Lead Software Engineer Python Java Jobs in London, UK

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DevOps Engineer

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.Through our people and technology, we conn ...

Solutions Architect with Pre Sales Experience (IT) in London Nexus Jobs Limited

Solutions Architect with Pre Sales Experience (IT) London, United Kingdom Posted 9 months ago Tech Stack MySQL Go Databases Oracle Java Scala Python J2EE NoSQL Technical Requirements ...

Business Analyst Investment Banking in London Talan

Business Analyst Investment Banking London, United Kingdom About the role This role focuses on trade and transaction reporting, especially in FI, FX and e-commerce. The candidate should have strong knowledge of financial markets and regulations, and experience with trade flows a ...

Solutions Architect with Pre Sales Experience (IT) in London Nexus Jobs Limited

Solutions Architect with Pre Sales Experience (IT) London, United Kingdom Posted 9 months ago Tech Stack MySQL Go Databases Oracle Java Scala Python J2EE NoSQL Technical Requirements ...

Full Stack Engineer

This range is provided by Premier Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Full Stack Developer Opportunity Location: London (Office-based, collaborative team) Industry: Data Analytics / So ...

Senior Developer

Senior Developer 6 months Remote Inside IR35 - Umbrella only Active SC security cleared or eligible candidates will be considered Experience Experienced in TDD and working with complex data challenges. Python as the p ...

DevOps QAT Automation Engineer / DevOps Test Engineer

QAT Automation Engineer / DevOps Test Engineer AWS | Python | CI/CD | SC / DV Cleared We are supporting a secure government programme looking to hire a highly technical QAT Automation Engineer / DevOps Test Engineer to join a modern cloud-native software engineering team. This is no ...

DevOps QAT Automation Engineer / DevOps Test Engineer (SC or DV Cleared)

QAT Automation Engineer / DevOps Test EngineerAWS | Python | CI/CD | SC / DV ClearedWe are supporting a secure government programme looking to hire a highly technical QAT Automation Engineer / DevOps Test Engineer to join a modern cloud-native software engineering team.This is not ...

Senior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, Hybrid

Senior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, Hybrid Senior Machine Learning Engineer | Computer Vision | Deep Learning | Python | C++| London, Hybrid Get AI-powered advice on this job and more exclusive features. Direct message the job pos ...

Research Engineer

Job Overview We are looking for a Research Engineer with strong software development skills to join our team. The ideal candidate will possess a minimum of three years of relevant work experience. Responsibilities Streamlining existing processes and assisting with ...

Engineering Manager Software & ML

About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments. You’ll lead and grow a team that builds the core software powering our data‑driven financial products, ensuring our models ...

Engineering Manager Software & ML

About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments. You’ll lead and grow a team that builds the core software powering our data‑driven financial products, ensuring our models ...

Hybrid Node.js & React Engineer – 1 day in office

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

NodeJS Developer in London Quant Capital

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

Senior Software Engineer, AI Centre of Excellence Software engineering London

As a Senior AI Engineer within Checkout.com’s AI Centre of Excellence, you will drive the adoption of cutting‑edge Generative AI technologies to transform how we operate and innovate. You will mentor peers, set engineering best practices, and shape Checkout.com’s AI strategy, while also designing, building ...

Senior Software Engineer, Unified Platform (Reference Data)

DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportuniti ...

Senior Software Engineer, Unified Platform (Reference Data)

DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportuniti ...

Platform Operations Engineer: Observability & FinOps (Hybrid)

A deep-tech company in London is seeking a Senior Platform Engineer to enhance their AI-driven simulation software capabilities. The role involves managing the observability stack, driving FinOps practices, and implementing security policies across cloud providers. The ideal candidate should have significant Dev ...

Senior Software Engineer — Client Eligibility Platform

A leading financial information provider is seeking a Senior Software Engineer to join their Client Compliance team in London. This role involves designing and building compliance platforms that manage client eligibility and streamline workflows. Candidates should have 5+ years of experience in software developm ...

Staff Platform Engineer – Neurosymbolic AI at Scale

A forward-thinking AI company is seeking a Staff Software Engineer to shape the technical direction of its platform. The ideal candidate will possess deep expertise in Python, strong system design skills, and a proven track record in production-quality engineering. Responsibilities include writing code, mentorin ...

Software Engineer, Research Quantitative Data Systems

A leading trading firm is seeking a Software Engineer for their Cumberland Systematic team in London. You will design and develop full-stack systems for global trading operations. The ideal candidate will have strong Python experience and the ability to work independently while collaborating directly with quanti ...

Platform Engineer: Kubernetes & ML Platform

A biotech company in London is seeking a Software Engineer to join its Platform Team. This mid-senior level role involves developing and managing Kubernetes-based applications and enhancing CI/CD pipelines to support machine learning projects. Candidates should have at least 3 years of experience in software eng ...

Cloud AI for Science Software Engineer

A leading biopharma company in Greater London seeks a Software Engineer to develop scalable infrastructure for AI models. You will work within an AI team, designing robust software solutions that handle large-scale data, ensuring high performance and collaboration with domain experts. Ideal candidates will posse ...

Platform Engineer: AI Infra & GPU Compute

WNTD in the United Kingdom is hiring a Platform Engineer to design and build applications that enhance AI infrastructure software. This hands-on role requires strong Python skills and deep experience with Kubernetes, focusing on real platform software rather than generic DevOps tasks. Key responsibilities includ ...

Immersive VR Teleoperation Engineer for Humanoid Robots

Thehumanoid is seeking a Software Control Teleoperation Engineer in London to innovate VR-based teleoperation for humanoid robots. You'll design real-time communication software that integrates human operators with robots via VR headsets and wireless streaming. Candidates should have 5+ years of experience in VR ...

Senior Real Time Data Reliability Engineer

Bloomberg L.P. is seeking a Senior Software Engineer in London to enhance the reliability of their real-time data platform. In this role, you will design and maintain scalable software that supports global distribution infrastructure and work closely with various teams to improve system reliability and performan ...

Cyber Software Vulnerability Engineer — Reverse‑Engineering & Defense

Forwardrole is seeking a Cyber Software Vulnerability Engineer to join their National Security division. This position involves software analysis, reverse engineering, and collaboration with cybersecurity teams to enhance security measures. Candidates should have proficiency in C/C++, Python, and experience with ...

Principal AI Software Architect & SVP (Hybrid)

Citi is seeking a Principal AI Software Engineer in Greater London to design and implement advanced AI systems. You will need exceptional Python skills, experience with Generative AI and LLM frameworks, and a comprehensive understanding of software design principles. The role involves architecting cutting-edge s ...

Senior Backend Engineer, AI Infra & Scale

Nebius is looking for a software engineer in Greater London to join their team focused on AI cloud infrastructure. The role involves scaling distributed systems, optimizing AI performance, and enhancing system reliability. Candidates should have at least 5 years of software development experience, strong skills ...

Founding Software Engineer, Autonomous Drone Perception

Seeing Systems (YC W26) is hiring a Founding Software Engineer to design and build the core autonomy stack for their autonomous drones in Greater London. This technical role involves developing perception and state estimation systems as well as building algorithms in simulation environments. Candidates should ha ...

Low Latency C++ Engineer for Trading Systems

Hunter Bond is seeking an experienced C++ Software Engineer to develop performance-critical trading systems in Greater London. The successful candidate will join a core engineering team focused on low-latency, high-throughput systems that are integral to trading operations. Responsibilities include building and ...

Safeguards Infra Engineer Build Safe AI, Flexible Hours

A technology company in London is seeking a Software Engineer for Safeguards Infrastructure. In this role, you will develop critical safety mechanisms for AI systems. Ideal candidates will have a Bachelor's degree and 4 to 10 years of software engineering experience, proficiency in Python, and the ability to com ...

Senior Omics Imaging Software Engineer (Hybrid)

A leading research centre in Greater London is looking for a Senior Research Software Engineer to develop software tools for merging in-vivo functional data with ex-vivo transcriptomics data. The ideal candidate should possess strong programming skills in Python and experience in image registration and analysis. ...

Applied AI Engineer — Build Production Scale AI Agents & RAG

A leading AI workflow company in Greater London seeks a Senior Software Engineer to own AI agent infrastructure. The position involves backend development using Python and building AI-powered features in production environments. Candidates should have at least 5 years of professional software engineering experie ...

Founding AI Software Engineer for Enterprise Deployments

An innovative Insurtech startup in Greater London is seeking a Software Engineer to build AI solutions that transform commercial insurance risk assessment. In this role, you'll ship features, manage enterprise deployments, and collaborate with clients. The ideal candidate has over 7 years of software engineering ...

AI Native Junior Software Engineer Remote & Flexible Hours

A leading cleaning services platform in London is seeking a Junior Software Engineer to solve complex problems and build scalable platforms. You will work with a variety of technologies such as Python, Django, and Angular, and contribute to improving user experiences. The ideal candidate will have a strong educa ...

Senior Modelling Engineer — Scalable Training Platform

A leading training platform for runners in London seeks a Software Engineer to enhance their app by building and improving training features. Applicants should have 3+ years in software engineering, proficiency in Python, and strong algorithm design skills. The role involves collaboration across teams and requir ...

Senior Software Security Engineer — Flexible Hours

A leading AI research organization in the UK is looking for a Software Security Engineer to enhance the security of AI systems. The ideal candidate will have strong programming skills in Python or a systems language, extensive experience in software engineering, and a passion for AI safety. This position offers ...

Integrations Engineer — Agentic AI & CRM Apps

A leading customer communications platform in Greater London is seeking a Software Engineer to contribute to key native integrations and work with teams to enhance customer experiences. This hybrid role requires 3+ years of experience in software engineering, proficiency in Python or JavaScript, and familiarity ...

Cloud Image Engineer Ubuntu Linux & CI Automation

A leading open source software company in Greater London is seeking a Software Engineer to work on cloud infrastructure and automation. The role involves building and maintaining robust delivery pipelines for Ubuntu, collaborating closely with partners including Amazon and Microsoft, and contributing to the open ...

Staff AI Systems Engineer LLMs & AWS

StepStone Group in Greater London is seeking a Staff Software Engineer (AI) to design and build agentic AI systems. This strategic role focuses on integrating LLMs into reliable architectures. Responsibilities include leading AI solutions, collaborating with cross-functional teams, and shaping product deployment ...

Realtime Quant Platform Engineer: Scale & Research

G-Research, located in Greater London, seeks a Software Engineer in Realtime Quant Frameworks. This role involves building systems that support high-performance research, leveraging F#, Python, and Kubernetes. Ideal candidates will have strong software engineering backgrounds and familiarity with distributed sys ...

Senior Software Engineer Trading Shared Services

A leading financial technology firm in London seeks a Senior Software Engineer to develop high-performance distributed systems for its Electronic Trading platforms. The ideal candidate will have significant experience in C++ and Python, a strong understanding of software design principles, and a commitment to de ...

Platform Operations Engineer: Observability & FinOps (Hybrid)

A deep-tech company in London is seeking a Senior Platform Engineer to enhance their AI-driven simulation software capabilities. The role involves managing the observability stack, driving FinOps practices, and implementing security policies across cloud providers. The ideal candidate should have significant Dev ...

Senior Modelling Engineer — Scalable Training Platform

A leading training platform for runners in London seeks a Software Engineer to enhance their app by building and improving training features. Applicants should have 3+ years in software engineering, proficiency in Python, and strong algorithm design skills. The role involves collaboration across teams and requir ...

Software Engineer, Research Quantitative Data Systems

A leading trading firm is seeking a Software Engineer for their Cumberland Systematic team in London. You will design and develop full-stack systems for global trading operations. The ideal candidate will have strong Python experience and the ability to work independently while collaborating directly with quanti ...

Senior Software Engineer — Client Eligibility Platform

A leading financial information provider is seeking a Senior Software Engineer to join their Client Compliance team in London. This role involves designing and building compliance platforms that manage client eligibility and streamline workflows. Candidates should have 5+ years of experience in software developm ...

Senior Real Time Data Reliability Engineer

Bloomberg L.P. is seeking a Senior Software Engineer in London to enhance the reliability of their real-time data platform. In this role, you will design and maintain scalable software that supports global distribution infrastructure and work closely with various teams to improve system reliability and performan ...

Senior Real Time Data Reliability Engineer

Bloomberg is hiring a Senior Software Engineer in London to work on their real-time data platform. The role focuses on engineering reliability through software, designing scalable and fault-tolerant systems. Candidates should have experience with object-oriented programming (preferably Python or C++) and strong ...

RegTech Backend Engineer Graduate – Flexible Hours

Suade is seeking a RegTech Engineer to join their Graduate Software Engineering programme in London. You will work on developing innovative RegTech software, translating regulatory requirements into code primarily using Python, and collaborating with a diverse team. This role includes responsibilities ...

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