• Led design of software solutions, providing consultancy to other team members to improve software design and coding output.• Defined, implemented and enforced software best practices, templates and standards to improve team performance.• Provided full technical support for various projects, acting as technical point of contact to deliver consistency and communication across teams.• Selected technologies aligned with teams' skills and experience to best pursue application development.• Defined and implemented system structure, interfaces and guiding principles to follow software design best practices.• Investigated technical issues and faults relating to software and test systems, delivering swift and comprehensive resolutions.• Reviewed developers code, verifying development standards are adhered to and code is reused where appropriate.• Led a team in developing innovative solutions for retail applications and services using .NET C#, MVC, SQL, and RabbitMQ.• Designed and developed RESTful Web APIs, enabling seamless communication between various modules and external systems including payment and loyalty integrations for the biggest retailers in Turkey• Followed Agile/Scrum methodologies by using Azure Devops• Designed and developed CI/CD pipelines

• Designed and developed high performance and secure embedded fiscal software in C++ which is certified by “Common Criteria” authorities.• Worked on secure communication and storage with RSA, TLS, AES and Diffie-Hellman EC.• Developed new, efficient and well-tested code for variety of different software projects.• Developed testable software using agile methodologies to create high-quality deliverables• Worked closely with other team members to identify and remove software bugs.• Worked with developers to construct algorithms and flowcharts.• Liaised with departments to address technical issues, software system design and maintenance.• Troubleshoot and debugged software to check and rectify discrepancies.• Integrated software components and third-party apis to add extended functionalities• Wrote clean and dynamic code, leveraging expertise across multiple programming languages to meet diverse requirements.

• Troubleshoot and debugged software to check and rectify discrepancies.• Maintained and extended existing POS software developed in Germany for local customers in Java SE.• Worked on fiscal and payment integrations• Amended existing software to upgrade interfaces and elevate performance.• Developed payment integrations and fiscal implementations for existing software