Lead Software Engineer Python Java Jobs in London, UK

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Senior Fullstack Engineer Java/JS, Build Scalable Systems

Legal And General Group is seeking a Senior Software Engineer in Greater London to join a high-performing engineering team. The role involves developing high-quality software solutions, resolving complex issues, and enhancing engineering practices. Candidates should have experience with Java/JVM technologies, cl ...

Senior Software Engineer – AI/ML & Node.js Expert

Java Script Works is seeking a Senior Software Engineer specialized in AI technologies. The role requires over 6 years of software engineering experience with strong proficiency in C#, Node.js, and Databases. The ideal candidate will have hands-on experience with AI/ML frameworks like TensorFlow and PyTorch. ...

Senior Frontend Engineer — D3/React Web Apps Lead

Java Script Works is seeking a Senior Front End D3 Javascript Software Engineer based in London, United Kingdom. The role requires extensive experience in D3, React, and JavaScript, focusing on the development of advanced web applications. The ideal candidate will have between 7 to 10 years in software developme ...

Software Engineer — AI‑Driven Cross‑Border Payments

Crown Agents Bank is seeking a Software Engineer to join its FX and Cross-Border Payments team. The role involves designing and delivering solutions for clients globally, utilizing modern technologies like Kotlin, Java, and AWS. Candidates should have a solid background in software development, experience with s ...

Senior Backend Infra Engineer — Scale Data Systems

A leading data-driven software company in Greater London seeks a Software Engineer to build scalable solutions. The role involves designing infrastructure for complex data systems, contributing to open-source projects, and automating deployments. Ideal candidates have 6+ years of experience, strong coding skills ...

Global Finance Systems Engineer III: Scale & Impact

A multinational software company in London is looking for a Senior Software Development Engineer III to innovate in financial systems impacting global entertainment. The role requires 5+ years of experience and proficiency in Java, C++, or C#. Responsibilities include collaborating with diverse teams, developing ...

Senior Cloud Control Plane Engineer Build Real Time Data

Confluent is looking for a Software Engineer, Cloud Control Plane to design and implement a distributed control plane. The role involves working in a collaborative Agile environment with a focus on Kubernetes. Candidates should have strong skills in software design, distributed systems, and programming languages ...

Senior AEM Engineer Shape Digital Experiences (Hybrid)

Nuffield Health Brentwood is seeking a Senior Software Engineer specializing in Adobe Experience Manager (AEM) for a hybrid role in Epsom & Barbican, London. The candidate will handle full-stack software development, ensure high quality and stability of digital solutions, and mentor team members. A strong backgr ...

Senior Fullstack Engineer Java/JS, Build Scalable Systems

Legal And General Group is seeking a Senior Software Engineer in Greater London to join a high-performing engineering team. The role involves developing high-quality software solutions, resolving complex issues, and enhancing engineering practices. Candidates should have experience with Java/JVM technologies, cl ...

Senior Backend Infra Engineer — Scale Data Systems

A leading data-driven software company in Greater London seeks a Software Engineer to build scalable solutions. The role involves designing infrastructure for complex data systems, contributing to open-source projects, and automating deployments. Ideal candidates have 6+ years of experience, strong coding skills ...

Full Stack Engineer

We're Hiring: Full stack Engineer (Java) Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are s ...

AI Native Software Engineer (Client Facing, Cloud)

Oliver Bernard is seeking a Forward Deployed Engineer to collaborate with client engineering teams and implement AI native engineering. The ideal candidate has over 5 years of commercial experience, a strong background in client-facing roles, and skills in Python, Java, TypeScript, and cloud platforms such as AW ...

Forward Deployed AI Engineer — Production Systems

Oliver Bernard is seeking an experienced Forward Deployed Engineer to work on AI-driven solutions with top AI companies. This role involves embedding with client teams in Central London, delivering AI systems end-to-end and ensuring they are production-ready. Candidates must have over 5 years of experience in bu ...

Staff Data Engineer: AI Streaming Platform Leader

A technology company in Greater London is seeking a Staff Data Engineer to join their Data and AI Platform Team. The ideal candidate should have strong experience with event streaming technologies such as Kafka and Flink, along with a solid engineering background. Responsibilities include building a scalable eve ...

SRE Manager: Scale, Reliability & Observability Lead

A leading global financial markets provider is seeking a Site Reliability Engineer (SRE) to enhance system reliability and improve observability. The ideal candidate will have a Bachelor's degree and 12 years of industry experience with a focus on cloud platforms and automation. Responsibilities include driving ...

Forward Deployed AI Engineer — Production Systems

Oliver Bernard is seeking an experienced Forward Deployed Engineer to work on AI-driven solutions with top AI companies. This role involves embedding with client teams in Central London, delivering AI systems end-to-end and ensuring they are production-ready. Candidates must have over 5 years of experience in bu ...

AI Native Software Engineer (Client Facing, Cloud)

Oliver Bernard is seeking a Forward Deployed Engineer to collaborate with client engineering teams and implement AI native engineering. The ideal candidate has over 5 years of commercial experience, a strong background in client-facing roles, and skills in Python, Java, TypeScript, and cloud platforms such as AW ...

Secure Data Engineer for Mission Driven Analytics

A leading data solutions provider in Greater London is looking for a Data Engineer to join their Security and Intelligence consulting team. In this role, you will design, build, and maintain secure, scalable data platforms and pipelines that enable advanced analytics. Candidates should have experience with moder ...

Machine Learning Software Engineer in London Aquent

Machine Learning Software Engineer London, United Kingdom Posted 9 months ago Tech stack Frontend Backend Python PyTorch Software Engineer Computer Science React JavaScript Machine Lear ...

Staff Site Reliability Engineer Cloud

Elevate Global Operations as our Next Cloud Site Reliability Engineer ( OpenTelemetry ) Are you ready to lead an OTel-first strategy and redefine reliability for a global industrial technology leader? Trimble is looking for a visionary Cloud Site Reliability Engineer to manage our massive ...

Director: Lead Data Engineer

We are seeking a highly skilled and experienced Lead Data Engineer to join our talented team. The ideal candidate will have a strong background in data engineering, with experience in AI and a proven track record of designing and implementing robust data pipelines. Responsibilities ...

Director: Lead Data Engineer

We are seeking a highly skilled and experienced Lead Data Engineer to join our talented team. The ideal candidate will have a strong background in data engineering, with experience in AI and a proven track record of designing and implementing robust data pipelines. Responsibilities ...

Infrastructure Engineer

Leading Crypto Trading Client reuires a hybrid Infrastructure Engineer with SRE Development tools such as Python, C# and networking tools and Linux. All rounder position will look after Network Virtual Servers, self starter!Aws NetworkingInfrastructureYou are pioneering and innovative and want to ...

Senior Automation Tester

Job title: Senior Automation TesterLocation: London, UKJob type: Contract- Hybrid 2 days onsiteDay Rate - 250 GBP/Day <s ...

Software Developer

Description We are seeking a highly experienced Senior Java Developer to join our engineering team. In this role, you will lead the design and development of robust, scalable backend systems using Java and modern frameworks. You’ll play a key part in architectural decisions, mentor junior develop ...

Senior Applications Engineer — Remote Leader in Full Stack

Connect Fibre is seeking a Senior Applications Engineer to design and implement backend services and develop frontend applications. This role requires over 5 years of software development experience and strong skills in programming languages like JavaScript, Python, and PHP. The candidate will lead projects, men ...

Lead AWS Data Engineer: Scalable Pipelines & Lakehouse

LSEG is looking for a Lead Software Data Engineer to design and develop scalable data pipelines in a modern AWS environment. You will collaborate with cross-functional teams to deliver high-quality data solutions that power the financial indices trusted globally. The ideal candidate should have a strong Python p ...

Staff & Principal Product Engineer — Build with Impact

Fifth Dimension is looking for a Software Engineer in Greater London to take ownership of product areas end-to-end, from design to delivery. You will collaborate across teams to build scalable solutions, lead projects involving backend APIs, and ensure a strong user experience. The ideal candidate has strong Pyt ...

Applied ML Engineer Public Sector (SC), London

Jaide Health seeks a Software Engineer to lead AI implementation projects for UK public sector customers. This on-site role requires active SC clearance and expertise in deploying ML solutions. You will engage across the product lifecycle, driving solutions that meet client needs. Ideal candidates possess profic ...

Staff ML Engineer: LLMs for Legal AI, Visa Sponsored

A leading software company in the UK is looking for a Staff ML Engineer to lead the development of large language models for legal applications. You'll design ML architectures, manage training and fine-tuning of models, and mentor a team of engineers. The role requires expertise in Python and machine learning fr ...

Lead AI Engineer: Agent Platform Architect

A leading AI-driven e-commerce platform in Greater London is seeking a Lead AI Engineer to oversee the architecture and technical direction of the agent platform. This role will involve building scalable conversational AI agents using modern JavaScript and Python frameworks. The ideal candidate has over 6 years ...

Lead Edge AI Engineer for Climate Impact Automation

A climate technology firm located in the UK is looking for a Lead Engineer to join their platform team. This role involves leading the design of edge software systems for heavy industry focusing on reducing carbon emissions. Candidates should have expertise in Python and plant automation, along with a willingnes ...

Modelling & Simulation Engineer — Autonomy & Wargaming

A defense technology firm in Greater London is seeking a Software Engineer to lead the development of advanced modeling and simulation applications. The ideal candidate will have strong C++ and Python skills, and will work on mission-level analysis and wargaming projects. This role emphasizes practical, hands-on ...

Senior Product Security Engineer – Hybrid (2 days WFH)

A top financial firm in London is seeking a Senior Product Security Engineer with strong experience in securing software development. This role will focus on collaborating with IT and engineering teams to lead security processes and ensure protection across cloud and business applications. Candidates should have ...

Senior Staff Perception & Autonomy Software Engineer

A forward-thinking electric vehicle manufacturer in London is seeking a Senior Staff Software Engineer to lead the Perception team. This role involves developing critical machine learning algorithms for safety in autonomous vehicles. The ideal candidate will have over 10 years of experience in C++ and Python, as ...

Applied AI Engineer II Production ML & Generative AI

A global financial institution is seeking a Software Engineer II - Applied AI to drive AI innovation and optimize business processes through advanced machine learning. You will lead the development of AI-powered products, collaborate extensively, and ensure the scalability of AI solutions. Ideal candidates will ...

Lead AWS Data Engineer: Scalable Pipelines & Lakehouse

LSEG is looking for a Lead Software Data Engineer to design and develop scalable data pipelines in a modern AWS environment. You will collaborate with cross-functional teams to deliver high-quality data solutions that power the financial indices trusted globally. The ideal candidate should have a strong Python p ...

Applied AI Engineer II Production ML & Generative AI

A global financial institution is seeking a Software Engineer II - Applied AI to drive AI innovation and optimize business processes through advanced machine learning. You will lead the development of AI-powered products, collaborate extensively, and ensure the scalability of AI solutions. Ideal candidates will ...

Staff ML Engineer: LLMs for Legal AI, Visa Sponsored

A leading software company in the UK is looking for a Staff ML Engineer to lead the development of large language models for legal applications. You'll design ML architectures, manage training and fine-tuning of models, and mentor a team of engineers. The role requires expertise in Python and machine learning fr ...

Senior Applications Engineer — Remote Leader in Full Stack

Connect Fibre is seeking a Senior Applications Engineer to design and implement backend services and develop frontend applications. This role requires over 5 years of software development experience and strong skills in programming languages like JavaScript, Python, and PHP. The candidate will lead projects, men ...

DevOps Engineer

We are looking for a DevOps Engineer to join our team and actively engage with and support DevOps technology adoption and modernization by all application development teams at the firm. The candidate will provide implementation and support services for our existing and prospective DevOps technology stack, as ...

DevOps Engineer

We are looking for a DevOps Engineer to join our team and actively engage with and support DevOps technology adoption and modernization by all application development teams at the firm. The candidate will provide implementation and support services for our existing and prospective DevOps technology stack, as ...

DevOps Engineer

We are looking for a DevOps Engineer to join our team and actively engage with and support DevOps technology adoption and modernization by all application development teams at the firm. The candidate will provide implementation and support services for our existing and prospective DevOps technology stack, as ...

Principal Machine Learning Engineer, AI & Data Platforms (AiDP)

Principal Machine Learning Engineer, AI & Data Platforms (AiDP) London, England, United Kingdom Corporate Functions At Apple, we build AI systems that define experiences for billions of people and we do it with an unwavering commitment to privacy, performance, and craft. The AI & Data Pla ...

Principal Machine Learning Engineer, AI & Data Platforms (AiDP)

Principal Machine Learning Engineer, AI & Data Platforms (AiDP) London, England, United Kingdom Corporate Functions At Apple, we build AI systems that define experiences for billions of people and we do it with an unwavering commitment to privacy, performance, and craft. The AI & Data Pla ...

Java Development Team Leader (IT) in London Huxley

Development Team Leader London This is a new and exclusive opportunity for a Software Development Team Leader focused on Java Full stack, to join a thriving business as they grow their software development team. Role details Title: Development team lead Technical ...

Java Development Team Leader (IT) in London Huxley

Development Team Leader London This is a new and exclusive opportunity for a Software Development Team Leader focused on Java Full stack, to join a thriving business as they grow their software development team. Role details Title: Development team lead Technical ...

Staff Software Engineer, Generative AI, Applied Innovation Factory

Staff Software Engineer, Generative AI, Applied Innovation Factory London, UK Qualifications Bachelor’s degree or equivalent practical experience. 8 years of experience in software development and with data structures/algorithms in either C, C++, Python, Java or ...

Backend Infrastructure Engineer: Scale & Secure Systems

A leading software company in Greater London seeks a Backend Software Engineer to build scalable and performant systems, tackling real-world problems with innovative solutions. The role involves collaborating across teams and working autonomously to create APIs and systems that support impactful products. Candid ...

Trade Tech Software Engineer — Real Time Distributed Systems

G-Research in Greater London is seeking a Software Engineer to join their Trade Technology team. You will design and develop robust trading platforms, ensuring they are efficient and reliable. Ideal candidates should have a strong background in software engineering, proficiency in languages like Java or C++, and ...

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