1 to 25 of 119 Permanent Java Jobs in Northern Ireland

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 ...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate ...

responsibility. Strong experience with JavaScript or TypeScript and modern front-end frameworks such as React, Angular or Vue. 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 ...

driven features, while contributing to the technical growth of the team.Essential Experience:Solid experience in software development, with proficiency in languages such as Python, Java, or C++, writing clean, efficient, and maintainable code for production grade AI solutions.Hands-on experience deploying AI/ML models to production environments, with ...

features, while contributing to the technical growth of the team. Essential Experience: Solid experience in software development, with proficiency in languages such as Python, Java, or C++, writing clean, efficient, and maintainable code for production grade AI solutions. Hands-on experience deploying AI/ML models to production environments, with ...

improvement and 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 or MySQL.Experience with ...

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 ...

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 ...

Experience: Typically 2+ years of relevant industry experience Foundational experience in software development, with working knowledge of Python (or a similar language such as Java or C++), and a willingness to develop clean, maintainable code under guidance. Some exposure to deploying or supporting AI/ML models — through academic projects ...

systems, optimizing performance, and maintaining the reliability of AI-driven features.Essential Experience:Extensive experience in software development, with proficiency in languages such as Python, Java, or C++. Emphasis on writing clean, efficient, and maintainable code for production-grade AI solutions.Proven experience in deploying AI/ML models to production environments ...

optimizing performance, and maintaining the reliability of AI-driven features. Essential Experience: Extensive experience in software development, with proficiency in languages such as Python, Java, or C++. Emphasis on writing clean, efficient, and maintainable code for production-grade AI solutions. Proven experience in deploying AI/ML models to production ...

right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure CI/CD: Jenkins ...

deeply embedded within our DNA. Invest in us and we’ll invest in you!. Job DescriptionDeveloping 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 and Docker ...

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 with data-processing platforms from vendors such as AWS, Azure, GCP, Databricks. Experience of developing substantial components for large ...

teams, and mentor junior SRE colleagues.What We're Looking ForEngineering & 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 platforms ...

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 ...

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 ...

Citibank (Switzerland) AG in Belfast is seeking a Senior Software Engineer (Java or Python) to co-create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. You will ...

Competences Essential Extensive experience in QA automation within Agile environments. Strong automation experience using tools such as Selenium, Cypress, Playwright, or TestComplete. Proficiency in Java, JavaScript, or similar programming/scripting languages. Proven ability to design and maintain scalable automation frameworks (Playwright/WebDriverIO preferred). Experience integrating automation within ...

technologies such as Docker or Kubernetes, and experience deploying or operating on cloud platforms. Expertise in at least one major programming language such as Java or Python, combined with extensive practical experience using testing frameworks and tools such as JUnit, TestNG, Selenium, Playwright, Cucumber, or Postman. Experience building and maintaining ...

Experience within financial services/trading platforms and understanding of financial markets. Knowledge of the FIX protocol and experience managing FIX connectivity. Exposure to Java and/or JavaScript. Deeper expertise in AWS services, including serverless architectures and microservices. Experience with TDD, BDD, or similar engineering practices for defining ...

containerisation technologies such as Docker or Kubernetes, and experience deploying or operating on cloud platforms.Expertise in at least one major programming language such as Java or Python, combined with extensive practical experience using testing frameworks and tools such as JUnit, TestNG, Selenium, Playwright, Cucumber, or Postman.Experience building and maintaining shared ...

OAuth 2.0, OpenID Connect, and SAML Experience supporting Security Operations, Incident Response, SOC, or breach modeling activities Strong software engineering background with experience in Java, JavaScript, Python, Go, Rust, or other modern programming languages Experience designing and reviewing RESTful APIs and API-first architectures using specifications such as OpenAPI ...

Solid understanding of CI/CD pipelines, ideally with a background in software engineering, product management or data analytics. Strong proficiency in Python or Java, SQL, and data pipeline frameworks (e.g., Airflow, dbt, Spark), with solid experience with the AWS ecosystem. Excellent problem-solving skills and ability to work ...

implementation.Oversee production support processes, collaborating with operations and business stakeholders. Analyze issue patterns to drive improvements. Guide documentation efforts.Key Skills and Experience required:Java & Test-Driven Development are essential.React Front End DevelopmentExtensive experience system analysis and in programming of software applicationsExperience in managing and implementing successful projectsSubject Matter Expert ...