676 to 700 of 8,406 kotlin,java Jobs in the UK

with your recruiter to learn more. Base pay range Max rate: 408/day Inside Ir35 GBP Location: Glasgow Duration: End of December 2025 IR35 status A core Senior Java developer is required for a Tier 1 investment bank supporting the Equity Swap business. This is a global front-office technology team that builds and supports the platform enabling … the system to support exponential growth in business event processing and data volumes. Core skills will be working in a complex real-time Linux-based environment with multi-threaded Java and good working knowledge of an RDBMS. Some experience of technologies such as MongoDB, Kafka, IBM MQ, Snowflake or other leading edge high performant data and caching technologies would … continue to encourage good DevOps practices and look for the team to take opportunities to enhance our automated processes as well as providing good documentation for features. Skills Required: Java Server Side Concurrent Programming with Spring Boot (Core Spring), Junit Understanding of message-based architectures (MQ/Kafka) RDBMS Sybase and/or DB2 is preferable, with a proficiency More ❯

Hyrbid - 1 day per week in office A leading SaaS organisation is looking for a Senior Java Developer to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus on high-performance search capabilities and large-scale data processing. This is a fantastic opportunity to work on impactful … technology in a forward-thinking, data-driven environment. Your Role As a Senior Java Developer, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with engineers, designers, and product teams to deliver scalable, performant solutions that help end users derive real value from complex data. Key Responsibilities … Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data Engineers to design and deliver data pipelines Leverage cloud platforms (AWS, Azure, or GCP) for scalable and More ❯

Waracle are looking for a Senior Java Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create … to operations. This is a Hybrid role working from either our London, Dundee or Glasgow offices 2 days a week. We are seeking a highly skilled and motivated Senior Java Developer to join our growing team. This is an exciting opportunity for a seasoned professional who not only excels in core Java development but also possesses a genuine … interest and ideally some hands-on experience in Artificial Intelligence (AI) development. You will be instrumental in designing, developing, and deploying robust, scalable, and high-performance Java-based solutions for our diverse client base, with the potential to contribute to and lead AI-driven initiatives. Key Duties and Responsibilities Lead the design and development of complex, scalable Java More ❯

us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Job Description Strong experience with back-end technology: Java, Spring Boot, JPA, Hibernate, Junit, Mockito, microservices Java Server Side Concurrent Programming with Spring Boot (Core Spring), Junit Understanding of message-based architectures (MQ/Kafka) Experience with More ❯

Software Engineer III - Full Stack Java/Kafta Join to apply for the Software Engineer III - Full Stack Java/Kafta role at JPMorganChase Software Engineer III - Full Stack Java/Kafta 1 week ago Be among the first 25 applicants Join to apply for the Software Engineer III - Full Stack Java/Kafta role at … the team culture of diversity, equity, inclusion, and respect Required Qualifications, Capabilities, And Skills Formal training or certification on software engineering concepts and advanced applied experience Practical expertise in Java Spring/Spring Boot . Experience building RESTful APIs and (micro)services with frameworks like Spring Boot. Hands-on practical experience delivering distributed complex system design, application development, testing … Glasgow, Scotland, United Kingdom 4 weeks ago Software Engineer - Solutions Engineering Glasgow, Scotland, United Kingdom 1 month ago Glasgow, Scotland, United Kingdom 2 weeks ago Full Stack Software Engineer - Java & React Glasgow, Scotland, United Kingdom 2 weeks ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of More ❯

microservices as part of an agile development team Migrate existing services to microservices to reduce complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers to develop functional test cases Develop deployment systems for Java-based applications Collaborate with product owners on user story generation and refinement Monitor and … support the operation of production systems Participate in knowledge sharing activities with colleagues Engage in pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes: Good communication skills Problem-solving ability More ❯

Role: Senior Java Engineer Location: Remote (UK) Job Type: Full-time, Permanent Salary: Competitive, based on experience + benefits + bonus potential About Us Come and be a part of The Investigo Group (TIG ), a dynamic coalition of cutting-edge tech firms specialising in Platform, Software, Data, AI and other bleeding-edge technology solutions. Our innovative prowess spans the … more efficient world. About You: You're an experienced backend engineer who thrives in collaborative environments and enjoys solving complex technical problems. You're confident in your skills with Java and bring solid experience with microservices, messaging systems, and scalable architecture. You've likely worked in fast-paced environments and know how to strike the balance between delivery speed … to work across a diverse stack, apply modern thinking, and help shape the direction of a fast-growing product and team. About The Role: We're hiring a Senior Java Engineer to join our Collaboraite team, building the next generation of secure, high-performance, and scalable data analytics platforms. This is a hands-on engineering role with real scope More ❯

to safely deploy applications to the production environment. Required qualifications, capabilities, and skills : Formal training or certification on leadership and code review concepts and proficient applied experience Extensive core Java (version 11 or higher) development experience with Spring-boot or similar frameworks Experience in developing cloud-native applications with demonstrated implementation of Restful Microservices, containers, resilient and scalable platforms … Oracle database technologies - SQL Experience in building high throughput messaging platforms using Kafka/AMPS technology Prior experience with distributed cache such as Gemfire, REDIS, gridgain Prior experience with java code instrumentation, implementing monitoring & capturing application metrics Expertise in application, data, and infrastructure architecture disciplines Good understanding of data structures, algorithms & multi-threaded programming Preferred qualifications, capabilities, and skills More ❯

the backend architecture and technical direction of back-end services for our SaaS B2B platform, ensuring scalability, performance and security Microservices: lead the design and maintenance of microservices using Java 21 and Spring Boot, ensuring best practices in modularity, resilience and maintainability Cloud & Infrastructure: play a crucial role in our cloud infrastructure with Kubernetes (K8s) on AWS, leveraging Docker … technical leadership and mentorship to engineers, building a culture of excellence, innovation and continuous learning Qualifications 10+ years of experience in back-end development, with a strong focus on Java (preferably Java 21) and Spring Boot Proven experience in designing and developing microservices-based architectures Hands-on experience with AWS services , including EC2, and a strong understanding of … and problem-solving skills with a focus on delivering scalable solutions Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders Technologies Back-end: Java 21, Spring (Boot 3+/Cloud/Data/REST), Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, k8s, Cognito, S3) Front-end: TypeScript More ❯

Manchester – Hybrid. Overview As a Full Stack Developer you will be instrumental in designing, developing and maintaining front-end and back-end of complex microservices architecture. Your expertise in Java Microservice development, NoSQL databases and Angular will play a pivotal role in ensuring the scalability, performance and robustness of the next generation loans processing application. You’ll Make An … In The Following Ways Collaborate closely with cross-functional team, including product owner, business analysts, scrum masters, front-end and back-end developers Design, develop and implement microservices using Java Spring Boot, ensuring code is modular, testable and re-usable Design, develop and implement responsive and intuitive user interfaces using Angular and TypeScript/Java ensuring an exceptional … code reviews, unit testing, CI and maintain high code quality and reliability To be successful, we’re seeking interest in the follow areas: Strong expertise in Core/Advanced Java and OOP Proficiency in front-end technologies: Angular, TypeScript, HTML, CSS, JavaScript Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, Spring Data or similar frameworks More ❯

a forward-thinking Senior Software Architect to lead the design of intelligent automation solutions in a high-impact enterprise environment. This role combines hands-on development across multiple languages (Java, C#, Python, Rust), system design, and technical leadership with exploration of next-generation AI development utilizing GitHub CoPilot, Agentic AI platforms, and other AI tools. You will define architectural … microservices in event-driven, distributed computing systems Review and refine engineering designs to ensure maintainability, scalability, and performance Contribute directly to the codebase, developing key components in multiple languages (Java, C#, Python, Rust) Leverage CoPilot, GPT-based tools, and Agentic platforms to accelerate development and improve SDLC processes Build custom AI agents and tools for automated code generation, testing … Qualifications: Master's degree in Computer Science, Software Engineering, or related field 8+ years of software engineering experience, with 3+ years in architectural or staff engineering role Expert-level Java proficiency and modern development practices (CI/CD, microservices, REST/gRPC) Mid-level proficiency in C#, Python, or Rust Deep understanding of distributed systems, message queues (Kafka, RabbitMQ More ❯

that drive exceptional user experiences and support business growth. This role sits within a forward-thinking technology team focused on customer-centric platforms, working with modern tools including React, Java, Golang, TypeScript, and AWS. Key Responsibilities: Collaborate with cross-functional teams to deliver innovative, customer-focused applications. Lead the end-to-end development of robust, scalable, and secure systems. … best practices, and technical leadership. Drive innovation by staying up-to-date with emerging technologies and industry trends. What Youll Bring: Expertise in one or more modern programming languages: Java (Spring Boot), TypeScript (React/Angular), Golang , or Python . Strong analytical and problem-solving abilities with a knack for simplifying complex technical challenges. A proactive mindset with a More ❯

of expertise to join the team. As with most service teams, there will eventually be a periodic on call rotation as part of this role. Our developer kitchen includes: Java, REST, Docker, Kubernetes, μservice, Grafana and much more. The Position Principal Software Engineer (IC4) As a Principal Software Engineer, you will already be a world-class engineer with top … well as security and work comfortably in a collaborative, agile environment. Responsibilities As an IC4 your responsibilities could include, but not be limited to: Design and develop software in Java, Python, and other languages. Participate in the entire software lifecycle – development, testing, CI/CD and production operations Apply engineering principles for defining robust and maintainable architectures and designs. … or equivalent. 6-10+ years ofdeveloping and shipping distributed enterpriseand/or cloud native systems, or similar technically complex projects. Demonstrable ability to write great code in modern Java (17+), Python, or similar OO languagesExperience leading teams, coaching & mentoring junior engineers. Strong grasp of system design fundamentals and distributed systems architectural best practices Experience building microservices and RESTful More ❯

of interviewing at Fitch Ratings by 2x Get notified about new Senior Software Engineer jobs in London, England, United Kingdom . London, England, United Kingdom 1 month ago Senior Java Engineer - Take Ownership of Flagship Trading Product - Up to £120k Lead Software Engineer, Legal & Compliance London, England, United Kingdom 1 week ago VP/SVP/ED Lead Java … Control London, England, United Kingdom 5 days ago City Of London, England, United Kingdom £100,000.00-£140,000.00 6 hours ago London, England, United Kingdom 3 weeks ago Senior Java Analyst Developer/Technical Consultant London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago Lead Software Engineer - Electronic Trading (Vice President) City Of London … week ago Software engineering technical lead manager (EMEA) London, England, United Kingdom 1 month ago London, England, United Kingdom 2 months ago Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP London, England, United Kingdom 4 days ago Software Engineering Lead (Flutter) - Catalyst Greater London, England, United Kingdom 2 months ago London, England, United Kingdom 5 days ago London More ❯

software solutions for both internal and external stakeholders across global financial and commodities markets. This is an ideal position for an experienced engineer with strong proficiency in C# or Java, a passion for quality and testing, and a desire to be part of a modern, forward-thinking development culture. The Opportunity As a Senior Engineer, you will join a … risks and blockers early to minimise delivery delays. Essential Skills & Experience: Degree in Computer Science or relevant industry experience. Proven software development experience with C# .NET and/or Java . Solid understanding of secure coding practices and API architecture . Strong focus on software testing and quality assurance . Experience with git-based source control and CI/ More ❯

to help hoteliers thrive. Although we work hard and operate at “Duetto speed,” the work atmosphere is casual, flexible, collaborative, and, most of all, fun. Our technology stack includes Java server technologies , React, TypeScript, GraphQL, and patent-pending analytical methods on top of MongoDB and AWS. What You Will Be Doing: As a Lead Software Engineer at Duetto, you … direction and delivering high-quality software at scale in a collaborative, agile environment. Familiarity with GraphQL and its implementation in modern web applications. Extensive experience with scalable server-side Java and design of mission-critical enterprise applications. Advanced experience with CI/CD pipelines, test automation, and modern development practices. Strong advocate for continuous improvement in engineering processes. Familiarity More ❯

architecture, Docker/Kubernetes, and microservices. Proficiency with Git, CI/CD, and modern DevOps practices is essential. Bonus if you have experience with PostgreSQL, Redis, GraphQL, Python, or Java, and familiarity with monitoring tools like Prometheus or Nagios. Strong problem-solving, communication, and collaboration skills are key To find out more about Computer Futures please visit www.computerfutures.com Computer More ❯

architecture, Docker/Kubernetes, and microservices. Proficiency with Git, CI/CD, and modern DevOps practices is essential. Bonus if you have experience with PostgreSQL, Redis, GraphQL, Python, or Java, and familiarity with monitoring tools like Prometheus or Nagios. Strong problem-solving, communication, and collaboration skills are key To find out more about Computer Futures please visit (url removed More ❯

Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Goodstack by 2x Sign in to set job alerts for “Senior Software Engineer” roles. Senior Java Engineer - Take Ownership of Flagship Trading Product - Up to £120k London, England, United Kingdom 1 month ago London, England, United Kingdom 1 week ago Codified Controls - Senior Full-Stack … London, England, United Kingdom 5 days ago London, England, United Kingdom 21 hours ago London, England, United Kingdom 3 hours ago London, England, United Kingdom 2 weeks ago Senior Java Analyst Developer/Technical Consultant Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago More ❯

platform and to support their use of it. Maintain an understanding of industry trends and bring new ideas to the platform. Education and Experience Proven experience in software development (Java, Java Spring Boot) Proven experience in Cloud Technologies (AWS preferred) Relevant leadership experience for more senior roles Required Skills Experience designing, developing, debugging, optimizing, and supporting sophisticated production More ❯

in architecting, designing and building highly distributed systems and SRE products. Maintain and promote best practices in software engineering, leading by example. Required Qualifications, Capabilities, And Skills. Proficiency in Java with a strong understanding of Java programming language, including object-oriented programming concepts. Spring Boot expertise having In-depth knowledge of the framework, including its features and components More ❯

You’re a passionate Senior Software Engineer who enjoys designing and building high-quality, scalable systems. You have a strong background in at least two of our core languages (Java, Go, or Python) and thrive in dynamic, fast-paced environments. You’re a technical leader, comfortable contributing to architectural decisions, mentoring others, and advocating for clean, maintainable code. You … and AI teams to define and refine requirements, ensuring our solutions remain innovative, robust, and user-centric. Key Responsibilities: Design, develop, test, and deploy high-quality software solutions using Java, Go, and Python. Contribute to architectural decisions and ensure alignment with best practices. Participate in code reviews and provide constructive feedback to peers. Design, implement, and maintain CI/… AI team forward. What We're Looking For: 7+ years of experience as a Senior Software Engineer or similar. Strong proficiency in at least two of our core languages – Java, Go, or Python. Proven track record of designing and building scalable microservice architectures. Deep understanding of event-driven systems and message queues (e.g. NATS, RabbitMQ, Kafka). Strong understanding More ❯

You’re a passionate Senior Software Engineer who enjoys designing and building high-quality, scalable systems. You have a strong background in at least two of our core languages (Java, Go, or Python) and thrive in dynamic, fast-paced environments. You’re a technical leader, comfortable contributing to architectural decisions, mentoring others, and advocating for clean, maintainable code. You … and AI teams to define and refine requirements, ensuring our solutions remain innovative, robust, and user-centric. Key Responsibilities: Design, develop, test, and deploy high-quality software solutions using Java, Go, and Python. Contribute to architectural decisions and ensure alignment with best practices. Participate in code reviews and provide constructive feedback to peers. Design, implement, and maintain CI/… AI team forward. What We're Looking For: 7+ years of experience as a Senior Software Engineer or similar. Strong proficiency in at least two of our core languages – Java, Go, or Python. Proven track record of designing and building scalable microservice architectures. Deep understanding of event-driven systems and message queues (e.g. NATS, RabbitMQ, Kafka). Strong understanding More ❯

clients, understanding their needs, and translating them into effective outcomes. You understand and align with Solirius Reply Values. The Role: We are looking for an experienced Node Developer with Java or Front End Development experience to join our team here at Solirius. You will be working as part of a team, developing and delivering exciting projects with a fantastic … tools. Experience with testing frameworks like Mocha, Chai, or Jest. Familiarity with front-end technologies like React, Vue, or Angular is a plus. Experience with back-end technologies like Java or .Net is a plus Package and Benefits: Bonus Scheme 25 Days Annual Leave + Bank Holidays Up to 10 days allocated for development training per year Enhanced Parental More ❯

point of view. This is a full-time position open to candidates across Canada. We operate in a remote-first work culture and environment. Our Tech/Productivity stack: Java 11, Spring Boot, VueJS, Golang MySQL, Redis, Elastic Stack, Apache Kafka Docker, K8s GitHub, Jenkins, IntelliJ Slack, Google Apps, Jira In this role, you will: Develop Back-End applications … using languages such as Java or Golang. Develop Front-End applications using JS frameworks such as Vue.js. Create and maintain test suites at various levels (unit, functional, automated or not). Lead product architectural design and analysis of strategic areas of the platform. Review code PRs (pull requests) to promote best practices and design guidelines. Collaborate in cross-functional More ❯