1 to 25 of 86 Permanent Java Jobs in Northern Ireland

Java Engineer (Spring Boot/AWS) Ocho People Technology Recruitment Java Engineer opportunity at a fast-paced digital product studio working closely with clients across a varied portfolio Spring Boot and microservices focused with AWS, TDD, BDD and Kubernetes Real mentoring culture and genuine room to learn, develop and grow … space for engineers to learn new technologies, develop their skills and grow their careers alongside some strong technical talent. The Role This is a Java Engineer position working as part of a close knit engineering team, reporting to the Head of Engineering. You will be responsible for developing high quality ...

years of software engineering experience, with demonstrated ownership of production systems throughout the full software development lifecycle and hands-on proficiency in React, Java, and Spring Boot. Minimum of 1 year demonstrated experience of coaching or mentoring engineers, with evidence of improving individual or team technical capability across full-stack ...

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 ...

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 ...

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 ...

this role. (Converted to tags where applicable in this refined version.) 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 ...

providing sponsorship for this vacancy. A minimum of 5 years software engineering experience in at least 3 programming paradigms to include:- Object-oriented (Java & Javascript required and at least one other language) Procedural/systems (e.g. Go, Rust, C) Functional (e.g. F#, Elixir, Clojure, Haskell) Experience using modern development tools ...

deliver high quality solutions under tight deadlines Nice to Have: Proficiency in WPF application development Experience with AWS serverless architecture and microservices Familiarity with Java, JavaScript or React Understanding of TDD, BDD or similar testing methodologies Why Apply? Salary up to £65,000 Hybrid working with a Belfast base Part ...

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 ...

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 ...

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 ...

providing sponsorship for this vacancy.* A minimum of 5 years software engineering experience in at least 3 programming paradigms to include:-Object-oriented (Java & Javascript required and at least one other language)Procedural/systems (e.g. Go, Rust, C)Functional (e.g. F#, Elixir, Clojure, Haskell)* Experience using modern development tools ...

Senior Consultant, Java Developer, Solutions, Engineering, AI & Data Basic information Location Belfast Business Line Technology & Transformation Job Type Permanent/FTC Date published 20-Jul-2026 Req 23173 Job descriptionConnect to your Industry Do you want to be at the heart of some of the biggest and most ambitious engineering … guiding us to deliver impact how and where it matters most. Connect to your opportunity Were on the lookout for a talented and experienced Java developer to join our rapidly growing team. Every day is different, requiring your in-depth knowledge of engineering and architectural principles to design and build ...

Citi is recruiting a Senior Software Engineer (Java or Python) to help shape tech for global finance. You will work on full‐stack development, leveraging Spring Boot, Flask/FastAPI, and modern JS frameworks. Expect cloud-native design, Gen‐AI concepts, and involvement across architecture, infrastructure, and AI integration. Hybrid ...

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 ...

approaches. Demonstrated interest in continuously improving cloud security controls through learning, experimentation, and collaboration. Proficiency in one or more modern programming languages (e.g., Python, Java, JavaScript), with the ability to write, review, and maintain production-quality code. Supervisory Responsibilities: This role has supervisory responsibilities and serves as the first level ...

Principal Java Engineer Ocho People Technology Recruitment At a Glance - Principal/Lead Java Engineer role in a high-performance financial technology environment - Core stack: Java, Spring Boot, AWS (SQS, SNS, Lambda, S3), event-driven and low-latency systems - Location and working model: TBC confirm with client before posting - Salary … team. The Role This is a senior individual contributor role with real technical influence. You will be designing and building complex, high-throughput Java microservices, contributing to architectural decisions, and working close to the metal on performance-critical components. The expectation is that you bring both depth and the ability ...

methodologies across geographically distributed teams Desirable/Nice to Have: Experience within financial services or trading platforms Knowledge of the FIX protocol Exposure to Java and/or JavaScript Why Apply? Salary up to £60,000 Hybrid working 3 days per week in Belfast Join a business at the forefront ...

methodologies across geographically distributed teams Desirable/Nice to Have: Experience within financial services or trading platforms Knowledge of the FIX protocol Exposure to Java and/or JavaScript Why Apply? Salary up to £55,000 Hybrid working 3 days per week in Belfast Join a business at the forefront ...

with container security best practices CI/CD pipeline experience (Jenkins, GitHub Actions, ArgoCD, or equivalent); GitOps workflow experience a strong plus Experience with Java applications and related J2EE technology stack Proficiency in scripting languages (Python, Bash, or Go preferred); experience with infrastructure‐as‐code tools (Terraform, or equivalent) Comfortable ...

right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript, Java, .Net Cloud platforms: AWS, GCP, Azure Other technologies: CI/CD, TDD What you can expect Work to agile best practices and cross-functionally with ...

## Senior Software Engineer (Java Or Python) - VPApplylocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26969354**Senior Software Engineer (Java Or Python)**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every … reporting control issues with transparency.**Key Skills and Experience required****Additional Job Description*** Experience in full‐stack application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React ...

Senior Software Engineer (Java Or Python) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From … reporting control issues with transparency. Key Skills and Experience required Additional Job Description Experience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React ...

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Need 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 and scripting languages Proven ability to design and maintain scalable automation frameworks, Playwright or WebDriverIO preferred Experience integrating automation within ...