1 to 25 of 118 Java Jobs in County Antrim

Lead Java Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
implement intelligent automation, anomaly detection, or data classification solutions within the regulatory reporting pipelines. Hands-On Development: Write clean, robust, and testable code using Java and Spring Boot, setting a high standard of engineering quality for the team. Component Design: Design scalable application components, microservices, and data integration layers … Professional Experience: Significant experienceof hands-on software engineering experience in enterprise-scale environments, with a proven track record of delivering robust, high-performance applications. Java/J2EE Expertise: Deep, authoritative knowledge of the J2EE platform and Core Java (Java 8 and above), including advanced concepts such as multi-threading, concurrency ...

Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
someone with solid commercial software engineering experience and a good understanding of modern development practices. You should have experience with several of the following: Java, C#, .NET, Python, JavaScript, TypeScript or another relevant language Object oriented programming and software design principles SQL and database technologies REST APIs and integrations ...

Senior DevOps Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
least one of the following scripting languages; Python, GO, PowerShell, Bash, Groovy* Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++* Developer tooling; Full stack CI/CD, GitLab, Jenkins, SonarQubeNexus* Knowledge and working experience of containerising application ...

Senior DevOps Engineer JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
least one of the following scripting languages; Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling; Full stack CI/CD, GitLab, Jenkins, SonarQubeNexus Knowledge and working experience of containerising application ...

Senior DevOps Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
least one of the following scripting languages; Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling; Full stack CI/CD, GitLab, Jenkins, SonarQubeNexus Knowledge and working experience of containerising application ...

Senior Software Engineer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
building high-quality, scalable software. You'll ideally have experience with: TypeScript, JavaScript, React and modern front-end technologies Backend development using TypeScript, Java, C# or a similar OOP language REST, GraphQL and WebSockets AWS and cloud-based technologies Microservices and event-driven architecture SQL and NoSQL databases Automated unit ...

AI Software Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
e.g. GitHub Copilot, Claude Code, Cursor, Amazon Q/Kiro) Experience with agentic AI workflows and steering techniques for reliable automation Strong OOP skills (Java, Python or C#) Experience with CI/CD pipelines and DevOps practices Right to work in Northern Ireland (no sponsorship available) Desirable Familiarity with ...

Backend/API Engineer - Telecoms & Cloud

Location
Belfast City District, Northern Ireland, United Kingdom
commercial environment. Strong understanding of REST, HTTP, JSON and API design principles . Experience with one or more backend development languages such as C#, Java, Python, Node.js or PHP . Experience developing and integrating third-party APIs and business systems . Strong knowledge of SQL and relational databases . Experience ...

Full Stack Software Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
ReactQuery Experience with Tailwind or similar CSS pre-processors Back end: proficiency in TypeScript and/or another OOP language such as C# or Java Strong SQL and NoSQL database knowledge REST and GraphQL APIs, and WebSockets Microservices architecture and containerisation AWS ecosystem including Lambda, Fargate, API Gateway and AppSync ...

Backend/API Engineer - Telecoms & Cloud JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
commercial environment. Strong understanding of REST, JSON and API design principles. Experience with one or more backend development languages such as C#, Java, Python, Node.js or PHP. Experience developing and integrating third-party APIs and business systems. Strong knowledge of SQL and relational databases. Experience with Git and modern software ...

Senior Quality Engineer

Location
Belfast, Northern Ireland, United Kingdom
Quality Engineering, Test Automation Development, or Software Testing. 2+ years building and maintaining automated test frameworks from the ground up using C#, Python, Java, JavaScript, or TypeScript with tools such as Selenium WebDriver, Cypress, Playwright, XCUITest, Espresso and Appium. Strong experience with API testing tools and frameworks (Postman, REST Assured ...

Senior Software Development Engineer in Test

Location
Belfast City District, Northern Ireland, United Kingdom
software testing experience in SaaS environments Strong proficiency in at least one object‐oriented programming language, ideally C#, though strong OO fundamentals in Java, Python or a similar language are equally welcome Extensive hands‐on experience with test automation frameworks and tools (e.g. NUnit, xUnit, Moq, SpecFlow/Reqnroll ...

Senior Kotlin Developer

Location
Belfast City District, Northern Ireland, United Kingdom
deeply embedded within our DNA. Invest in us and we’ll invest in you!. Job Description Developing software for clients using Kotlin and Java on the AWS Cloud platform, following best practice. In addition to Kotlin, this project utilises Typescript/Node.js using the GOV.UK Design System. Kubernetes ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
processors e.g. Tailwind* Back-end skills + Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) + Strong database knowledge (SQL and NoSQL) + Proficiency with RESTful APIs and GraphQL APIs and Websockets + Experience with microservices architecture + Knowledge of version ...

Senior Consultant - Full-stack Developer - DE - Technology Consulting - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
engineering excellence. Skills and attributes for success Strong professional full stack development experience, with increasing levels of responsibility. Strong backend development experience using Node.js, Java, Python, .NET or similar technologies. Proven ability to design and build scalable APIs and distributed systems. Solid experience with relational databases such as PostgreSQL ...

Senior Consultant - Full-stack Developer - DE - TC - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
engineering excellence. Skills and attributes for success Strong professional full-stack development experience, with increasing levels of responsibility. Strong backend development experience using Node.js, Java, Python, .NET or similar technologies. Proven ability to design and build scalable APIs and distributed systems. Solid experience with relational databases such as PostgreSQL ...

Senior Software Engineer (Full Stack) JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c#/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with ...

Mid & Senior Java Developers

Location
Belfast City District, Northern Ireland, United Kingdom
MCS Group is delighted to be partnering with a well-established company heavily invested its internal engineering capability. Following significant investment in digital transformation, they are growing their software team and looking for an experienced ...

Senior Staff Software Engineer

Location
Belfast, Northern Ireland, United Kingdom
scalable, distributed systems using open-source tools Proven hands-on experience with Object Oriented programming languages and with at least 1 scripting language (ex. Java/C++/etc. and Python/Ruby/etc.) Prior technical leadership and/or mentorship experience Experience with Agile methodologies Experience with writing ...

Manager - Full-stack Developer - DE - Technology Consulting - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
engineering excellence. Skills and attributes for success Strong professional full-stack development experience, with increasing levels of responsibility. Strong backend development experience using Node.js, Java, Python, .NET or similar technologies. Proven ability to design and build scalable APIs and distributed systems. Solid experience with relational databases such as PostgreSQL ...

Senior Full Stack Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
high-quality software. Experience across some of the following would be beneficial: TypeScript, JavaScript, React and modern front-end frameworks Backend development using TypeScript, Java, C# or another object-oriented language REST APIs, GraphQL and WebSockets AWS and modern cloud platforms Microservices and event-driven architectures SQL and NoSQL databases ...

Senior Data Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
technical implications of user stories and user journeys. Coaching and mentoring team members. M INIMUM ( ESSENTIAL ) REQUIREMENTS : Strong software development experience in one of Java, Scala, or Python Software development experience withdata-processing platforms from vendors such as AWS, Azure, GCP, Databricks. Experience of developing substantial components for large-scale ...

KDB+ Developer

Location
Belfast, Northern Ireland, United Kingdom
practices, CI/CD pipelines, and containerization (Docker, Kubernetes). Familiarity with monitoring tools (Splunk, Grafana, Prometheus, etc.). Background in C++, Python, or Java for integration with KDB+. Location & Workplace Type: This position takes on a Hybrid working model based in Belfast, NI. Why Choose KX? Data Driven ...

Site Reliability Engineer III

Location
Belfast City District, Northern Ireland, United Kingdom
mentor junior SRE colleagues. What We're Looking For Engineering & Scripting Discipline: Programming and scripting skills in high-level languages such as Python, Go, Java, or Bash to construct production-grade tooling. Cloud Native & Systems Fundamentals: Proficiency with Linux-based systems, distributed systems, containerization (Kubernetes/GKE), and public cloud ...