1 to 25 of 31 Java Jobs in Wales

Senior Software Engineer (Golang + Remote)

Hiring Organisation
IntaPeople
Location
Cardiff, Butetown Community, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
minimum of 4-7+ years experience as a Software/Senior Engineer Strong experience with technologies Golang Good experiene with TypeScript or Java would also be beneficial but not essential Experience with both JavaScript and frameworks such as React and Express.js (or similar) Strong experience using HTML & CSS Experience ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£85,000
experience in software engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven ...

Full Stack Engineer

Hiring Organisation
Leap29
Location
Cardiff, UK
Employment Type
Full-time
contributing to a range of backend services. What you'll be doing: Developing new services primarily in Python, while supporting existing applications written in Java and .NET. Working with Oracle SQL PL to maintain and enhance current services. Collaborating on infrastructure and DevOps tasks using AWS, Azure, SQL Server, Postgres ...

Senior Software Engineer Full Stack

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£60,000
Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, Spring Boot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming … languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing, and modern software development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£75,000
their suitability for different tasks Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency … Platforms : Strong proficiency in cloud technologies, including architecture and deployment strategies. Programming and Development : Advanced knowledge of multiple programming languages and frameworks (e.g., Python, Java, Node.js). CI/CD and Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience ...

.NET/Java Developer

Hiring Organisation
Noir
Location
Bridgend, UK
Employment Type
Full-time
/Java Developer (Tech stack: .NET Developer, C#, Java, Azure, Kubernetes, DevOps, ReactJS, Microservices, CI/CD, Backend Developer) Our client is a forward-thinking technology organisation delivering cloud-based enterprise solutions. They are seeking a .NET/Java Developer to design, develop, and maintain their core cloud systems. This … excellent opportunity to work on impactful projects using C#, Java, Azure, Kubernetes, and DevOps practices in a collaborative and innovation-driven environment. Key Responsibilities: Develop and maintain scalable and secure systems using C# and Java (50/50 time allocation). Implement cloud-based solutions on Azure, leveraging Kubernetes ...

.NET/Java Developer

Hiring Organisation
Noir
Location
Bridgend, Mid Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
.NET/Java Developer (Tech stack: .NET Developer, C#, Java, Azure, Kubernetes, DevOps, ReactJS, Microservices, CI/CD, Backend Developer) Our client is a forward-thinking technology organisation delivering cloud-based enterprise solutions. They are seeking a .NET/Java Developer to design, develop, and maintain their core cloud systems. … This is an excellent opportunity to work on impactful projects using C#, Java, Azure, Kubernetes, and DevOps practices in a collaborative and innovation-driven environment. Key Responsibilities: Develop and maintain scalable and secure systems using C# and Java (50/50 time allocation). Implement cloud-based solutions on Azure ...

Senior Customer Success Engineer

Hiring Organisation
Veracode
Location
Cardiff, UK
Employment Type
Full-time
DevOps, GitHub, Jenkins, etc.) Experience writing scripts with Python, Postman, etc. to automate tasks via security tool APIs (REST & GraphQL) Familiarity with how .NET, Java, JavaScript programs are compiled and packaged. Hands-on experience with application security solutions (Veracode, Synopsys, Checkmarx, Snyk, etc.) and cloud security solutions (Wiz, Palo Alto ...

Senior Software Engineer

Hiring Organisation
Copello Global
Location
Newport, UK
Employment Type
Full-time
technologies while benefiting from a supportive environment that values career development and work-life balance. What You'll Bring Strong programming expertise in Core Java and/or C++ Proven experience delivering software products for complex systems Solid understanding of the full Software Development Lifecycle, particularly software requirements and design ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
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 ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
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 ...

Technical Test Analyst

Hiring Organisation
Sopra Steria
Location
Newport, Dyfed, Wales, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £50,000 per annum
writing complex scripts for relational databases MS Excel – creating macros for advanced data queries and builds Programming – PL/SQL, C, VB, or Java for complex procedures and functions Testing tools – HP ALM, HP QC for full lifecycle test suite management It would be great if you had: UiPath Automation ...

Java Developer

Hiring Organisation
Hyperloop Recruitment
Location
Buckley, Flintshire, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Senior Java Developer £65,000 (DOE) North Wales (hybrid) Hyperloop Recruitment are working with a fast-growth tech firm based in North Wales, looking to bring a Senior Java Developer into their team. Working in a team of specialists, the successful candidate will be responsible for creating new solutions … business problems, creating new products whilst helping build and support our clients' core software and services. The role would suit a talented Java Developer with at least 5 years' commercial experience working with AWS and Java-based technologies, looking for an exciting new challenge. You will have broad fundamental knowledge ...

Technical Resourcing Specialist (Nearshore/Offshore - SOW Delivery)

Hiring Organisation
TRIBES
Location
Cardiff, UK
Employment Type
Full-time
resourcing for client opportunities and delivery teams (nearshore/offshore). Build and maintain pipelines across core stacks: React, Node, Python, Java, .NET, Mobile, QA, DevOps, Data. Actively source and engage high-quality engineers (not just manage inbound). Run structured screening: stack fit, seniority calibration, communication, timezone overlap, availability ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Cardiff, UK
Employment Type
Full-time
Ontology, Workshop, Code Repositories, OSDK, Actions, AIP/agentic features. Proficiency in at least one general-purpose programming language commonly used with Foundry (Python, Java or similar) for transformations, services, and integrations. Solid background in data engineering concepts: batch/stream processing, data modelling, data quality, and governance. Experience integrating ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Ontology, Workshop, Code Repositories, OSDK, Actions, AIP/agentic features. Proficiency in at least one general-purpose programming language commonly used with Foundry (Python, Java or similar) for transformations, services, and integrations. Solid background in data engineering concepts: batch/stream processing, data modelling, data quality, and governance. Experience integrating ...

Full-Stack Java Engineer (Mid-to-Senior) - Remote First | Full-Time or 4-Day Equivalent

Hiring Organisation
PhixFlow
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/… PhixFlow platform. Technology Keywords & Interests Experience with, or a strong interest in, the following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud ...

Generative AI Engineer

Hiring Organisation
Avensys Consulting UK
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends. Collaborate with architects to define scalable and secure AI service architectures. Experience in the following Implementing AI/ML pipelines for model ...

Dynamics 365 CE Technical Consultant

Hiring Organisation
Adapt 365
Location
Cardiff, UK
Employment Type
Full-time
that's not just functional — but exceptional. What you'll bring: Dynamics 365 accreditations and deep CE knowledge. Strong coding skills (C#, ASP.Net, Python, Java, JSON). Experience with enterprise CRM systems and complex project delivery. Excellent customer engagement and stakeholder management skills. A passion for quality, collaboration, and continuous ...

iSeries Development Lead

Hiring Organisation
IntaPeople
Location
Cardiff, Saint Fagans, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£58000 - £62000/annum
existing processes Line managing the iSeries team including workload planning, development and pastoral support What you’ll need Strong experience developing in RPG, COBOL, Java or .NET Understanding of the AS400 environment (CL, DDS, DB2 etc) Ability to design specs, analyse systems and support testing and user journeys Experience working ...

Senior Backend Engineer

Hiring Organisation
Orbis Group
Location
Cardiff, UK
Employment Type
Full-time
Backend Developer – Golang/Python/Java/Tech-First Fintech – Inside IR35 Our client is a leading, tech-first fintech building backend systems that power millions of users every day. They are looking for a Backend Developer with experience in Golang, Python, or Java who can contribute to scalable … performance systems and help deliver impactful products. Key Responsibilities: Build and maintain backend services and APIs in a Golang-first environment, with Python or Java experience welcome Work on distributed systems, microservices, and event-driven pipelines handling millions of requests with low latency Deploy and operate services on Kubernetes ...

Technical Architect

Hiring Organisation
RCRTR
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £500/day
will provide end-to-end technical leadership across design, architecture, and delivery of modern cloud-based systems. The role focuses on AWS cloud architecture, Java-based services, API-led design, microservices patterns, and schema-driven approaches to ensure high-quality, scalable, resilient digital services. You will work closely with engineering … architectures for cloud-native services built on AWS. Define and document high-level and detailed designs, architectural patterns, and technical specifications. Architect Java-based services using frameworks such as Spring/Spring Boot. Create robust, well-governed API architectures (RESTful, event-driven, synchronous/asynchronous). Lead the design ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing, filtering, and observability. Proficiency in one or more: Java/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
qualifications 6+ years building production backend systems (at least 3 years in high-scale or low-latency environments). Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/services. Strong systems design skills: concurrency, memory management, performance tuning ...

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Cardiff, UK
Employment Type
Full-time
code audits to reveal subtle security vulnerabilities Writing new tools such as fuzzers in languages such as C/C++, Python, Ruby, Go or Java, Tearing apart an undocumented file format or network protocol Coming up with novel techniques to solve unique and interesting security problems Review new services, including … skills Intermediate knowledge of Linux OS Internals Advanced knowledge of one programming language and ability to read two high level programming language such as Java Preferred Qualifications Undergraduate or Graduate degree in Electrical Engineering, Computer Science, or another related field or equivalent work experience. Hands-on experience developing services ...