Sahas Punchihewa
Senior Software Engineer at Techlabs Global Private Ltd
Galle, Southern Province, Sri Lanka
Summary
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Senior🎓
Top SchoolSahas Punchihewa is a Senior Software Engineer with six years of hands-on experience building production-grade Gen-AI products and cloud-native systems from his rise at Techlabs Global. He specializes in Gen-AI engineering—designing RAG architectures, LangChain/LangGraph pipelines, vector DB integrations, and agentic workflows—while spanning the full stack with Python, FastAPI, Spring Boot, React/Next.js. Comfortable across AWS, GCP, and Azure, he applies Terraform, Kubernetes, Ansible, and CI/CD to reliably deploy scalable services with PostgreSQL/MySQL data layers. A First Class Honours BEng graduate and Infoschol scholar from the University of Westminster (IIT Sri Lanka), he pairs strong academic foundations with a track record of internal growth from intern to senior engineer. Known for turning complex AI concepts into user-facing products, he prioritizes ownership, clarity, and continuous learning. Based in Galle, Sri Lanka, he brings curiosity-driven impact and a pragmatic focus on shipping measurable value.
6 years of coding experience
5 years of employment as a software developer
Bachelor of Engineering - BEng Computer Software Engineering, Bachelor of Engineering - BEng Computer Software Engineering at University of WestminsterSchool AL, School AL at Mahinda CollegeCertificate C and Java, Certificate C and Java at IDM
Stackoverflow
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Github Skills (23)
javascript9
extjs9
open-source9
aem8
church8
django7
nic7
arraylist6
python6
java6
nodemailer5
verification4
nodejs4
php3
js3
Programming languages (5)
Github contributions (5)
SahasPunchihewa/SahasPunchihewa
Jan 2021 - Feb 2025
Contributions:23 pushes, 1 branch in 4 years 1 month
SahasPunchihewa/Radian-MCQ
Mar 2020 - Aug 2020
Contributions:18 commits, 17 pushes, 1 branch in 4 months
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