476 to 500 of 3,394 kotlin,java Jobs in the UK

Description We are looking for highly skilled and experienced Senior MLOps Engineer to join our team. This role will be involved in designing, implementing, and maintaining robust and scalable machine learning pipelines. This person will possess a strong background in More ❯

Software Engineer - Birmingham Birmingham - Hybrid Salary up to £60,000 per annum Software Engineer required for a leading client based in the West Midlands. My client is currently seeking a Software Engineer to come on board to develop back-end More ❯

Java Developer - Data Structure - Sybase - SQL - JMS - Equities - Investment Banking - Glasgow About The Role A core Server Side Java developer is required for a Tier 1 investment bank supporting the Equity Swaps business. This is a global Front Office team that writes the software supporting a leading provider of the Equity Swap product. This role will be within … its related components that is are the heart of the product suite. Primary responsibilities: The developer will work within an agile squad developing within a system comprising of numerous Java services that interact via messaging to produce the product outputs in Real Time. Technologies and techniques such as highly multi-threaded Java, Sharded Mongo DB and caching are … used in the stack to provide the scale and performance that the product requires. Skills: - Core Server Side Java including Data Structures and Concurrency - Spring, Junit - Linux - Relational Databases (Sybase and/or DB2 is preferable) with ability to write SQL queries - Understanding of message-based architectures - Good Problem solving and analytical skills - Full SDLC experience and understanding - Excellent More ❯

of robust systems that generate and manage automated documentation workflows for banks. While the broader tech stack includes Node.js, JavaScript, and various database technologies, this role focuses primarily on Java and backend architecture, especially for candidates without deep JavaScript experience. Key Responsibilities Develop, maintain, and scale backend services in Java Support and eventually contribute to Node.js components (with … and contribute to a high-quality engineering culture Engage with banking-focused client requirements in a structured, agile environment Key Skills and Experience 4–7 years' professional experience in Java development Solid understanding of Java frameworks (Spring Boot, Hibernate) Practical knowledge of database systems (e.g., PostgreSQL, MySQL, MongoDB) Strong grasp of software engineering fundamentals and clean coding practices More ❯

of robust systems that generate and manage automated documentation workflows for banks. While the broader tech stack includes Node.js, JavaScript, and various database technologies, this role focuses primarily on Java and backend architecture, especially for candidates without deep JavaScript experience. Key Responsibilities Develop, maintain, and scale backend services in Java Support and eventually contribute to Node.js components (with … and contribute to a high-quality engineering culture Engage with banking-focused client requirements in a structured, agile environment Key Skills and Experience 4–7 years' professional experience in Java development Solid understanding of Java frameworks (Spring Boot, Hibernate) Practical knowledge of database systems (e.g., PostgreSQL, MySQL, MongoDB) Strong grasp of software engineering fundamentals and clean coding practices More ❯

Job Title: Senior Java Developer Location: Hybrid Contract Length: 6 months Day Rate: £550 per day Industry: Global eCommerce About the Role I am seeking a Senior Java Developer contractor to join a global eCommerce business. As a Senior Java Developer, you will play a key role in building scalable backend systems that support millions of users … working in a fast-paced, agile environment, collaborating with cross-functional teams to deliver high-quality software that directly impacts customer experience. Key Responsibilities Design, develop, and maintain scalable Java-based backend systems Collaborate with product owners, architects, and fellow engineers to deliver new features and improve system performance Write clean, maintainable, and testable code, following best practices Participate … Contribute to architectural decisions and technical design discussions Integrate with third-party APIs, payment gateways, and microservices Ensure the reliability, uptime, and performance of production systems Tech Stack Languages: Java, Spring Boot Architecture: Microservices, REST APIs, Event-driven architecture Databases: Cockroach DB Cloud: AWS (EC2, Lambda, S3, ECS), Docker, Kubernetes CI/CD: Jenkins, GitLab CI/CD, Terraform More ❯

Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech. This organisation specialises in providing high performance technology solutions … capabilities. As a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, Spring Boot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability, resiliency and scalability. … with a heavy focus on Pair Programming and TDD, so are looking for people from similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/Spring Boot Experience developing distributed, real-time applications (with Akka AND/ More ❯

Java Full Stack Developer - Northampton/Hybrid - £200 - £240 Per Day Inside IR35 Eames Consulting is working with a Banking company to secure the services of a Java Full Stack Developer on an initial 3 month contract basis to begin with. Essential Skills: 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, Maven, NPM, etc. Experience with test driven development and CI/CD, including exposure to automated testing platforms (e.g., Cucumber, Selenium More ❯

Java Developer Hybrid Working - Edinburgh or London High Street Banking Lorien's leading banking client is looking for an experienced Java Developer with strong experience in Java17, Spring Boot and Hibernate to join the expanding team on an initial 6month contract. This role is based in Edinburgh or London. This role will be Inside IR35 Via Umbrella Working … in a Hybrid Model of 2 days a week on site . Key Skills and Experiences Extensive hands-on experience with Java 17 + Proficiency working with applications based on microservices architecture. Spring boot and Hibernate Experience with Apache Kafka Strong knowledge with Relational and Non-Relational Databases Hands on experience working with event driven architecture and real time More ❯

Role: Contract Senior Java Engineer Location: London (Hybrid | 3 days onsite initially) Contract Length: 6-Month Contract | Inside IR35 | £600–£700/day We’re looking for an experienced Senior Java Engineer to join our consultancy delivery team, supporting a flagship project with one of the UK’s leading digital banks . You’ll be embedded directly into … releasing multiple times per day is the norm. This is a hands-on engineering role with the opportunity to work on cutting-edge systems from day one. Tech Stack: Java 21 Spring Boot Kubernetes , AWS Grafana , GitHub Event-driven architecture, microservices CI/CD & rapid delivery tooling What You’ll Be Doing: Build scalable and secure microservices using Java … maintain production-grade reliability Work onsite 3 days/week in London for the first 4–6 weeks (hybrid flexibility beyond this) We’re Looking For: 5+ years of Java engineering experience (Java 11+; ideally Java 21) Strong background with Spring Boot , microservices, and cloud-native design Hands-on with Docker, Kubernetes , AWS , and containerised deployments CI More ❯

Role: Contract Senior Java Engineer Location: London (Hybrid | 3 days onsite initially) Contract Length: 6-Month Contract | Inside IR35 | £600–£700/day We’re looking for an experienced Senior Java Engineer to join our consultancy delivery team, supporting a flagship project with one of the UK’s leading digital banks . You’ll be embedded directly into … releasing multiple times per day is the norm. This is a hands-on engineering role with the opportunity to work on cutting-edge systems from day one. Tech Stack: Java 21 Spring Boot Kubernetes , AWS Grafana , GitHub Event-driven architecture, microservices CI/CD & rapid delivery tooling What You’ll Be Doing: Build scalable and secure microservices using Java … maintain production-grade reliability Work onsite 3 days/week in London for the first 4–6 weeks (hybrid flexibility beyond this) We’re Looking For: 5+ years of Java engineering experience (Java 11+; ideally Java 21) Strong background with Spring Boot , microservices, and cloud-native design Hands-on with Docker, Kubernetes , AWS , and containerised deployments CI More ❯

We at Qualient Technology Solutions are looking for a Java Full Stack Developer based in United Kingdom. Role Title: Java Full Stack Developer Role Location: Reading, UK Role Type: Permanent (Hybrid) Job Description:- Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience More ❯

MERITUS Talent are working with one the most well known aerospace conglomerates globally, for the recruitment of a Java Developer to join their Defence & Space team into their Portsmouth office. The role is for an initial 6-12 month assignment, paying £55 per hour via umbrella, and ideally looking for the right person to hold an active SC clearance. … Contract Java Developer - Microservices/Agile £55 per hour (Inside IR35) 6 months+ | Portsmouth A leading organisation in the aerospace and space systems sector is looking for an experienced Java Developer to join a 7-person Scrum team. The project involves building management systems for a new satellite programme. You'll be contributing across the full software development … architectural design (UML) Support CI/CD processes and automated testing frameworks Write clean, maintainable, and well-documented code Work closely with internal and external stakeholders Essential Skills & Experience Java (version 8+) Spring Boot and Spring Framework (inc. Hibernate) RESTful APIs over HTTPS Microservices and distributed systems Agile development (Scrum) CI/CD pipelines Git and Jira (or similar More ❯

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 ❯

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 ❯

Job Description: Java Developer. The role requires in-depth understanding of the software development lifecycle and strong technical experience with an open-minded attitude and ability to rapidly adapt and learn. Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services 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 ❯

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 ❯

Senior Software Engineer – Java Backend London (5 days onsite, with some ad-hoc flexibility) £85,000 – £120,000 (Permanent) 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 … 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 ❯

Senior Software Engineer – Java Backend London (5 days onsite, with some ad-hoc flexibility) £85,000 – £120,000 (Permanent) 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 … 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 ❯

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 ❯