1 to 25 of 72 Java Jobs in Belfast

Senior Java Engineer's - Spark Belfast (Hybrid) Were looking for experienced Senior Java Engineer's to join an exciting data-driven project! This role involves active development (no support work) on a batch data processing platform, working across both greenfield and existing project streams. Some elements of the work will … also involve moving from Oracle to big data technologies. Key Requirements: Extensive Java Development Experience Strong knowledge of Java 11+ and modern Java frameworks Experience writing efficient, scalable, and high-performance Java applications Familiarity with multithreading, concurrency, and distributed computing Big Data & Distributed Systems Knowledge: Strong understanding of how distributed … Performance tuning for Spark-based applications Database & Storage Experience: Comfortable working with relational databases (e.g., Oracle, PostgreSQL) Exposure to big data storage solutions Skills: Java spark java 11 Java Programming More ❯

etc) 5+ years' experience specifically with microservices development 2+ years hands-on web services design and development experience Proficient in two or more of Java, JavaScript, Python, Scala, C++/C#/.Net and React or Angular Containerized software applications, platforms, and tools including Kubernetes, Docker Good understanding of software More ❯

patterns, including microservices and message-driven architectures Hands-on developing/coding experience using the following technologies: Frontend ( React,Angular, JavaScript, TypeScript) Backend ( Node.js, Java, Spring Boot, Hibernate) NFR/Non-Functional requirement understanding and experience developing applications with this in mind Strong experience with Test-Driven Development (TDD) approach More ❯

across multiple platforms and technologies. Demonstrated expertise in architecting cloud-based or hybrid systems. Technical Skills: Proficiency in one or more programming languages (e.g., Java, Python, C#). Strong understanding of cloud platforms (e.g., AWS, Azure, Google Cloud) and cloud-native architectures. Experience with APIs, microservices, containerization (Docker, Kubernetes), and More ❯

Do you dream in Java? Do you get excited about distributed systems? Does the idea of tackling greenfield projects make you excited? The Gig: Were on a mission to build a next-levelplatforma mix of shiny new greenfield work and some exciting enhancements to existing systems. No boring support workjust … pure, hands-on development withcutting-edge tech. The Tech Stack: - Java (11+) Youve got strong, commercial, hands-on experience - Spark Ideally, youve dabbled (or mastered) - Finance/Banking experience? Cool, but not a deal-breaker The Perks: - A modern Belfast office Close to great food, good coffee, and (more importantly … working together -Top-tier clients Youll be working on high-impact projects with some of the biggest names in finance & tech If you love Java, Big Data, and solving real-world challenges, then this is your chance to make an impact while working with a fantastic, high-performance team. Interested More ❯

Computer Science, Software Engineering, or a related field. 2+ years of experience in software development, with proficiency in one or more programming languages (e.g., Java, C#, Python, etc.). Experience in designing and developing API services and RESTful applications. Familiarity with databases (SQL and NoSQL) and cloud technologies (AWS, Azure More ❯

skills and welcomes the opportunity to collaborate in a tight knit, agile team-oriented group. Strong coding ability within Object oriented languages such as Java, C# or C++ A passion for software engineering; examples of work you have completed outside of the core curriculum is a plus. A strong desire More ❯

skills and welcomes the opportunity to collaborate in a tight knit, agile team-oriented group. Strong coding ability within Object oriented languages such as Java, C# or C++ A passion for software engineering; examples of work you have completed outside of the core curriculum is a plus. A strong desire More ❯

Senior Java Developer FinTech | Belfast City Centre | Hybrid (23 Days Onsite) Permanent | Competitive Salary + Benefits Are you a seasoned Java Developer with a background in FinTech, looking to take the next step in your career? Were working with a cutting-edge company in the heart of Belfast City Centre … thats building robust, scalable financial solutionsand theyre on the lookout for a Senior Java Developer to join their growing team. The Role: As a key member of the engineering team, youll drive the design and development of high-performance APIs and cloud-native services. Youll play a hands-on role … shaping architecture decisions, mentoring junior developers, and collaborating in a fast-paced Agile environment. What Youll Be Doing: Developing secure and scalable APIs using Java (Spring Boot) Designing containerised services with Docker and deploying via Kubernetes Working cross-functionally with Product and DevOps teams Driving best practices in software engineering More ❯

s degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or React Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency More ❯

s degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or React Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency More ❯

scalable, resilient and secure distributed applications. Software engineering experience in both on-premises and cloud environments. Proficiency in one or more modern programming languages (Java, Python). Hands-on experience in software product development utilizing technologies, tools, and frameworks such as Tomcat, TC Server, VertX, Spring, GIT/Stash, Sonar More ❯

testing, exploratory, systems integration and user acceptance testing e.g. manual testing. Confident with building and maintaining frameworks in one or more of these languages: Java, JavaScript, Python, or C#. Have practical experience with open source tools such as: Cypress, Karate, PlayWright, Selenium or similar. Worked in an agile environment. Develop More ❯

Continuously improve the test automation framework and processes. Contribute to improving team processes and methodologies and following best practices. Essential Criteria Competent in Python, Java or alternative object-oriented language(s). Competent working in a Linux command line driven environment. Experience of writing and refactoring both manual and automated More ❯

Leading development and software project delivery. Any one of WPF, WinUI, Blazor, MAUI, Xamarin, Avalonia, Flutter, Electron, React Native A second programming language. (Python, Java, C++) Communicating with and controlling embedded devices using wired and wireless communication protocols Using an ORM NET Core , ASP.NET Core Web API Coding mathematical algorithms More ❯

expertise in secure software development, secure coding practices, and OWASP Top 10/CWE 25. Strong technical proficiency in modern programming languages (e.g., Python, Java, JavaScript, Go, or C#). Experience with cloud-native security (AWS, Azure, GCP) and securing containerized environments (Docker, Kubernetes). Proficiency in security testing tools More ❯

visibility to stakeholders. Ideal Candidate: At least 3 years of experience in Data Engineering or a similar role. Proficiency in programming languages like Python, Java, or Go. Experience with cloud platforms (Azure, AWS, or GCP). Strong skills in writing SQL queries. Experience with ETL tools (Fivetran, Azure Data Factory More ❯

related technical discipline (or equivalent experience) 4+ years hands on software development experience with at least 2 years working with strongly-typed languages (Go, Java, C, etc.) Demonstrated proficiency writing maintainable, high quality, robust code Experience in designing and developing micro services in one or more cloud computing services (AWS More ❯

modern DevOps workflows. Familiarity with Agile methodologies, particularly SCRUM or Kanban, and experience leading such teams. Proficiency in at least one modern programming language (Java, JavaScript, .NET preferred). Strong interpersonal and communication skills, with the ability to engage both technical and non-technical stakeholders. Expertise in engineering standards including More ❯

or ECS, IAM, VPC networking, S3. Networking and Linux system administration skills. Comfortable with one or more of the following languages: Python, Ruby, Javascript, Java, Bash. Working knowledge with one or more of the following - Terraform, CloudFormation, Chef, Ansible, Puppet. Passionate about Cloud Security and developer experiences. Goal-driven, positive More ❯

scalable, resilient and secure distributed applications. •Software engineering experience in both on-premises and cloud environments. •Proficiency in one or more modern programming languages (Java, Python). •Hands-on experience in software product development utilizing technologies, tools, and frameworks such as Tomcat, TC Server, VertX, Spring, GIT/Stash, Sonar More ❯

Google Cloud Platform Knowledge of change management. Expertise in Chef Expertise in Jira, GIT, Jenkins or Bamboo Expertise in configuration management. Knowledge of Ansible, Java Prior experience working in financial services/exchange space. Company Benefits: Bonus Programme Equity Programme Employee Stock Purchase Plan (ESPP) Private Medical and Dental coverage More ❯

compound business requirements quickly, and to define clear acceptance criteria. Prior experience building out robust test automation and BDD frameworks Coding experience with Python, Java or other comparable object-oriented languages Strong SQL skills (Oracle/PostGreSQL) Familiarity with testing REST API's and API testing frameworks Experience of modern More ❯

Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and More ❯

with strong communication skills Proficient in AWS services, including EC2, RDS, EMR, VPC networking, S3, etc. Comfortable with one or more of: Python, Ruby, Java, Groovy, Bash Working knowledge with one or more of: Terraform, Ansible, Kubernetes, Podman Familiar with Istio, Karpenter, Kong, Cassandra, ElasticSearch, Jenkins, Argo, Spinnaker, Git Linux More ❯