15 of 15 OOP Jobs in Belfast

Senior Software Development Engineer in Test

Location
Belfast City District, Northern Ireland, United Kingdom
related field OR equivalent commercial experience Minimum 5 years of 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 ...

AI Native Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
with agentic AI workflows and steering techniques for reliable automation Ability to ensure alignment with architectural patterns, coding standards and performance Strong Object Oriented Programming skills (e.g. Java, Python, C#) Experience with CI/CD pipelines and DevOps practices Knowledge of cloud platforms (AWS, Azure ...

.NET Developer, Consultant, Manager

Location
Belfast City District, Northern Ireland, United Kingdom
Experience designing, developing, and securing RESTful APIs using ASP.NET Core Web API, including threat assessment throughout the development process. Deep understanding of object‐oriented programming principles (SOLID), design patterns, dependency injection, and secure coding practices. Experience deploying and managing .NET applications using containerisation technologies (Docker, Kubernetes). ...

Sr. Software Engineer (Python, C#)

Location
Belfast City District, Northern Ireland, United Kingdom
your mark on ambitious projects What You Bring to the Team The XFI team’s tech stack includes: Python 3.10 or Other Object‐Oriented Programming languages are a bonus C# is applicable to one of our key services AWS Services such as SQS, SNS ECS, ECR, Lambda ...

Test Automation Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Skills & Experience Active SC Clearance Strong software development experience in one or more of: Java C# Python JavaScript/TypeScript Understanding of: Object-Oriented Programming SOLID Principles Design Patterns Refactoring Code Reviews Experience developing: Automation Frameworks Engineering Tools APIs Web Applications Distributed Systems Experience working in Agile ...

Senior Software Engineer - Full Stack

Location
Belfast City District, Northern Ireland, United Kingdom
skills across JavaScript, HTML5 and CSS Commercial React experience or strong modern JavaScript experience Experience building responsive, customer-facing web applications Strong knowledge of OOP, SOLID principles and design patterns Experience with Microsoft SQL Server Ability to write clean, reusable and scalable code Strong analytical and problem-solving skills Excellent ...

Product Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Experience with AI-drive agentic engineering tools (e.g. Claude Code, Replit, GitHub Copilot) including deployment to cloud services such as Azure, AWS, GCP. Strong OOP skills (Java, Python or C#). Experience with CI/CD pipelines and DevOps practices Hands-on full-stack development skills, with the ability ...

Senior Java Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
What we're looking for Strong commercial experience with Java and Spring Framework/Spring Boot Good understanding of multithreading, concurrency and object-oriented programming Experience with SQL, Oracle PL/SQL and Linux Knowledge of network programming and backend application development Experience with automated testing ...

Senior Java Applications Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Utilize Spring Framework effectively for application development.* Work extensively in creating and optimizing SQL queries.* Ensure adherence to software engineering best practices, object-oriented programming (OOP) principles, and design patterns.* Contribute to the continuous integration and continuous delivery (CI/CD) pipelines.* Manage source code effectively using … working with Microservices Architecture.* Hands-on experience with Core Java, Multi-threading, Collections framework, and Spring Framework.* Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines.* Experience with source code management tools (Git).* Understanding of clean coding principles and code quality measurements using ...

Lead Java Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Utilize Spring Framework effectively for application development. Work extensively in creating and optimizing SQL queries. Ensure adherence to software engineering best practices, object-oriented programming (OOP) principles, and design patterns. Contribute to the continuous integration and continuous delivery (CI/CD) pipelines. Manage source code effectively using … implementing event-driven systems usingApache Kafka, including topic configuration, producer/consumer APIs, and stream processing. Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines. Experience with source code management tools (Git). Understanding of clean coding principles and code quality measurements using tools ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
Websockets + Experience with CSS pre-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 … detail, highly organised with a proactive approach.* Strong analytical ability and innovative problem solving skills.* Software Design Patterns.* Source control (Git).**Desired:*** OOP \\ SOLID Principles.* Demonstrable experience of C# (.Net 8+) in a professional environment.* Contribution to open-source projects.* Experience of regulatory driven projects.* Knowledge of Financial Markets ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
GraphQL and Websockets Experience with CSS pre-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 … detail, highly organised with a proactive approach. Strong analytical ability and innovative problem solving skills. Software Design Patterns. Source control (Git). Desired OOP/SOLID Principles. Demonstrable experience of C# (.Net 8+) in a professional environment. Contribution to open-source projects. Experience of regulatory driven projects. Knowledge of Financial ...

Senior Medical Device Electrical Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Experience with schematic capture and PCB layout tools. Experience using circuit analysis tools, test automation concepts, software-to-hardware interface tools, and object-oriented programming languages such as C, C++, or C#. #IJ United Kingdom Pay Ranges: United Kingdom : £44,700 - £74,500 GBP Annual At Stryker ...

Hybrid Belfast: AI-First Product Engineer with Ownership

Location
Belfast City District, Northern Ireland, United Kingdom
with Claude-based MCP workflows, prototype AI features, and collaborate with product and business stakeholders. The role requires hands-on full-stack capabilities, strong OOP skills, and experience with cloud deployments. You will help shape engineering standards and drive rapid learning in a fast-growing tech-enabled advisory firm. #J ...

Staff Electrical & Electronics Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
POSITION SUMMARY: The role involves design and development of innovative defibrillator technology and support systems with an opportunity to apply design, creativity, and professional and technical expertise to save lives. This is an R&D ...