Lead Software Engineer Python Java Jobs in London, UK

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Staff Python Engineer (ML)

What we are building Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource — time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them i ...

Site Reliability Engineer (Python)

We need an experienced SRE to focus predominantly on automation, optimization, and process re-engineering using AI for the Market Risk Platform. Strong Python and provable agentic AI delivery Primary Objectives: Eliminate Operational toil and recurring manual work through ...

Site Reliability Engineer (Python)

We need an experienced SRE to focus predominantly on automation, optimization, and process re‑engineering using AI for the Market Risk Platform. Strong Python and provable agentic AI delivery Primary Objectives: Eliminate Operational toil and recurring manual work through durable au ...

Python Engineer (All levels)

Job Description JUXT is seeking experienced engineers to join our client projects. You’ll be responsible for engineering global scale software systems in banking, hedge funds and other financial institutions. We’re looking for engineers that can build using modern cloud-native principles, employ l ...

Python Engineer Data Domains

Are you looking for a new challenge? Fancy helping us shape the future of motor insurance? Prima could be the place for you. Since 2015, we’ve been using our love of data and tech to rethink motor insurance and bring drivers a great experience at a great price. Our story began in It ...

Senior Fullstack Python Engineer

Job Description THE ROLE As a Senior Fullstack Python Engineer, you will work closely with a highly skilled engineering lead to deliver brand new features to an already growing platform. Using your experience as Python engineer with Django you will help choose what the best ...

Desk Aligned Python Engineer

SummaryIndustry-leading investment firm using innovative and cutting-edge technology, with data at the core of the investment process. They’ve developed an advanced technology platform to quickly understand patterns within a market or product and conduct scenario analysis that help maintain comp ...

Senior Python Web Engineer

The role in a nutshell: Join our dynamic team as a Senior Python Web Engineer. We are in search of an experienced web engineer who demonstrates a deep understanding of client needs and possesses the expertise to architect and implement optimal solutions. The ideal candidate will collabora ...

C++ & Python Engineer – Crypto

Salary: up to £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant fund is looking for a highly proactive C++/Python engineer to join their rapidly expanding crypto division as they help shape ...

Test Automation Engineer Python

Overview Python Test Automation Engineer Experienced technical automation consultant required, with skills in Python test automation using Pytest. You will be highly technical, have a minimum of 5 years technical testing experience with experience ...

Python Engineer & AI Expert

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

eTrading Python Production Engineer

Job DescriptionLocation: London (Hybrid – 3 days in office)Type: Full-time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join ...

Desk aligned Python Engineer

My client is a leading tech-driven diversified trading firm, trading their own capital across a broad range of asset classes, instruments and strategies in markets worldwide. They are looking for exceptional Python engineers to join an established multi-asset trading team with a global presence.The pos ...

Python Engineer – B2B SAAS

Job Description THE COMPANY You will be working for an award-winning SAAS scale-up backed by a major start-up investor company that are disrupting a massively under digitized industry They have recently received £10 million at series A and are already looking at another roun ...

Senior Fullstack Python Engineer

Job Description THE ROLE As a Senior Fullstack Python Engineer, you will work closely with a highly skilled engineering lead to deliver brand new features to an already growing platform. Using your experience as Python engineer with Django you will help choose what the best ...

Desk Aligned Python Engineer

SummaryIndustry-leading investment firm using innovative and cutting-edge technology, with data at the core of the investment process. They’ve developed an advanced technology platform to quickly understand patterns within a market or product and conduct scenario analysis that help maintain comp ...

C++ & Python Engineer – Crypto

Salary: up to £200k base + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant fund is looking for a highly proactive C++/Python engineer to join their rapidly expanding crypto division as they help shape ...

Python Developer Tools Engineer

Salary: £200k base + bonusSummary:Exciting opportunity to work at a tech-centric prop trading fund which trades a wide range of financial products, with offices across the globe. Work is organized into small, project-oriented teams, each with the independence and responsibi ...

Desk aligned Python Engineer

My client is a leading tech-driven diversified trading firm, trading their own capital across a broad range of asset classes, instruments and strategies in markets worldwide. They are looking for exceptional Python engineers to join an established multi-asset trading team with a global presence.The pos ...

Senior Python Web Engineer

The role in a nutshell: Join our dynamic team as a Senior Python Web Engineer. We are in search of an experienced web engineer who demonstrates a deep understanding of client needs and possesses the expertise to architect and implement optimal solutions. The ideal candidate will collabora ...

eTrading Python Production Engineer

Job DescriptionLocation: London (Hybrid – 3 days in office)Type: Full-time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join ...

Python Engineer – B2B SAAS

Job Description THE COMPANY You will be working for an award-winning SAAS scale-up backed by a major start-up investor company that are disrupting a massively under digitized industry They have recently received £10 million at series A and are already looking at another roun ...

Python Engineer & AI Expert

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo</st ...

Test Automation Engineer Python

Overview Python Test Automation Engineer Experienced technical automation consultant required, with skills in Python test automation using Pytest. You will be highly technical, have a minimum of 5 years technical testing experience with experience ...

Python Developer Tools Engineer

Salary: £200k base + bonusSummary:Exciting opportunity to work at a tech-centric prop trading fund which trades a wide range of financial products, with offices across the globe. Work is organized into small, project-oriented teams, each with the independence and responsibi ...

Principal Software Engineer, Personalisation & ML Systems

A leading UK retailer is seeking a Principal Engineer to lead technical strategy within the Personalisation product group. This role involves designing scalable systems for personalisation, recommendations, and machine learning features. The ideal candidate has a strong background in Java or Python, experience w ...

System Development Engineer, Reliability and Automation Engineering

System Development Engineer, Reliability and Automation Engineering Job ID: | Amazon UK Services Ltd. Join Amazon as a Systems Development Engineer – Drive Global Innovation in Reliability and Automation.Amazon is looking for a Systems Development Engineer to join our Global RME (Reliab ...

Software Engineer Up to £400k + Bonus London

Job title: Software Engineer (C++/Python) Client: Performance Software Scale Up Salary: up to GBP 400,000 per annum + Bonus (DOE) Location: London - United Kingdom The role My client are seeking a talented engineer to join their existing team of elite software engi ...

Data Platform Engineer

United Kingdom - London Posted: 05/05/2026 Salary: Negotiable ID: 37322_BH Apply OR Data Platform Engineer We are seeking experienced Mid to Senior Java / Data Platform Engineers to support a high-profile client engagement. The role will focus on ...

Data Platform Engineer

United Kingdom - London Posted: 05/05/2026 Salary: Negotiable ID: 37322_BH Apply OR Data Platform Engineer We are seeking experienced Mid to Senior Java / Data Platform Engineers to support a high-profile client engagement. The role will focus on ...

Java Technical Lead London, Wembley

Job Description While professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required.Job Title:Java Technical Lead Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site ...

Platform Engineer

Mid-Level Platform Engineer (DevEx) – GCP, Kubernetes, Terraform, CI/CD, Python Qualifications, skills, and all relevant experience needed for this role can be found in the full description below.Oliver Bernard are currently seeking a strong, Mid-Level Platform Engineer ...

Senior Java & AWS Engineering Lead

A leading financial market provider in Greater London is looking for a Manager to lead a team focused on delivering secure and scalable software and infrastructure. The ideal candidate will have extensive experience in Java, cloud technologies, and agile development practices. The role demands a strong customer ...

Senior Java Backend Lead & Architect

A technology-driven company seeks a Java Backend Lead to take charge of backend systems' architecture and delivery. You will guide a team of developers, ensuring high code quality and working on modernizing systems. Candidates should have at least 10 years of Java expertise and strong leadership skills. Key resp ...

Engineering Lead Java/Spring Microservices

A global information and analytics company is seeking a Software Engineering Lead in Greater London. The role involves managing a team of Software Engineers while enhancing productivity through collaboration and innovation. The ideal candidate will bring expertise in Java, Spring Boot, AWS, and Microservices alo ...

Senior Java Lead Enterprise Microservices

A leading technology firm in the UK seeks an experienced software engineer with hands-on expertise in Java Micro Services, Spring Boot, and Core Java. The ideal candidate will demonstrate technical leadership and contribute to building quality software while collaborating with multiple stakeholders. You will eng ...

Engineering Lead — Contacts & Recipients (Java)

A global technology company in Greater London is seeking an Engineering Lead II for its Contacts team. This role involves leading a high-performing team of engineers while driving technical initiatives and scaling backend systems. Key responsibilities include defining the product roadmap, ensuring operational ex ...

Senior Java Lead & VP, Engineering

Citigroup Inc. in Greater London is seeking a developer to work in their FX Technology group. The role involves managing Applications Development teams, coordinating with stakeholders, and building software to address complex front office problems. Ideal candidates will have a strong Java development background, ...

Lead Back End Developer Java

London, United Kingdom | Posted on 17/09/2025 Segmentify is an e-commerce personalization platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour ...

Technical Lead Active SC, Java

Technical LeadUp to £550 per day (Inside IR35)London / Remote3 months initially My client is an instantly recognisable consultancy who urgently requires a Technical Lead/Lead Developer, with Active Security Clearance (SC), and with proven team lead experience to join a business-critic ...

Technical Lead Active SC, Java

Technical LeadUp to £550 per day (Inside IR35)London / Remote3 months initially My client is an instantly recognisable consultancy who urgently requires a Technical Lead/Lead Developer, with Active Security Clearance (SC), and with proven team lead experience to join a business-critic ...

Principal Engineer – Personalisation & ML Systems

A leading UK retailer is seeking a Principal Engineer to shape their technical direction and lead engineering excellence. The role involves driving strategy, designing scalable systems for personalisation, and mentoring engineers. Ideal candidates will have strong experience in Java or Python, machine learning, ...

Senior C++ Software Engineer

sees.ai City Of London, England, United Kingdom Join or sign in to find your next job Join to apply for the Senior C++ Software Engineer role at sees.ai sees.ai City Of London, England, United Kingdom 4 weeks ago Be among the ...

Python Software Engineer Hybrid working Up to £250,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Client: Elite Proprietary Trading Firm Compensation: Up to £250,000 Base + Bonus Location: London (Hybrid) Overview Am elite ...

Python Software Engineer Hybrid working Up to £275,000 Base (+ Bonus)

Python Software Engineer – Data & Research Platforms Location: London (Hybrid) Compensation: Up to £275,000 Base + Bonus Overview An elite prop trading firm is seeking an experienced Python Software Engineer to join a growing engineering team focuse ...

SRE Engineer

Our client is looking for a SRE Engineer combining software and IT engineering principles to build and maintain reliable, scalable, and high-performing systems. Job Responsibilities: Scope technical projects and break them down into user stories and tasks within an engineering team ...

Solution Architect

Solution Architect Location: London - 2/3 days on site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities Lead and manage software development projects using Java, Python, Typescript, A ...

Staff Data Engineer: Quality, Observability & Governance

A forward-thinking fashion marketplace headquartered in London is seeking a Staff Data Engineer to lead the creation of frameworks and tools for data quality and governance. You'll focus on making sure data is reliable, observable, and compliant, while collaborating with various teams. Ideal candidates have subs ...

Enterprise Solutions Engineer GenAI & AI SaaS

A leading AI solutions company seeks a Solutions Engineer in Greater London. You will partner with Account Executives to deliver customized demos, develop technical requirements for enterprise clients, and lead customer applications of Generative AI technology. The role demands strong engineering skills, experie ...

Java Developer

Bskt group is a well funded e-commerce SaaS company that provides online self-checkout services for retail industries. We focus on building a diverse and inclusive company culture and aim to become a global leader in on-demand retail. Job Description We’re looking for a Java Developer to join ...

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