Software Engineer Python Java Data Jobs in London, UK

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Python developer

Job Description As we grow and scale as a company we're looking for a Lead Backend Engineer to help build a world class purchase automation system, adding new features as well as maintaining and refactoring existing. The tech stack: - Software engineering - speci ...

Python Developer

Robert Half Technology are assisting a market leading financial services to recruit a Python Developer on an initial 12 month FTC basis. London based - hybrid working This role is primarily to provide AI integration support and guidance to a team of around 25 investment, operations and support per ...

Python Developer

Join Nordcloud and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success.Senior Python Developer (AI‑Augmented) Level:  ...

Python Developer

Salary: up to £200k base + bonusSummaryFantastic opportunity for all-star coders at one of the world’s top algorithmic trading firms. The Systems Development team builds and maintains the infrastructure and software platform used by all Systems teams to manage servers and n ...

Python Developer

Job DescriptionRole OverviewAs part of its ambition to become a Top 3 contributor in the European ETF market, our client is investing significantly in the evolution of its ETF Market Making platform, with a strong focus on advancing Automated Market Making (AMM) and client R ...

Python Developer

Job responsibilities • Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems • Creates secure and high-quality production code and maintains algorithms ...

Python Developer

Robert Half Technology are assisting a market leading financial services to recruit a Python Developer on an initial 12 month FTC basis. London based - hybrid working This role is primarily to provide AI integration support and guidance to a team of around 25 investment, operations and support ...

Python Developer

Job DescriptionRole OverviewAs part of its ambition to become a Top 3 contributor in the European ETF market, our client is investing significantly in the evolution of its ETF Market Making platform, with a strong focus on advancing Automated Market Making (AMM) and client RFQ ...

Python Developer

Description :What our team doesTheFront OfficeITDeliveryteam looks after the Traders and Analysts. Weprovidea wide range of solutions for both commercialdecisionsupport and more tradition ‘IT’ based activities.Generally, webuild in a Microsoft stack working closely with the ...

Junior Software Developer

Overview LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. If you want to work wit ...

DevOps Engineer

A leading public sector organisation is undergoing a major transformation of its digital and engineering capabilities. As part of this shift, they are hiring a DevOps-minded software engineer — someone who can contribute across software, infrastructure, and platform engineering. This ...

Principal Data Platform Engineer Hybrid (London/AMS)

An international online delivery platform seeks a Principal Engineer for its Data Platforms team. The role involves defining the technical vision for the Data Platform and leading the architecture design while mentoring engineers. The ideal candidate should possess extensive experience in software and data engin ...

Python Developer

Title: P&L Python developerLocation: London, UKType: ContractThese will support core engineering streams, unblock current bandwidth constraints, and ensure continued delivery momentum within a fixed multi-year funding envelope. * 5+ years of strong Python development experien ...

Python Developer

Key Responsibilities * Design and build backend components for risk engines, analytics pipelines, and end‑of‑day processing. * Develop high‑performance Python services for modelling, calculations, and data transformation. * Enhance and maintain inter ...

Java Developer Kafka API Tech Consultancy

Java Developer Kafka API – Tech Consultancy (PR/ ) London, England Salary: GBP80000 - GBP90000 per annum Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continu ...

Mid Senior Data Engineer, Data Platform & MLOps

A leading algorithmic insurance provider in Greater London is looking for a Mid-Senior Software Engineer to enhance their data capabilities. You will join the Portfolio Data squad, focusing on developing efficient data pipelines and collaborating with actuaries, data scientists, and engineers. This role requires ...

Principal Software Engineer Executive Director

If you are looking for a game-changing career, working for one of the world's leading financial institutions, you’ve come to the right place.JP Morgan Chase’s ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Engineer within AI Governance Engi ...

Principal Software Engineer Executive Director

If you are looking for a game-changing career, working for one of the world's leading financial institutions, you’ve come to the right place.JP Morgan Chase’s ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Engineer within AI Governance Engi ...

Site Reliability Engineer (SRE) Application Support

Site Reliability Engineer (SRE) - Application Support 5 days ago Be among the first 25 applicants About Step forward into the future of technology with ZILO™. We're here to redefine what's possible in technology. While we're trusted by the global Transfer Agency sector, our ...

Software Developer

LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. Developers are encouraged to constantly deve ...

Backend Engineer

Backend EngineerTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 mi ...

Backend Engineer

Backend EngineerTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 mi ...

DevOps Engineer (AI Focused)

Lead DevOps Engineer (AI- Focused) Mandatory hands-on experience supporting AI/ML or GenAI platforms About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banki ...

Sensors Data Calibration Engineer for Robotics (Contract)

A technology consulting firm in London is seeking a Datasets Software Engineer (Contractor) to support data calibration workflows. The role involves designing calibration workflows for robotics sensors and developing reusable pipelines to standardize data. Ideal candidates should have strong Python skills and ex ...

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 ...

Senior Software Engineer Sell Side Trading

Senior Software Engineer - Sell-Side Trading Location London Business Area Engineering and CTO Ref # **Description & Requirements** Every day, thousands of businesses across the globe rely on Bloomberg's Sell-Side Trading Platform to support their ...

Senior Software Engineer Sell Side Trading

Senior Software Engineer - Sell-Side Trading Location London Business Area Engineering and CTO Ref # **Description & Requirements** Every day, thousands of businesses across the globe rely on Bloomberg's Sell-Side Trading Platform to support their ...

Senior Java Consultant

We are seeking a highly skilled Senior Java Engineer to join a team building a next-generation OEM platform within a high-growth, global organization. This role sits at the core of a strategic platform build, focusing on developing scalable, high-performance systems that support complex data, pricing, and ...

Senior Software Engineer Sell Side Trading

Senior Software Engineer - Sell-Side Trading Location: London Business Area: Engineering and CTO Ref #: Description & Requirements Every day, thousands of businesses across the globe rely on Bloomberg's Sell-Side Trading Platform to support their trading activi ...

Security Cleared Data Architect – Azure, Big Data, Hybrid

A leading global consulting firm is seeking a Data Architect to manage and define architecture for high-profile projects. Candidates must have a strong background in data strategy, migration, and integration, with expertise in Java, Scala, Python, and Big Data technologies. Key responsibilities include defining ...

Remote Product Support Engineer APAC Specialist

A software and data solutions company is looking for a Product Support Engineer to provide crucial L1 and L2 technical support for their Screening software. Candidates must have strong troubleshooting skills and experience with Python, Linux, and various SaaS systems. This role requires working overnight hours t ...

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 ...

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 ...

Senior AI Solutions Engineer: Scalable LLM Pipelines

A financial technology company in Greater London is looking for a Senior Software Engineer - AI Solutions to design and deliver AI systems for financial products. The role requires strong software engineering skills, including proficiency in Python and TypeScript, as well as experience with distributed data proc ...

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 ...

Senior JavaScript Engineer | DataGrid & Charting Libraries | London

Frontend Systems Engineer – DataGrid & Visualisation Libraries | London (Hybrid) £150,000 – £200,000 + package Most engineers build applications. This team builds the components those applications rely on. I’m hiring for a develop ...

Autonomy Data Engineer: Scale AI Pipelines on AWS/Databricks

A leading electric vehicle manufacturer in Greater London is seeking a Senior Software/Data Engineer to enhance their analytics data platform. This role requires extensive experience in data engineering, specifically with AWS services and Databricks. The successful candidate will develop and scale data analytics ...

Data Platform Engineer: Scale ETL & Data Ops

A global leader in electronic trading is seeking a Data Platform Engineer based in Greater London. This role involves building and managing data processes on Tradeweb's platform, optimizing code and enhancing data pipelines. Candidates should have over 3 years of experience in Data Platform Engineering, strong s ...

Senior Data Platform Engineer Remote UK

A data security platform company in the United Kingdom is seeking a Data Engineer to optimize and design high-volume data pipelines. You will work with data systems like ClickHouse and Postgres, ensuring performance and reliability. Candidates should possess strong software engineering fundamentals and experienc ...

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 ...

Cloud Security Engineer Automation & Resilience

A leading technology firm in the UK is seeking a Cloud Security Engineer to manage and enhance security systems related to cloud technologies. The ideal candidate should have strong experience in Linux and Windows environments, AWS services, and high-level programming languages like Python and Java. Responsibili ...

Cloud DevOps Engineer CI/CD & Automation Leader

A leading technology firm in Greater London is looking for a DevOps Engineer responsible for integrating project functions across the product life cycle. The ideal candidate should have strong skills in Linux-based infrastructure, Ruby, Python, Perl, and Java. Knowledge of database management, automation tools, ...

Remote Test Engineer – API & Automation Specialist

A technology consulting firm is seeking a Test Engineer to join their team. In this remote role, you will engage with clients and work collaboratively on automation and testing frameworks. The ideal candidate has strong knowledge of Selenium and programming languages like Java or Python, as well as outstanding c ...

Site Reliability Engineer – Cloud Native & Resilient Systems

A leading fintech company in London is seeking a Site Reliability Engineer to ensure the reliability and scalability of their production infrastructure. You will work closely with product engineering teams and have the opportunity to influence the global financial landscape while tackling complex challenges. The ...

Production Support Engineer — Crypto Trading & Risk

A leading digital assets firm in the UK is seeking a Production Support Engineer with 4+ years of experience in financial services to ensure system stability and provide client support in cryptocurrency operations. The successful candidate will have strong technical skills in SQL and at least one programming lan ...

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