Senior Java Python Engineer Jobs in UK

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Software Engineer, Equity Index Options Low Latency

A leading trading firm in Greater London is seeking a Software Engineer to design and develop proprietary software for trading systems. This role requires an undergraduate degree in a relevant field and at least 2 years of experience in programming languages like Java, C++, and Python. The successful candidate w ...

Platform Infrastructure Engineer: Scalable Home Systems

A leading tech company in Greater London is seeking a software engineer to develop next-generation technologies that impact billions of users. This role involves delivering high-impact projects for Home Infrastructure while collaborating with teams in Zurich. Candidates should possess a Bachelor’s degree or equi ...

Mission Driven Software Engineer – Hybrid, Competitive Pay

A security and intelligence agency is seeking a Software Engineer to develop innovative solutions to real-world challenges. This role involves collaboration within Agile teams to create software for diverse mission requirements. Ideal candidates will have experience in software development, familiarity with mode ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A UK Intelligence Agency in Manchester is looking for a Software Engineer to develop innovative solutions for mission challenges. The annual salary ranges from £42,630 to £46,246 based on experience, with a one-off recruitment bonus of £2,000. The role offers flexible working arrangements, focusing on collaborat ...

Test Engineer Security & Cloud, Flexible Hours

A technology company in the UK seeks a Test Engineer responsible for ensuring the quality, reliability, and security of software platforms. The candidate will design manual and automated tests, maintain test frameworks, and contribute to risk assessments. Qualifications include programming skills in Java, Python ...

IoT Network Engineer — SD Access, DNAC & VxLAN

A leading consultancy firm is seeking an experienced IoT Solutions Engineer to create and manage IoT network infrastructures. The ideal candidate will have hands-on experience with Cisco SD Access, DNA Center, and VxLAN, alongside programming skills in C, C++, Python, or Java. Responsibilities include designing, ...

Senior Firmware Engineer: Embedded Systems & Robotics

A leading technology solutions provider in the UK is seeking a Firmware Engineer to design and deliver complex firmware systems. In this role, you will take technical ownership of projects, collaborate with cross-functional teams, and contribute to product innovation. Ideal candidates will have strong coding ski ...

Senior Firmware Engineer: Embedded Systems & Robotics

A leading technology solutions provider in the UK is seeking a Firmware Engineer to design and deliver complex firmware systems. In this role, you will take technical ownership of projects, collaborate with cross-functional teams, and contribute to product innovation. Ideal candidates will have strong coding ski ...

Software Engineer – AI & Secure Systems (On Site)

A leading tech firm in Greater London is hiring a Software Engineer to join their cutting-edge team focused on developing innovative, mission-driven technology. This role emphasizes building impactful AI-powered tools and secure systems, requiring existing SC or DV clearance. Ideal candidates are skilled in lang ...

Hybrid London: Senior Test Automation Architect

A leading IT service provider is seeking a seasoned Test Automation Engineer in London for a hybrid role, requiring 15+ years of experience with core test automation practices. The ideal candidate will have hands-on expertise in automation using Java and Python, along with a deep understanding of CI/CD processes ...

Principal Software Engineer, Margin Tech Hybrid & Impact

Citibank (Switzerland) AG is seeking a Principal Software Engineer to join its global technology team in Greater London. The role focuses on building robust technical solutions for complex business challenges, emphasizing distributed systems design and cloud services including AWS. Candidates should have strong ...

Remote Test Automation Engineer (SDET) 3 6 Month Contract

Opus Recruitment Solutions is seeking a Test Automation Engineer / SDET for a contract role starting in June. This position involves improving the quality and reliability of automated testing while working remotely with occasional travel to Newcastle. The ideal candidate should have strong automation experience, ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A UK Intelligence Agency is seeking a Software Engineer in Manchester. The role involves developing innovative software solutions in an Agile team setting, requiring a background in software development and familiarity with modern programming languages like Java and Python. The position offers a competitive sala ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A UK intelligence agency is seeking a Software Engineer to develop innovative solutions for mission challenges. The role involves collaborative Agile work, utilizing various programming languages such as JavaScript, Java, Python, and more. Applicants should have practical experience in software development and b ...

Software Engineer Defence & Cybersecurity (Security Cleared)

A leading technology firm based in the UK is seeking an experienced Software Engineer to join their expanding technology team. The role requires proficiency in various technologies such as Java, Python, and cloud services like AWS or Azure. The ideal candidate will hold a high-level security clearance and have a ...

Software Engineer – Cyber & Security Mission (Hybrid)

A UK intelligence agency is seeking a motivated Software Engineer to join their team in Manchester. You will develop innovative technologies and collaborate within a multidisciplinary Agile environment to tackle complex security challenges. Ideal candidates should have a practical experience in software developm ...

Backend Software Engineer Crypto Trading (Hybrid, London)

A leading technology firm is seeking a Software Engineer to develop backend systems for institutional crypto trading. The ideal candidate will have over 3 years of experience in software engineering, particularly with Go, Java, C++, C#, or Python. Responsibilities include maintaining services for trading and set ...

Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Senior Software Engineer, Real Time Logistics Platform

A leading logistics platform based in the UK seeks a talented engineer to design and operate scalable systems. Candidates should have strong backend skills in Java and Python, alongside experience in product-driven environments. The position involves tackling complex challenges, writing well-tested code, and men ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A government agency in the UK is looking for a Software Engineer to join their team. This role involves developing innovative solutions to complex challenges and working collaboratively with multidisciplinary teams. Candidates should have experience in a software development environment, a strong aptitude for le ...

Blockchain Software Engineer II DLT & Digital Assets

A global financial services leader is seeking a Software Engineer II in London to design, develop, and deliver blockchain applications. The role involves collaborating with experienced engineers, developing secure services using Java, Python, and TypeScript, and contributing to high-impact projects. Candidates s ...

In Store AI Real Time Full Stack Engineer

A stealth-mode AI company in Greater London is seeking a Full Stack Engineer to design and build transformative web experiences for in-store shopping. The role involves creating intuitive web interfaces and implementing real-time backend services. Candidates should have proficiency in full-stack development incl ...

Realtime AI Driven Full Stack Engineer for Retail

A forward-thinking tech startup in Greater London is seeking a Full Stack Engineer to join their innovative team. You will collaborate closely with product, design, and machine learning experts to create next-generation in-store shopping experiences. Responsibilities include designing real-time web interfaces, i ...

Software Engineer – Cyber & Security Mission (Hybrid)

A UK security agency is seeking a motivated Software Engineer to join their team in Manchester. In this role, you will work collaboratively to develop innovative solutions addressing real-world challenges. The ideal candidate will have practical experience in software development, be familiar with modern program ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A leading intelligence agency in the UK seeks a passionate Software Engineer to work on innovative solutions that address real-world mission challenges. The role involves collaboration within Agile teams, engaging with modern programming languages like Java and Python, and exploring cloud technologies. Candidate ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A national security organization in the UK is seeking a Software Engineer to develop innovative solutions addressing complex mission challenges. The role involves team collaboration within an Agile environment, focusing on continuous learning. Ideal candidates should have practical software development experienc ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A UK intelligence agency is seeking a Software Engineer to develop innovative solutions to complex challenges. The position offers opportunities for hybrid working and extensive training, including access to online learning and professional development courses. You will collaborate with multidisciplinary teams a ...

Software Engineer Mission Critical Cyber Tech

A UK intelligence agency is seeking a Software Engineer to develop innovative solutions for real-world challenges. This role involves collaboration within an Agile team to address mission needs using modern programming languages and frameworks like Java, Python, and JavaScript. Offering a salary between £42,630 ...

Mission Driven Software Engineer – Hybrid, Competitive Pay

A national intelligence agency in the UK is seeking a Software Engineer to develop cutting-edge solutions for real-world challenges. The role involves working in an Agile team with exposure to a variety of technologies, including Java, Python, and cloud services. The position offers a competitive salary between ...

Software Engineer – Mission Critical Cyber Tech (Hybrid)

A government intelligence agency is searching for a Software Engineer to develop innovative software solutions to tackle complex mission challenges. The candidate should possess practical software development experience and be comfortable with modern programming languages like Java, Python, and JavaScript. The a ...

Field Reliability Engineer: Automate & Scale Workflows

Palantir Technologies seeks a Forward Deployed Reliability Engineer for the Greater London area. In this role, you will ensure the stability of mission-critical workflows, engaging directly with operational challenges and advocating for improvements. Ideal candidates have a background in Computer Science or Engi ...

Senior Backend Engineer — REST APIs & Microservices

A leading technology company in the United Kingdom is seeking a Software Engineer to develop robust back-end services and applications. The role involves building and integrating RESTful APIs, enhancing scalable systems, and implementing CI/CD pipelines. Candidates should have strong proficiency in Java, Python, ...

Senior ML Engineer: Global LLM Systems & AI Platforms

A leading tech company in the UK is looking for a Principal Machine Learning Engineer to drive the design and production of large language models and generative AI systems globally. The role includes overseeing the full model lifecycle, establishing evaluation frameworks, and mentoring engineers. Ideal candidate ...

VP Data Engineer, Lakehouse & AI Platform

A leading financial services firm is seeking a Data Engineer to design, build, and maintain data pipelines on its modern Lakehouse and AI data platform. The ideal candidate will have a strong programming background in Python or Java, knowledge of SQL, and experience with data processing frameworks such as Apache ...

Impactful SDE I: Build Scalable Cloud Apps

Amazon is hiring a Software Development Engineer (SDE-I) in Cambridge, UK, to innovate and build solutions impacting millions of customers. The candidate should be pursuing or have completed a degree in Computer Science or related fields, expected to graduate between October 2025 - September 2026. Experience in ...

Edge Computing & ML Software Engineer — Hybrid, SC Cleared

CBSbutler Holdings Limited trading as CBSbutler is seeking a Software Engineer based in Test Valley, Hampshire. The role involves developing cutting-edge software solutions, working collaboratively to address complex challenges, and participating actively in Agile processes. Candidates should have a degree in a ...

Global Cloud SRE: Observability & Automation

A global industrial technology leader is seeking a Cloud Site Reliability Engineer in Newcastle upon Tyne to lead an OTel-first strategy and manage an observability platform. This role involves optimizing platform performance using automation and Infrastructure as Code, collaborating with engineering teams, and ...

Senior Data Platform Engineer (Trading Systems)

A leading Investment Manager in the UK is seeking an experienced Software Engineer for an initial 6-month role that could lead to permanent employment. The position involves working within a core engineering team to develop and enhance data and infrastructure platforms supporting systematic trading strategies. T ...

Lead Principal Full Stack Engineer Cloud & Incident Leader

A leading technology consultancy in Leeds is seeking an experienced Principal Full Stack Engineer to lead L2/L3 support teams and ensure high-quality service delivery. The ideal candidate should possess knowledge in Java, Python, Node.js, or C#, alongside hands-on cloud architecture experience with AWS or Azure. ...

Software Engineer DevSecOps for Secure Systems (4 Day Week)

Optamor is seeking a Software Engineer based in Gloucester to drive innovation in developing cutting edge DevSecOps software systems for various Defence, Cyber, and Intelligence programmes. The ideal candidate will be proficient in Java and have experience with Linux, along with knowledge of other programming la ...

Cloud Native Data Platform Engineer

A financial technology company in the UK is seeking a skilled engineer to design and implement cloud-native Warehouse and Machine Learning platforms. You will manage and optimize infrastructure using Kubernetes, Terraform, and integrate with AWS and GCP. The role offers a hybrid working model, 25 days of holiday ...

Secure Cloud Software Engineer (Hybrid, Clearance Eligible)

Gemba Advantage is looking for a Software Engineer in Cheltenham to contribute to secure digital products for public sector organizations. The ideal candidate should have a strong foundation in software engineering principles and experience with modern languages like Java, TypeScript, or Python. This is a hybrid ...

AI Driven Lead Software Engineer (Remote)

Scott Logic is seeking a Lead Agentic Software Engineer in Edinburgh to drive AI-augmented software development practices. You will lead a multidisciplinary team to solve complex software problems and influence client development practices. Ideal candidates should have strong technical leadership skills and a go ...

Automation Quality Engineer: CI/CD & Test Frameworks

IBM in the United Kingdom is looking for a Quality Engineer with automation experience to develop and maintain automated test suites for various testing types. This role involves designing test automation frameworks and integrating them into CI/CD pipelines to enhance software quality and delivery speed. The ide ...

Automation Quality Engineer: CI/CD & Test Frameworks

IBM is seeking a Quality Engineer in Manchester to develop automated tests and support CI/CD integration. The role involves designing test frameworks, collaborating with teams, and enhancing software delivery through automation tools. Ideal candidates will have experience with modern test automation tools, progr ...

Senior AI Governance Platform Architect

hackajob is seeking a Principal Software Engineer to join their team in Bournemouth. This role focuses on designing and building governance platforms and tools for AI/ML solutions, ensuring compliance and security. The ideal candidate will have extensive software engineering experience, proficiency in programmin ...

Cloud Software Engineer | AI & Automation Focus

A leading software firm based in Brighton is seeking a full-time Software Engineer to support clients in transitioning their operations to the cloud. The ideal candidate will have a degree in Computer or Software Engineering, strong programming skills in Python, Java, HTML, and CSS, and a passion for technology. ...

VP, Public Cloud Engineering & GenAI Solutions

A leading financial services company in Northern Ireland is seeking a Forward Deployed Engineer to join their Cloud Technology Services team. This role involves hands-on development, collaborating with cross-functional teams, and contributing to initiations focused on public cloud strategy. Candidates should hav ...

Machine Learning Engineer AI Models & Systems

A leading AI technology company in Greater London is seeking a talented Machine Learning Engineer to develop and implement cutting-edge artificial intelligence products. The role requires designing sophisticated models and refining existing systems. Ideal candidates will have a strong background in programming l ...

Staff Backend Engineer — Data Platform & Observability

A leading circular fashion marketplace in the UK is seeking a Staff Backend Engineer to drive the technical vision of their data platform. You will champion engineering excellence and mentor a team of engineers. The ideal candidate will have extensive experience with distributed systems, Apache technologies, and ...

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