24 of 24 Permanent Java Jobs in Wales

Senior Java Engineer Cardiff (4 days per month onsite) £60,000 - £75,000 + Benefits SC Clearance Eligibility Required Face-to-face interviews: 6th or 7th July We're looking for experienced Senior Java Engineers to join a growing team delivering complex, enterprise-scale solutions within a collaborative Agile environment. … term programmes alongside highly skilled engineers who are passionate about quality, continuous improvement and modern software development practices. What You'll Be Working With: Java Spring Boot Docker and Kubernetes CI/CD pipelines Microservices architecture Domain-Driven Design (DDD) CQRS and Event-Driven patterns Cloud platforms (AWS, Azure ...

industry experts Based in Swansea, South Wales - three days per week on-site Role Overview We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java … functional stakeholders to ensure successful project delivery. Key Responsibilities Technical Leadership Lead the design, development, and maintenance of enterprise-grade Back End applications using Java (8/11/17+) and Spring Boot. Define and drive technical architecture, coding standards, and development best practices. Provide technical guidance and mentorship ...

Crossplane, Ansible). Proven ability to architect and deploy containerised systems (Docker, Kubernetes) at scale. Proficiency in one or more modern languages — Go, Python, Java, Ruby, TypeScript. Solid understanding of CI/CD , DevOps automation , and secure cloud operations . Strong communication and stakeholder management skills — able to influence ...

Software Engineers (Java/Angular) - Sustainable Digital Programme We're growing a delivery team working on a major multi-year sustainable agriculture and land management programme supporting a UK public sector organisation. There's a strong pipeline of work already in motion, and we're looking to bring … month The Opportunities: 1 x Team Lead/Senior Engineer (hands-on leadership) 2 x Senior Software Engineers Some flexibility for a strong Java-focused backend engineer This is a tight-knit, highly collaborative team, working directly with stakeholders and end users. Expect real ownership, fast-moving delivery, and meaningful ...

platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps), consensus algorithms, and token economics (utility tokens, NFTs, stablecoins). Experience ...

data engineering within financial markets. Exposure to at least one of: Front Office (Sales & Trading), Risk Management, or Finance. Strong programming in Python, Java and SQL (Rust a plus). Proven experience building streaming and batch ETL/ELT pipelines at scale. Strong understanding of market/trade data lifecycles ...

squad, working on large-scale digital services in an API-first, cloud-native environment. You will design, build, and support secure, scalable applications using Java (Spring Boot) and React, contributing to the migration away from Legacy systems while aligning with GDS Service Standards . Key Responsibilities Design, develop, and support … full-stack applications using Java Spring Boot and React Collaborate with Product Owners, Delivery Managers, Architects, and Analysts in agile squads Integrate APIs and support Legacy system modernisation Ensure high availability, reliability, and performance of services Contribute to CI/CD pipelines, applying TDD/BDD practices Implement Secure ...

looking for would ideally have experience in a similar position and harbour some of the following skills. Several years’ experience working with Golang, Java, C# or C++ Experience with Kubernetes, Docker, Terraform Experience with AWS Passion for simulation games If this sounds like something that interests you, send in your ...

Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure with Python or another backend programming language - Java, Go, Node etc Experience working in a lean start-up environment is beneficial What's on offer: Salary up to £80,000 + Benefits Central ...

with product teams, business stakeholders, and other technical experts to create strategic solutions that ensure seamless integration and exceptional outcomes. Key Priorities: Proficiency in Java and AWS Experience with Salesforce development and React A strong focus on engineering efficiency, including knowledge of DORA metrics, DevOps methodologies, and practices like ...

friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Senior Java Developer with a focus on Agentic Coding IntaPeople are working exclusively with a fintech scaleup in Cardiff and require a Senior Java Engineer with experience of agentic cofing join a new team. This is a hybrid role with 3 days per week in the Cardiff office. About … will be utilising Claude.ai for AI model development. We are open to mid-levels (who are close to the senior mark)and established senior Java Developers to join a high performing team. They have agentic workflows set so you will need to hit the road running with agentic coding ...

quality practices. Preferred Experience Databricks in a SaaS environment, Spark, Python, and database technologies. Event-driven and distributed systems (Kafka, AWS SNS/SQS, Java, Python). Data Governance, Data Lakehouse/Data Intelligence platforms. AI software delivery and AI data preparation. ...

Based in Swansea, South Wales - three days per week on-site Role Overview We are seeking a Lead Backend Developer with strong expertise in Java and Spring Boot to drive the design and delivery of scalable, secure, and high-performing Back End systems. This role involves leading engineering teams, making … standards-driven environments, including exposure to GDS-aligned projects, is valuable. Key Responsibilities Lead the design and development of Back End systems using Java (8/11/17+) and Spring Boot Define and implement scalable microservices architecture Own technical design, architecture, and system integrations Guide and mentor a team ...

Software Engineers (Java/Angular) - Sustainable Digital Programme We're growing a delivery team working on a major multi-year sustainable agriculture and land management programme supporting a UK public sector organisation. There's a strong pipeline of work already in motion, and we're looking to bring ...

industry and further study. What Were Looking For A degree in Computing, Computer Science or a related field. Practical experience in programming (Python, C#, Java). Strong communication and organisational skills. Desirable: knowledge of databases, networking or cybersecurity; experience teaching in FE/HE. If youre new to teaching, well ...

dont hesitate to apply. What Were Looking For A degree in Computing, Computer Science or a related field. Practical experience in programming (Python, C#, Java). Strong communication and organisational skills. Desirable: knowledge of databases, networking or cybersecurity; experience teaching in FE/HE. If youre new to teaching, well ...

Senior Java Engineer Cardiff (4 days per month onsite) £60,000 - £75,000 + Benefits SC Clearance Eligibility Required Face-to-face interviews: 6th or 7th July We're looking for experienced Senior Java Engineers to join a growing team delivering complex, enterprise-scale solutions within a collaborative Agile environment ...

processes and multiple successful £5m+ bids Broad architecture experience across cloud platforms, application integration, and modernisation strategies Strong technical foundation in backend engineering (Java, C#) and modern application development practices Consultative selling expertise with ability to shape client requirements and drive solution differentiation Exceptional presentation and stakeholder management skills - comfortable ...

Teaching qualification (Desirable) Experience of teaching in UK higher, further education or sixth form (Essential) Experience of working with international students (Desirable) knowledge of Java or other object-oriented programming languages Ability to develop and update teaching material and preferably experience of working within a Virtual Learning Environment Competence ...

inclusive and welcoming environment, for everyone. Your skills and experience What you’ll bring: • Experience of JavaScript/Typescript and a familiarity with Java • Experience of Angular or equivalent • Experience of Bootstrap 5, HTML, CSS • Optional experience with OpenLayers or similar mapping library • Optional experience with Java Spring Boot • Knowledge ...

Offer: Up to £75k (DOE). Permanent role. 2 days a week onsite in Central London. Key requirements: Design, implement, and maintain automated Java test frameworks for APIs, web services, and large-scale enterprise apps. Build and manage Selenium WebDriver test suites with Cucumber and BDD. Mentor junior testers … encourage a culture of excellence. You’ll need: 5+ years’ experience in test automation with Java as your primary language. Strong expertise in Selenium WebDriver , Cucumber , and BDD practices. AWS knowledge and SQL/database experience. This is a great time to join an exciting company and work on impactful ...

Mentor and develop a small team of engineers while promoting best practices Skills & Experience * Strong experience with AI engineering, or software engineering (e.g. Python, Java, JavaScript/TypeScript etc.) with libraries/frameworks such as PyTorch, TensorFlow etc.) * Experience with RAG and LLM-based solutions * Solid understanding of AI architectures … work in the UK and live within commuting distance of Cardiff. Keywords: AI Engineer/Artificial Intelligence/Software Engineer/Python/Java/JavaScript/Cardiff Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody ...