Berkay Sümer
@berkaysmer
Full-Stack .NET Core & React developer with healthcare and supply chain expertise.
What I'm looking for
I am a full‑stack developer and industrial engineer specializing in scalable .NET Core and React/TypeScript applications for healthcare and supply chain domains. I focus on clean, performant code, maintainable architecture, and bridging technical teams with user needs.
I have built backend microservices (Entity Framework Core, .NET Core), Node.js/TypeORM integrations with Oracle and PostgreSQL, and responsive web and Electron desktop front ends. My solutions, including AstorePlus 3.0 and Magneto, have been deployed in multiple countries and used in dozens of hospitals.
I contribute to requirement analysis, process design, UAT coordination and system integration (HL7 via Mirth Connect), and prioritize UI/UX, database optimization and cross‑platform delivery to ensure reliable, production‑grade software.
Experience
Work history, roles, and key accomplishments
Full-Stack Developer
Koç Healthcare
Mar 2025 - Aug 2025 (5 months)
Developed an Automated Dispensing Cabinet system using React and TypeScript for web and Electron desktop, and built .NET Core 8 backend services and RESTful APIs, improving hospital medication management workflows.
Full-Stack Developer & Business Analyst
Acıbadem Technology
Dec 2022 - Jan 2025 (2 years 1 month)
Built .NET Core microservices and Node.js/TypeORM modular backends integrating Oracle and PostgreSQL, and delivered React/TypeScript web and Electron apps used in hospital logistics across multiple countries.
Business Analyst
Acıbadem Technology
Oct 2021 - Dec 2024 (3 years 2 months)
Led requirement analysis, process design, and stakeholder coordination for supply chain and hospital management projects across Turkey, the Netherlands, and Malaysia, producing BRS documents and coordinating UAT.
Supply Chain Analyst
Acıbadem Healthcare Group
Oct 2020 - Oct 2021 (1 year)
Optimized logistics and procurement workflows through detailed data analysis and reporting, managed international medical supply shipments, and implemented dynamic min-max inventory planning.
Education
Degrees, certifications, and relevant coursework
TEB Ataşehir Anadolu Lisesi
High School Diploma, General Secondary Education
Completed secondary education at Ataşehir Anatolian High School.
Doğuş University
Bachelor of Engineering, Industrial Engineering
Completed Industrial Engineering studies in an English-language program with coursework and projects related to logistics, procurement, and inventory management.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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