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Yogeshwaran Chandrakasan
Full Stack Developer Available for Opportunities

Yogeshwaran Chandrakasan

I turn complex problems into elegant, scalable systems. From AI-powered document intelligence to real-time platforms — I build software that moves businesses forward.

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I believe great software isn't just about clean code — it's about understanding the problem deeply enough that the solution feels inevitable. Every system I build starts with empathy for the end user and ends with architecture that scales.

— My approach to engineering

Currently
Building with LLMs & AI Agents Contributing to Open Source Exploring System Design Patterns Based in Chennai, India
Latest Writing
· 6 min read

The bug where VS Code's Debug Console was pasting 'repl:1' into my clipboard

A 2-line CSS fix in VS Code that taught me how user-select: text cascades through every descendant — even the decorative ones.

Read post →
01 — About

Building systems
that matter

I'm a Full Stack Developer who's spent nearly 4 years deep in the trenches of building products people actually use. From document intelligence platforms that replace hours of manual work, to conversational AI that helps users find exactly what they need — I care about the impact, not just the implementation.

My sweet spot is the intersection of AI and full-stack engineering. I work across the entire stack — Python and TypeScript, Angular and NestJS, FastAPI and PostgreSQL — and I'm most alive when connecting complex systems into something that just works. Cloud infrastructure, real-time data, payment flows, LLM pipelines — I've shipped them all to production.

0Years Exp.
0Modules Built
0OSS Projects
0Merged PRs
What colleagues say

Said about working
with me

Recommendation

Yogesh is one of those rare engineers you hand the hardest problems to and never worry about. He architected our document intelligence platform end-to-end — NestJS backend with 20+ modules, FastAPI microservices with OpenAI and Gemini, the full workflow engine — and made it look effortless. What stands out most is how deeply he thinks about the user experience, not just the code.

Deventhiran Finstein
Recommendation

Working with Yogesh raises your own game. His range is wide — he'll write a payments integration in the morning and debug a CSS cascading issue in VS Code's source code in the evening. The 78+ merged PRs across projects like VS Code, NestJS, and Angular Material say everything about his depth. Rare combination of shipping speed and engineering rigour.

Maruthu Finstein
Mentorship

Yogesh is the kind of senior every junior hopes to work with. When I'm stuck, he doesn't just give me the answer — he walks me through his thinking so I can solve the next one myself. I've learned more about architecture, debugging, and shipping production code in the time I've worked with him than I would have in years of tutorials.

Maruthan Junior Developer · Finstein
Mentorship

What sets Yogesh apart from other senior engineers is how approachable he is — no question feels stupid. His PR reviews are genuinely educational, and the feedback always teaches me something new about the codebase or the craft. He raises the bar of the whole team just by being on it.

Nedunchezhiyan Junior Developer · Finstein
02 — Work

Selected Projects

Document Intelligence & Workflow Automation
  • Architected full-stack document processing platform with AI/LLM extraction from invoices, claims, and contracts
  • Built NestJS backend with 20+ modules: workflow engine, form builder, connector framework, usage-based billing
  • FastAPI microservices with OpenAI GPT & Google Gemini, DSPy prompt optimization
  • Real-time via Socket.IO, async processing with Bull/BullMQ and Redis
  • Razorpay payments, PostgreSQL (TypeORM), multi-tenant isolation
  • Docker containerization, AWS EC2 + Nginx deployments
NestJSFastAPIAngularOpenAIGeminiPostgreSQLRedisDockerAWS
Insurance Market Recommendation System
  • Conversational AI for insurance market discovery with real-time SSE streaming responses
  • Azure AI Search with vector embeddings (text-embedding-ada-002) for semantic search
  • Dynamic filter extraction via Pydantic-based structured LLM output parsing
  • Geospatial data pipelines using GeoPandas, Shapely, and PyGeoHash
  • Azure Durable Functions for automated daily data ingestion
  • Angular 19 frontend with dashboard and chat interface
FastAPIAngular 19Azure AI SearchAzure FunctionsGeoPandasSSE
Fitness & Wellness Platform
  • Led development team for comprehensive fitness platform connecting users with gyms, yoga studios, turfs, and wellness facilities
  • Built AI-powered chatbot for personalized guidance, buddy workout matching, and real-time analytics
  • Gym discovery & booking with OTP auth, subscription tiers, push notifications
Mobile AppAI ChatbotReal-time AnalyticsFirebase
Healthcare Scheduling Platform
  • Appointment scheduling system with automated reminders and booking management
  • Integrated Twilio and MSG91 for SMS/messaging and Firebase for push notifications
TwilioMSG91Firebase

FINSTEIN · JUL 2022 — PRESENT · CHENNAI, INDIA

03 — Skills

Technical Arsenal

Languages
PythonTypeScriptJavaScriptSQLHTML5CSS3/SCSS
Frontend
Angular 17/19ReactVue.jsRxJSNgRxPrimeNGAngular Material
Backend
NestJSNode.jsFastAPIFlaskExpress.js
Cloud & DevOps
AWS (EC2, S3, SNS, SQS)Azure (AI Search, Functions)DockerNginx
AI / ML
OpenAI GPTGoogle GeminiDSPyTesseract OCRVector EmbeddingsSemantic Search
Realtime & Queues
CeleryBull/BullMQWebSocketsSocket.IORedis Queue
Databases
PostgreSQLMySQLRedis
Integrations
RazorpayStripeTwilioMSG91Firebase
Tools
GitAzure DevOpsSwagger/OpenAPITypeORMPydantic
04 — Open Source

Community Contributions

Shipping real fixes and features to the tools developers use every day — 78+ merged pull requests across major open-source projects.

05 — Background

Education & Certs

Education

B.Tech Information Technology

University College of Engineering, Villupuram

2018 — 2022
Certifications

Python Workshop

Skillslash Academy · 2022

Python Certification

Infocus Training Centre · 2020

06 — Contact

Let's build
something great

Whether it's a product idea, a technical challenge, or just a good conversation about building things — I'd love to hear from you.

Download Resume →