1,353,236+ Full Stack Java Developer Python Jobs in UK — Top Companies Hiring July 2026

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Lead Data Platform Engineer: AWS & Analytics

Stars Arena is looking for a Data Platform Engineer to lead the development of its data platform. Located in Greater London, you will architect and build scalable data pipelines using AWS technologies. Ideal candidates have over 5 years' experience in data platform roles, proficiency in Python, and a collaborati ...

Secure DevOps Engineer: Build Scalable, Safe Platforms

G-Research is seeking a talented individual to join their DevSecOps team in Westminster, UK. You will be responsible for designing and implementing security services that empower engineers, ensuring security is integrated seamlessly into workflows. The ideal candidate will have programming skills in Python or ...

Senior Computational Biologist, Aging & Omics Research

Altos Labs in Cambridge is looking for a Scientist / Senior Scientist in Computational Biology to contribute to innovative aging and rejuvenation research. The ideal candidate will design computational strategies and collaborate with cross-functional teams to analyze multi-omics data. This role require ...

Data Scientist — ML & Analytics, Derby Onsite

Free-Work UK is looking for a Junior-Mid Level Data Scientist to join their team in Derby. This role involves developing data-driven solutions and contributing to machine learning models across various projects. The ideal candidate will have 1-3 years of experience in data science, strong programming s ...

Data Scientist: ML for Scalable Banking

Banking Circle is seeking a Data Scientist to join their team in London or Copenhagen. The role involves developing scalable, machine learning-based systems that support banking operations. You will implement innovative solutions to detect suspicious transactions and improve client interactions. The id ...

Hybrid Data Scientist — AI & Retail Innovation

Sainsbury's Supermarkets Ltd is looking for a Data Scientist to join their Data Science team in London. In this hybrid role, you'll develop innovative data science solutions that automate decision-making across the business. This position requires a strong background in mathematics and statistics, alon ...

Remote Geospatial ML Scientist: Land Use & Supply Chains

NLP PEOPLE is looking for a Machine Learning Scientist to develop models that convert satellite and radar observations into actionable insights on commodity supply chains. The role involves working on agricultural mapping, biomass estimation, and contributing to the entire model lifecycle. Applicants s ...

Senior Data Scientist: Lead AI & Data Solutions

MASS is seeking a Senior Data Scientist in Little Paxton to lead innovative data solutions across customer projects. In this role, you'll guide technical delivery, mentor junior team members, and shape the evolution of the Data Science capability. The ideal candidate will have experience in Python or M ...

Data Scientist II — AI/ML Lab Innovator

QuantumBlack, AI by McKinsey is seeking a skilled data science professional to join our team in London. This role involves developing innovative AI and machine learning products while collaborating with diverse teams to tackle complex business challenges. The ideal candidate has significant experience ...

Data Scientist: Client Focused ML & Insight Delivery

Simplify Software Experts LLC/ Simpli Software Solutions Inc is seeking a Data Scientist to join their Data Science Consulting Team in Reading/London. This role will involve analyzing large datasets, creating client reports, and developing new algorithms to enhance client services. The ideal candidate ...

Data Scientist & Engineer for Digital Screening (Remote)

Experis is looking for an experienced Data Scientist/Engineer to support its Digital Screening programme. The role involves leading exploratory analysis and helping design high-quality dashboards and reporting products. You'll collaborate with Data Engineers and User-Centred Design professionals within a mult ...

Senior AI Security & Detection Engineer

Obsidian-Security is seeking a security engineer in Manchester to enhance SaaS platform security. You will develop detection logic based on your understanding of platforms like Microsoft 365 and Salesforce. Ideal candidates have 4+ years in cybersecurity, proficiency in SQL/Python, and the ability to c ...

Staff ML Scientist: Ranking & Personalization (Remote)

A leading circular fashion marketplace is seeking a Staff ML Scientist to join their Ranking ML team in the UK. This role involves leading the design and deployment of advanced ranking algorithms, working collaboratively across various teams to deliver innovative solutions. Candidates should have significant exp ...

Delta One Trading Director: Alpha, Risk & Tech Strategy

CLSA seeks a Director for Delta One Trading based in Greater London. This leadership role involves managing TRS books across European and U.S. markets, enhancing trade management systems, and driving inventory strategies to boost alpha generation. The ideal candidate should possess a degree in Finance ...

Technical Leader: AI, Data & Cloud Eng (Hybrid)

Searchability® in Greater London is seeking an experienced Technical Leader to drive engineering strategy and oversee project delivery. This hands-on leadership role requires a strong Python background and the ability to mentor multidisciplinary teams across frontend, backend, DevOps, and design functions. </ ...

Data Scientist – ML & Analytics (Derby)

Onyx-Conseil is seeking a Data Scientist in Derby to deliver data-driven solutions and develop machine learning models. This role offers collaboration with experienced professionals and involvement in all facets of the data science lifecycle, from exploration to deployment. The ideal candidate will pos ...

Senior Thermofluids Model Validation Engineer (Hybrid)

Rolls-Royce SMR Limited is seeking a Senior Engineer for Thermofluids Model Validation to join the Performance & Analysis team. The role includes leading a team to develop modeling approaches and verify thermal-hydraulic codes, with opportunities for collaboration and innovation. Ideal candidates will ...

Radar Signal Processing Engineer – EW & Simulations

IC Resources is supporting a client in the defence and security sector, hiring a Radar Signal Processing Consultant just outside Cambridge. In this role, you'll model, simulate, and analyze complex systems, focusing on radar and Electronic Warfare projects. The ideal candidate is skilled in signal proc ...

Data Operations Manager: Automation & Insights (Hybrid)

WeAreAspire is looking for a mid-level Data Operations Manager to join their London-based team in a hybrid capacity. This role involves operational delivery on both domestic and international research projects aimed at improving understanding of consumer insights and stakeholder engagement. The ideal c ...

GenAI Platform Engineer Cloud Native AI Pipelines

Tata Consultancy Services is looking for a GenAI Adoption – Platform Engineer in London to lead the design and implementation of scalable platforms for AI workloads. This role involves developing AI applications and integrating advanced capabilities within enterprise systems. A successful candidate wil ...

Investment Implementation Analyst: Own Portfolio Ops & Automation

BWD Search & Selection is seeking an Investment Implementation Analyst to join their investment team in Greater London. The ideal candidate should have experience in portfolio management or investment operations along with strong Python skills. The role involves maintaining investment processes, monito ...

Senior Applied Data Scientist Retail Analytics & Impact

Dunnhumby Ventures, located in Greater London, is seeking a Senior Applied Data Scientist to leverage advanced data science in innovative ways. In this role, you'll implement and support complex models while collaborating with talented teams and influential clients. You will need a degree in a quantita ...

Senior AI Architect & Data Science Lead

Kainos is looking for a Lead Data Scientist based in Belfast, UK, to architect and deliver advanced AI solutions using cutting-edge technologies. In this role, you will mentor a small team, translate business challenges into AI solutions, and uphold responsible AI practices. The ideal candidate will ha ...

Senior Data Scientist, Financial Crime Solutions

MasterCard is seeking a Lead Data Scientist for its Financial Crime Solutions team in Greater London. The role involves developing algorithms and working with payments data to combat financial crime. You'll conduct research and engage in product design while collaborating with a specialized team. The i ...

Staff+ Engineer: AI Powered Energy Pricing Architect (Remote)

Tem-Energy in Greater London is seeking an experienced engineer to lead the pricing infrastructure known as Rosso. This role is crucial for revenue and requires ownership of the architecture, technical leadership, and close collaboration with ML and Data Science teams. Successful candidates will have d ...

Staff Product Security Engineer: Cloud Native Defender

Chainguard is seeking a Staff role focused on technical leadership and security for their engineering team in Greater London. The role includes responsibilities such as designing secure CI/CD pipelines, implementing security controls, and leading architecture reviews for Kubernetes on GCP and AWS. Qual ...

Actuarial Insights & Pricing Lead: Data Driven Transformation

Chubb European Group Ltd. is looking for a COG Actuarial Insights and Projects Lead to drive actuarial reporting and pricing modernization within the team. The role involves translating complex data into clear business insights and overseeing projects that improve reporting and data quality. The ideal ...

Political Risk Data & Exposure Analyst

Chaucer Underwriting Services Limited is looking for an Analyst to join the Exposure Management team, focusing on Political Violence and Credit Risk classes. This role involves managing and analyzing data to support underwriting, ensuring data integrity, and producing management reports. The ideal cand ...

Delta One Trading Director: Alpha, Risk & Tech Strategy

CLSA seeks a Director for Delta One Trading based in Greater London. This leadership role involves managing TRS books across European and U.S. markets, enhancing trade management systems, and driving inventory strategies to boost alpha generation. The ideal candidate should possess a degree in Finance ...

AI Software Architect — Real Time Property Tech Innovator

A leading proptech company in Greater London seeks an AI Applied Engineer to develop and deploy AI-powered features that enhance user interaction and operational efficiency. This role requires strong Python expertise with frameworks such as FastAPI and Django, experience in AI/ML applications, and skills in inte ...

Senior Applied AI Engineer Client Facing, Scaleup

Opus Recruitment Solutions is looking for a Senior/Lead Applied AI Engineer to join an innovative AI consultancy in Edinburgh. You will be responsible for building production-grade AI systems using your expertise in Python and SQL, and work on high-impact projects with leading organisations. The ideal ...

Senior Data Scientist, Analytics & Impact

Expedia, Inc. is seeking a Data Scientist III in the City of Westminster, UK. In this role, you'll apply advanced statistical and machine learning techniques to solve complex business problems, mentor junior staff, and manage analytical workstreams. The ideal candidate will have 4–6 years of experience ...

Data Ingestion & Infra Engineer for Scalable AI Pipelines

A cutting-edge tech company in the UK seeks a skilled Software Engineer to join its AI team, focusing on data ingestion for model training. The ideal candidate should have a BS/MS/PhD in Computer Science, along with over 5 years of experience in software development, proficiency in bash/Python, and experience wi ...

Lead Data & AI Platform Engineer

Curveanalytics, based in Greater London, is seeking a Lead Data & Platform Engineer to lead the design and deployment of data and AI platform solutions in the cloud. This role involves managing a team of over 35 engineers and working with clients to deliver innovative data solutions. The ideal candidat ...

Senior SDET, AI Driven Testing & Quality Analytics

Roku, Inc. in Cambridge is seeking a Senior Software Engineer (SDET) to revolutionize testing with AI and analytics. You will design intelligent test systems and improve quality metrics, working closely with software and QA engineers. The role offers a hybrid work approach, allowing for both office and remote ...

Senior ML Scientist: Credit Risk & End to End Modelling

Monzo is looking for a Senior Machine Learning Scientist to enhance customer and business outcomes through machine learning in credit risk modeling. You will work alongside experienced ML Scientists, owning the complete lifecycle of ML applications. This role emphasizes collaboration with diverse teams to inn ...

Test Automation Engineer — API, Graph/Neo4j & CI/CD

Energy Jobline ZR based in Sheffield is seeking a skilled test engineer to build and maintain automated testing frameworks for API and event-driven services using Python/PyTest. You will define test plans and ensure traceability while collaborating with various teams to improve overall test quality. Th ...

Senior Software Engineer API & CRM Platform Lead

Edun ltd is seeking an experienced software engineer to design and deliver core CRM services. The role requires strong knowledge of TypeScript and Python, along with the ability to set engineering standards across the codebase. Successful candidates will have 5+ years of experience and be comfortable w ...

Aerospace Digital Wing Engineer: FEM & Automation

Airbus S.A.S. in Filton seeks a candidate for an aerospace engineering role focusing on stress analysis and automated workflows. This position invites individuals with strong backgrounds in FEM and data analytics, particularly using Python scripting. The role offers a hybrid working model and emphasizes colla ...

Senior Oracle Linux KVM & OLVM Architect (Hybrid)

Sanderson Recruitment is looking for a Senior Oracle Systems Engineer for a 12-month hybrid contract in Farnborough. This senior role emphasizes designing, building, and delivering enterprise virtualization platforms in secure environments. The ideal candidate will have strong experience in Oracle Linu ...

RF Data Scientist Sensor Signals & AI Research (Hybrid)

Ecm Selection is offering a research position in Greater London focused on sensor data and RF signals. The ideal candidate will hold a PhD or have equivalent commercial experience, and possess skills in machine learning, Python programming, and developing algorithms. This role includes opportunities fo ...

Cloud Platform Engineer IaC, Kubernetes & CI/CD

Gravity Engineering Services Pvt Ltd. is looking for a skilled professional to design, implement, and manage cloud solutions across AWS, Azure, and GCP. This position requires hands-on experience with Terraform and Kubernetes, as well as the ability to build and maintain CI/CD pipelines. The ideal cand ...

Quantitative Crypto Portfolio Manager – P&L Owner

Fasanara Capital seeks an experienced Portfolio Manager to manage a dedicated risk book within Fasanara Digital. This role offers substantial autonomy and P&L ownership while developing systematic trading strategies across dynamic crypto markets. The ideal candidate will possess at least 5 years of qua ...

Senior Sales Analytics Leader, AI and Data Pipelines

3761 Barclays - BX - UK is hiring for a data analytics role to drive strategic decision-making through analyzing large datasets and deploying advanced analytical techniques. Candidates are expected to build data pipelines, develop interactive dashboards, and operationalize data-driven insights effectively. </ ...

Data Scientist – Next Best Action & Personalised Engagement (Hybrid)

Allstate Insurance Company in Belfast is looking for an early-career Data Scientist to join its team. You will work on high-impact data science projects, employing tools like Python and Spark to analyze data and develop predictive models. The role offers a competitive salary, hybrid working options, an ...

Remote AI Coaching Lead for Apprentices (Level 6)

CORNDEL LIMITED is seeking an Applied AI Engineering Coach (Level 6) to support apprentices on its AI Engineer / Machine Learning apprenticeship programme. The role involves coaching learners through the machine learning lifecycle, from problem scoping to deployment. The ideal candidate will have hands ...

AI Driven Data Analyst & Engineer (Pilot Programs)

A leading technology firm in the UK seeks a Data Analyst / Engineer to join their Forward Deployed Engineering team. You will partner directly with customers during trials, transforming complex data into insights that drive AI procurement solutions. Ideal candidates will have over 2 years of experience, be fluen ...

UK Marketplace Ops Lead: Data Driven Growth & Incentives

Uber in Greater London is looking for a candidate to join the UK Operations team. The role focuses on solving complex operational challenges using data-driven insights to improve delivery experiences for customers and couriers. The ideal candidate possesses a quantitative degree, strong experience in operatio ...

Data Scientist ML in Production for Cyber Risk

QxBranch, operating in Bristol, is searching for a talented Data Scientist to join its expanding team at Envelop Risk. This role focuses on developing machine learning solutions and analytics models while collaborating with experts in data science and insurance. With a flexible work schedule and opport ...

Site Reliability Engineer for Trading Platforms

Barclays is seeking a Site Reliability Engineer based in London to oversee the reliability and performance of systematic trading algorithms within the Equity Derivatives business. You will implement software engineering techniques and automation in incident response to enhance system availability and scalability ...

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