Lead Software Engineer Python Java Jobs in London, UK

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Full Stack Engineer: Build the Liquid Brain Platform

A tech-driven company based in London is looking for a Full Stack Engineer to enhance their innovative Liquid Brain® platform. The ideal candidate will demonstrate a strong foundation in software development, particularly in hardware interactions and user interface design. Responsibilities include owning parts o ...

Senior Platform Engineer — AI Driven Materials Cloud

A leading technology firm in London is seeking a Senior Software Engineer to shape the core technology of their innovative materials platform. The successful candidate will have autonomy and influence in architectural decisions, collaborating closely with scientists and engineers. This role requires 5+ years of ...

Game Engine Engineer: Build Editable Worlds

A profitable video game start-up in London is seeking a Software Engineer to join their small team. The ideal candidate should have 1 to 4 years of experience in software or game development, and a passion for creating engaging gaming experiences. Responsibilities include developing new gameplay systems and buil ...

GenAI & Agentic AI Engineer for Finance – Hybrid London

Hawksworth is seeking an AI Software Engineer with experience in GenAI and agentic AI frameworks, including LangGraph and CrewAI, to join their team in London. This hybrid role requires hands-on experience creating AI solutions and the ability to deliver robust software for tier 1 financial clients. Candidates s ...

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 ...

Embedded Firmware Engineer for Electric Bike Systems

Deepstreamtech in Greater London is seeking a Firmware Engineer to deliver robust embedded software for Brompton Electric products. You will manage the full product lifecycle, from prototype development to production. Responsibilities include designing, testing, and maintaining embedded software, collaborating w ...

Senior Full Stack Engineer, TechOps — Self Service & Scale

A digital energy supplier in the UK is looking for a Full Stack Software Engineer to join their TechOps Engineering team. This role involves creating innovative solutions to enhance user experiences while collaborating across various teams. Candidates should have 5+ years of software development experience, part ...

Senior Go Engineer Containerized AI Agents (Remote)

A leading software company is seeking a skilled Software Engineer with expertise in Go and a passion for AI technologies. This remote-first role includes responsibilities such as designing containerized systems and maintaining the open-source cagent project. The ideal candidate will have strong system architectu ...

Senior Fullstack Engineer – AI Powered FinTech Platform

A global AI-native technology solutions provider seeks a Senior or Staff Fullstack Software Engineer to enhance their financial platform in London. This role focuses on designing high-performance services, developing APIs, and ensuring integration with various systems. Candidates should have over 7 years of soft ...

Senior Full Stack Engineer — Product & Data (London, Hybrid)

A technology company located in London seeks a Full-stack or Front-end Software Engineer dedicated to enhancing customer experience through quality code and teamwork. The ideal candidate has a minimum of 3 years in software engineering and a passion for data-driven solutions. Responsibilities include collaborati ...

Senior SDK Engineer Onboarding & Web Platform

A financial technology company in Greater London is seeking an experienced software engineer to architect and build a client-side SDK. This involves designing a JavaScript/TypeScript interface for identity verification and engaging with customers to ensure seamless integration. Ideal candidates will have over 5 ...

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 ...

Platform Engineer Automation (Terraform / Ansible) Elite FinTech £80,000 £150,000 + Bonus

Platform Engineer - Automation (Terraform / Ansible) - Elite FinTech - £80,000-£150,000 + Bonus This range is provided by Hunter Bond. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Location: London / Hybrid The R ...

Senior Platform Engineer: Cloud, Kubernetes & CI/CD

Worldpay is seeking a Senior Software Engineer - Platform Engineer to join their Cyber team in Greater London. This role involves maintaining and automating AWS infrastructure using Terraform, collaborating on product vision and roadmap, as well as participating in development and support processes. Ideal candid ...

Senior Bridge Engineer London | Design & Assessment

WSP USA is seeking a skilled Senior or Principal Bridge Engineer to join their London team. This role involves bridge design, inspections, and providing civil engineering support. The successful candidate will be a Chartered Civil or Structural Engineer with project management skills and experience in relevant s ...

Senior Structural Engineer

An exciting opportunity has arisen for a Senior Structural Engineer to join a rapidly growing engineering consultancy in their Clerkenwell office. This role offers the chance to play a key part in delivering high-quality structural solutions across a diverse portfolio, while contributing to the continued expansi ...

Senior QA Automation Engineer

At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire within you.So, what’ ...

Senior Product Engineer

Senior Product Engineer This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. About the Role We're looking for someone with excellent technical expertise who can help take Caribou's product team to the next level. You need to b ...

Senior UX/UI Developer

Join to apply for the Senior UX/UI Developer role at OpenRent Join to apply for the Senior UX/UI Developer role at OpenRent Get AI-powered advice on this job and more exclusive features. We're looking for a Se ...

AI Engineer / Data Scientist

AI Engineer / Data Scientist (x2) - Inside IR35 Location: UK (London & Bristol, 1-2 days onsite per week, flexible) Clearance: BPSS eligible prior to starting Engagement: Contract Submissions: Strictly max 2 profiles initially Overview We're seeking two e ...

Senior Application Security Engineer

Application Security Penetration Testing SDLC OWASP Security Automation We are seeking a Senior Application Security Engineer to enhance our team and elevate our application security testing. You will be responsible for penetration testing, remediation, and creating automated security products to e ...

Senior Staff Engineer, Generative AI & Applied Innovation

A leading global technology company is seeking a Staff Software Engineer specializing in Generative AI. Based in London, you will drive the development and execution of innovative machine learning solutions while collaborating with cross-functional teams. Ideal candidates have 8+ years of software development ex ...

Senior Staff Engineer, Generative AI & Applied Innovation

A leading global technology company is seeking a Staff Software Engineer specializing in Generative AI. Based in London, you will drive the development and execution of innovative machine learning solutions while collaborating with cross-functional teams. Ideal candidates have 8+ years of software development ex ...

Graduate Security Operations Engineer Start July 26

Graduate Security Operations Engineer Start July 26 London / WFH to £40kAre you a bright, ambitious Computer Science graduate with a keen interest in Cyber Security, looking to progress your career? You could be learning from a hugely talented team at a rapidly expanding scale-up software ...

Platform Engineer

Platform EngineerA fantastic opportunity for an experienced Platform Engineer to join a forward-thinking software company working at the cutting edge of AI-driven solutions. This is a high-impact, individual contributor role where you will take ownership of assessin ...

AWS Solution Architect

Seeking an Associate Principal with Hands on years of experience to lead the design and development of scalable serverless applications using AWS Lambda, AWS API Gateway, and AWS Step Functions within the Python AWS technology stack. About the Role Design and develop high quality scalable ...

Staff Engineer Labyrinth Screening

Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering and terrorist financing, enabling organisations to enforce sanctions at scale to help combat ...

AI Driven Engineering Lead — B2B SaaS (London)

Jack & Jill is looking for an Engineering Lead in London, UK, to manage a high-performance engineering team and contribute hands-on to product development. This position involves guiding technical direction on complex B2B SaaS solutions while fostering an AI-native culture. The ideal candidate will have proven e ...

Site Reliability Engineer (SRE), London, UK

Site Reliability Engineer (SRE), London, UK London, England, United Kingdom Software and Services The Apple Services Engineering (ASE) team is one of the most exciting examples of Apple’s long‑held passion for combining art and technology. These are the people who power the App Store, App ...

Distinguished AI Tech Lead, Initiatives

**AVEVA is creating software trusted by over 90% of leading industrial companies.** **Position: Distinguished AI Tech Lead, Initiatives** **Location: ** United Kingdom, Ireland, Spain, Germany, France, Sweden, Italy **Employment Type:** Full-time **The Job** We are h ...

Electronic Engineer

Electronics Engineer – Surrey Find out more about the daily tasks, overall responsibilities, and required experience for this opportunity by scrolling down now.We’re working with an engineering-led medical device company based in Surrey, developing advanced imaging hard ...

Senior Product Engineer, Full Stack Energy

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating i ...

Senior Product Engineer, Full Stack Energy

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating i ...

Linux Engineering Manager

About the PositionWe are seeking a leader for our growing team of Linux Engineers.Members of this group, managers and individual contributors alike, are hard-working Systems Engineers, Administrators, and Programmers, tasked with maintaining and improving the platform that powers ...

Senior SOC Analyst

About Motorway Motorway is the UK's fastest-growing used car marketplace - our award winning, online-only platform connects private car sellers with over 7,500 verified dealers nationwide, who compete to offer the best price. Founded in 2017, our technology makes the process refreshingly easy, ea ...

Head of DevOps

We are looking for a Head of Infrastructure to join our engineering team. This hybrid role is based in London, requiring 1–2 days per week onsite. You will manage existing infrastructure and scale production systems. Your responsibilities include Cloud Architecture, Reliability & Observability, Secu ...

Applied AI ML Senior Associate Machine Learning Engineer

Join a high performing team of applied AI experts to drive innovation and new capabilities in the Commercial & Investment Bank.As an Applied AI / ML Senior Associate Machine Learning Engineer in the Applied AI ML team at JPMorgan Commercial & Investment Bank, you will be at the forefront of combining c ...

Research Scientist Intern, AI/ML, Core Ads Growth (PhD)

**Summary:** Meta is embarking on the most transformative change to its business and technology in company history, and our Machine Learning teams are at the forefront of this evolution. By taking on crucial projects and initiatives that have never been done before, you have an opportunity to help advance t ...

Senior Engineer, Internal Tools

About Us We're building the world's leading cross-border fintech for emerging markets - empowering families, fueling local economies, and changing how millions access financial services. Since our launch in 2019, we have transformed how money moves across borders with our operat ...

Senior React Engineer (TypeScript) – Fintech Frontend

JPMorgan Chase is seeking a Software Engineer to contribute to innovative projects that prioritize customer needs. This role is integral to building scalable front-end solutions, especially using React with TypeScript, while promoting a collaborative environment. With a strong focus on maintaining code quality, ...

Senior Backend Engineer, Low Latency Trading (Rust/C++)

Blockchain.com is looking for a Senior Software Engineer to join their Institutional team in London. You will build low latency trading services and enhance the Order Management System (OMS). Candidates must have extensive experience in C++ and/or Rust, knowledge of trading systems, and a strong focus on deliver ...

Senior Backend Engineer, APIs & Data Pipelines

A cybersecurity leader is seeking a Senior Software Engineer for backend services and APIs in London. The ideal candidate has 3-5 years of software engineering experience, strong programming skills, and familiarity with Golang, cloud environments, and micro-service architecture. Responsibilities include implemen ...

Staff ML Engineer End to End Agentic AI, Remote EU/UK

Synthesia is seeking an experienced Software Engineer to take ownership of features for their new Interactive Agents product. This remote position requires at least seven years of software engineering experience, focusing on machine learning and back-end systems. The successful candidate will work closely with p ...

Senior Staff Applied AI Agent Engineer, GCP

corporate_fare Google place London, UK Apply Qualifications Bachelor’s degree or equivalent practical experience. 8 years of experience in software development. 8 years of experience testing and launching software products, and 3 years of experience with ...

Head of Integrations

This is a fantastic opportunity to join Luminance, the pioneer of Legal-Grade™ AI for enterprise. Backed by internationally renowned VCs and named in both the Forbes AI 50 list of ‘Most Promising Private AI Companies in the World’ and Inc. 5000’s ‘Fastest Growing Companies in America’, Luminance is disrupting ...

Sports Betting Trading Analyst

At Longshot Systems we build advanced platforms for sports betting analytics and trading.We're looking for a Sports Betting Trading Analyst to come and join our modelling team where you will be one of our sports & betting market experts. You'd be joining a small team and working closely alongside s ...

Quantitative Developer C++ Infrastructure for Quant Analytics

Quantitative Developer - C++ Infrastructure for Quant Analytics Location London Business Area Product Ref # Description & Requirements The Quant Analytics department at Bloomberg sits within Enterprise Products and is responsible for modeling market data, pr ...

Senior Sustainable Quantitative Developer

Role profile We are seeking a knowledgeable Quantitative Developer to join the Sustainable Index Research and Design team at FTSE Russell, a wholly owned subsidiary of the London Stock Exchange Group. The role reports directly to the Head of Sustainable Index Research and Design. The Sustainable ...

Senior Sustainable Quantitative Developer

Role profile: We are seeking a knowledgeable Quantitative Developer to join the Sustainable Index Research and Design team at FTSE Russell, a wholly owned subsidiary of the London Stock Exchange Group. The role reports directly to the Head of Sustainable Index Research and Design. The Sustainable ...

Machine Learning Engineering Intern

Snap Inc is a technology company focused on camera technology and augmented reality. The Spectacles team is pushing the boundaries of technology to bring people closer together in the real world. Our fifth‑generation Spectacles, powered by Snap OS, showcase how standalone, see‑through AR glasses ma ...

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    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights