Available to hire
Hi, I’m Kristian Reformis, a full-stack software developer based in Banjarmasin, Indonesia. I love building scalable web apps and AI-powered systems, with a focus on Next.js, Python, and LLM integration to solve real business problems.
With 9+ years of experience, I’ve delivered end-to-end solutions—from design to deployment—through SaaS development, API integrations, and IT infrastructure management, across freelance projects and educational settings. I value clean architecture, collaboration, and continuous learning, whether working independently or guiding students and teams.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Indonesian
Fluent
English
Advanced
Work Experience
Informatics Teacher & Head of Computer Lab at Kanaan Christian School
June 1, 2022 - PresentDesigned and delivered curriculum in Computer Systems, Programming, and Networking aligned with AI and Industry 4.0 trends. Developed AI-based learning modules using Python (Scikit-learn, TensorFlow/PyTorch). Built internal tools and automation bots using AI APIs to improve administrative efficiency. Mentored students for programming competitions (city to national level). Managed school IT infrastructure including servers and networks.
Full-Stack Developer (Freelance) at Remote / Freelance
January 1, 2017 - PresentBuilt and deployed SaaS applications using Next.js, TypeScript, Tailwind CSS, and PostgreSQL. Integrated AI APIs (OpenAI, Gemini, OpenRouter) for automation and productivity tools. Managed full SDLC: requirement gathering, development, testing, and cloud deployment. Migrated legacy systems (PHP/Delphi) into modern API-based architectures. Configured and optimized operating systems across multiple devices.
Computer Lab Assistant at STMIK Indonesia Banjarmasin
June 1, 2019 - June 1, 2021Taught programming fundamentals (C++, PHP, JavaScript) and provided technical support and mentoring to 500+ students.
Education
Bachelor of Informatics Engineering (S.Kom) at STMIK Indonesia Banjarmasin
January 1, 2017 - January 1, 2021Qualifications
Industry Experience
Education, Software & Internet, Computers & Electronics, Professional Services, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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