Senior Software Engineer (Backend)

About the Role

Our client is seeking a talented and experienced Senior Software Engineer with a specialization in backend development to join their growing team in Belfast . You will play a key role in designing, building, and maintaining the server-side logic and APIs that power our client's innovative products. This position offers the opportunity to work on challenging technical problems, contribute to architectural decisions, and mentor junior engineers within a collaborative and fast-paced environment. If you are passionate about writing clean, efficient, and scalable code, and want to make a tangible impact, this role in Belfast is ideal for you.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance backend services and APIs using languages like Java , Python , or Node.js .
• Collaborate with cross-functional teams, including front-end developers, product managers, and QA engineers, to deliver features.
• Optimize application performance, database queries, and system architecture for efficiency and scalability.
• Write comprehensive unit, integration, and end-to-end tests to ensure code quality and application stability.
• Participate in code reviews, provide constructive feedback, and contribute to establishing coding standards and best practices.
• Troubleshoot and resolve complex technical issues in production and development environments.

Requirements

• 5+ years of professional experience in backend software development.
• Strong proficiency in one or more server-side programming languages (e.g., Java, Python, C#, Node.js).
• In-depth knowledge of database systems (SQL and NoSQL), including design, optimization, and management.
• Experience with cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker).
• Solid understanding of software design patterns, data structures, and algorithms.
• Excellent problem-solving skills and the ability to thrive in a hybrid working setting in Belfast .

Benefits

• Competitive salary with performance-based incentives.
• Comprehensive health, dental, and vision insurance plans.
• Generous paid time off and holiday allowance.
• Professional development opportunities, including training and conference budgets.
• A vibrant and supportive team culture offering a blend of office and remote work in Belfast .