Job Location : all cities,AR, USA
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
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