Senior Java Python Engineer Jobs in UK

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Senior Platform Engineer AI Driven DevOps & Infra

A leading AI software delivery platform is seeking an experienced Infrastructure as Code Management engineer in Belfast. This role involves designing, developing, and maintaining critical software solutions while mentoring teams. Candidates should have over 7 years of experience in Java and Golang, strong analyt ...

Staff Software Engineer, Enterprise Lending Platform

A global financial technology company is seeking a Staff Software Engineer. This role will focus on architecting, designing, and implementing scalable systems for their lending platform. Candidates should have substantial experience in software engineering, leadership, and building robust APIs, preferably using ...

Senior Security Engineer: Proactive Security Platform

A leading food delivery service in London is seeking a Software Engineer to lead the design and operation of security services. You will work with cross-functional teams to build secure solutions and maintain operational excellence. Key requirements include strong knowledge in distributed systems, programming in ...

Backend Engineer, Core Technology

As a Backend Engineer on Stripe's Core Technology team, you'll build the financial infrastructure that powers the internet economy. You'll work on mission-critical payment systems, design resilient APIs, and collaborate with world-class engineers to scale Stripe's platform for millions of businesses global ...

Staff Backend Engineer, Lending Platform Scale & Impact

A leading fintech company is seeking a Staff Software Engineer to architect and implement large-scale systems for credit solutions. The ideal candidate has 6+ years of software engineering experience, with at least 2 years in a leadership role. You will design robust services and maintain high standards of techn ...

Automation Engineer Agile Testing & API Automation

A leading digital insurance provider in Leicester is seeking an Automation Engineer to join a dynamic sprint team. You will collaborate on defining acceptance criteria and ensure features meet quality standards while using tools like Jira and GitHub. The ideal candidate will possess strong coding skills in langu ...

Defence Test Automation Engineer — Career Growth

A global technology leader seeks a Quality Engineer in Hursley, UK. This role focuses on automating testing processes to ensure efficient software delivery. Candidates should possess strong knowledge in Java DevOps, experience writing test automation scripts, and familiarity with tools like Selenium and Cypress. ...

Full Stack Engineer Hybrid, Shape Core Platform, 20% Bonus

A leading fintech company based in Cardiff is seeking a Full Stack Engineer to develop shared components and architecture used across all product teams. This role offers the opportunity to influence software development practices while working on greenfield projects. Essential qualifications include strong Java ...

Software Engineer – Scale Travel Platform (In‑Person)

A growing technology company is seeking a Software Engineer to help build and scale its platform that powers travel’s growth. You will collaborate with product, design, and engineering teams to deliver high-impact features and improve system reliability and performance. The ideal candidate is experienced in Kotl ...

Quality Assurance Software Test Engineer Hybrid UK

A leading technology company in Glasgow is seeking an experienced Software Test Engineer to join their Pronto Deployment team. This role involves verifying software in an agile environment while focusing on quality improvement. Candidates must have a degree in Computing Science or equivalent, along with strong c ...

BMDS Software Engineer – Onsite (Secret Clearance)

A leading defense technology company is seeking a BMDS Software Engineer in the United Kingdom, England, Tipton. The role involves designing and implementing software for mission-critical defense systems in a collaborative Agile setting. Ideal candidates will have a STEM degree, significant experience in softwar ...

Senior Backend Engineer Cloud, AI & Distributed Systems

A global travel technology company based in Greater London is seeking a skilled Software Engineer to design and implement scalable systems. The ideal candidate has over 5 years of experience, strong fundamentals in Java or Kotlin, and expertise in cloud environments. Responsibilities include collaborating with c ...

Trading Connectivity Backend Engineer

A leading technology firm in the digital asset market is seeking a Software Engineer to join their Trading Connectivity team in London. In this role, you will design and maintain high-performance backend systems that connect with various liquidity providers. The ideal candidate has 1-3 years of experience in sof ...

Software Engineer – Scalable Analytics & Distributed Systems (Hybrid)

A tech company in financial services is seeking a Software Engineer to design and maintain their calculation framework. The role involves collaborating with engineers to develop a robust distributed calculation engine. Applicants should have proven programming skills in C#, C++, or Java, and a solid understandin ...

Software Engineer, Apollo Platform Deploy at Scale

A leading software company in Greater London is seeking a Software Engineer for its Apollo platform. This role involves building and maintaining software deployment systems at scale, engaging with customer needs, and solving complex performance issues. Applicants should have a degree in a relevant field and stro ...

Frontend Engineer React/Next.js, Hybrid Role

A pioneering space technology firm in Edinburgh is seeking an experienced Frontend Engineer to develop main user interfaces for their HELIX product suite. This role emphasizes strong React.js skills and collaboration with UX and backend teams. The candidate should have experience in developing robust frontend co ...

Lead IEC 61850 Systems Engineer for Substation Tooling

GE Vernova is looking for a Lead IEC 61850 Application Engineer in Creswell, UK. You will define requirements and enhance product features for an IEC 61850-compliant System Configuration Tool while coordinating with global engineering teams. The ideal candidate needs extensive hands-on experience with IEC 61850 ...

Vice President, Senior Backend Architect – Aladdin Platform

ENGINEERINGUK is seeking a Backend Software Engineer to drive high-performance systems on their Aladdin trading platform. The ideal candidate will have a strong foundation in Java and 8+ years of software engineering experience, focusing on building resilient and well-tested software. The position requires colla ...

Android Engineer Mobile Banking Apps (Hybrid, London)

A UK-licensed bank is seeking a skilled Android Engineer to join their dynamic Mobile team. This hybrid role involves developing and maintaining mobile banking applications to ensure a seamless and secure customer experience. Candidates should have experience in Android development using Kotlin or Java, a strong ...

Staff Backend Engineer — Remote, Impactful FinTech Systems

A leading UK bank is seeking a Staff Engineer to join their dynamic team. In this role, you will collaborate with various teams to enhance the backend of their innovative financial services. The ideal candidate will have experience with distributed systems and strong knowledge of programming languages like Go an ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Senior Backend Infra Engineer Scalable Systems

A leading software company in Greater London is searching for a Software Engineer to develop scalable and reliable infrastructure systems. You will be engaged in diverse tasks such as building a search ecosystem, contributing to open-source libraries, and crafting distributed systems. The position demands over 6 ...

Trading Systems Engineer Asset Management (AM) London

A leading financial technology firm in the Greater London area is looking for an engineer to join the AM Trading Engineering team. This role involves full stack development with a focus on Java, participation in system design and support, and collaboration with traders and portfolio managers. The ideal candidate ...

Platform Engineer, Apollo Deployment & Orchestration

A leading tech company in the UK is seeking a Software Engineer for their Apollo platform. This role involves building software at scale, collaborating closely with teams to solve complex problems, and participating throughout the product lifecycle. Ideal candidates will have experience in software engineering, ...

Staff Software Engineer: Store Operations Lead & Architect

A leading retail company in the UK is looking for a Staff Software Engineer to join their Store Operations team. You will be responsible for developing and optimizing applications that manage stock operations while providing technical leadership on projects. The ideal candidate has strong expertise in Java, clou ...

Senior Site Reliability Engineer Cloud & Automation

A leading recruitment firm is looking for a Site Reliability Engineer (SRE) in Bournemouth, England. The role requires 5 to 8 years of experience in designing and maintaining scalable systems, specifically with Kubernetes and Terraform. Candidates should have a solid understanding of Java/Spring Boot and experie ...

Senior Backend Engineer Distributed Data Platform

A leading data and AI company in London is seeking an experienced Software Engineer to enhance their Lakehouse Platform. The role focuses on building reliable and secure services for data storage and access, requiring 8+ years of experience in Java, Scala, C++, or similar. Candidates should possess a BS in Compu ...

Video Quality Analysis Engineer Real Time ML

A fast-growing UK technology company is looking for an experienced Software Development Engineer to enhance video streaming quality and technology. You will design algorithms using Java, C++, or C# and focus on machine learning and computer vision techniques to improve video quality. The ideal candidate has over ...

Software Engineer II: Build Secure, Scalable Systems

A global financial services firm in Glasgow is seeking a Software Engineer II for their Corporate Technology - Client Onboarding Team. This role involves enhancing, designing, and delivering software components in a secure and stable manner. Responsibilities include writing high-quality code, troubleshooting, an ...

Senior Backend Engineer & Tech Leader (Multi‑Team)

A financial technology company in Nottingham is looking for a Staff Software Engineer - Back End. You will shape technical strategies, lead multiple teams, and enhance engineering practices. The ideal candidate has deep expertise in Java, distributed architectures, and cloud platforms like AWS. This permanent ro ...

API Developer AI Trainer in Leeds DataAnnotation

Responsibilities You will be responsible for coming up with diverse problems and... Qualifications A bachelor1s degree (completed or in progress) is also required. Proficiency in additional programming languages/frameworks such as TypeScript, C, C#, C++, HTML/CSS, React, Go, Java, ...

Principal Engineer, FinTech Platform Architect (Hybrid UK)

A B2B Fintech company in Cardiff is seeking a Principal Engineer to lead technical direction and mentor engineers. This hybrid role involves collaborating with product teams, engaging with stakeholders, and designing robust APIs and platform functionalities. Candidates should have significant experience in large ...

Graduate Software Engineer: Real Work, Mentorship, Growth

A tech-driven insurtech company in Greater London is seeking a Graduate Software Engineer to join their product team. You will be involved in building real software from day one, collaborating with engineers and designers, and gaining mentorship and experience in a diverse tech stack including Java and React/Nex ...

Principal Engineer, FinTech Platform Architect (Hybrid UK)

A B2B Fintech company in Cardiff is seeking a Principal Engineer to lead technical direction and mentor engineers. This hybrid role involves collaborating with product teams, engaging with stakeholders, and designing robust APIs and platform functionalities. Candidates should have significant experience in large ...

Senior Software Engineer, Scale — Fintech Platform

Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

Software Engineer Media Streaming & Scalable Platforms

BBC Studios in London is seeking a Software Engineer to join their Media Services team. In this role, you will design and maintain software that powers audio and video experiences for millions. The position requires proficiency in Java and a bachelor’s degree in Computer Science. Expected salary ranges from £43, ...

Full Stack CMS Engineer for Magnolia/ContentStack

MOO is looking for a Software Engineer (Magnolia/ContentStack FullStack) to join the Browse team in London. The ideal candidate will have strong experience with CMSs and web technologies, including Java, TypeScript, and NextJS. This role emphasizes collaboration and a passion for quality, where you will contribu ...

Automation QA Engineer for Enterprise Platform

IT Global Consulting Ltd. is looking for an experienced QA & Automation Test Engineer to join their team in Slough, UK. The successful candidate will be responsible for testing, maintenance, and support of the platform while collaborating with the software design team. Key requirements include a Bachelor’s degre ...

VP, Low Latency Algo Trading Systems

Citigroup Inc. is seeking a Software Engineer to join the Equities Electronic-Execution technology team in London. You'll design and deliver next-generation low-latency execution platforms including Algorithmic Trading and Smart Order Routing. Candidates should have strong knowledge in Java, C++, or Rust, along ...

Backend Engineer Monetization & Pricing Platforms

Miro is seeking a passionate Backend Engineer for its Monetization team in Greater London. This role involves designing and maintaining backend services that support pricing and monetization, requiring over 5 years of backend engineering experience, preferably with Java or Kotlin. The candidate will work on exci ...

Principal Search Scaling Engineer — Elasticsearch Core

Elastic is looking for a Principal Software Engineer to join their Elasticsearch - Search Scaling team in London. You will lead the evolution of core search capabilities, contribute to the team’s technical vision, and mentor other engineers. The role requires deep expertise in search technologies such as Elastic ...

Web & Emerging Modalities Engineer — Full Stack Innovator

Amazon is looking for a Software Development Engineer for the Prime Video team in London. You will work on innovative customer experiences and lead projects using full-stack web technologies and AWS. Ideal candidates have experience in professional software development, proficiency in Java, C++, or C#, and are e ...

Senior Android Engineer Kotlin, Scale & Impact

A leading food delivery service in Greater London is seeking a Software Engineer to enhance their technology infrastructure. The role involves improving code structure and architecture, as well as leading projects in a collaborative environment. Ideal candidates will have over 3 years of experience in Android de ...

Software Engineer, Apollo Platform Deploy at Scale

A leading software company in Greater London is seeking a Software Engineer for its Apollo platform. This role involves building and maintaining software deployment systems at scale, engaging with customer needs, and solving complex performance issues. Applicants should have a degree in a relevant field and stro ...

Frontend Engineer React/Next.js, Hybrid Role

A pioneering space technology firm in Edinburgh is seeking an experienced Frontend Engineer to develop main user interfaces for their HELIX product suite. This role emphasizes strong React.js skills and collaboration with UX and backend teams. The candidate should have experience in developing robust frontend co ...

Graduate Software Engineer: Real Work, Mentorship, Growth

A tech-driven insurtech company in Greater London is seeking a Graduate Software Engineer to join their product team. You will be involved in building real software from day one, collaborating with engineers and designers, and gaining mentorship and experience in a diverse tech stack including Java and React/Nex ...

Data Engineering Lead (VP): Real Time Dashboards & AI

Citigroup Inc. is seeking a Data Engineer in Greater London to lead the development of scalable engineering tools and dashboards. You will work with technologies like Tableau, Java, and Oracle, focusing on data quality and governance. The role involves collaboration with project teams to ensure the successful im ...

Senior Software Engineer — FinTech Payments & Banking Integrations

A leading fintech company in Greater London is looking for a Software Engineer to drive the development of payment technologies. In this role, you'll integrate new bank APIs and work on a variety of challenges in crypto and fintech. Ideal candidates should have a strong knowledge of Java and enterprise software, ...

Senior Software Engineer, Scale — Fintech Platform

Airwallex, a global payments platform, seeks an experienced Software Engineer to join our team in Greater London. You'll design and maintain our embedded finance infrastructure, collaborate across departments, and impact how businesses use our services. We're looking for someone with 5+ years in Java/Spring Boot ...

Senior Backend Engineer — Business Pricing & Growth

hackajob is looking for an experienced Backend Engineer to join the Business Pricing team in Greater London. The successful candidate will have at least 5 years of experience in Java or Kotlin and strong knowledge of the Spring framework. In this role, you will lead a talented team, develop new features, and enh ...

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