1 to 25 of 39 Permanent Java Jobs in Wales

Sapiens UK is seeking an experienced Java Developer to join our Cardiff team. We are a global leader in intelligent insurance software solutions, and we are expanding our Cardiff team to meet new business demands. If you’re ready to take your skills to the next level with a dynamic and growing company, this could be the ideal role for More ❯

Sapiens UK is seeking an experienced Java Developer to join our Cardiff team. We are a global leader in intelligent insurance software solutions, and we are expanding our Cardiff team to meet new business demands. If you’re ready to take your skills to the next level with a dynamic and growing company, this could be the ideal role for More ❯

reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java, C++ or Go/Golang Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming Experience with distributed caching, SQL/NO More ❯

and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant … The main part of our Tech Stack is listed below; we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase AWS & GCP - we're cloud-native Microservice based architecture Kubernetes (EKS) TeamCity for CI/CD (lots of teams are releasing More ❯

and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, but you need not be an expert when you join us! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant … The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase AWS & GCP - we're cloud-native Microservice based architecture Kubernetes (EKS) TeamCity for CI/CD (lots of team are releasing More ❯

world of corporate governance; empowered by the ground-breaking legislation of the Economic Crime and Corporate Transparency Bill. We have a large estate of services which we develop in Java using the Spring Boot framework, and Typescript using the Node.js framework with Express. We use the Gov.uk Design System (GDS) for our User Interfaces. We also have older J2EE applications … which we are in the process of modernising. We are looking for expert developers in these technologies! While we would expect you to be very experienced in either Java/Spring or Typescript/Node we like to hire inquisitive developers who value continuous learning, and we will support you in learning all the development technologies we use at Companies … engineering experience, with excellent technical skills and the ability to complete detailed design. A degree in computing or similar would be an advantage. Excellent coding skills which must include Java/Spring Boot and/or Typescript/Express/Node. Mentoring experience or can demonstrate experience of leading a team. Strong communication skills where you can translate technical jargon More ❯

algorithms, complexity, object oriented design Mastery of modern web technologies & Javascript is essential: React, CSS, Node, Angular, etc. Proficient in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps/CloudOps best practices - test driven development, CI/CD, etc. Desirable: prior experience with Azure and NoSQL Desirable: experience and interest in machine More ❯

algorithms, complexity, object oriented design Mastery of modern web technologies & Javascript is essential: React, CSS, Node, Angular, etc. Proficient in at least one all purpose imperative language: Python (ideal), Java, C++, etc. Familiar with modern DevOps/CloudOps best practices - test driven development, CI/CD, etc. Desirable: prior experience with Azure and NoSQL Desirable: experience and interest in machine More ❯

simple features in new contexts. You will have the opportunity to work across a variety of technologies and will need to be comfortable doing so. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core, and plenty more stacks. We don't limit ourselves as a company to particular technologies and we expect More ❯

for support processes and troubleshooting guides Participate in on-call rotation to ensure 24/7 coverage of global trading systems Use the latest technology stacks such as AWS, Java 17, Python 3, HDF5, Kubernetes, Kafka and Argo Candidate Requirements Years experience in financial technology support, preferably in electronic trading Strong understanding of market data structures and exchange connectivity Linux More ❯

least 8 years’ experience architecting large-scale distributed systems, particularly on AWS. The ideal candidate will bring deep expertise in designing secure, scalable infrastructures using AWS, Kubernetes, Kafka, and Java-based microservices. You’ll be responsible for shaping technical strategy, leading architecture design, and mentoring teams across cloud transformation projects. A strong understanding of cloud security best practices, CI/ More ❯

deployments to on-premise managed application servers, demanding smart thinking and innovative solutions from our people. Who you are You have at least 3 years of experience as a Java Backend Developer; Your background speaks for itself; you have solid experience working in enterprise projects; Experience in the banking domain or Fintech products will be considered an advantage; You have More ❯

Quality Engineering Automation Lead Java + Selenium + BDD Permanent | Hybrid | South Wales £80,000 + Bonus + Excellent Benefits CPS Group is excited to partner with a leading global insurance firm—ranked among the top 10 worldwide—as they continue to evolve their technology capability. We're searching for a Quality Engineering Automation Lead to own the automation strategy … hands-on element—ideal for someone passionate about automation, quality, and scaling robust test practices across complex systems. Tech Stack & Experience: Automation Tools: Selenium, Appium, Cucumber, TestNG, JUnit Languages: Java (primary), Python, JavaScript API Testing: REST Assured, SOAP, Web APIs DevOps & CI/CD: Jenkins, Azure DevOps, Git, Maven Testing Approaches: BDD, continuous testing, performance testing (e.g., JMeter) Cloud: Exposure More ❯

Quality Engineering Automation Lead Java + Selenium + BDD Permanent | Hybrid | South Wales £80,000 + Bonus + Excellent Benefits CPS Group is excited to partner with a leading global insurance firm—ranked among the top 10 worldwide—as they continue to evolve their technology capability. We're searching for a Quality Engineering Automation Lead to own the automation strategy … hands-on element—ideal for someone passionate about automation, quality, and scaling robust test practices across complex systems. Tech Stack & Experience: Automation Tools: Selenium, Appium, Cucumber, TestNG, JUnit Languages: Java (primary), Python, JavaScript API Testing: REST Assured, SOAP, Web APIs DevOps & CI/CD: Jenkins, Azure DevOps, Git, Maven Testing Approaches: BDD, continuous testing, performance testing (e.g., JMeter) Cloud: Exposure More ❯

relational databases and SQL, preferably MySQL Excellent knowledge of PHP who understands the weak and strong points of this language PHP, Symfony and Laravel Languages: PHP, Ruby-on-Rails, Java, Python, C# VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum More ❯

relational databases and SQL, preferably MySQL Excellent knowledge of PHP who understands the weak and strong points of this language PHP, Symfony and Laravel Languages: PHP, Ruby-on-Rails, Java, Python, C# VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum More ❯

LL BRING: Strong professional experience with React Native and TypeScript Solid understanding and experience with GraphQL APIs Good knowledge of iOS (Swift/Objective-C) and Android (Kotlin/Java) Native Development for platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing More ❯

Applications or 3+ years of relevant experience in commercial product development and/or testing. Proven experience in developing and testing end-user applications using C/C++, C#, Java, Scala, or Python. Familiarity with MySQL, ElasticSearch, PostgreSQL, GUIs, REST APIs, Docker, virtual machines, and computer networks for application integrations. Exceptional communication skills to understand user requirements and assess software More ❯

Senior Java Developer Up to £150k - Remote Working – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who has a PhD in Computer science and is passionate about new … advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. … Key Requirements Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong knowledge of Advanced Computer Science Principles, Compiler Theory and Graph Theory More ❯

enrollment in the Civil Service Pension scheme with an average contribution rate of 28%. Identify and implement test frameworks to improve testing confidence (currently migrating from Selenium/Java to Playwright & TypeScript). Proficiency in various coding languages (expertise in at least one). Lead delivery practices, focusing on complex problem-solving and influencing senior team members. Design and … with the following experience, assessed during the sift, technical stage, and interview: Professional certification (e.g., ISTQB, ISEB) or equivalent practical experience in testing. Automation testing expertise with frameworks like Java, Selenium, Cucumber, and desirable experience in Playwright and TypeScript. Proven coaching and mentoring skills, especially in automation. Experience with Agile methodologies, including certification or substantial practical experience. Experience in Non More ❯

this role you will need the following: Experience designing, improving and maintaining robust data pipelines Strong SQL programming skills. Knowledge of other programming languages such as Python, C++ and Java beneficial Possesses a strong understanding of Snowflake - beneficial Experience managing small teams of Data Engineers Strong experience working in a cloud environment and knowledge in the following very beneficial: Microsoft More ❯

this role you will need the following: Experience designing, improving and maintaining robust data pipelines Strong SQL programming skills. Knowledge of other programming languages such as Python, C++ and Java beneficial Possesses a strong understanding of Snowflake - beneficial Experience managing small teams of Data Engineers Strong experience working in a cloud environment and knowledge in the following very beneficial: Microsoft More ❯

in the AMZL Innovation Center. BASIC QUALIFICATIONS Bachelor's degree in Computer Science, Automation Engineering, or equivalent Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby Experience in systems design, software development, operations, automation, and process improvement Experience building tools for building, testing, releasing, or monitoring Non-internship professional software/system More ❯

Experience with CI/CD pipelines. Proficiency in multiple programming languages (e.g., Python, Go, Java). Experience with low-code platforms. Technology Stack While this role focuses on third-party customizable platforms (primarily JavaScript-based), familiarity with the following technologies is beneficial: AWS Go/Python/Java TypeScript Terraform GitLab ReactJS/NextJS Kubernetes FinTechOS About Admiral We take More ❯

expertise in test automation, CI/CD integration, and mentoring teams in best practices. Essential Technology & Experience: * Automation Frameworks: Katalon (certified expert preferred), Selenium, Appium, Cucumber, TestNG, JUnit. * Languages: Java, Groovy, JavaScript. * API Testing: SOAP, REST (using REST Assured), Web API testing. * CI/CD & DevOps: Jenkins, Azure DevOps, Git, Maven. * Test Methodologies: BDD, continuous testing, performance testing (JMeter). More ❯