76 to 100 of 818 Permanent Java Engineer Jobs

Software Engineer – Java/Back EndHybrid – 2 days per week in the officeJava, PostgreSQL, APIWe are looking for an experienced Back End Developer with excellent Java, PostgreSQL and API skills due to software development moving from an outsourced model to in-house. Working alongside the development team … highly involved with knowledge transfer, including code walkthroughs, pairing sessions, and documentation reviews with the outgoing external team. Gain understanding of the current Java application architecture – service boundaries, dependency injection patterns, build system, and deployment configuration. Design and implement new back-end features, enhancements, and bug fixes in Java ...

Senior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale … reporting control issues with transparency. Key Skills and Experience required Additional Job Description Experience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks ...

Senior Java DeveloperBusiness Unit: FTSE Russell – Index PlatformCompany: London Stock Exchange Group (LSEG)About UsLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect … place where everyone can grow, develop and fulfil your potential with meaningful careers.About the RoleWe are seeking a highly skilled and hands-on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE ...

Senior Java DeveloperBusiness Unit: FTSE Russell – Index PlatformCompany: London Stock Exchange Group (LSEG)About UsLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect … where everyone can grow, develop and fulfil your potential with meaningful careers. About the RoleWe are seeking a highly skilled and hands-on Senior Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE ...

Vacancy detailSenior Java Engineer50,000-70,000 GBPPension, BenefitsHybrid WORKINGLocation: Birmingham, West Midlands – United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: Birmingham/Hybrid WorkingSalary: 50,000 - 70,000 + Benefits PackageAbout the RoleWe're working with a leading global consultancy seeking an experienced Senior Java Engineer … architecture and complex payment processing solutions. What You'll Be DoingDeveloping and enhancing large-scale payment processing solutions. Building cloud-native applications using modern Java technologies and microservices architectures. Working closely with architects, engineers and stakeholders to deliver high-quality solutions. Supporting the design and implementation of scalable, resilient ...

Vacancy detailSenior Java Engineer50,000-70,000 GBPPension, BenefitsHybrid WORKINGLocation: Bristol, South West – United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: Bristol/Hybrid WorkingSalary: 50,000 - 70,000 + Benefits PackageAbout the RoleWe're working with a leading global consultancy seeking an experienced Senior Java Engineer … architecture and complex payment processing solutions. What You'll Be DoingDeveloping and enhancing large-scale payment processing solutions. Building cloud-native applications using modern Java technologies and microservices architectures. Working closely with architects, engineers and stakeholders to deliver high-quality solutions. Supporting the design and implementation of scalable, resilient ...

Vacancy detailSenior Java Engineer55,000-75,000 GBPPension, BenefitsHybrid WORKINGLocation: Manchester, North West – United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: Manchester/Hybrid WorkingSalary: 50,000 - 70,000 + Benefits PackageAbout the RoleWe're working with a leading global consultancy seeking an experienced Senior Java Engineer … architecture and complex payment processing solutions. What You'll Be DoingDeveloping and enhancing large-scale payment processing solutions. Building cloud-native applications using modern Java technologies and microservices architectures. Working closely with architects, engineers and stakeholders to deliver high-quality solutions. Supporting the design and implementation of scalable, resilient ...

Full Stack Engineer | Java, Spring Boot and Angular Experience: 10+ years Employment Type: Full-time Work Mode: On-site, based on project requirements Notice Period: Immediate joiners preferred Job Summary We are looking for an experienced Full Stack Engineer with strong expertise in Java, Spring Boot … equivalent education and professional experience. Minimum 10 years of software development experience with strong full stack application development exposure. Strong hands-on experience in Java-based backend development. Excellent proficiency in Spring Boot, Spring MVC and Spring Security . Strong experience in Angular and TypeScript , including the development ...

Vacancy detailSenior Java Engineer55,000-75,000 GBPPension, BenefitsHybrid WORKINGLocation: Central London, Greater London – United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: London/Hybrid WorkingSalary: 55,000 - 75,000 + Benefits PackageAbout the RoleWe're working with a leading global consultancy seeking an experienced Senior Java Engineer … architecture and complex payment processing solutions. What You'll Be DoingDeveloping and enhancing large-scale payment processing solutions. Building cloud-native applications using modern Java technologies and microservices architectures. Working closely with architects, engineers and stakeholders to deliver high-quality solutions. Supporting the design and implementation of scalable, resilient ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses … escalating, managing and reporting control issues with transparency.Key Skills and Experience requiredAdditional Job DescriptionExperience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPISolid frontend experience with modern JavaScript frameworks (React ...

Principal Backend Engineer/Developer (Java Spring Boot AWS) London/WFH to 120kAre you an experienced Java Software Engineer who enjoys taking technical ownership, leading projects and working directly with clients You could be progressing your career at a global technology consultancy, working on complex … long-term transformation projects, primarily within the financial services sector.As a Principal Backend Engineer, you'll lead the design and delivery of high impact technology projects, helping clients modernise legacy systems, migrate to AWS and introduce modern CI/CD and cloud deployment practices. You'll combine hands ...

Vacancy detailSenior Java Engineer50,000-70,000 GBPPension, BenefitsHybrid WORKINGLocation: Newcastle Upon Tyne, North East – United Kingdom Type: PermanentSenior Java EngineerPayments TechnologyLocation: Newcastle/Hybrid WorkingSalary: 50,000 - 70,000 + Benefits PackageAbout the RoleWe're working with a leading global consultancy seeking an experienced Senior Java Engineer to join a growing payments technology team delivering large-scale transformation programmes across the financial services sector. This is an opportunity to work on business-critical payment platforms, helping major organisations modernise their technology landscape through cloud-native engineering, modern architecture and complex payment processing solutions. What ...

Software Engineer (Java)Onsite in Abingdon 3 days a weekOverviewWe are looking for an experienced Software Engineer with a strong background in Java and desktop application development. This role is ideal for someone with excellent software engineering fundamentals, a solid understanding of computer science principles … with distributed engineering teams across multiple locationsContinuously improve engineering practices and contribute ideas to enhance software quality and team performanceRequired Skills & ExperienceStrong hands-on Java development experience within complex desktop applicationsExcellent understanding of object-oriented programming principles and software designStrong computer science fundamentals including algorithms, data structures and software ...

Principal Backend Engineer/Developer (Java Spring Boot AWS) London/WFH to £120k Are you an experienced Java Software Engineer who enjoys taking technical ownership, leading projects and working directly with clients? You could be progressing your career at a global technology consultancy, working … complex, long-term transformation projects, primarily within the financial services sector. As a Principal Backend Engineer, you'll lead the design and delivery of high impact technology projects, helping clients modernise legacy systems, migrate to AWS and introduce modern CI/CD and cloud deployment practices. You'll combine ...

Senior Software Engineer - Java, Cloud and AI London, UK (5 days Onsite) As a Senior Software Engineer in Enterprise Platforms, you will be part of an agile team building and evolving platform services, integrations, and data-enabled solutions that support enterprise communication data and regulatory controls. … technical troubleshooting, with the ability to think beyond routine or conventional approaches to build durable solutions and break down complex technical problems using Java, Spring, and Spring Boot Creates secure and high-quality production code for microservices and REST APIs, and maintains synchronous and asynchronous processing components that integrate ...

Senior Full Stack Engineer (Java & React)Location: London, United Kingdom or Glasgow, Scotland (Hybrid)Help Build the Future of global STEM workforce solutionsWe're reimagining how organisations connect talent, technology, and opportunity.Our team is building the next-generation AI digital platform, automation, cloud-native architecture, and modern engineering … practices. This platform is designed to transform workforce engagement at scale through intelligent workflows, seamless integrations, and data-driven experiences.As a Senior Full Stack Engineer, you'll play a critical role in designing and delivering products that directly influence customer experience, business growth, and the future direction ...

Principal Software Engineer/Developer (Java Spring Boot AWS) London/WFH to 120kAre you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills You could be progressing your career at a global technology consultancy.As a Principal Software Engineer … client sites), you'll join a friendly, diverse, upbeat team.About you:You have experience within a financial services or Fintech environmentYou have strong Java development skills including multi-threading and concurrencyYou have experience with Spring Boot and microservices environmentsYou have a good knowledge of REST APIsYou have a good ...

those who display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking a Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to develop … technical skills. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies ...

Principal Java Engineer - Backend Platform Salary: £76,340 - £100,340 Per Annum Contract: Full-Time, Permanent Location: Hybrid - minimum 2 days per week in office, Basingstoke/London/Bristol About the Role The Principal Software Engineer (Full-Stack, Backend-leaning) is a senior engineer responsible … technical leadership of the wider engineering team, given the seniority of this role. Skills and Experience Strong backend engineering background with production experience in Java (required). Demonstrated experience building low-latency, high-throughput systems - this is a core requirement, not a nice-to-have. Working knowledge ...

Principal Java Engineer - Backend Platform Salary: £76,340 - £100,340 Per Annum Contract: Full-Time, Permanent Location: Hybrid - minimum 2 days per week in office, Basingstoke/London/Bristol About the Role The Principal Software Engineer (Full-Stack, Backend-leaning) is a senior engineer responsible … technical leadership of the wider engineering team, given the seniority of this role. Skills and Experience Strong backend engineering background with production experience in Java (required). Demonstrated experience building low-latency, high-throughput systems - this is a core requirement, not a nice-to-have. Working knowledge ...

Principal Java Engineer - Backend Platform Salary: £76,340 - £100,340 Per Annum Contract: Full-Time, Permanent Location: Hybrid - minimum 2 days per week in office, Basingstoke/London/Bristol About the Role The Principal Software Engineer (Full-Stack, Backend-leaning) is a senior engineer responsible … technical leadership of the wider engineering team, given the seniority of this role. Skills and Experience Strong backend engineering background with production experience in Java (required). Demonstrated experience building low-latency, high-throughput systems - this is a core requirement, not a nice-to-have. Working knowledge ...

their needs, and translating them into effective outcomes. You understand and align with Solirius Reply Values The Role: We are seeking a highly skilled Java Engineer with AI expertise to design, develop, and deploy intelligent, scalable applications. You will work at the intersection of backend engineering and artificial … passionate about clean architecture, performance optimization, and applying AI technologies to real-world business challenges. Requirements Key Responsibilities Design, develop, and maintain high-performance Java-based applications Integrate AI/ML models into production-grade backend systems Build RESTful APIs and microservices using modern Java frameworks Collaborate with ...

Software Engineer (Java/Python) National Security Location: Gloucester| Hybrid £40,000 £60,000 + Bonus + Security Clearance Allowance We're looking for Software Engineers to join a growing National Security team based in Gloucester. You'll work on cutting-edge, mission-critical projects, developing secure software … within some of the UK's most sensitive environments. Key Responsibilities Design, develop and maintain high-quality software solutions Develop back-end applications using Java or Python Work with cloud technologies Write clean, secure and well-tested code Collaborate within Agile development teams Participate in code reviews and technical ...

Java Software Engineer - Liverpool 1dpw - up to £70,000 Exalto consulting are currently recruiting for a permanent java software engineer, this is to work for a fantastic organisation, paying up to £70,000 basic salary depending on experience and benefits, looking for someone willing … will also gain opportunity to upskill to new technologies (react native, azure and sharepoint) Essential skills and experience Strong backend development experience using Java and Spring, including working with large or mature codebases. Experience deploying and managing Java applications on Apache Tomcat and/or IBM WebSphere application ...

Senior Software Engineer - Java, Cloud and AI London, UK (5 days Onsite) As a Senior Software Engineer in Enterprise Platforms, you will be part of an agile team building and evolving platform services, integrations, and data-enabled solutions that support enterprise communication data and regulatory controls click ...