As Roof Stacks, we have been carrying out innovative projects since 2015. We aim to become a global actor in Tourism Systems, Extended Reality(AR/VR), Blockchain Technologies, Game Development, and Financial Technology, which are our areas of expertise.
We focus on creating a difference with the technologies we develop and designing the future. We have strengthened our position in the global market by opening a new office in Austin, USA, which hosts world technology giants from all over the world.
💼 Responsibilities:
- Design, develop, and maintain secure, high-volume, 24/7 active transactional systems- Contribute to architecture and design, with a focus on API Gateway layers and microservices- Analyze complex business requirements and collaborate with cross-functional teams- Write clean, scalable, testable code following modern development best practices- Participate actively in Agile methodologies (Scrum, Kanban)- Provide technical insight during design, implementation, and testing phases- Define and execute test and research activities based on business needs- Ensure customer expectations are fully understood and reflected in project outcomes
✅ Requirements:
- Experience in developing software for large-scale, enterprise-level projects- Strong command of object-oriented programming (OOP) principles- 7+ years of experience in software development- Proficiency in .NET (C#) and/or Java is highly preferred- Prior experience in Virtual POS (Sanal POS) projects is a strong plus- Alternatively, experience in internet-facing, high-security, high-availability, transactional systems- Solid understanding of Payment Systems- Familiarity with Mastercard, Visa, BKM process simulators- Knowledge of EMV, Switch, Provisioning, Dispute Management- Understanding of Card Production and Smart Card Technologies- Experience in Merchant Management and POS operations- Strong analytical, communication, and problem-solving skills- Ability to prioritize, plan, and deliver tasks effectively- Demonstrated ability to understand and align with customer and business expectations