Near Senior Back-End Software Engineer (.NET)
At Quento Technologies S.A., the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.
At Quento Technologies S.A. we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies S.A. seeks a highly motivated and experienced Near Senior Back-End Software Engineer (.NET) specializing in the Microsoft .NET ecosystem. The ideal candidate will be responsible for designing, developing, and maintaining the server-side logic for mission-critical financial applications. You will be a cornerstone of our development team, building the robust, secure, and high-performance services that power modern banking solutions.
This role requires a deep understanding of back-end architecture, database design, and the specific security and performance demands of the financial industry. You will work closely with front-end developers, business analysts, and project managers to deliver seamless and reliable technology solutions.
Your responsibilities will entail:
- Design, develop, and maintain scalable, secure, and high-performance back-end services and APIs using .NET Framework and .NET Core;
- Architect and implement robust data models and database solutions, primarily using MS SQL Server;
- Write clean, efficient, and maintainable code following industry best practices and company standards;
- Collaborate with front-end developers to define and implement RESTful APIs and ensure seamless integration;
- Participate in the entire agile software development lifecycle, from requirement analysis and planning to deployment and maintenance;
- Implement and enforce strict security and data protection measures, adhering to the compliance standards of the banking sector;
- Mentor junior engineers and contribute to technical discussions and architectural decisions;
- Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.