76 to 100 of 135 Java Jobs in Northern Ireland

Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiThe Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems.This role is within the FiTP team in Belfast, United Kingdom. The successful … changes in expectations or requirementsExperience required Solid understanding of software development fundamentals including data structures, design patterns and object-orientated programming. Proficiency in core Java demonstrable success in developing multi-threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling.Spring Framework (and Spring Boot): This ...

providing great business benefit. This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role is to drive applications development through programming activities. Responsibilities Platform Support & Enhancement: Build and maintain common solutions … meet performance and scalability requirements Comfortable in using AI based coding assistants and AI powered SDLC processes Mandatory Skills Strong commercial experience as a Java developer. This will be tested during interview stage Experience in REST API and authentication mechanisms (OAuth/Basic Authentication) Messaging Systems experience ...

development within the project using latest technologies. You will be creating best in class documentation with our client users in mind. Qualifications 5+ years Java development experience Experience with the Spring framework (Spring Boot 1 & 2) for the development of new or existing Microservices SQL databases (Oracle or PostgreSQL) Familiar ...

will shape future-state architecture, promote CI/CD and automated testing, and collaborate on design, planning, and documentation. The role requires strong Java and React experience, plus a track record of delivering complex projects within a regulated financial services environment. You’ll work in Belfast with a global team ...

Strong academic background in business, finance, engineering, mathematics, science, or technology Demonstrable track record of developing successful software solutions in programming languages such as Java/C++/Python Competency in using deployment tools such as Jenkins or TeamCity Strong initiative, with a proactive attitude and enthusiasm for learning ...

Strong academic background in business, finance, engineering, mathematics, science, or technology Demonstrable track record of developing successful software solutions in programming languages such as Java/C++/Python Competency in using deployment tools such as Jenkins or TeamCity Strong initiative, with a proactive attitude and enthusiasm for learning ...

another regulated, data-heavy domain Experience with MCP server development Experience with time series or analytical databases (kdb+/KDB-X, ClickHouse, Oracle) Python, Java and TypeScript Experience deploying models on-premise or in a locked-down cloud environment Who does well here People who are honest about what they ...

skills who can create, build and sustain internal and external relationships, with the ability to lead diverse teams.Essential: SAP Basis skills including: ABAP and Java experienceManaging TransportsKernel patching, host agent update, DB patching, SAP Notes, saprouter install and update,Version Upgrades and Support Package Stack patchingSystem copies & refreshesLog and trace ...

email security. Good knowledge of common malware threats and attack methodologies. Good knowledge of scripting languages and programming languages (PowerShell, Python, Bash, .NET, Ruby,Java, C, etc.). Experience with Infrastructure as Code. Desirable Professional Certifications: GCIA, GCIH, GCFE, GCFA, Security+, CCNA CyberOps, OSCP, GPEN, GWAPT, CEH, CySA+. CORE COMPETENCIES ...

Engineering Team Lead At-a-Glance Senior hands-on leadership role spanning people management, architecture, and delivery C#, Java or similar modern backend stack within a distributed, cloud-native environment Hybrid working, Belfast-based Join a globally operating business at Manager level, with real influence over engineering standards and team … Agile environment, with a strong track record of delivery Hands-on software engineering background in at least one modern language, such as C#, Java, or similar Demonstrable experience designing and building distributed, event-driven, or cloud-native systems Practical experience with CI/CD pipelines and source control (e.g. ...

Citigroup Inc. is seeking a Senior Software Engineer (Java or Python) to help shape next‐gen financial software. You will engage in full‐stack development, leverage Spring Boot/Core and Flask/FastAPI, and build cloud‐native solutions with modern JS frameworks. You will also explore Gen‐AI concepts ...

institutions. You will work in a dynamic, collaborative environment, applying your KDB+/Q expertise across the software lifecycle. The role requires experience in Java/C++/Python, strong analytical capabilities, and enthusiasm for learning new tools and technologies while delivering robust financial services solutions. #J-18808-Ljbffr ...

architecture, and contribute across the software lifecycle. Ideal candidates will have 3+ years in a software role with KDB+/Q, plus experience in Java, C++, or Python, and familiarity with Jenkins or TeamCity for deployments. #J-18808-Ljbffr ...

testing such as Jenkins and/or TeamCity, within a continuous integration environment.Practical knowledge of at least one object-oriented programming language (e.g. Java).A high level of technical awareness and a sound understanding of software architectures.We are passionate about developing people – experience in managing others, setting objectives, giving feedback ...

testing such as Jenkins and/or TeamCity, within a continuous integration environment. Practical knowledge of at least one object-oriented programming language (e.g. Java). A high level of technical awareness and a sound understanding of software architectures. We are passionate about developing people experience in managing others, setting ...

Citi’s systemic stability and drive informed, data-driven decision-making.Role Overview/What will you do:Develop and implement complex software solutions using Java/J2EE, Spring Boot, and RESTful web services.Design, develop, and maintain robust microservices adhering to architectural best practices.Apply hands-on expertise in Core Java, including … developers, fostering a culture of excellence, collaboration, and continuous improvement.Key Skills and Experience required:Experience in developing and implementing complex software solutions.Strong knowledge of Java/J2EE, Spring Boot, and RESTful web services (XML, JSON).Proven experience working with Microservices Architecture.Hands-on experience with Core Java, Multi-threading, Collections framework ...

systemic stability and drive informed, data-driven decision-making. Role Overview/What will you do Develop and implement complex software solutions using Java/J2EE, Spring Boot, and RESTful web services. Design, develop, and maintain robust microservices adhering to architectural best practices. Apply hands‐on expertise in Core Java … culture of excellence, collaboration, and continuous improvement. Key Skills and Experience required Experience in developing and implementing complex software solutions. Strong knowledge of Java/J2EE, Spring Boot, and RESTful web services (XML, JSON). Proven experience working with Microservices Architecture. Hands‐on experience with Core Java, Multi‐threading, Collections ...

deeply embedded within our DNA. Invest in us and we’ll invest in you!. Job DescriptionWe are seeking an experienced Full Stack Java Technical Lead to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly, offering opportunities to achieve medium and long-term career goals. …/CD pipelines, and SOLID/DRY principles.Technical Skills: Hands-on experience with the following technologies:Frontend: JavaScript/TypeScript, Angular, React, Node.Backend: Java, Spring Boot, Hibernate. Desirable Kotlin.Estimation and Sizing: Experience in estimation and sizing.Integration and API Design: Experience in integration and API design.Cloud Experience: Proficiency in cloud technologies.Emerging ...

drives the improvement* Works alongside Site Reliability Engineers and cross functional teams to diagnose/troubleshoot any production performance related issues* We work in Java, Golang, and Python. Our systems are built on top of Docker, Kubernetes, MongoDB, ELK, TimescaleDB, GCP - Stackdriver, GCS, Cloud composer, AI PlatformAbout You* A desire … build products that solve complex technical problems for end users* 7+ years experience developing highly scalable, distributed applications, products and services in Java and Golang* Designing/developing REST, GRPC and GraphQL APIs* Working knowledge of SQL and No-SQL database technologies* Solid foundation in data structures, algorithms and software ...

translating strategic transformation priorities into measurable operational outcomes.What you’ll doApplication Development Technology Lead is a senior level position responsible forDesign, build, and enhance Java based backend services and Python enabled components for enterprise scale applicationsOwn end‐to‐end delivery of features from design through production rollout Collaborate with global … technical guidance, and hands‐on collaborationEnsure applications meet Citi standards for security, stability, and controlWhat we’ll need from youStrong hands‐on experience with Java (Spring Boot/Core); working knowledge of Python or strong willingness to ramp up quickly Full‐stack mindset with exposure to modern frontend frameworks (React ...

production, collaborating with Traders, Quants, and Global Technology to optimize latency in a hybrid Belfast setting. The role requires significant KDB+/q experience, Java and Python skills, and a strong background in low-latency systems. A bachelors degree is essential; hybrid work up to 2 days remote per week ...

join a Global team delivering real-time market data systems, with a focus on low-latency performance and scalable analytics. Strong KDB+/Q, Java and Python skills are required, along with Linux/UNIX expertise. The role offers hybrid work up to 2 days remote per week, a competitive ...

developer role. At least 2 years’ professional experience of Supporting and developing business systems using high-level programming languages such as C#.NET, Java, PHP or Classic ASP. Experience with modern CSS frameworks and styling libraries (Bootstrap, Tailwind CSS, Foundation) Demonstrable knowledge of relational databases and experience of developing applications with ...

deliver quality, business critical software.● Support operation of services in production. ****Core Competencies:**** ● 2+ years of systems programming experience in Rust, C, C++, Go, Java or a comparable language with enthusiasm to write production Rust (we will help you ramp up with dedicated mentorship!). ● Understanding of data structures ...

deliver quality, business critical software. Support operation of services in production. Core Competencies 2+ years of systems programming experience in Rust, C, C++, Go, Java or a comparable language with enthusiasm to write production Rust (we will help you ramp up with dedicated mentorship!). Understanding of data structures ...