Lead Software Engineer Python Java Jobs in London, UK

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Python Developer in London Xtremepush

Python Developer London, United Kingdom Tech stack Python About the role As a Python developer at Xtremepush, you will be part of our Customer Data team and will report into our Customer Data Team Lead. You will use your experience to help d ...

Quantitative Developer: Python & Data Analytics

Millennium is seeking a Quantitative Developer in London, UK. The ideal candidate will have a background in Computer Science, Mathematics, Physics, or Engineering, and possess strong programming skills in Python, along with familiarity with dataset libraries like pandas and NumPy. This full-time position offers ...

Junior Python Developer — Trading Analytics

Jobs via eFinancialCareers is seeking a Junior Python Developer to join a leading commodities trading business in London. This role is in a technical team supporting trading and quantitative analytics platforms. The ideal candidate will have 1-3 years of Python experience and a strong grasp of data structures. R ...

Python Developer Up to £250k

Oliver Bernard have partnered with a leading global investment management firm. They are looking for a Python Developer to design and build their internal frameworks, tooling and platforms which power the business. This is a critical role and will have direct impact on both technology and investment te ...

Cloud Native Angular & Python Developer

Thrive IT Systems is looking for a skilled Angular Developer with Python expertise in Greater London. The ideal candidate will have hands-on experience in designing and developing scalable and secure web applications, as well as cloud-native solutions. Responsibilities include full-cycle development from design ...

Senior Python Developer Banking Experience

Senior Python Developer - Banking London, UK | Hybrid | £70,000-85,000 Permanent We’re hiring a Senior Python Developer to join a high-performing engineering team within a banking environment. Key Responsibilities Build and scale Python-based backend system ...

Senior AWS Serverless Architect (Python)

Thrive IT Systems is seeking an Associate Principal to lead the design and development of scalable serverless applications using AWS services. The ideal candidate will have hands-on experience with AWS Lambda, API Gateway, and Step Functions, as well as proficiency in Python. You will be responsible for architec ...

FullStack Developer Python+Angular+AWS

Associate General Manager - Delivery & Operations at Infinity Quest London, England, United Kingdom Primary Skills Cloud Architecture: AWS S3, API Gateway, EC2, RDS – cloudnative and microservices architecture API Integration: RESTful APIs, third‑party and in‑hou ...

Python Developer, Insurance Analytics (Hybrid)

An innovative analytics consultancy in London is seeking a mid-level Python Developer for their Insurance Analytics team. This exciting opportunity involves working on the InsurSight platform, focusing on feature development, integration of C# and Python, and mentoring less experienced developers. The role offer ...

Quantitative Developer Python C++ MFT

London, Greater London | £110k - £175k per year Quantitative Developer (Python C++ MFT) London / WFH to £175k+ Opportunity for a highly talented Quantitative Developer with Python expertise to progress your career in an impactful role at a global trading firm with significant ...

Senior Python & API Systems Integrator

Stars Arena is looking for a Systems Integration Engineer with strong expertise in Python and SQL to join their team in London. The ideal candidate will have over 3 years of experience in system integration across multiple platforms, proficiency in RESTful API development, and familiarity with CI/CD processes. T ...

Python Developer £140,000 + Comps London

Role Python Developer Salary £140,000 P/A + Bonus + Benefits Location London Client Top Fintech My client is a well-established and successful tech house working in the finance sector who are looking for a Python Developer, with outstanding te ...

Senior AWS Serverless Architect (Python)

Thrive IT Systems is seeking an Associate Principal to lead the design and development of scalable serverless applications using AWS services. The ideal candidate will have hands-on experience with AWS Lambda, API Gateway, and Step Functions, as well as proficiency in Python. You will be responsible for architec ...

Associate Solution Engineer London

The Role Neo4j is the world’s leading graph database and our Sales Engineering team are the people that help customers realize its value every day. Neo4j has proven to be the go-to data management solution in use cases such as Fraud Detection, Knowledge Graphs, Recommendation and personalisation, ...

Senior Software Engineering Manager, Cloud Applied AI, Agent Building

Minimum Qualifications Bachelor’s degree or equivalent practical experience. 8 years of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript). 7 years of experience leading technical project strategy, ML design ...

Senior Software Engineering Manager, Cloud Applied AI, Agent Building

Minimum Qualifications Bachelor’s degree or equivalent practical experience. 8 years of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript). 7 years of experience leading technical project strategy, ML design ...

Trading Application Support

For more than 20years, Talan has been advising companies and administrations, supporting them and implementing their transformation projects in the UK and abroad. With a presence on four continents and a headcount of 5000 consultants, our ambition is to reach the billion turnover by the end of 2025. <p ...

Machine Learning Research Engineer Commodities Team

Our client, one of the most prestigious hedge funds in the world, operates at the forefront of systematic trading, applying rigorous research and cutting‑edge technology to global markets. The London‑based commodities team combines deep domain expertise with advanced quantitative methods, using machine lea ...

Machine Learning Research Engineer Commodities Team

Our client, one of the most prestigious hedge funds in the world, operates at the forefront of systematic trading, applying rigorous research and cutting‑edge technology to global markets. The London‑based commodities team combines deep domain expertise with advanced quantitative methods, using machine lea ...

Engineering Manager

Engineering Manager - Hands on - Up to £180,000 + great benefits - One day a week in London My client is a leading software business in the security space and are now looking to build their first UK software engineering team. They were founded around 10 years ago, have circa 500 employees globally ...

Lead AI Red Teaming & QA Engineer

We are seeking a Lead AI Red Teaming & QA Engineer to design and execute automated adversarial testing for our enterprise Agentic AI platforms. You will move beyond traditional software QA to build continuous safety pipelines, ensuring our non‑deterministic LLM agents, RAG systems, and tool integra ...

AI Engineer Analyst

AI Engineer (Analyst) – Early Career Role About the Job As an early‑career AI Engineer at Cerberus, you’ll join a small, high‑impact team building AI systems that power decision‑making across a global investment platform. You’ll work alongside exper ...

AI Engineer Analyst

AI Engineer (Analyst) – Early Career Role Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application.About the Job As an early‑career AI Engineer at Cerberus, you’ll join a small, h ...

Senior Lead SDN Engineer: VPC & Cloud Platform

Are you ready to make a lasting impact and drive innovation in a world-class technology environment? At JPMorganChase, you join a team of top talent dedicated to shaping the future of networking. You’ll work in a collaborative, agile setting where your expertise advances next-generation solutions and suppo ...

Quant Developer OTC Pricing

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative syste ...

Quant Developer OTC Pricing

A high-growth institutional trading business in the digital assets market is expanding its London team and hiring a Quant Developer to join its OTC pricing function. This is a great opportunity to join a successful firm adding headcount as it continues to grow, and to work on highly visible quantitative syste ...

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team Duration: 6 MonthsLocation: Toronto (Hybrid, 3x/week)We are looking for a Senior Software Developer for the Enterprise Appli ...

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team

Sr. Java (Spring boot) Developer with API and Microservices expertise to support our insurance client's Enterprise Application Integration team Duration: 6 MonthsLocation: Toronto (Hybrid, 3x/week)We are looking for a Senior Software Developer for the Enterprise Appli ...

Senior Java/React Full Stack Developer | Hybrid/Contract

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role. The candidate will work within a Solutions Engineering team, focusing on modernising complex software systems and improving delivery speed. This hybrid position requires strong skills in React and ...

Senior Java/React Full Stack Developer | Hybrid/Contract

A leading cloud and engineering consultancy is seeking a Senior Java/React Full Stack Developer for a contract role. The candidate will work within a Solutions Engineering team, focusing on modernising complex software systems and improving delivery speed. This hybrid position requires strong skills in React and ...

Senior Backend Engineer for AI Powered SaaS

A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to system enhancements. Ideal candidates will have 3-5 years of back-en ...

Senior Full Stack Engineer & Technical Leader

A leading consultancy firm in Greater London is seeking passionate engineers to contribute across the tech stack. The role requires proficiency in cloud environments and coding in languages like Python or Java. Responsibilities include maintaining code quality and mentoring fellow engineers, with opportunities f ...

Streaming Architect: Kafka, Confluent & Cloud Platforms

A technology consulting firm is seeking a Confluent Solution Architect based in Canary Wharf, London. The role involves designing and architecting enterprise-grade streaming solutions using Apache Kafka and the Confluent Platform. Candidates should possess over 8 years of experience in Kafka, strong skills in Ja ...

Senior Full Stack Engineer & Technical Leader

A leading consultancy firm in Greater London is seeking passionate engineers to contribute across the tech stack. The role requires proficiency in cloud environments and coding in languages like Python or Java. Responsibilities include maintaining code quality and mentoring fellow engineers, with opportunities f ...

Remote T Level Examiner – Digital Software Development

A leading educational organization in Greater London is seeking T Level Examiners to mark student exams in computing subjects. Candidates must have a relevant degree or qualification, proficiency in programming languages like Python and Java, and teaching or assessment experience. This contract role offers flexi ...

Senior DevOps Delivery Lead, Cloud Solutions

A leading cloud service provider is seeking a skilled Delivery Consultant to work closely with customers to design, implement, and manage AWS solutions. The role involves driving customer success, providing technical expertise, and optimizing performance. Ideal candidates will have experience in technical implem ...

Quantitative Researcher — Crypto HFT Alpha Signals

A prestigious investment firm in the Greater London area is looking for an experienced Quantitative Researcher to join their winning team. This exciting role involves designing, analyzing, and implementing trading strategies, in addition to alpha research and monitoring existing strategies. Candidates should hav ...

Enterprise Solutions Engineer: GenAI & AI Apps

A leading AI company is seeking individuals to partner closely with clients, delivering tailored AI solutions and demonstrating expertise in Generative AI applications. Strong engineering background, especially in Python and Java, is essential. Ideal candidates should have experience in technical client engageme ...

VP Quant Trader, Commodities: Algorithmic Trading

A global financial institution in Greater London seeks an Algorithmic Trading Quantitative Analyst (VP) for its Commodities team. The role involves designing and optimizing electronic market-making models. Candidates must have systematic trading experience, a strong programming background in Java/C++ and Python, ...

Senior Backend Architect (Remote) Multitenant

A dynamic technology education provider in the United Kingdom is searching for a skilled developer to join their remote team. The ideal candidate will have deep expertise in multitenancy and experience with statically typed languages such as C#, Java, or Kotlin. A strong willingness to learn Python and mastery o ...

Senior Quant Risk Manager – Margin Models & Risk IT Lead

London Stock Exchange Group is seeking a Manager for their Quant Risk Management team. This role involves implementing market data and risk-related projects, developing front-end IT tools, and analyzing existing models to improve performance. Candidates should have a degree and over 5 years of experience in the ...

Quantitative Developer, Risk Tech — Python & AWS

Millennium is seeking a Quantitative Developer to join our Risk Technology team in London. The successful candidate will leverage their skills in Python, AWS, and data manipulation to provide risk managers with data-driven insights on our fund's risk profile, specifically related to technology and data science. ...

Applied Scientist: Freight Network Optimization & ML

Amazon is seeking an Applied Scientist in Greater London to build machine learning and optimization models for transportation planning. You will create scalable products, conduct experiments, and present findings to leadership. Essential qualifications include experience with programming languages like Java, C++ ...

Senior Performance Testing Engineer | Load & Reliability

Venquis, located in Greater London, is looking for a candidate skilled in performance testing to enhance quality assurance processes. The successful applicant will conduct various tests, including load and regression testing, and communicate effectively with diverse teams. Essential qualifications include strong ...

Junior Frontend Engineer: Fintech GUI & Data Visuals

Java Script Works is seeking a developer to focus on frontend development of the GUI and data display for our Quant Team. This innovative start-up is pioneering a new concept for the financial markets. The role involves working with a stack that includes JavaScript frameworks along with HTML/CSS and Py ...

Senior DevOps Delivery Lead, Cloud Solutions

A leading cloud service provider is seeking a skilled Delivery Consultant to work closely with customers to design, implement, and manage AWS solutions. The role involves driving customer success, providing technical expertise, and optimizing performance. Ideal candidates will have experience in technical implem ...

Quantitative Developer, Risk Tech — Python & AWS

Millennium is seeking a Quantitative Developer to join our Risk Technology team in London. The successful candidate will leverage their skills in Python, AWS, and data manipulation to provide risk managers with data-driven insights on our fund's risk profile, specifically related to technology and data science. ...

Senior Backend Engineer for AI Powered SaaS

A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to system enhancements. Ideal candidates will have 3-5 years of back-en ...

Streaming Architect: Kafka, Confluent & Cloud Platforms

A technology consulting firm is seeking a Confluent Solution Architect based in Canary Wharf, London. The role involves designing and architecting enterprise-grade streaming solutions using Apache Kafka and the Confluent Platform. Candidates should possess over 8 years of experience in Kafka, strong skills in Ja ...

Senior Embedded Engineer

Embedded Software Engineer | UK (Hybrid) In order to make an application, simply read through the following job description and make sure to attach relevant documents.My client is an innovative technology company developing advanced hardware and networking solutions for high-performance ...

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