Java Full Stack Engineer Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers … Continuously evaluate and adopt emerging technologies to improve team velocity and product impact. Basic Qualifications 7+ years of hands-on software development experience in Java (11–21) or Python . Deep expertise in backend technologies: SQL/NoSQL databases , Elasticsearch , MongoDB , Spring Boot , REST/GraphQL APIs , and ORM More ❯
Job Title: Java Software Engineer II Location: Richardson, Texas Employment Type: Contractor or Contract to Hire Company Overview: We are dedicated to solving tough, meaningful problems that create a safer, more secure world. Our team brings renowned engineering expertise to meet the needs of today's mission and … stay ahead of tomorrow's threat. Job Description: We are hiring a Java Software Engineer II to support our teams in Richardson, Texas. You will have the opportunity to directly impact the world around you and contribute to technologies you are passionate about. In this role, you will … use your solid foundation in Java and experience working in a Linux environment to comprehend customer needs and translate those needs into viable design solutions. Responsibilities: Utilize your understanding of software principles, theories, and concepts related to software engineering, including the software development lifecycle, design patterns, and Object-Oriented More ❯
Join our dynamic Technology team as an AVP - Java Fullstack Engineer at Barclays Business Banking . Be involved in shaping the future of financial crime prevention through the "Integrated financial crime program," a multiyear initiative aimed at strengthening compliance, streamlining client interactions, and driving operational efficiency with cutting … edge technology. The ideal candidate is an experienced Java Fullstack Engineer with a passion for transitioning into architecture and applying technical expertise to strategic system design. Key Qualifications: Experience in full-stack development, building dynamic, responsive, and reusable components Experience with Enterprise Case Management applications, backend builds in … Java or C++ Knowledge of Kafka or other message brokers Proficiency in developing RESTful APIs and microservices with Java Spring Boot, and a strong understanding of Spring Framework Strong knowledge of state management (e.g., Redux, Context API) and React hooks, with experience integrating frontend and backend services Valued More ❯
About the Role As a Java Senior Software Engineer working on our backend team, you will be contributing to our Kotlin and Java backend applications and systems development on our suite of IT Software products. Working in a team where Product, Engineering and QA join to build … mission critical software systems that support our worldwide operations. We hire the best software engineers with experience in our stack: NinjaOne is built on Java , Kotlin , C++ , and Postgres , supporting millions of user endpoints and running as a scalable cloud service in AWS . Location- London, United Kingdom or … in Technical or Engineering field of study or equivalent work experience Knowledge of functional and object-oriented programming design concepts 7+ years of professional Java software development in highly scalable systems and applications Experience working with Kotlin 5+ years of REST service development using Spring framework Working experience with More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
team is comprised of talented individuals who are committed to pushing boundaries and delivering excellence. As they continue to expand, they are seeking a Java Software Engineer to join our dynamic team. Role Overview: As a Java Software Engineer, you will have the opportunity to work … on exciting projects and collaborate with experienced developers. You will play a key role in designing, developing, and maintaining scalable software solutions using Java, Scala, AWS, and the Spring framework. Key Responsibilities: Develop high-quality software applications using Java, Scala, and Spring framework. Collaborate with cross-functional teams … and industry trends to continuously improve skills and solutions. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field. Proficiency in Java programming language and experience with JVM-based frameworks such as Spring. Familiarity with Scala programming language and its ecosystem. Basic understanding of cloud computing More ❯
Opportunity Guide and support junior and mid-level developers, fostering a culture of growth and innovation. Design and develop high-quality, scalable applications using Java (Spring, Java EE) and cloud-native technologies. Work closely with cross-functional teams to deliver seamless software solutions. Utilise AI, Blockchain, DevOps, and … pages, ensuring smooth and intuitive user experiences. Build, maintain, and fine-tune applications for optimal performance in cloud environments. About You Strong experience in Java development, particularly with Spring and Java EE frameworks. Expertise in working with SQL/NoSQL databases and designing scalable data solutions. Solid understanding More ❯
Freelance Senior Software Engineer (Java/Kotlin) Location : Netherlands (Hybrid) Type : Freelance Start : ASAP For our client, a market leader in e-Commerce, we are urgently looking for hands-on Senior Backend Engineers to deliver scalable, high-performance solutions in a cloud-native microservices environment. This is a … expertise and autonomy from day one. Key Responsibilities: Build and optimize scalable, resilient microservices in a distributed system Write clean, testable, and production-ready Java/Kotlin code Collaborate across engineering, product, and design to refine technical solutions Embrace a DevOps culture : own what you build, monitor and improve … services Tech Stack: Languages : Java, Kotlin Architecture : Microservices, event-driven Cloud : AWS/GCP/Azure (flexible), Kubernetes, Docker CI/CD : GitHub, Jenkins, Terraform, etc. Testing : JUnit, TestContainers, MockK Ideal Background: 5+ years backend engineering experience in complex systems Strong knowledge of system design, clean code, and testing More ❯
Freelance Senior Software Engineer (Java/Kotlin) Location : Netherlands (Hybrid) Type : Freelance Start : ASAP For our client, a market leader in e-Commerce, we are urgently looking for hands-on Senior Backend Engineers to deliver scalable, high-performance solutions in a cloud-native microservices environment. This is a … expertise and autonomy from day one. Key Responsibilities: Build and optimize scalable, resilient microservices in a distributed system Write clean, testable, and production-ready Java/Kotlin code Collaborate across engineering, product, and design to refine technical solutions Embrace a DevOps culture : own what you build, monitor and improve … services Tech Stack: Languages : Java, Kotlin Architecture : Microservices, event-driven Cloud : AWS/GCP/Azure (flexible), Kubernetes, Docker CI/CD : GitHub, Jenkins, Terraform, etc. Testing : JUnit, TestContainers, MockK Ideal Background: 5+ years backend engineering experience in complex systems Strong knowledge of system design, clean code, and testing More ❯
Senior Java Software Engineer DO NOT APPLY UNLESS YOU ARE LOCATED IN KANSAS CITY Overland Park, KS On-site Salary: $130-175k depending on skill set 7+ years of backend java programming experience Must be located in the Kansas City region This client is a real … Ensure that application software is sufficiently tested and verified Requirements Bachelor's Degree in Computer Science preferred 7+ years demonstrating a working knowledge of Java, Spring MVC framework, and JavaScript Understand and be able to use the MySQL, MongoDB, or Redis database applications Is able to function as part … adjust to changing priorities as needed Dependable and able to execute with a strong attention to detail Other Technical Aspects Linux/Ubuntu AngularJS Java Spring MVC Spring Boot Spring Data Spring Integrations More ❯
Birmingham, West Midlands, West Midlands (County), United Kingdom
Randstad Technologies Recruitment
Java Full Stack Engineer Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? My client is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. They have been meeting … have: Bachelors or higher in Computer Science (or equivalent work experience) Minimum 2 years of application development engineering experience Programming and software development in Java Experience building transactional systems and strong understanding of software architecture Strong written and verbal communication skills Good attention to detail and analytical thinking Ability More ❯
Java Developer – GLoucester | Permanent | On-Site | 4-day Flex Working Defence, Cyber & Intelligence Programmes | Competitive Benefits About the Opportunity A leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national … Work within Agile Scrum teams and contribute to continuous improvement initiatives Mentor and support junior engineers where appropriate Essential Skills and Experience Proficient in Java (latest versions) and Python Strong development experience on Linux platforms Knowledge of unit testing and mocking frameworks, particularly JUnit 5.x (Jupiter) Familiar with Git More ❯
JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯
JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯
Job Title: Software Engineer - Full stack Java & React Location: Glasgow Short Description Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team. Job Overview This is a unique opportunity to accelerate your career while contributing to impactful … technology solutions that drive innovation. As a Software Engineer III within the Employee Platform space, you will be a key contributor on an agile team, delivering secure, scalable, and high-performing applications. You will be responsible for developing solutions across multiple technical domains, supporting strategic business goals. Key Responsibilities … as cloud, AI/ML, or mobile platforms Frontend experience with React or Angular, TypeScript, CSS, JavaScript, and Micro Frontend frameworks Backend expertise in Java, Spring Framework, Kafka, and NoSQL databases (e.g., MongoDB, Cassandra) Preferred Qualifications Exposure to cloud technologies and services Experience designing and developing microservices-based architecture More ❯
Job Title: Software Engineer - Full stack Java & React Location: Glasgow Short Description Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team. Job Overview This is a unique opportunity to accelerate your career while contributing to impactful … technology solutions that drive innovation. As a Software Engineer III within the Employee Platform space, you will be a key contributor on an agile team, delivering secure, scalable, and high-performing applications. You will be responsible for developing solutions across multiple technical domains, supporting strategic business goals. Key Responsibilities … as cloud, AI/ML, or mobile platforms Frontend experience with React or Angular, TypeScript, CSS, JavaScript, and Micro Frontend frameworks Backend expertise in Java, Spring Framework, Kafka, and NoSQL databases (e.g., MongoDB, Cassandra) Preferred Qualifications Exposure to cloud technologies and services Experience designing and developing microservices-based architecture More ❯
Java Developer Leatherhead – 3 days per week UK based FinTech company in Leatherhead are recruiting for a Java Developer to join their team. This role will help develop, test and maintain existing products and help modernise legacy systems into a newer microservices architecture. You'll work alongside experienced … developers and internal stakeholders to deliver high-quality software that meets business objectives. Key responsibilities will include: Develop and maintain Java-based applications, APIs, and backend services. Collaborate with cross-functional teams to analyse requirements and deliver features. Participate in code reviews and contribute to continuous code quality improvement. … resolve software defects and production issues. Write clean, maintainable, and well-documented code. Optimise application performance and scalability. Stay up-to-date with emerging Java technologies and best practices. The successful candidate will have a minimum of 5 years’ hands on experience in Java 8+ development. You will More ❯
Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Xcede
Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯
Java Fullstack Developer Hybrid Remote Working Up to £55k DOE Digital Consultancy Client Are you ready to take your Full stack Development career to the next level? A leading and rapidly growing digital consultancy is seeking passionate Java Full Stack Developers to join their dynamic team. This is … at a pivotal moment, as the company embarks on a number of long-term projects with high-profile clients across multiple industries. As a Java Full stack Developer, you’ll be at the forefront of ground breaking projects that will allow you to sharpen your skills, explore new technologies … career horizons, this is the ideal environment to grow and thrive. What You’ll Bring: Eligibility for security clearance is essential Proven experience in Java Development, particularly with Spring Boot Proficiency in JavaScript/TypeScript (with React being a plus) Hands-on experience with GIT and CI/CD More ❯
London, England, United Kingdom Hybrid / WFH Options
Stealth iT Consulting
Java Fullstack Developer Hybrid Remote Working Up to £55k DOE Digital Consultancy Client Are you ready to take your Full stack Development career to the next level? A leading and rapidly growing digital consultancy is seeking passionate Java Full Stack Developers to join their dynamic team. This is … at a pivotal moment, as the company embarks on a number of long-term projects with high-profile clients across multiple industries. As a Java Full stack Developer, you’ll be at the forefront of ground breaking projects that will allow you to sharpen your skills, explore new technologies … career horizons, this is the ideal environment to grow and thrive. What You’ll Bring: Eligibility for security clearance is essential Proven experience in Java Development, particularly with Spring Boot Proficiency in JavaScript/TypeScript (with React being a plus) Hands-on experience with GIT and CI/CD More ❯
SOFTWARE ENGINEER – PERMANENT – WINFRITH Nr Dorchester in Dorset I seek a Java Software Engineer to work on a permanent basis within the Commercial Marine & Marine Defence sectors. Solid UML Object Orientated design skills are essential for this role. UML modelling to derive/decompose software requirements and … produce software architectural designs such as Use cases, domain model, class diagrams, sequence diagrams. The ideal candidate will be versed in Java/JavaFX and come from a highly regulated industry background. Knowledge of DEF STAN 00-56 & IEC 61508 or equivalent is a distinct advantage. ESSENTIAL SKILLS Java … or JavaFX NetBeans or other IDE. UML or Enterprise Architect for design pattern modelling. OOA/OOD ADDITIONAL SECURITY INFORMATION: I SEEK A SOFTWARE ENGINEER WHO HAS WORKED IN A MILITARY/DEFENCE ENVIRONMENT/INDUSTRY WITHIN THE LAST 12 MONTHS OR WHO IS CAPABLE OF OBTAINING SECURITY CLEARANCE More ❯
Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯
Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯
Social network you want to login/join with: Java Software Engineer, portsmouth, hampshire col-narrow-left Client: Amber Labs Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … Java Software Engineer (Must hold active SC) Location: Remote The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration More ❯
Senior Java Developers - Java/Vert.x/Webflux We are looking for 2 x Java Developers with strong Vert.x/Webflux to work on a multi-year project. Stack - Java, AWS, TDD, Vert.x/Webflux. 2 days a week in London 6 month rolling contract More ❯