Jakapob Ramsak
Junior Full-Stack Developer — C# / .NET / React
About
Computer Science graduate (Rangsit University, 2026) with a four-month co-op on a production hospital digital-signage platform. Builds web systems with C#/.NET, TypeScript and SQL, and backs every change with automated tests. Projects • Concert Ticketing with Bot Protection (senior project, team of 3; built the entire system): Next.js 15, TypeScript, PostgreSQL, Redis. Fair queue with bot protection, seat locking under concurrent requests, real PromptPay payments with slip verification; 797 unit tests plus race-condition tests against real PostgreSQL and Redis. Deployed on Vercel with Neon (PostgreSQL) and Upstash (Redis): concert-antibot.vercel.app • ClinicQ, outpatient appointment & queue system: .NET 10 (ASP.NET Core, C#), EF Core, SQL Server, React, Docker Compose. Booking safe under contention (optimistic concurrency, idempotency keys); JWT with role- and object-level access control; 158 automated tests. • Digital Signage Management System (co-op project, team of 2; backend owner): FastAPI, PostgreSQL, Redis, Next.js. Role-based access, device pairing, content approval; 142 pytest tests. Available immediately for junior full-stack or .NET roles.
Experience
- IT Support InternAyutthaya Technological Commercial College2020-03 — 2020-05
Network cabling, software installs.
- Developer (co-op)Bluewind Solution Co., Ltd.2026-02 — 2026-06
Hospital digital signage: Laravel/PHP web CMS, C# (.NET Framework) Windows services, Android TV players. Extended time handling to second precision across web forms and four C# Windows services, verified on a test run. Fixed and retested assigned screen groups after large team merges. Wrote an on-device test report (instant alerts, multi-screen monitor) step by step with screenshots.
Education
- Ayutthaya Technological Commercial CollegeVocational Certificate in Information Technology · IT2019-01 — 2022-01
- Rangsit UniversityB.Sc. Computer Science · Computer Science2022-01 — 2026-01
Skills
Role preferences
- Open to roles
- Full-Stack Developer, Software Engineer, Backend Developer, .NET Developer, Web Developer