Jeerasak Ananta
Software Engineer • HomeLab Enthusiast
Chatbots & LLM • Workflow Automation • MLOps • Cloud Infrastructure
About Me
Who I Am
I'm a Software Engineer and HomeLab Enthusiast, graduated in Computer Science from Rajamangala University of Technology Lanna – Nan. Passionate about building production AI systems, from RAG-powered chatbots to workflow automation platforms.
My Mission
To deliver scalable, real-world AI solutions using cutting-edge technologies in LLMs, cloud infrastructure, and automation. I believe in continuous learning and building systems that make a tangible impact.
What I Do
- Build RAG & LLM applications for production
- Design workflow automation and AI pipelines
- Develop cloud-native infrastructure and DevOps
- Architect full-stack web applications
My Values
- Stay hard. Keep building.
- Production-ready over proof-of-concept
- Self-hosted and hands-on
- Continuous learning and sharing knowledge
Career Summary
Computer Science graduate with GPA 3.97 and deep expertise in Advanced RAG, LLM applications, workflow automation, and cloud infrastructure.
Currently building production AI systems at BAAC and Freewill Solutions. Experienced across FastAPI, LangChain, Docker, AWS, Next.js, and Linux.
Education
B.Sc. in Computer Science
Rajamangala University of Technology Lanna – Nan
2023-2025
GPA: 3.97
Achievements & Competitions
C/C++ Programming Competition (Nan Province)
C/C++ Programming Competition (Lampang Province)
RMUTL Mini Hackathon (Chiang Mai)
26th National Software Contest (NSC 2023), Chiang Mai
AI Developer Track
Certifications
AWS re/Start Graduate
Amazon Web Services
2025
Super AI Engineer
Season 4 – 2024
2024
AI Beginner & AI Engineer
AIAT
2024
SC-200: Microsoft Security Operations Analyst
Microsoft
2024
Projects & Experience
May 2026 – Present
Backend AI Engineer
Bank for Agriculture and Agricultural Cooperatives (BAAC)
Developing and maintaining RAG-based AI systems for the credit department. Fine-tuning LLMs on financial domain data, deployed via LINE Messaging API.
Oct 2025 – Apr 2026
Software Engineer
Freewill Solutions
Built full-stack applications and AI-powered solutions for clients. Working across the stack from cloud infrastructure to frontend interfaces.
Oct 2024 – Sep 2025
Research Assistant
RMUTL Nan
Conducted research in applied AI/ML, focusing on RAG systems and LLM integration for educational and administrative use cases.
Jun 2024 – Sep 2024
LLM Developer (Co-op/Intern)
BAAC HQ
Developed production RAG chatbots for internal credit department use. Gained hands-on experience with LangChain, OpenAI, and LINE API deployment.
Jun 2023 – Oct 2025
Teaching Assistant
RMUTL Nan
Assisted in teaching computer science courses, mentoring students in programming fundamentals and software development practices.
Technical Skills
Expertise across the full technology stack
Programming Languages
AI & Machine Learning
Backend & APIs
Frontend & UI
Databases & Data
DevOps & Cloud
Workflow Automation
Let's Connect
I'm open to exciting opportunities and collaboration. Feel free to reach out!
Response time: 24-48 hours