22 of 22 Java Jobs in Cardiff

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 Web Developer

Hiring Organisation
Next Match AI
Location
Cardiff, UK
Employment Type
Full-time
JavaScript Experience with at least one modern framework: React, Vue, or Angular Solid experience with at least one backend stack: Node.js, Python, PHP, Java, or .NET Familiarity with relational or NoSQL databases, API,s and Git Understanding of scalable architectures, caching, and basic DevOps practices Strong grasp of responsive design ...

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 ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Cardiff, UK
Employment Type
Full-time
record of continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

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 ...

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 ...

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 ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
Cardiff, UK
Employment Type
Full-time
years' practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Palantir Architect (Lead FDE)

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 ...

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

Hiring Organisation
PhixFlow
Location
Cardiff, 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
Cardiff, 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 ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Cardiff, 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
Cardiff, 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 ...

Senior Manager, DDOS Engineering and Development

Hiring Organisation
Oracle
Location
Cardiff, UK
Employment Type
Full-time
DevOps at scale: CI/CD, automated testing, rollout/rollback, config management, and IaC (e.g., Terraform). Proficiency with one or more: Java, Go, Python, C++, or Rust; strong preference for Java for control-plane/services. Demonstrated leadership in incident management, resilience engineering, observability, and operational maturity. Excellent ...

Quantitative Analyst - Sportsbook Research & Development

Hiring Organisation
Hard Rock Digital
Location
Cardiff, UK
Employment Type
Full-time
will: Collaborate with our Data Science and Product teams, translating complex Sportsbook subject matter to help understand business requirements; Use programming languages such as Java or Python to create, enhance and refine our technical tools and solutions; Document and maintain your work to a high standard, for both technical … motivated individuals with a mix of sports betting knowledge and technical acumen. Coding capability in at least one (preferably more) of SQL, Python or Java is extremely desirable for the role, as is knowledge of the US sports betting market. You will be analytical, mathematically minded and detail orientated, with ...

Software Engineer

Hiring Organisation
LanceSoft UK
Location
Cardiff, UK
Employment Type
Full-time
Job Description: As an OS Frameworks Engineer, you will contribute to building innovative hardware and software that profoundly redefine how people work, play, and connect. What we create today has the potential to become the ...