2,335,754+ Full Stack Java Developer Python Jobs in UK — Top Companies Hiring June 2026

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Senior Software Engineer (ML Quality Assurance)

Requirements Experience in production-quality software engineering roles Strong software design and architecture skills, with experience working on large or complex systems Strong proficiency in Python, including experience building and maintaining production codebases < ...

Java Software Engineer Hybrid Working Up to £175,000 Base (+ Bonus)

Java Software Engineer - Hybrid Working - Up to £175,000 Base (+ Bonus) Get AI-powered advice on this job and more exclusive features. Job Title: Java Software Engineer Salary: Up to £175,000 Base (+ Bonus) Location: London / Hybrid The role: My cli ...

Engineering Manager, ML Compiler in London Wayve

Engineering Manager, ML Compiler London, UnitedKingdom Posted 10 months ago Tech stack Compiler Python Manager C Qualifications Experience with Nvidia and Qualcomm SoCs and frameworks is valuable, but no ...

Trading Infrastructure Engineer in London Quant Capital

Trading Infrastructure Engineer London, United Kingdom Posted 11 months ago Role Description This role suits a candidate within finance looking for a move to a smaller close-knit team. Tech Stack Python Infrastructure Trading < ...

Senior Data Scientist in London IPG Mediabrands

Senior Data Scientist London, United Kingdom Role type: Full time Compensation: Competitive Visa sponsorship: Not provided Tech stack APIs Science SQL Amazon AWS Python Requirements ...

Core Analytics Data Investigation & Analytics Services Consultant in London Equifax

Core Analytics - Data Investigation & Analytics Services Consultant London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Application Python data mining Analytics SQL ...

DevOps Engineer / Site Reliability Engineer in London Freelancer.com

DevOps Engineer / Site Reliability Engineer London, United Kingdom Posted 11 months ago Tech stack Terraform Go CloudFormation PHP Ansible JavaScript Python Ruby Puppet DevOps ...

Quantitative Analyst Insurance in London Quant Capital

Quantitative Analyst - InsuranceLondon, UnitedKingdomTech stackQuantitative Trading AnalystGit & GitHubSTEM Version ControlPython GitRequired QualificationsMSc or PhD in a STEM subjectPython< ...

Linux Engineering Lead Quant Trading in London Quant Capital

Linux Engineering Lead - Quant TradingLocation: London, United KingdomPosted about 1 year agoTech stackPythonPuppetBashinfrastructure automationLinuxAnsibleTrading<b ...

Quant Linux Systems Engineer in London Quant Capital

Quant Linux Systems EngineerLocation: London, United KingdomCompensation: £120k - £160kQualificationsAdvanced knowledge of configuration management tools and practices for Linux systems administrationStrong proficiency in Python<b ...

Junior / Mid Level DevOps Engineer

DevOps Engineer (Junior or Mid-Level)5 days per week Guildford offices (Next to train station)Competitive salary and excellent benefits packageStratospherec are working with a Guildford based Enterprise Management software company who have thousands of clients across the UK and Europe.This Junior ...

Backend Engineer for Climate Action Platform

The Climate App in Greater London is seeking a skilled Android Developer to join our enthusiastic team dedicated to combating climate change. You will help develop a groundbreaking app designed to motivate climate action through positive peer influence. The ideal candidate will possess strong skills in ...

Senior Java Microservices Engineer – Remote & Cloud DevOps

RS Group is seeking an experienced software developer to own the entire software life cycle, focusing on design, build, and operation of services. Required skills include experience with Java-based services, HTTP protocols, and cloud computing, with a minimum of five years in technical roles. The position off ...

Senior Java Architect – Real‑Time API Platform Leader

Morgan Stanley is seeking a Senior Software Engineer to join the FID eTrading team in London. This critical position demands a highly skilled hands-on Java developer with extensive experience in real-time systems and internet-facing APIs. Responsibilities include leading architectural decisions and delivering ...

Senior Software Engineer (Remote) – Cloud & Collaboration

A leading technology firm in the United Kingdom is seeking an experienced Senior Software Developer to join their remote team. The candidate should have a proven track record of developing high-quality applications and solutions. Responsibilities include designing, developing, and implementing software based on ...

Senior ETRM Platform Developer for Trading Lifecycle

Castleton Commodities International, LLC is looking for a Senior ETRM Application Developer. You will be responsible for building and enhancing applications that support the entire commodities trading lifecycle. The role involves designing services, data pipelines, and implementing production support for trad ...

Remote Tech Lead: AI Driven Java Microservices Modernisation

Tiro Partners Limited is seeking a Tech Lead to join our new Service Modernisation & AI team in Greater London. This role offers the chance to modernise critical legacy Java services and build AI-powered tooling that enhances developer productivity. The ideal candidate has over 10 years of backend engi ...

Salesforce Developer & Web Tech Specialist

Job Requirements Oriented methodologies and approaches Preferred expert knowledge of relational databases and data modelling Preferred proficiency in Javascript, AJAX, SQL, HTML, CSS. This is a unique opportunity for someone to expand further into web tec ...

Security Cleared Java Backend Engineer

IDEMIA Group is seeking a Software Developer to join our team in Winnersh, UK, focusing on long-term government projects. Candidates should have 2–3 years of Java development experience and strong knowledge of Spring Boot and REST APIs. You will be designing secure back-end services, building RESTful A ...

Java Software Engineer Hybrid, Path to Lead

RaptorTech Recruitment has a permanent vacancy for an experienced Software Developer in Ipswich to work on a hybrid basis. The role involves collaborating in a cross-functional team, focusing on the design and development of mature software products while mentoring junior developers. The successful can ...

VP & Lead Architect XVA Tech & AI Automation

Citi is seeking a Lead Developer – VP – XVA Technology to lead application systems analysis while driving automation initiatives, especially in generative AI. You will mentor mid-level developers, manage project quality, and collaborate closely with various teams to implement innovative solutions. The ...

Mobile Voice Engineer (Android) – VoIP & Multi Network

Mobilus Labs Limited in Greater London is seeking a Mobile Software Developer to join their innovative team focused on voice communication technology. The role involves designing and developing a mobile app, implementing cutting-edge features, and collaborating within an agile environment. The ideal ca ...

Equities Front Office Tech Engineer Java & FIX

A leading financial services firm is seeking a developer to work on key projects for their Equities business in London. This role involves supporting front-office trading teams and local middle office functions, along with developing applications critical to client reporting and trading operations. The ideal can ...

Senior Developer for GOV.UK One Login (AWS/TypeScript)

A UK government agency is seeking a Developer to join the GOV.UK One Login Programme. You'll work in a fast-paced environment with a focus on developing secure, robust digital services for all citizens. The ideal candidate will have experience with cloud technologies, TypeScript or Java, and an understanding of ...

React Front End Developer (Hybrid) — E2E & MUI specialist

Java Script Works is seeking an experienced Front End Developer to join the CORE Mod. team in Tax Admin. The role requires expertise in React frameworks and experience working in a hybrid environment in Telford, with a minimum of 2 days in the office per week. This contract position is for 6 months, wi ...

Senior Java Engineer: AI Driven, High Throughput Systems

mthree is seeking an Expert Systems Developer to lead the architectural evolution and scaling of a high-throughput platform for a tier-one global financial institution. This role involves driving automation, influencing system design, and ensuring engineering excellence through rigorous standards and mentorin ...

Salesforce Developer in London Quant Capital

Job Requirements Oriented methodologies and approaches Preferred expert knowledge of relational databases and data modelling Preferred proficiency in Javascript, AJAX, SQL, HTML, CSS. This is a unique opportunity for someone to expand further into web tec ...

Senior Developer for GOV.UK One Login (AWS/TypeScript)

A UK government agency is seeking a Developer to join the GOV.UK One Login Programme. You'll work in a fast-paced environment with a focus on developing secure, robust digital services for all citizens. The ideal candidate will have experience with cloud technologies, TypeScript or Java, and an understanding of ...

Low Latency HFT Quant Developer

Queueco is seeking a talented Quantitative Developer specialising in High-Frequency Trading (HFT) to join their team in Greater London. This role involves designing and optimizing low latency trading systems while collaborating with traders and researchers to improve performance and efficiency. The ide ...

Engineering Lead, API Experience & Developer Platform

Dangote Industries Limited is seeking an experienced Engineering Lead to oversee the API Experience team. You will manage engineers building secure tooling for enterprise partners integrating with Wise’s API.The role emphasizes a product-led mindset, technical authority in Java, and experience in distr ...

Senior Platform Engineer

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Senior Platform Engineer

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Production Engineer Vice President

The Production Engineer is a pivotal role within Citi's Technology organisation, responsible for designing, building, and operating the intelligent systems that underpin our global production environment. This is an engineering-first position at the intersection of software craftsmanship, AI-native development, ...

Software Developer Intern

About Fox & Chester Fox & Chester is a forward-thinking creative and technology company dedicated to building exceptional digital experiences. We work with clients across industries to deliver smart, scalable solutions, from sleek web interfaces to powerful backend systems. Our team is collaborat ...

Senior Data Scientist Data Science & GenAI in London Dufrain

Senior Data Scientist - Data Science & GenAI London, UnitedKingdom Posted 11 months ago This is a job posted by our partner Jooble Tech stack science Python Data Science Below is a snippet of the job description. To read ...

Cloud Automation Engineer

Java Script Works is seeking an Automation Platform Specialist in Reading, United Kingdom. The role involves developing and maintaining automation scripts, utilizing a range of technologies including Amazon AWS, Python, and Bash. Ideal candidates will be experienced in cloud environments and able to co ...

Senior Research Engineer — Quantitative Data & Backtests

A technology consulting firm in London is seeking a Research Engineer with strong software development skills. The role involves streamlining processes, managing market data, and enhancing research frameworks. Required qualifications include expertise in Python, Java, and SQL, alongside a relevant degree. This p ...

Senior Software Engineer Payroll (Python/Django/React)

Java Script Works is seeking a Senior Software Engineer for a contract role in London. The ideal candidate should demonstrate strong written and verbal communication skills and effectively collaborate across diverse functional teams. Experience with Python, Django, and React is a plus. This position offers compe ...

Senior Python Engineer | SQL/ORM, CI/CD, Product‑minded

Java Script Works is seeking a highly experienced Software Engineer in Cambridge with expertise in advanced Python and product management. You will be responsible for developing innovative software solutions and collaborating closely with product teams. The role offers a competitive salary ranging from ...

Camel Microservice Architect

Camel Microservice Architect London based hybrid role – 2/3 times per week at office We are seeking a skilled Camel Microservice Architect with senior experience to join our team. The ideal candidate will have expertise in Apache Camel, Spring Cloud, Spring Boot, Spring Integratio ...

Senior PHP Developer

Overview Job Role: Senior Full-Stack PHP Developer Reference: BH-340p Job Type: Permanent Salary: up to £85,000 depending on experience Location: London Remote: 4 days remote - 1 day on-site in London office - Postc ...

Senior Squad Lead Application Development

Newcastle onsite (relocation considered) Due to programme security requirements, this role is open to sole UK nationals only. Candidates must be eligible for or already hold SC clearance. Tools: C#, Java, Python You've spent years shipping code at scale. You're exceptional at ...

Senior Expert Software Engineer

Division: Group Business Solutions (GBS)Your career opportunityJoin our Group Business Solutions (GBS) division, where we design and sustain IT solutions for financial market securities. Be part of a dynamic, collaborative team in a fast-evolving environment, shaping the future ...

Senior Expert Software Engineer

Division: Group Business Solutions (GBS)Your career opportunityJoin our Group Business Solutions (GBS) division, where we design and sustain IT solutions for financial market securities. Be part of a dynamic, collaborative team in a fast-evolving environment, shaping the future ...

SC Cleared Automation Test Engineer 6 Month FTC

A leading IT services company in the United Kingdom is seeking an Automation Test Engineer to join their Quality Engineering & Assurance practice. Candidates are expected to have SC clearance, alongside strong programming skills in Python and Java. The role involves working on automation frameworks, developing C ...

Security engineer, application security (UK)

About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wi ...

Fully Remote Senior Backend Engineer | Equity & Impact

A leading tech startup in the UK is seeking an experienced Full Stack Engineer to join their elite team. The role is fully remote with an attractive compensation package of up to £120,000 plus equity. Ideal candidates will have 3+ years of experience, a strong command of Python and Typescript, and a proven abili ...

Front end engineer AI Trainer in London DataAnnotation

Overview Job Opportunity: AI Chatbot Coding Trainer We are looking for programmers to join our team and help train our AI chatbots to code. Candidates must be fluent in English and proficient in either Python and/or JavaScript. Responsibilities Help train our AI chatbot ...

Senior Data Scientist Reading in London Quant Capital

Join Our Dynamic Team A pure merit basis with rapid progression actively encouraged. This team has a strong reputation in the market as breeding quick thinkers and adding real value to SMEs. My client is based near Reading. Key Requirements Scala Data Scien ...

Senior/Lead Mobile Application Developer in Glasgow iPlace USA

Senior/Lead Mobile Application Developer Glasgow, United Kingdom Tech stack TypeScript iOS Application Android Operating Systems Mobile Usability Job Responsibilities: Develop high-performance, high-quality vide ...

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    Full Stack Java Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights