Philona Sebastian
Senior Software Engineer at KeyValue Software Systems
Kerala, India
Summary
👤
Senior🎓
Top SchoolPhilona Sebastian is a Senior Software Engineer with six years of experience specializing in backend development and system design, currently leading backend efforts at KeyValue Software Systems. She builds scalable, high-performance services using Node.js, NestJS, PostgreSQL, and GraphQL, and complements JavaScript/TypeScript work with Python-based APIs (Flask, FastAPI) for data-centric and AI-powered features. Philona has practical experience implementing RAG pipelines, integrating and fine-tuning LLMs, and has improved unit test coverage by 65% through disciplined testing and automation. Her strengths include microservices architecture, query optimization, and pragmatic caching strategies that measurably boost reliability and performance. A CUSAT B.Tech graduate who finished 2nd in her class, she combines strong academic rigor with hands-on product delivery. Based in Kerala, she’s passionate about applying AI to real-world problems and shipping production-grade intelligent systems.
6 years of coding experience
4 years of employment as a software developer
BTech - Bachelor of Technology Information Technology, BTech - Bachelor of Technology Information Technology at Cochin University of Science and Technology
Stackoverflow
13reputation
251reached
0answers
2questions
Github Skills (26)
singing7
vector6
data-structures6
pointer6
optimization6
stl6
algorithm6
reimplementation5
dnd-tools5
javascript4
database-access4
nodejs4
css4
api3
cpp3
Programming languages (6)
Github contributions (5)
philona123/Basic-Banking-System
Dec 2020 - Feb 2022
First Project during my Internship at The Sparks Foundation
Contributions:8 commits, 6 pushes, 1 branch in 1 year 2 months
internshipcssjavascriptfoundationnodejs
philona123/SweetMemoryBlast-Game
Jun 2020 - Feb 2022
Contributions:4 commits, 3 pushes, 1 branch in 1 year 8 months
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