1 to 25 of 28 Java Engineer Jobs in Wales

network you want to login/join with: Looking to play your part in a revolutionary movement with sustainable energy? Are you a Core Java expert with extensive experience using concurrency, low latency and multithreaded applications? FULLY REMOTE Senior Java Engineer - Tech for Good Salary: up to … 120k Location: Fully Remote from anywhere in the UK We have a fantastic new opportunity for all you Java Engineers looking to get stuck into a new challenge working on exciting projects solving real-world problems. They are also very big supporters of Diversity & Inclusion so welcome all candidates. … A unique energy software platform helping consumers transition towards a sustainable future are looking for enthusiastic and knowledgeable Senior Java Engineers with a strong comprehension of the Core Java principles, including Multithreading, Concurrency and Low Latency to join their growing team. In this fantastic Senior Java Engineer More ❯

network you want to login/join with: Looking to play your part in a revolutionary movement with sustainable energy? Are you a Core Java expert with extensive experience using concurrency, low latency and multithreaded applications? FULLY REMOTE Senior Java Engineer - Tech for Good Salary: up to … 120k Location: Fully Remote from anywhere in the UK We have a fantastic new opportunity for all you Java Engineers looking to get stuck into a new challenge working on exciting projects solving real-world problems. They are also very big supporters of Diversity & Inclusion so welcome all candidates. … A unique energy software platform helping consumers transition towards a sustainable future are looking for enthusiastic and knowledgeable Senior Java Engineers with a strong comprehension of the Core Java principles, including Multithreading, Concurrency and Low Latency to join their growing team. In this fantastic Senior Java Engineer 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 ❯

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 this More ❯

Social network you want to login/join with: Java Engineer - Up to £140,000 + Bonus + Package, Cardiff Client: Hunter Bond Location: Cardiff, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Location: London (Hybrid … Salary: Up to £140,000 + Bonus + Outstanding Benefits The Role A top-tier FinTech innovator is seeking a skilled Java Engineer to help drive the evolution of their next-generation, low-latency trading platform. This is your opportunity to work at the forefront of real-time … technology, building performance-critical systems in a collaborative, agile environment. You'll work alongside exceptional engineers and industry veterans, tackling complex challenges with Core Java in a business where every millisecond matters. What You’ll Bring Deep expertise in Core Java, with a focus on high-performance development More ❯

Social network you want to login/join with: Java Engineer - Up to £140,000 + Bonus + Package, Newport Client: Hunter Bond Location: Newport, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Location: London (Hybrid … Salary: Up to £140,000 + Bonus + Outstanding Benefits The Role A top-tier FinTech innovator is seeking a skilled Java Engineer to help drive the evolution of their next-generation, low-latency trading platform. This role offers the opportunity to work at the forefront of real … technology, building performance-critical systems in a collaborative, agile environment. You will work alongside exceptional engineers and industry veterans, tackling complex challenges with Core Java in a business where every millisecond counts. What You’ll Bring Deep expertise in Core Java, with a focus on high-performance development 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 market-leading … 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 … CD pipelines, application resiliency, and security practices Solid understanding of key technologies such as cloud, AI/ML, or mobile platforms Backend expertise in Java, Spring Framework, Kafka, and NoSQL databases (e.g., MongoDB, Cassandra) Preferred Qualifications Exposure to cloud technologies and services Experience designing and developing microservices-based architecture More ❯

Principal Vulnerability Engineer – Java Security Platform, Cardiff Client: Oracle Location: Cardiff, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: We are seeking a Principal Vulnerability Engineer to join the security vulnerability team for the Java … security code reviews. The ideal candidate must have at least 10+ years of hands-on experience in platform security, with deep knowledge of the Java security model. Extensive experience with security protocols and best practices is essential. The candidate should be capable of working independently on assigned tasks, with … proven success in security incident resolution and proactive research using industry-standard tools. Experience with Java security issues, CVEs, and proficiency in Java, along with expert-level C/C++ skills and systems programming, are required. Strong leadership, self-motivation, remote collaboration skills, and excellent communication are also 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. Key Responsibilities Develop More ❯

Social network you want to login/join with: Principal Vulnerability Engineer – Java Security Platform, Newport Client: Oracle Location: Newport, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: We are looking for a Principal Vulnerability Engineer to join the security vulnerability team for the Java platform. This team conducts both red team (offensive) and blue team (defensive) duties. Responsibilities include proactive research, security tooling, assessments, and assisting development teams with security code review. The ideal candidate must have at least 10+ years of hands … on experience in platform security, with deep knowledge of the Java security model. Minimum 10+ years of experience with security protocols and best practices are required. The candidate should be able to work independently on assigned tasks, have proven experience in security incident resolution, and utilize industry-standard tools 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 enable … 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 microservices and distributed systems Familiarity with data technologies like MySQL 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 enable … 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 microservices and distributed systems Familiarity with data technologies like MySQL 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 a … 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 a … 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 ❯

Location: Newport, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 Job Description: Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x Month) Xcede is partnering with a FinTech scale-up building a new SaaS … platform integrating with major banking institutions. What will you do as a Principal Engineer? Lead architectural discussions and serve as the technical authority within the engineering team. Collaborate with Product Managers and Engineers to optimize solutions. Engage with clients to gather requirements and understand problems. Set best practices and … Experience designing large-scale engineering platforms. Comfortable working with both technical and non-technical stakeholders. At least 3 years as a Principal/Staff Engineer or Architect. Experience working with clients in a commercial environment (consultancy, SaaS, etc.). Preference for experience in SaaS or FinTech. If this sounds More ❯

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: Role: Principal Engineer Stack: Java, Kotlin, AWS Location: London, Hybrid (2-4x per month) Xcede is partnering with a FinTech scale-up building a new … SaaS platform integrating directly with major banking institutions. What will you do as a Principal Engineer? Lead architectural discussions and serve as the technical authority within the engineering team Collaborate with Product Managers and Engineers to optimize solutions Engage with clients to gather requirements and understand problems Set best … Experience building and designing large-scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Experience dealing with clients in a commercial environment (consultancy, SaaS, etc.) Preference for experience within SaaS or FinTech If this sounds interesting More ❯

day Inside IR35 Start Date: June Job Type: 6 Month Contract (with scope to extend) Company Introduction We are looking for an Azure Data Engineer with strong Java coding experience, and experience working with Java management tools for our client in the IT Services and IT Consulting … experience on Cloud Technologies – Azure/AWS. Ability to work with complex data models. Proficiency in development languages including but not limited to: Python, Java, C/C++, HTML, XML, SQL, Windows, UNIX, and JSON. Familiarity of industry best practices — code coverage. Experience working in software development methodologies (e.g. More ❯

day Inside IR35 Start Date: June Job Type: 6 Month Contract (with scope to extend) Company Introduction We are looking for an Azure Data Engineer with strong Java coding experience, and experience working with Java management tools for our client in the IT Services and IT Consulting … experience on Cloud Technologies – Azure/AWS. Ability to work with complex data models. Proficiency in development languages including but not limited to: Python, Java, C/C++, HTML, XML, SQL, Windows, UNIX, and JSON. Familiarity of industry best practices — code coverage. Experience working in software development methodologies (e.g. More ❯

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 caring about … multitude of problems and challenges, who can work across teams do great things here at Engine, to continue changing banking for good. As an Engineer you will: Contribute to our award winning platform and internal tooling Build new features and products from scratch in a configurable way Share your … 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 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 ❯

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 scale, enjoy … 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 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 ❯

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 ❯

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 ❯