsibilities include overseeing technical delivery, collab ...

Embedded Linux Systems Engineer (IoT/Ubuntu Core)

Canonical is seeking a Linux Devices Software Engineer to contribute to cutting-edge embedded systems technology. The role involves software development for Ubuntu Core and engaging with the wider open-source community while working with leading silicon partners. Candidates should have a strong academic backgrou ...

Lead Security Engineer Platform & DevSecOps

A global financial services firm is looking for a Lead Security Engineer to enhance the security of software delivery processes. This role involves collaborating with engineering teams to design and implement security controls within CI/CD pipelines, improve supply chain security, and address security risks in c ...

Senior Pricing Change Architect (Hybrid)

A leading UK insurance provider is seeking a Senior Change Delivery Specialist to join their Motor team. This role involves supporting the development of pricing strategies through the implementation of changes to the Radar rating software. Candidates should have knowledge of the WTW Radar software, experience i ...

Senior Backend Engineer for Scalable Data & AI Systems

A data-driven software company in Greater London is seeking a Backend Software Engineer to lead the architecture and development of scalable backend services. The role involves building robust APIs, collaborating with other engineers, and optimizing performance. Candidates should have 6+ years of experience in b ...

Live Trading QA Engineer Frontend & Backend Automation

Oceanredpartners in London is seeking a QA Engineer to test software that powers live equity markets across Europe. You will design and run test scenarios, write automated test scripts, and collaborate closely with developers and analysts. Ideal candidates should have strong experience in testing complex softwar ...

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    Software Developer Pythonreact Jobs in London Job Search Guide, Trends and Insights