Karthick SG
Senior Full-Stack & GenAI Engineer | Python, TypeScript, Model APIs, Cloud
karthisg.dev@gmail.com
+91 90951 69428 · India (Open to Remote)
linkedin.com/in/karthisgdotsg
github.com/karthisgk

Senior Full-Stack & GenAI Engineer with 5+ years of dedicated experience building production software and integrating frontier AI model APIs. Expertise in building surrounding tool scaffolding, evaluation harnesses, and telemetry alongside scalable cloud-native microservices (Python, TypeScript, Node.js, React, Azure/AWS). Proven track record reducing release cycles by 83% via automated CI/CD pipelines, shipping a production MCP server for LLM tool calling, and rapid onboarding onto unfamiliar codebases with fast prototyping under shifting specs.

Core Skills
Languages: Python, TypeScript, Java
Frontend: React, Angular, Redux
Backend: Node.js, Express, NestJS
Databases: PostgreSQL, MongoDB
Cloud & DevOps: Azure, AWS, Docker, CI/CD
GenAI Integration: Model APIs, Tool Scaffolding
Eval & Telemetry: Harnesses, Failure Mode Diagnosis
Architecture: Microservices, REST APIs, Kafka
AI Protocols: MCP Protocol, Ollama, Claude API
Security: OAuth2, JWT, Identity Verification
Methodology: Fast Prototyping, Rapid Onboarding
Automation: n8n workflows, GitHub Actions
Professional Experience
Senior Software Engineer
2022 – Present
Techversant Infotech
  • Built and stress-tested full-stack microservices (NestJS, Python) integrated with model APIs and telemetry logging
  • Reduced release cycles by 83% by implementing automated CI/CD pipelines using GitHub Actions
  • Architected multi-tenant EHR microservices, rapidly onboarding onto complex codebases to deliver under tight timelines
  • Automated cloud infrastructure provisioning using Azure Bicep and AWS CloudFormation
  • Implemented event-driven microservices for real-time telemetry and clinical data processing
Software Engineer
2021 – 2022
AES Technologies
  • Integrated secure Singpass identity verification with comprehensive failure mode logging and documentation
  • Developed performant backend services using Node.js/TypeScript with OAuth2 & JWT security
  • Built responsive React and Angular UIs; resolved critical mobile bugs across product releases
Software Developer
2020 – 2021
DDL Tech Solutions
  • Delivered full-stack applications in Python and JavaScript with limited up-front specifications
  • Optimized PostgreSQL & MongoDB queries for high-volume billing and operational workloads
Key Projects
Education

MCA – KLN College of Engineering

B.Sc IT – Sourashtra College