Kemal Yanmaz
Senior Software Developer
Derince,41
Summary
Senior Software Developer with 4+ years of experience in C#/.NET and Azure cloud solutions, specializing in microservices architecture and DevOps practices. Proven track record of delivering scalable solutions for enterprise platforms serving 7,000+ users across 9 microservices. Expertise in full-stack development, CI/CD pipelines, and production support with demonstrated leadership capabilities. Successfully reduced Mean Support Time to single digits while maintaining 99.9% system uptime. Strong background in agile development, incident management, and cross-functional team collaboration.
Overview
5
5
years of professional experience
1
1
Certification
Work History
L2&L3 Support and Senior Developer
Authority Partners
12.2021 - Current
- Progressively advanced through multiple roles, starting as a Software Developer and transitioning into Support Developer (L2 & L3) and Mid/Senior Developer roles.
- Contributed to the development of internal and external systems used by thousands of users, supporting up to 7,000+ users across 9 microservices.
- Delivered 15+ high-impact features and resolved 200+ critical bugs, improving system performance by 25% and enhancing user experience for global sales platform users.
- Resolved incidents swiftly, reducing active MST (Mean Support Time) counts to single digits and maintaining 99.9% system uptime through effective root cause analysis and KPI reporting.
- Provided on-call support for high-priority (P1) issues within SLA targets, ensuring continuous and uninterrupted operations.
- Assumed interim team leadership responsibilities during manager absences, mentoring 3+ junior developers and coordinating with solution architects to drive system improvements and cross-functional project delivery.
- Applied DevOps practices using Azure DevOps, Docker, and CI/CD pipelines for release management, monitoring, and automation workflows.
- Worked across full-stack technologies including C#/.NET (backend), React/JavaScript (frontend), and Azure cloud infrastructure.
Freelance Developer
Armut.com
02.2021 - 12.2021
- Developed a comprehensive factory management system using PHP and MySQL for tracking production processes and managing customer sales relationships, serving as the sole developer throughout the project lifecycle.
- Built end-to-end solution including inventory management, production tracking, customer relationship management, and sales reporting modules for a manufacturing facility.
- Provided ongoing technical support and maintenance for the legacy system until the client's migration to API-based architecture, ensuring seamless business continuity.
- Delivered full-stack development covering database design, backend logic, and user interface implementation to meet specific manufacturing industry requirements.
Education
Bachelor of Math - 100% English
Abant Izzet Baysal University
Bolu, Turkey06.2021
Skills
Problem Solving
Certification
Microsoft: Azure Fundamentals | Azure Developer Associate
Timeline
L2&L3 Support and Senior Developer
Authority Partners
12.2021 - Current
Freelance Developer
Armut.com
02.2021 - 12.2021
Bachelor of Math - 100% English
Abant Izzet Baysal University