Senior Fullstack Engineer Java Python Jobs in UK

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Production Systems Engineer Scale & Reliability

A leading technology company in the United Kingdom is seeking a Production Engineer (University Grad) to develop infrastructure for platforms used by billions of users. The role involves managing complex back-end services and writing high-quality code. Candidates must have a Bachelor's degree in Computer Science ...

Remote IT Access Engineer — Cloud & On Prem Security

A global specialty chemicals company is seeking an IT Access Engineer to automate and improve their access management solution for a custom-built R&D data platform. The role, designed for remote work with occasional visits to Welwyn Garden City, involves communicating between cloud and on-prem systems, managing ...

Backend Engineer for AI Startup — Ownership & Impact

An innovative AI startup in Greater London is seeking a Software Engineer to join its high-caliber team. In this role, you will work on backend systems integrating with LLMs, having direct conversations with customers and shaping products that make a real impact. Ideal candidates should have strong experience in ...

Senior ML Engineer — Build Scalable AI Solutions

A leading betting and gaming operator in the United Kingdom is seeking a Machine Learning Engineer to develop scalable, end-to-end ML solutions. You will work closely with data scientists and lead the deployment of ML models, ensuring robust infrastructure and compliance. The ideal candidate has 3-5 years of exp ...

Senior Test Automation Engineer — Hybrid & Impactful Leadership

A dynamic challenger bank is seeking an experienced Test Automation Engineer to enhance their testing processes. In this role, you will collaborate with engineers, improve test coverage, and manage test pipeline issues. The ideal candidate will have a solid background in test automation and coding, particularly ...

Senior Site Reliability Engineer — Cloud, CI/CD & Automation

A global financial services leader in Glasgow seeks a Site Reliability Engineer III to drive innovation by improving complex systems. The successful candidate will have experience in SRE concepts and strong programming skills in languages like Python and Java/Spring Boot. You'll collaborate across teams to deplo ...

Staff Platform Engineer: Billing & Microservices Architect

A fintech solutions company is looking for a Staff Software Engineer in Belfast to design and optimize billing services for their platform. The ideal candidate will have over 8 years of software development experience, specifically in Java or Python, alongside expertise in cloud platforms and CI/CD practices. Th ...

Graduate Software Engineer: High Performance Systems

A dynamic technology firm in London is seeking a Graduate Software Engineer to join their innovative team focused on high-performance systems. The role promises hands-on experience in developing low-latency solutions for market data and requires a strong foundation in programming languages like Java and Python. ...

Remote Application Security Engineer — AI Platform

A leading AI technology company is seeking a Security Engineer to build security foundations for AI systems used by top brands. You will integrate security into application development, work alongside engineering teams, and design security features for customer environments. The ideal candidate has 2+ years of e ...

Staff AI Serving & Infra Engineer — Scale ML Deployments

A leading AI-powered customer platform is seeking a Staff Software Engineer to join its AI Serving team in London. In this role, you will develop and enhance infrastructure for AI model deployment and serve as a key contributor to improve performance and efficiency. Ideal candidates will have strong experience i ...

Tech Lead, Solutions Engineer Growth & Partnerships

A leading tech company in England is seeking an experienced Solutions Engineer to manage client relationships, develop customized solutions, and influence product development. The ideal candidate should have a Bachelor's degree in Computer Science and a minimum of 5 years of experience in producing quality code. ...

Backend Engineer, AI Platform Scalable ML

A leading AI innovation firm in London is seeking a Backend Engineer to play a crucial role in building and scaling AI capabilities. You will design and maintain backend services, develop tools for AI deployment, and create scalable data pipelines. The ideal candidate has over 4 years of experience, strong skill ...

Secure Software Engineer – Defence & National Security

A leading technology firm is looking for an experienced Software Engineer to work on defence and national security programmes in Greater London. The role requires active SC clearance and offers a hybrid working model, with 2-3 days on-site in either Gloucester or London. Candidates should be proficient in Java, ...

Senior Python Architect AWS & Cloud Platform Lead

A leading energy technology company in the UK is seeking a Principal Software Engineer to architect and develop solutions using Python and AWS. In this role, you will lead technical strategy, make key architectural decisions, and mentor engineers within an Agile team. This position offers a hybrid working model ...

Senior Software Engineer

Job Summary Senior Software Engineer required by an established technology company located in Staines. Hybrid working - three days per week in the office. Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. Your actual pay will be ba ...

Senior Customer Facing Data & AI Engineer

A leading data and AI company is seeking a Forward Deployed Engineer to work closely with strategic customers and deliver custom fullstack solutions. The role requires experience in application delivery, AI/ML technologies, and the ability to communicate complex concepts effectively. This hands-on position combi ...

Full Stack Engineer: Build Interactive Growth Tools

A leading financial infrastructure platform in the UK is seeking a Fullstack Engineer to create engaging user experiences and interactive tools. This role requires collaboration across teams, focusing on tools that enhance user journeys. Candidates should have at least 2 years of development experience, with str ...

Site Reliability Engineer

Our client is hiring experienced Senior Site Reliability Engineers in the UK or Germany to join a global engineering team supporting a high‑availability, Java‑based platform used by customers worldwide. This role is for true SREs — not DevOps engineers. If your passion is ensuring reliabilit ...

Low Latency Software Engineer : C++/Java : £150 200k+

Low-Latency Software Engineer : C++/Java : £150-200k+ We’re partnering with a leading global trading firm to hire a Low‑Latency Software Engineer. This is a rare opportunity to work on ultra‑low‑latency systems that process market data and execute trades at sub‑millisecond speeds – the backbone o ...

Solutions Architect Java

Join to apply for the Solutions Architect - Java role at Lumenalta . Enterprise companies turn to us to help them launch innovative digital products that interact with hundreds of millions of customers, transactions and data points. The problems we solve every day are real and requir ...

Java Software Architect

Overview Sr. Technical Recruiter at Solvex Solutions Experience Level: Senior (10+ years) The Opportunity: We’re looking for an experienced Software Architect (Java & Cloud) to join a global technology team building the next generation of financial and ...

Java Software Developer

Java Software Developer – DXC Technology Join to apply for the Java Software Developer role at DXC Technology. Location On site in Gloucester or Central London, 5 days a week. Security Vetting Requirement Due to security vetting requirements candidates must be ...

Junior Java Developer

We’re hiring a Junior Java Engineer to join a fast-growing product engineering team working on a large-scale platform used by thousands of businesses. This is a great opportunity for someone with ~2 years of Java experience who enjoys solving real production problems, deb ...

Java Developer Leicester

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

Java Developer Leicester

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

Java Developer (HS)

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

Java Developer Contract

Java Developer (SC Cleared) – Remote - £455 per day - Start ASAP A large managed service provider require a Java Developer with the ability to work with data throughout its lifecycle, from collection and storage to processing and analysis. This role is predominately remote with the flexibili ...

Java & PEGA Developer

Java & PEGA BPM Developer Urgent requirement supported by RED Global for client. Working model: Hybrid – 2 days on-site per week. Contact: Direct message the job poster from RED Global. Referrals increase your chances of interviewing at RED Global by 2x. Looking forward to ...

Junior Java Developer

This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Venture Up Co-Founder Venture Up - Building Tech and Product teams across UK and Europe! < ...

.NET/Java Developer

.NET/Java Developer (Tech stack: .NET Developer, C#, Java, Azure, Kubernetes, DevOps, ReactJS, Microservices, CI/CD, Backend Developer) Our client is a forward‑thinking technology organisation delivering cloud‑based enterprise solutions. They are seeking a .NET / Java Developer to design, d ...

Remote Full Stack JavaScript Engineer ByteHire

```htmlHighly Skilled Full-Stack JavaScript Developer ...highly skilled Full-Stack JavaScript Developer who has proven experience with strong React fundamentals and in-depth knowledge of Next.js features, including Server-Side Rendering (SSR), Static Site Generation (SSG), routing, and API routes. Y ...

Software Engineer (National Security)

Software Engineer | Building Intelligent Systems That Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector Tech: JAVA/C++/Python - or Devops/Data Background An exciting opportunity has arisen for ...

Software Engineer Intern (2026 Cohort) in London Cogna

Software Engineer Intern (2026 Cohort) London, United Kingdom Posted 7 months ago This is a job posted by our partner Jooble Tech stack C Rust TypeScript Artificial Intelligence Software Engineer Haskell ...

Data Engineer

We're partnering with a globally recognised FinTech organisation undergoing significant growth to hire a Data Engineer. This role will focus on designing and enhancing data pipelines that underpin market abuse surveillance across trading and communications platforms. You'll be responsible for ensuring data relia ...

Senior Data Engineer

AWS Data Engineer (Innovation Group) Location: London (Hybrid – 3 days per week) Duration: 6 Months Initial Contract Rate: TBD Are you a Data Engineer who thrives on building more than just standard ETL pipelines? Our Innovation Group is looking for a technical problem-solver to design, build, and codify the rul ...

Senior Credit Risk Analyst — Fintech, Python/SQL

A leading fintech company in Greater London is seeking a Senior Credit Risk Analyst to drive meaningful change in consumer finance products. The ideal candidate will have strong coding skills in Python and SQL, as well as experience in credit risk strategy. This full-time position involves optimizing lending dec ...

Remote Senior Python SRE – Cloud Ops & OpenStack

A leading technology firm is seeking a Senior Site Reliability Engineer to enhance cloud operations using Python. The role focuses on architecting solutions with OpenStack and Kubernetes. Candidates should have a degree in Software Engineering or Computer Science, alongside skills in Linux and cloud technologies ...

Senior SRE | Python Driven Cloud Ops (Remote)

A leading open source software provider is seeking a Senior Site Reliability Engineer. This role involves driving operations with Python infrastructure management, ensuring mission-critical service support, and engaging in cloud operations. Ideal candidates should have a degree in Software Engineering, strong Py ...

Senior Python Developer FinTech Up to £90k

OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you' ...

Senior Quant Developer Rates, Python & Legacy Automation

A professional services consultancy in the UK is seeking a Python Developer to lead the decommissioning of complex spreadsheets and rebuild them into scalable solutions. The ideal candidate will have strong Python skills, experience with Excel/VBA, and a commitment to mentoring junior developers. This role invol ...

Senior Python/React Full Stack Developer (Remote)

A leading consultancy is seeking Full Stack Python/React Developers to join a mission-driven team delivering software solutions for the UK Government. You will design and develop secure systems, work with cloud environments, and collaborate closely with diverse teams. The role offers flexitime, private healthcar ...

Senior Full Stack Python/React Developer (Remote)

A mission-led consultancy in the UK is seeking talented Full Stack Python/React Developers to join a high-performing team focused on delivering innovative software solutions. The role offers an agile environment where you will design and develop secure applications, utilizing your skills in Python and React. Wit ...

Senior Python Backend for Forecasting AI Agents

A cutting-edge AI firm is seeking a talented backend engineer to develop the infrastructure for autonomous AI systems. You will work closely with founders to design data pipelines, architect backend services, and ensure optimal integration of various components. The ideal candidate has over 5 years of experience ...

Mid Senior Python Developer: AWS, Django & GraphQL

A technology consulting firm in the United Kingdom is seeking a candidate skilled in AWS Cloud services and Python frameworks such as Django for a mid-senior level contract role in Information Technology. The ideal applicant will possess experience with RESTful APIs and GraphQl, and a strong understanding of agi ...

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    Senior Fullstack Engineer Java Python Jobs in United Kingdom Job Search Guide, Trends and Insights