Habtamu B

Senior C#/.NET Software Engineer with 14+ years of experience delivering enterprise-grade solutions across the full Microsoft technology stack. Specialized in healthcare information systems, digital identity, and biometric systems, with proven expertise in system architecture, API integration, database engineering, CI/CD, and enterprise application development. Combines deep technical proficiency with strong business acumen, translating complex operational requirements into scalable, maintainable software solutions.

Track record of end-to-end project ownership—from requirements analysis and architecture through development, deployment, and production support. Open to international relocation for senior engineering and architecture roles.

Senior Software Developer - Self-Employed / Consultant - Addis Ababa, Ethiopia

(2012-01)

Delivered custom software solutions to hospitals, healthcare organizations, private-sector clients, and government/identity projects across Ethiopia.

• Architecture & System Design: Architected and developed 15+ full-scale desktop and web applications using C#, .NET, and SQL Server. Designed modular, maintainable architectures following MVC, Repository, and Dependency Injection patterns.
• Backend & API Development: Built robust backend systems and RESTful APIs enabling seamless data exchange between healthcare systems, identity platforms, and third-party services. Integrated payment gateways, laboratory systems, pharmacy modules, and biometric devices into unified platforms.
• Database Engineering: Designed, normalized, and optimized SQL Server databases for large-scale healthcare records, biometric identity data, and transactional systems. Applied advanced T-SQL optimization and indexing strategies to significantly improve query performance for complex datasets.
• Digital Identity & Biometrics: Developed and integrated digital identity solutions using fingerprint biometrics for identity enrollment, verification, and identification. Integrated biometric fingerprint devices and SDKs with C#/.NET applications and backend databases. Designed database structures for secure storage and retrieval of biometric identity records. Implemented biometric matching workflows for identity verification and duplicate detection.
• Front-End Development: Built responsive, accessible web interfaces using JavaScript, HTML5, CSS3, and Bootstrap. Enhanced user experience with jQuery and AJAX.
• DevOps & Deployment: Implemented CI/CD pipelines with Azure Pipelines, automating build, test, and deployment processes. Containerized applications with Docker for consistent runtime environments across development, testing, and production.
• System Integration: Integrated third-party lab equipment, external healthcare systems, biometric fingerprint devices, and payment gateways using HL7 (familiar), custom APIs, and device SDKs.
• Project Leadership: Managed full SDLC—requirements gathering, prototyping, development, testing, UAT, deployment, training, and post-launch support. Collaborated directly with hospital administrators, government agencies, department heads, and end-users to translate operational needs into technical solutions.
• Production Support: Provided ongoing technical support, troubleshooting, and maintenance for live systems. Implemented database backup, restore, and recovery procedures ensuring business continuity.
• Client & Stakeholder Management: Worked directly with clients to understand business requirements, provide technical guidance, and deliver production-ready systems. Conducted user training and created comprehensive technical documentation.

Advanced Diploma - Computer Programming - NIIT — India-based IT Education Center

Coursework - Mathematics - Addis Ababa University