1,026 to 1,050 of 6,769 kotlin,java Jobs in the UK

Lead Java/C# Engineer - Contract outside IR35 A leading financial services firm based in London is seeking a Lead Java/C# Engineer on a contract basis to drive forward the delivery of a high-performance, cloud-native platform built around event sourcing principles. About the Role: As the Lead Engineer, you’ll be hands-on while … play a pivotal role in the design and delivery of scalable, resilient applications leveraging modern cloud technologies and distributed architectures. Key Responsibilities: Lead the design, development, and deployment of Java and C# services. Architect event-driven systems with a strong focus on event sourcing and CQRS. Implement scalable solutions using cloud platforms (AWS, Azure, or GCP). Collaborate closely … Mentor junior engineers and promote best practices in engineering and DevOps. Required Skills: Proven experience as a Lead Engineer in enterprise-level systems. Strong hands-on development experience in Java and C#/.NET. Deep understanding of event sourcing, CQRS, and distributed system patterns. Experience with cloud-native architectures (preferably Azure but AWS & GCP also fine). Solid knowledge More ❯

ServiceNow Technical Lead - ServiceNow/Java/Python/C#/AWS - Insurance - London, City Our client, a leading specialty insurer based in the City of London, require a ServiceNow Technical Lead (AVP level) to join their team to drive the design, development and implementation of cutting-edge technology solutions to support their dynamic business. ESSENTIAL SKILLS & EXPERIENCE: 8+years … modules like incident, request, change, maintenance window, SLAs, and email notifications; Knowledge of Scripting business rules, UI Policies, Client Scripts, ACLs, Workflow Activities, and automation; Expertise in programming languages (Java, Python, C#) and frameworks (.NET, React, Angular); Strong understanding of cloud platforms (AWS, Azure) and microservices architecture; In-depth knowledge of IT governance, cybersecurity, and compliance standards; Hands-on … services is a preferred; and Bachelor's degree in Computer Science, Information Technology, or a related field (Master's degree preferred). Key skills: ServiceNow, ITSM, SecOps, DevOps, Agile, Java, Python, C#, AWS, Azure, Insurance, Technical Lead, Senior Developer, Technical Team Leader, AVP, London. More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer , you will … in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties: Develop high-quality, performant, and reliable Java applications. Guide and mentor developers, including offshore teams and contractors. Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead … performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience: 4+ years of experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Strong DevOps knowledge, particularly with Ansible More ❯

Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time … or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time More ❯

Java Developer L ocation - London Clearance Required: UK*C DV/EDV About the Role: We are seeking a skilled Java Developer to join our growing team supporting projects in the Defence and National Security sector. You will work on mission-critical systems that support national safety, intelligence, and operational capabilities. This role demands a combination of strong … technical skills and an understanding of working within secure, regulated environments. Key Responsibilities: Design, develop, and maintain Java-based applications for secure systems. Participate in the full software development lifecycle: requirements gathering, analysis, design, development, testing, and deployment. Collaborate with cross-functional teams including system architects, cybersecurity specialists, and data analysts. Ensure code quality, security compliance, and performance through … processes. Support integration with existing defence systems and third-party tools. Write and maintain documentation in line with secure software engineering practices. Required Qualifications and Skills: Proven experience in Java (SE/EE) development (typically 3+ years). Strong understanding of object-oriented programming and design patterns. Familiarity with agile methodologies Proficiency in tools such as Maven, Jenkins, Git More ❯

EU work permit required: Yes col-narrow-right Job Reference: 57258d4c4254 Job Views: 3 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on … or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular … London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong Full Stack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs and real-time More ❯

Social network you want to login/join with: Lead Java Software Engineer – Systematic Hedge Fund, London Client: Winston Fox Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 Job Description: Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations, and Corporate Functions. Software is mainly written in Java, but the team also works with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux, and CI/CD, as well as integrating with various SaaS products, such as HRMS. You … Buy Side and/or Electronic Trading, gained in FinTech, Investment Banks, Investment Managers, Market Venues, or Trading firms. Experience in line management, coaching, or team leadership. Strong core Java development skills with the ability to communicate effectively with technical and non-technical audiences. Experience with Python or MATLAB, and cloud/container technologies like AWS, Docker, and Kubernetes More ❯

Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge, sought to Co-Lead a team of 12 for a Multi-Award-Winning $5BN+ AUM Systematic Hedge Fund. My client is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with an enviably low … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. … This could have been gained in a FinTech, Investment Bank, Investment Manager, Market Venue, or Trading firm. Experience line managing, coaching or leading teams. Strong development skills in core Java with the ability to work collaboratively and communicate clearly and concisely with both technical and non-technical audiences. Experience in Python or MATLAB, and cloud and container technologies such More ❯

Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge, sought to Co-Lead a team of 12 for a Multi-Award-Winning $5BN+ AUM Systematic Hedge Fund. My client is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with an enviably low … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. … This could have been gained in a FinTech, Investment Bank, Investment Manager, Market Venue, or Trading firm. Experience line managing, coaching or leading teams. Strong development skills in core Java with the ability to work collaboratively and communicate clearly and concisely with both technical and non-technical audiences. Experience in Python or MATLAB, and cloud and container technologies such More ❯

Lead Java Software Engineer – Systematic Hedge Fund Lead Java Software Engineer – Systematic Hedge Fund Get AI-powered advice on this job and more exclusive features. This range is provided by Winston Fox. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster … from Winston Fox Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge, sought to Co-Lead a team of 12 for a Multi-Award-Winning $5BN+ AUM Systematic Hedge Fund. My client is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. More ❯

Social network you want to login/join with: Lead Java Software Engineer – Systematic Hedge Fund, slough col-narrow-left Client: Winston Fox Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Lead Java Software Engineer with around … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. … This could have been gained in a FinTech, Investment Bank, Investment Manager, Market Venue, or Trading firm. Experience line managing, coaching or leading teams. Strong development skills in core Java with the ability to work collaboratively and communicate clearly and concisely with both technical and non-technical audiences. Experience in Python or MATLAB, and cloud and container technologies such More ❯

Senior Java Developer Company Profile: Morgan Stanley is a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth management services. The Firm's employees serve clients worldwide including corporations, governments and individuals from more than 1,200 offices in 43 countries. As a market leader, the talent and passion of our … a place for people to learn, to achieve and grow. A philosophy that balances personal lifestyles, perspectives and needs is an important part of our culture. Existing Tech Stack: '?' Java '?' Python '?' HTML 5, CSS3, Angular '?' Git, Teamcity, Jenkins, Stash '?' Utilisation of the latest Firm technologies including Treadmill PaaS, Splunk-based LaaS and Service Discovery Role Profile: '?' You will be … a proficient Java developer, who will be hands on, in a delivery focused role. '?' You will have strong communications skills to build a strong relationship with business stakeholders including sales, trading and quants. '?' You will be a proactive member of an agile development team, focusing on efficient application delivery to meet business KPI's. '?' You will encourage innovation and More ❯

Social network you want to login/join with: Senior Software Engineer – Java Backend, slough col-narrow-left Client: TechHeads Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: London (5 days onsite, with some ad-hoc flexibility) TechHeads is currently … seeking a Senior Software Engineer with strong Java backend experience, DevOps awareness, and proven technical leadership capabilities to join our Client’s London team. This is a high-impact role involving the design, development, and deployment of backend services that power our client’s security platform. You’ll work on systems at significant scale, leading both engineering efforts and … mentoring team members, while collaborating with globally distributed teams in the US, Ireland and India. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot , REST/GraphQL , Kafka , PostgreSQL , and RabbitMQ . Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes , CI/CD pipelines , and legacy system migrations. Innovate across the stack More ❯

working with our financial services client on modernising their trading platform using React, Microservices, AWS technical stack while maintaining the current trading platform. Hence the need for a senior Java developer who has worked on applications that are built using AWS SaaS/PaaS platforms following Microservices architecture. This is an opportunity for an enthusiastic software engineer to join … new functionality and maintain the client’s trading platform. Initiatives include product enhancements and new workflows for trading, and server-side programming and messaging. Perform the above duties utilizing Java, AWS, PostgreSQL, Spring Boot, Gradle, Redis. Improve the scale and performance of the growing system. Coordinate with business analysts and quality assurance daily. Present technical designs of work performed … and scalability testing to support high throughput, moderate latency, high availability systems. Experience including analysis, design, coding and implementation of large-scale custom-built object-oriented applications. Excellent Core Java skills, Non-relational databases. Experience with a container-based event-driven microservices architecture using ECS, Spring Boot, and REST API. Good to have AWS services – ElastiCache, Kafka, Kinesis, Lambdas More ❯

What we’re looking for: We are a collaborative and forward-thinking team focused on building high-performance applications. We’re now seeking a passionate and driven Junior-Mid Java Developer to join our team and help deliver top-tier software solutions. What you’ll do: Design, develop, and implement Java-based applications with a focus on scalability … in code reviews and maintain a high standard of quality and best practices. Create and maintain technical documentation for applications and processes. Stay up-to-date with the latest Java technologies, frameworks, and best practices. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Solid proficiency in Java and … related technologies (e.g., Java SE/EE). Experience with frameworks such as Spring and Spring Boot. Basic understanding of databases and SQL (e.g., MySQL, PostgreSQL). Familiarity with version control tools, particularly Git. Experience with RESTful APIs and web services. Understanding of Agile development methodologies. Knowledge of DevOps principles and CI/CD pipelines. The ideal candidate will More ❯

UK. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Senior Full Stack Developer/Software Engineer (Java JavaScript React) London to £80k Well established trading brokerage is seeking a Senior Full Stack Developer as they expand into UK markets. As a Senior Full Stack Developer, you … across the full development lifecycle and will quickly see the impact of your work, developing high quality, scalable and secure trading applications, working across the full tech stack from Java on the backend through to JavaScript/TypeScript, React and React Native front end work. Location/WFH: You'll join a team of finance entrepreneurs and technologists in … basis. About You You are an experienced Software Developer with a strong knowledge of best practice and the full software development lifecycle You have full stack development experience including Java, JavaScript and/or TypeScript and React and/or React Native You also have experience with Spring Boot, SQL/NoSQL databases and REST APIs You are degree More ❯

Senior Java Analyst Developer/Technical Consultant £800 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in … required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket More ❯

Senior Java Analyst Developer/Technical Consultant £800 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in … required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket More ❯

the Fortune Global 500, with our deep business and industry knowledge, digital operations services, and expertise in data, technology, and AI. Inviting applications for the role of Lead Consultant, Java In this role, you will be responsible for coding, testing and delivering high quality deliverables, and should be willing to learn new technologies. Responsibilities Excellent knowledge about J2EE frameworks … to ensure smooth delivery of projects in Agile Model. Should have experience of design, development and conduct code reviews Willingness and ability to learn new Platforms/solutions having Java as core basis Qualifications we seek in you! Minimum Qualifications BE/B Tech/MCA Excellent written and verbal communication skills Preferred Qualifications/Skills Work experience primarily … with building enterprise server-side applications using Java/J2EE Technologies Excellent knowledge on rest Springboot and microservices. Excellent Core Java, Spring and Hibernate programming skills Hands on knowledge of working on Multithreaded application (Must-have) Excellent Design skills (Design Patterns) Hands-on experience Java/J2EE, Spring, ORM/Hibernate, Web services - RESTful, Webserver (Apache Tomcat More ❯

and defence. This role will require 1-2 days per week onsite in Milton Keynes, with the remainder remote. Responsibilities:* Design, build and test complex full-stack applications using Java and React* Develop secure software solutions, integrating open-source and proprietary technologies* Contribute to API design and system architecture for private cloud and air-gapped environments* Work closely with … in both internal and client environments* Produce well-documented, testable code and maintain strong configuration control What we're looking for:* Strong experience in back-end development, ideally with Java and/or Python* Front-end development experience using JavaScript and React* Good knowledge of relational databases and both Linux and Microsoft environments* Familiarity with secure DevOps principles and … re passionate about building secure, mission-critical software and want to work on high-impact public sector projects, we would love to hear from you. Keywords:Full Stack Developer, Java Developer, React Developer, SC Clearance, Public Sector IT, Secure Software, DevOps, Docker, API Design, Cloud Engineering, Defence Software, Agile Developer, Software Engineer Milton Keynes, Security Cleared Developer, Government Projects More ❯

React Java Full Stack Developer (Manchester, UK) Hybrid: 2-3 days work from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you … us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking a talented React Java FullStack Developer to join our team at Capgemini Financial Services. In this role, you will be responsible for developing and maintaining both front-end and back-end components of … libraries for future use Your Profile Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience with standard DevOps tools: Jira, Bitbucket, Nexus, Confluence, SonarQube, Veracode, GitLab More ❯

maintaining and enhancing the reliability, performance, and scalability of our platform. You will be responsible for addressing defect fixes, implementing small changes, and contributing to ongoing enhancements of our Java-based microservices stack. Key Responsibilities: Collaborate with cross-functional teams to identify, diagnose, and resolve defects in our platform. Implement small changes and enhancements to improve system functionality and … performance. Contribute to the design, development, and deployment of microservices in a Java environment. Monitor system performance and reliability, proactively addressing potential issues. Develop and maintain automation tools to streamline operational processes. Participate in on-call rotations to ensure 24/7 system availability and rapid incident response. Document system architecture, processes, and procedures to ensure knowledge sharing and … analysis and implementing best practices. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience. Proven experience as a software developer. Strong proficiency in Java programming and microservices architecture. Experience with AWS and containerization technologies (e.g., Docker, Kubernetes). Familiarity with CI/CD pipelines and version control systems (e.g., Git). Excellent problem More ❯

the latest technologies to achieve regulatory compliance. Responsibilities and Qualifications: Bachelor’s degree in relevant field (e.g. Computer Science) Minimum of 7 years of experience in designing and developing Java-based applications using industry-standard technologies As a VP Senior Java Engineer in Regulatory engineering, you will design and implement reports and controls on the new trade reporting … platform supporting all global regulatory initiatives Take ownership of delivery of the regulatory initiatives across the full software development lifecycle Design, develop and maintain Java-based applications Good understanding of Spring Expect to be heavily hands-on coding daily Familiar with debugging and performance tuning along with a good understanding of installing, maintaining, and monitoring complex Java applications More ❯

Solution Architect - Java, AWS, AI/ML Salary - £100,000 + 10% Bonus + Benefits Location - London, Remote (once a month) We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few years and support an expanding international client base, this role … between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from design to deployment. Skills Experience with Microservice Architecture (Docker, Kubernetes, Helm, Spring Boot, Java, Python) Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM Experience working with Kafka for event-driven and streaming architectures Hands-on experience More ❯

Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: London (5 days onsite, with some ad-hoc flexibility) TechHeads is currently seeking a Senior Software Engineer with strong Java backend experience, DevOps awareness, and proven technical leadership capabilities to join our Client’s London team. This is a high-impact role involving the design, development, and deployment of backend … systems at significant scale, leading both engineering efforts and mentoring team members, while collaborating with globally distributed teams in the US, Ireland and India. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot , REST/GraphQL , Kafka , PostgreSQL , and RabbitMQ . Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes , CI/CD … resilient APIs (REST/GraphQL) and optimise the full software development lifecycle through automation. Requirements: 7–10+ years of professional experience in software engineering, with a strong focus on Java backend development . Solid understanding of Spring Boot , Kafka , RabbitMQ , PostgreSQL , and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes , Git More ❯