17 of 17 Java Software Engineer Jobs in Wales

Senior Java Engineer Bristol (Hybrid Working - 3 Days in the office) £50,000 - £60,000 + Annual Bonus Sustainability & Safety Systems Business SR2 are recruiting for a Senior Java Engineer for one of our Bristol based clients, we've hired for them over the past … privately owned business who have seen a lot of success and organic growth in the recent years. We're currently hiring a new Senior Java Engineer to join their team, and work closely the Tech Lead within a cross-functional agile development team working within an Azure Cloud … energy-saving measures within their operations, making various upgrades to their systems to reduce energy consumption. About the role: If you're an experienced Java software engineer, with skills in Spring boot, REST APIs or GraphQL, CI/CD and have worked in collaborative agile development teams More ❯

Senior Java Engineer Bristol (Hybrid) | Salary: up to £70,000 The Role We have an exciting opportunity for an accomplished Senior Java Engineer to join a high-performing engineering team at global provider of enterprise SaaS solutions for the financial services. This is a hybrid position … with 2-3 days a week expected in the Bristol office and is perfect for a Senior Java Engineer who’s passionate about writing clean, efficient code while mentoring others and shaping modern, scalable systems. Primary Responsibilities Building cutting-edge backend solutions with Java, setting the standard … for clean, efficient code. Rewriting a legacy platform (Java 8) into Java 17. Champion engineering excellence and drive quality through robust design, development, testing, CI/CD, and automation. Work side by side with Product, UX, and fellow tech leaders to deliver innovative features that drive real user More ❯

Full Stack Software Engineer - Java & React, Cardiff Location: Cardiff, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Job Title: Software Engineer - Full stack Java & React Location: Cardiff Short Description: Design and deliver … agile team. Job Overview: This is a unique opportunity to accelerate your career while contributing to impactful technology solutions that drive innovation. As a Software Engineer III within the Employee Platform space, you will be a key contributor on an agile team, delivering secure, scalable, and high-performing … applications. You will be responsible for developing solutions across multiple technical domains, supporting strategic business goals. Key Responsibilities Develop and implement software solutions, troubleshoot technical challenges, and think creatively to solve complex problems Write secure, efficient, and production-ready code; maintain performance-driven algorithms Create architectural and design documents More ❯

Social network you want to login/join with: Full Stack Software Engineer - Java & React, newport col-narrow-left Client: Location: newport, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description … Job Title: Software Engineer - Full stack Java & React Location: Glasgow Short Description Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team. Job Overview This is a unique opportunity to accelerate your career while contributing to … impactful technology solutions that drive innovation. As a Software Engineer III within the Employee Platform space, you will be a key contributor on an agile team, delivering secure, scalable, and high-performing applications. You will be responsible for developing solutions across multiple technical domains, supporting strategic business goals. More ❯

Social network you want to login/join with: Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean … maintainable code? If so, we’d love to hear from you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with … is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration #J More ❯

Social network you want to login/join with: Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean … maintainable code? If so, we’d love to hear from you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with … is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration #J More ❯

Social network you want to login/join with: Java Engineer (6-Month Contract) | Global Tech Company | London (Hybrid) Start Date: ASAP Duration: 6 months Location: London (Hybrid Working) Rate: £675 per day INSIDE IR35 A leading global tech company is looking for a talented and motivated Software Engineer to join its RegTech team for a 6-month contract. You’ll be working at the cutting edge of regulatory technology, developing solutions that ensure compliance, mitigate risk, and support key financial operations across the business. The RegTech department is responsible for building secure, scalable platforms that … system performance, and service reliability Contribute to team growth through code reviews, mentoring, and hiring efforts What We’re Looking For: 3+ years of software engineering experience, with strong backend focus Proficiency in Java (required) and at least one other server-side language Solid hands-on experience with More ❯

Social network you want to login/join with: Java Engineer (6-Month Contract) | Global Tech Company | London (Hybrid) Start Date: ASAP Duration: 6 months Location: London (Hybrid Working) Rate: £675 per day INSIDE IR35 A leading global tech company is looking for a talented and motivated Software Engineer to join its RegTech team for a 6-month contract. You’ll be working at the cutting edge of regulatory technology, developing solutions that ensure compliance, mitigate risk, and support key financial operations across the business. The RegTech department is responsible for building secure, scalable platforms that … system performance, and service reliability Contribute to team growth through code reviews, mentoring, and hiring efforts What We’re Looking For: 3+ years of software engineering experience, with strong backend focus Proficiency in Java (required) and at least one other server-side language Solid hands-on experience with More ❯

A forward-thinking engineering organisation is seeking a Senior Software Engineer to play a key role in the development of a new greenfield platform designed to transform how data is ingested, analysed, and visualised across critical infrastructure. You’ll join a cross-functional, agile team of software … from design through to deployment and ongoing support Championing Agile and contributing to continuous improvement of delivery processes Designing and building backend systems using Java, Spring, and GraphQL Evaluating technologies and contributing to architecture decisions Supporting developer tools such as CI/CD pipelines and test frameworks Mentoring other … developers and contributing to coding standards and best practices Working closely with stakeholders to align software with business needs What you’ll need: Strong experience building production systems with Java and the Spring ecosystem Proven backend system design expertise (APIs, data layers, infrastructure) Experience with GraphQL and REST More ❯

Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at … evangelist for best practices across all functions - developers, QA, and infrastructure/ops Be an evangelist for platform innovation and 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 SQL, and other databases is a plus Experience with Big Data and cloud services such as AWS/ More ❯

work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate … re able to interact and collaborate in person. About Engineering at Engine by Starling - https://www.enginebystarling.com/We're looking for Backend Software Engineers to work on the Engine Platform and make our existing features work for banks all over the world as well as building new … be. Hear more from the team in some case studies, below, and our work with Women In Tech. Day in the Life of a Software Engineer Running a Backend Team We are looking for engineers at all levels to join the team. We value people being engaged and More ❯

Social network you want to login/join with: Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

Social network you want to login/join with: Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

We're Hiring: Java Developers (Multiple Seniority Levels) 💰 £50,000 - £80,000 📍 Hybrid - Shropshire (2–3 days on-site per week) 🧾 Eligibility for SC Clearance required Join one of the UK’s leading consultancies on a major, long-term digital transformation programme for a large government department. You’ll … project demand, with regular extensions and reassignments - making this an ideal environment for curious, adaptable developers. 🔧 What You’ll Do Build scalable microservices using Java and Spring/Spring Boot. Deliver clean, maintainable code through TDD, BDD, and pair programming Design and maintain RESTful APIs and asynchronous services Contribute … in Agile teams with designers, analysts, and infrastructure specialists Influence architectural decisions and support continuous delivery pipelines ✅ What You’ll Bring Strong experience with Java (ranging from legacy versions to modern stacks) Comfortable working across both legacy systems and greenfield projects Experience with microservices, TDD, unit testing, and CI More ❯

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 … 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/ More ❯

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 … 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/ More ❯