Java Software Engineer Core Java Jobs in UK

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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 — Agentic Infrastructure

A global technology leader is seeking a Senior Software Engineer to architect agentic infrastructure that unifies fragmented domains. You will partner with Engineering Leads and Product Managers to shape automation roadmaps while ensuring that Google’s standards are met. This role requires strong experience in s ...

Lead Backend Engineer – Trading Platforms & Systems

Marks and Spencer is seeking a Software Engineer to join their team in London. You will lead software development, provide technical leadership, and mentor fellow engineers. The position demands a strong engineering background with proven experience in back-end systems, cloud technologies, and agile practices. A ...

Senior Software Engineer — Insurance Platform (Hybrid UK)

Frontline Ins UK is seeking a Senior Software Engineer in Belfast, Northern Ireland. This role involves designing, developing, and maintaining software systems for our insurance technology platforms. Ideal candidates should have over 5 years of experience in full-stack engineering with strong expertise in React, ...

Senior Software Engineer — AI, Cloud & DevOps

Sabio is seeking a Senior Software Engineer within the AI Practice to design and operate secure, scalable software solutions. This role emphasizes a DevOps mindset and involves direct interaction with customers to shape technical solutions. Candidates should have strong experience across technology stacks, speci ...

Hybrid Software Engineer — Automation & Web Tools

WEG Tech, located in Birmingham, is looking for a Software Engineer to develop web-based user tools and support internal automation systems. The successful candidate will work in a hybrid setting, collaborating with a multidisciplinary team to enhance existing software applications. Qualifications include a degr ...

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Senior Backend Engineer, Guest & Host — Europe

Airbnb in Greater London is seeking a skilled Software Engineer with expertise in backend development, particularly in Java and Kotlin. The role involves driving critical projects, mentoring junior engineers, and collaborating with cross-functional partners to optimize performance across Airbnb's platforms. Cand ...

Principal AI Governance Platform Architect

J.P. MORGAN is looking for a Principal Software Engineer in Greater London to lead AI Governance Engineering efforts. The role involves designing and building governance platforms, developing reusable services, and ensuring compliance across AI/ML delivery lifecycles. Candidates should have strong software engin ...

Senior AI Driven Backend Engineer Cloud & Big Data

A leading financial technology company in the United Kingdom is seeking a Sr. Software Development Engineer to join their Alternative Assets Engineering team. The ideal candidate has over 6 years of experience programming in Java and a strong background in financial markets. Responsibilities include developing s ...

AI Driven Backend Engineer – FinTech & Scale

A leading technology platform in the United Kingdom is seeking a Software Development Engineer to develop high-quality software solutions for investment analysis. Ideal candidates will have 4+ years of Java programming experience, strong problem-solving skills, and familiarity with financial markets. The role fo ...

VP, Full Stack Engineering – Lead Scalable, Secure Systems

A leading financial services firm is seeking a Vice President, Full Stack Engineer to lead high-impact engineering teams in London. This role requires proven leadership in software engineering, deep Java expertise, and strong DevOps practices. The ideal candidate will own the end-to-end delivery of critical soft ...

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 ...

Principal Software Engineer, Retail Tech & Pricing

A leading digital retail company in Liverpool is looking for a Principal Software Engineer. In this hands-on role, you'll design and run software solutions, lead teams, and foster best practices. Ideal candidates will have extensive Java and AWS experience, mentoring skills, and a passion for high-quality engine ...

Hybrid AI Software Engineer — Manchester, Production AI

Vanguard is seeking an AI Software Engineer in Manchester to design and maintain AI services and platforms for European teams. Ideal candidates should have 3-6 years of software engineering experience, strong programming skills in languages such as Java or Python, and hands-on experience with AI and machine lear ...

Senior Real Time Distributed Cloud Data Engineer

Zeta Global, based in London, is looking for a Senior Software Engineer to provide technical leadership in architecting and developing the Addressability part of the Zeta Marketing Platform. The role includes collaborating with teams to shape the roadmap for a state-of-the-art multichannel marketing solution. Ke ...

eDV Cleared Software Engineer Lead Backend & Cloud

iO Associates is looking for a Software Engineer to join their team in Manchester, Gloucestershire, or London. The ideal candidate will have strong skills in Backend development using Java (Spring Boot, Maven) or Python, alongside experience in DevOps practices including CI/CD pipelines and AWS environments. Thi ...

Senior Platform Engineer: AI Driven SDLC & Cloud Ops

A diversified trading firm is seeking a skilled Software Engineer to design and maintain build/release/run tooling for development teams. Candidates should have six or more years of experience in software engineering and proficiency in GitHub Actions and at least one programming language such as Python, Go, Java ...

Senior Software Engineer Hybrid, Tech Leader

A leading defense technology company in Bristol is seeking a Senior Software Engineer to develop innovative software solutions. In this role, you will leverage your expertise in programming languages like C#, C++, or Java, and work closely with cross-functional teams. You will be responsible for maintaining codi ...

Senior Software Engineer, Lending Platform

A leading fintech company in the UK seeks a Senior Software Engineer to architect and implement robust systems for a new lending platform. The successful candidate will design secure APIs and lead engineering teams to provide seamless credit solutions for enterprise clients. Required qualifications include 5+ ye ...

Senior Software Engineer – Scalable Real Time Data Systems

A data solutions company based in Manchester is seeking a Senior Software Engineer to enhance their data processing capabilities. The successful candidate will have over 6 years of experience in software development, strong coding skills in Java and Python, and experience with big data technologies. This role of ...

Senior Backend Engineer for Scalable Data & AI Systems

A data-driven software company in Greater London is seeking a Backend Software Engineer to lead the architecture and development of scalable backend services. The role involves building robust APIs, collaborating with other engineers, and optimizing performance. Candidates should have 6+ years of experience in b ...

Manufacturing IT/OT Software Engineer — On Site, PLCs & Cloud

A leading technology firm in Darlington, County Durham is looking for a talented Manufacturing IT/OT Software Engineer. The role involves designing, developing, and implementing software solutions for cloud-based systems, alongside project management and collaboration across teams. Candidates should have a Bache ...

Lead Backend Engineer Cloud Native Microservices

A major global banking institution is seeking a Lead Software Engineer to develop cloud-native applications in a collaborative environment. The ideal candidate will possess strong Java programming skills and experience with cloud technologies, particularly AWS. Responsibilities include delivering end-to-end solu ...

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 ...

Senior Backend & Platform Engineer, Cloud Infra

A leading technology company in London is seeking a Senior Software Engineer to design and build backend services that power its systems. In this hybrid role, you will collaborate with teams to develop production-grade services, maintain CI/CD systems, and manage AWS infrastructure. Candidates should have strong ...

Senior Real Time Distributed Cloud Data Engineer

Zeta Global, based in London, is looking for a Senior Software Engineer to provide technical leadership in architecting and developing the Addressability part of the Zeta Marketing Platform. The role includes collaborating with teams to shape the roadmap for a state-of-the-art multichannel marketing solution. Ke ...

Senior Software Engineer — AI, Cloud & DevOps

Sabio is seeking a Senior Software Engineer within the AI Practice to design and operate secure, scalable software solutions. This role emphasizes a DevOps mindset and involves direct interaction with customers to shape technical solutions. Candidates should have strong experience across technology stacks, speci ...

Hybrid AI Software Engineer — Manchester, Production AI

Vanguard is seeking an AI Software Engineer in Manchester to design and maintain AI services and platforms for European teams. Ideal candidates should have 3-6 years of software engineering experience, strong programming skills in languages such as Java or Python, and hands-on experience with AI and machine lear ...

Senior Software Engineer — Insurance Platform (Hybrid UK)

Frontline Ins UK is seeking a Senior Software Engineer in Belfast, Northern Ireland. This role involves designing, developing, and maintaining software systems for our insurance technology platforms. Ideal candidates should have over 5 years of experience in full-stack engineering with strong expertise in React, ...

Lead Backend Engineer Cloud Native Microservices

A major global banking institution is seeking a Lead Software Engineer to develop cloud-native applications in a collaborative environment. The ideal candidate will possess strong Java programming skills and experience with cloud technologies, particularly AWS. Responsibilities include delivering end-to-end solu ...

Senior Ads Analytics Engineer API, Spark & Airflow

Roku is seeking a highly skilled Senior Software Engineer in Cambridge, England, to lead API Development and Big Data pipelines. With a strong emphasis on software and data engineering, the role involves designing, building, and maintaining scalable systems. Candidates should have 8+ years of experience, experti ...

Senior Real Time Payments Fintech Engineer

Shoptalk is seeking a Senior Software Development Engineer to join their Basildon team. You will design, develop, and maintain software applications, working with cross-functional teams in a fast-paced financial services environment. Ideal candidates have strong backend skills in Java 11+, experience with cloud ...

Software Engineer Generative AI for Shopping UX

Amazon is seeking a talented Software Development Engineer to develop innovative features for the Rufus AI shopping assistant. The role demands a strong technical background, along with experience in programming languages like Java, C++, or C#. The team values customer obsession and innovation in delivering s ...

Staff Software Engineer Commercial Trading & Systems

Marks and Spencer is looking for a Software Engineer to join their dynamic team in Greater London. This role focuses on developing robust backend systems, leading technical projects, and mentoring junior engineers. Ideal candidates possess expertise in Java and cloud infrastructure, paired with a passion for qua ...

Remote SDET & Quality Automation Architect

Br Dge in Edinburgh is seeking a Senior Software Development Engineer in Test (SDET) to enhance engineering-led quality across the organization. This role enables high-quality software delivery by embedding within development teams and advocating for testability and observability. Successful candidates ...

Senior Software Engineer AEM Web Experience (Cloud)

Nuffield Health is seeking a Senior Software Engineer to join their team in City of Westminster, England. This role involves full-stack development of user-facing digital services, particularly focusing on Adobe Experience Manager (AEM). Responsibilities include ensuring software quality, supporting digital solu ...

Senior Ads Analytics Engineer API, Spark & Airflow

Roku is seeking a highly skilled Senior Software Engineer in Cambridge, England, to lead API Development and Big Data pipelines. With a strong emphasis on software and data engineering, the role involves designing, building, and maintaining scalable systems. Candidates should have 8+ years of experience, experti ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia in London is seeking a Principal Software Engineer to provide technical leadership in modern software systems. The role involves collaboration with delivery managers and engineers to enhance engineering standards and practices. Candidates should have substantial experience in Domain Driven Design and micr ...

Lead AI Engineer Production ML for Workday

Kainos in Derry/Londonderry is looking for a Lead AI Engineer to join their team. In this role, you will bridge the gap between data science and software engineering, focusing on deploying AI and machine learning solutions that enhance Workday products. The ideal candidate has extensive experience in s ...

Senior Software Engineer Hybrid, Tech Leader

A leading defense technology company in Bristol is seeking a Senior Software Engineer to develop innovative software solutions. In this role, you will leverage your expertise in programming languages like C#, C++, or Java, and work closely with cross-functional teams. You will be responsible for maintaining codi ...

Senior Software Engineer – Scalable Real Time Data Systems

A data solutions company based in Manchester is seeking a Senior Software Engineer to enhance their data processing capabilities. The successful candidate will have over 6 years of experience in software development, strong coding skills in Java and Python, and experience with big data technologies. This role of ...

Senior Backend Engineer, Guest & Host — Europe

Airbnb in Greater London is seeking a skilled Software Engineer with expertise in backend development, particularly in Java and Kotlin. The role involves driving critical projects, mentoring junior engineers, and collaborating with cross-functional partners to optimize performance across Airbnb's platforms. Cand ...

Senior Cloud QA Engineer — Automation & Testing Lead

Tatton Recruitment is seeking a Senior Software Engineer in Test for a temporary contract in Lydgate, UK, initially until March 2027. You will develop and test bespoke cloud-native applications, utilize tools like SonarQube, and implement automation strategies. The role requires strong programming skills in Java ...

Senior Software Engineer AEM Web Experience (Cloud)

Nuffield Health is seeking a Senior Software Engineer to join their team in City of Westminster, England. This role involves full-stack development of user-facing digital services, particularly focusing on Adobe Experience Manager (AEM). Responsibilities include ensuring software quality, supporting digital solu ...

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Senior Software Engineer, Lending Platform

A leading fintech company in the UK seeks a Senior Software Engineer to architect and implement robust systems for a new lending platform. The successful candidate will design secure APIs and lead engineering teams to provide seamless credit solutions for enterprise clients. Required qualifications include 5+ ye ...

Remote SDET & Quality Automation Architect

Br Dge in Edinburgh is seeking a Senior Software Development Engineer in Test (SDET) to enhance engineering-led quality across the organization. This role enables high-quality software delivery by embedding within development teams and advocating for testability and observability. Successful candidates ...

Senior Cloud QA Engineer — Automation & Testing Lead

Tatton Recruitment is seeking a Senior Software Engineer in Test for a temporary contract in Lydgate, UK, initially until March 2027. You will develop and test bespoke cloud-native applications, utilize tools like SonarQube, and implement automation strategies. The role requires strong programming skills in Java ...

Cloud CV SDE: AI Powered Global Vision Services

Amazon is looking for a Software Development Engineer to join a dynamic team in Cambridge, England. This role involves designing and building secure, high-performance cloud services for Ring's consumer electronics products. Candidates should have a strong software development background, with proficiency in lang ...

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    Java Software Engineer Core Java Jobs in United Kingdom Job Search Guide, Trends and Insights