Lead Software Engineer Python Java Jobs in London, UK

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Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office </ ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office Who We Are:AND Digital are a tech company focused on ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office </ ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office Who We Are:AND Digital are a tech company focused on ...

Senior Data Integration Engineer Platform & AI

DRW in the United Kingdom is looking for an experienced software developer to design and deliver software services and data tools that enhance their Data Platform. The ideal candidate will have over 8 years of experience in data-heavy software and be proficient in Python, Java, or C#. This role requires a strong ...

Senior Software Engineer TypeScript Full Stack

Senior Software Engineer (TypeScript Full Stack) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, h ...

Machine Learning Engineer

London, UK – 3+ Years | Full-Time We are looking for a highly capable machine learning engineer to optimize our machine learning systems. You will be evaluating existing machine learning (ML) processes, performing statistical analysis to resolve data set problems, and enhancing the accuracy of our ...

Software Developer (Python) Up to £140,000 + Bonus + Package

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Make your application after reading the following skill and qualification requirements for this position.Salary: Up to £140,000 + Bonus + Package Location: London (H ...

Forward Deployed Engineer

Forward Deployed Engineer (AI) | Up to £145k + Bonus | London (Hybrid, 2–3 days onsite) This is a well-established Data & AI consultancy working at the point where models meet production. They partner with some of the most advanced AI organisations globally and are brought in when things need to a ...

Lead Software Engineer Margin Technology Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build ...

Lead Software Engineer — Remote, Flexible Growth & Autonomy

A leading sports technology company in Greater London is seeking a Lead Engineer to drive innovation and technical strategy within their Human Performance group. This role involves mentorship, fostering collaboration, and delivering impactful solutions that enhance how athletes train and perform. The ideal candi ...

Lead Software Engineer Creatures FX, Rigging & Crowds

Dneg in Greater London is looking for a Software Team Lead to drive development in VFX and Feature Animation. You will lead a multidisciplinary team, acting as Product Owner, and collaborate with stakeholders to shape requirements and deliver high-quality tools. Ideal candidates have a degree in Computer Science ...

Lead Software Engineer, Frontier AI Platform (Hybrid)

A leading AI consultancy, located in Greater London, is looking for a Lead Software Engineer to scale their groundbreaking Frontier Decision Intelligence platform. The role involves driving technical contributions, designing customer-facing solutions, and collaborating with cross-functional teams. Ideal candidat ...

Principal Software Engineer Fleet Automation Lead (Remote)

A leading GPU cloud provider in the UK is seeking a Principal Software Engineer to lead the development of their Fleet Manager platform. The successful candidate will own the architecture of Python-based automation systems. Responsibilities include mentoring a team of engineers and establishing best practices fo ...

Senior Research Software Engineer: Lead Research Solutions

The Society of Research Software Engineering, based in Greater London, is hiring a Research Software Engineer or Senior Research Software Engineer to develop high-quality code supporting research projects. The role involves collaborating closely with research leads and using expertise in programming and innovati ...

Principal Software Engineer & Tech Lead – Gaming Platform

A global leader in interactive entertainment is seeking a Principal Software Engineer in London. You will lead the development of advanced software systems, mentorship of senior engineers, and define architectural standards. The ideal candidate has strong experience in software development, proficiency in C# and ...

Senior Lead Software Engineer Cloud & API Architecture

Job Description Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you’ll collaborate with talented professionals, grow your skills, ...

Lead Software Engineer — React/TypeScript PBSA Platform

Viridis Real Estate Services is looking for a Software Engineering Lead in Greater London. This crucial role involves leading the engineering function while actively contributing to code and technical solutions. Candidates should have over 10 years’ experience with full-stack or frontend-heavy web applications a ...

Senior Lead Software Engineering AI/ML Engineer

Job Description Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market-leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value y ...

Lead Software Engineer, Creature FX & Crowd Pipelines

DNEG is looking for a Software Team Lead to join their team in Greater London. This role involves balancing hands-on development with leadership while driving high-quality tool delivery in the VFX and Feature Animation sectors. Candidates should have a degree in Computer Science or Engineering, substantial C++ a ...

Front Office Greenfield Software Engineer (Lead & Build)

Stanford Black Limited, a boutique systematic trading firm, is seeking a Software Engineer to lead and develop bespoke applications within its core engineering team. The role focuses on greenfield engineering, working closely with Quant Traders to build performant systems. Candidates should have experience in te ...

Founding Software Engineer Lead Platform & Ops (Equity)

nineDots.io is seeking a Founding Engineer at the Senior/Staff Level in Greater London, offering a salary between £130,000 to £150,000. This role involves end-to-end ownership of the codebase and leading platform optimizations, collaborating closely with the CEO. Candidates should have a strong technical backgro ...

Senior Lead Software Engineer Secure, Scalable Cloud

A leading financial institution is seeking a Senior Lead Software Engineer to participate in building and delivering top-notch technology products. The role requires hands-on experience in system design and application development. You will contribute to technical guidance, code development, and influence produc ...

Senior Lead Software Engineer Cloud Native Microservices

Join JPMorgan Chase & Co. as a Senior Lead Software Engineer in Greater London, where you will develop cloud-native applications in a collaborative and innovative environment. This role requires deep expertise in Java and cloud technologies, alongside strong problem-solving skills. You will deliver secure, relia ...

Senior Software Engineer — Hybrid (Enfield) Lead & Innovate

Premier IT is seeking a Senior Software Engineer to join their team in Enfield. The role involves managing software development from initial specification to testing and verification, collaborating with cross-functional teams, and mentoring junior engineers. Candidates should have strong experience with C++ and ...

Lead Software Engineer – Public Sector & AI Integrations

Albert Invent is seeking a Lead Enterprise Software Engineer to lead the design, development, and delivery of software solutions for Public Sector clients. The ideal candidate will have 8–12 years of experience in software engineering with a strong focus on Microsoft technologies and integration. Responsibilitie ...

Lead Software Engineer Margin Technology Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Lead Software Engineer — Architect & Tech Leader (Hybrid)

Tails.com | B Corp is looking for a Lead Software Engineer to lead a cross-functional squad in delivering high-quality software. The ideal candidate will combine technical expertise with leadership skills to enhance operational efficiency and improve customer experience. Responsibilities include managing technic ...

Lead Software Engineer, DataMap Platform (Backend/Graph)

UCL is seeking a Software Engineer to lead the development of the DataMap platform for the UK Dementia Research Institute. This role involves designing and maintaining data-driven software, translating researcher requirements, and ensuring platform sustainability. Candidates should possess strong skills in softw ...

Senior Lead Software Engineering AI/ML Engineer

Job Description Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your s ...

Lead Software Engineer, Core Tech (C++ & Tools)

Sports Interactive Limited in London is looking for a Lead Software Engineer for their Core Tech team. The ideal candidate will have extensive experience in modern C++ and lead the design and implementation of scalable shared libraries. Responsibilities include managing engineers, providing technical leadership, ...

Lead Quantum Error Correction Software Engineer (Equity)

Humand Talent is seeking a Principal Scientific Software Engineer specialized in Quantum Error Correction. In this pivotal role, you will architect a cutting-edge quantum error correction software stack, lead technical teams, and work alongside experts to drive scientific progress in quantum technology. Ideal ca ...

Senior Lead Software Engineer Cloud & API Architecture

Job Description Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented professionals, grow your skills, ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia Ltd. is seeking a Principal Software Engineer with UK Security Clearance eligibility to lead software engineering efforts. This role involves hands-on technical leadership, shaping architecture, and mentoring engineers. The ideal candidate possesses strong experience in Domain Driven Design, microservice ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia in London is seeking a Principal Software Engineer to provide technical leadership in modern software systems. The role involves collaboration with delivery managers and engineers to enhance engineering standards and practices. Candidates should have substantial experience in Domain Driven Design and micr ...

Lead Software Data Engineer – GraphQL, AWS & GoLang

```htmlIntegration of Fragments ...these fragments share overlapping content related to the required experience in languages and frameworks including JavaScript, React, TypeScript, Python, and GoLang. This overlap allows us to piece them together in the correct order. After combining the overlapping ...

Lead Software Data Engineer in London LinuxRecruit

```htmlIntegration of Fragments ...these fragments share overlapping content related to the required experience in languages and frameworks including JavaScript, React, TypeScript, Python, and GoLang. This overlap allows us to piece them together in the correct order. After combining the overlapping ...

Lead Software Engineer – Cloud Native, Distributed Systems

Burns Sheehan is seeking a Lead Software Engineer to join their team in Central London. This role involves working with cutting-edge technologies like Golang, Rust, and Kubernetes to build sustainable cloud-native solutions. The ideal candidate will have in-depth knowledge of distributed systems and experience i ...

Senior Lead Software Engineer Cloud & API Architecture

Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented professionals, grow your skills, and make a real differenc ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Lead Software Engineer Cloud & API Architecture

Senior Lead Software Engineer – JPMorgan Chase Are you ready to shape the future of technology at a leading global financial institution? Join us and use your expertise to drive impactful solutions that power our business and support our clients worldwide. Here, you'll collaborate with talented p ...

Senior Lead Software Engineering AI/ML Engineer

Join us to shape the future of AI/ML data platforms, where your expertise will help create resilient and market‑leading solutions. You will have the opportunity to collaborate with innovators across our global network, driving strategic change and mentoring others. We value your skills in solving complex c ...

Senior Software Engineer Video Forensics Lead (London)

Axon Enterprise, based in London, is seeking a seasoned Software Engineer with over 8 years of experience to lead the development of advanced Video Forensics capabilities. The role involves cross-team collaboration and mentoring team members. This position operates on a hybrid work schedule, requiring in-office ...

Lead Software Engineer Agentic Gen AI / NLP

Job Description Are you passionate about building the next generation of AI solutions? Join us to lead and mentor a team of talented engineers, drive innovation in generative and agentic AI, and deliver impactful, scalable technology for Risk Technology. You'll collaborate with cross-functional pa ...

Lead Software Engineer Margin Technology Vice President

For additional information, please review .Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced A ...

Lead Software Engineer (C#/.NET) — Distributed Systems

Caxton Associates is looking for an experienced Software Engineer to lead a London-based team in our Software Development group. This hands-on role requires extensive experience with C# and the .NET stack, along with leadership abilities. Responsibilities include designing scalable systems, mentoring engineers, ...

Senior Software Engineer (C# / .NET) Team Lead

About Caxton Associates Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit ...

Senior Software Engineer – Lead & Scale Healthcare SaaS

A leading healthcare technology firm in Greater London is looking for an experienced leader to drive technical delivery in a cross-functional team. You will enhance patient outcomes through innovative software solutions while fostering a culture of high standards and technical excellence. Ideal candidates will h ...

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