Vinod "Kalki" Varadaram

About

I am a software engineer focused on building simple, efficient, and scalable systems. My expertise spans full-stack development, AI agent orchestration, and blockchain systems.

Now

Currently, I am contributing to Osprey and deepening my expertise in Artificial Intelligence and machine learning architectures.

Experience

• Self-Employed
  Freelance Full-Stack & AI Developer • May 2025 - Present

  Build and ship end-to-end web and mobile applications for clients using Next.js, React Native, Hono, Node.js, and PostgreSQL. Design scalable tRPC/REST APIs with JWT auth, RBAC, and distributed job queues (BullMQ/Redis).

• Pentagon Space
  Software Development Intern • Dec 2024 - Jul 2025

  Profiled PostgreSQL query execution plans and implemented connection pooling, reducing API response time by 30%. Built Node.js/Express REST APIs following secure coding best practices.

• Intervie Tech
  Machine Learning Intern • Nov 2023 - Dec 2023

  Preprocessed 5,000+ candidate profiles using pandas and NumPy; improved model accuracy 15% over baseline. Deployed trained inference model via Flask REST API.

Projects

• CORTEX
  2026 • TypeScript, Bun, React Native, Solana

  Autonomous Multi-Agent AI System. Designed a swarm of 10 specialized AI agents with a 5-stage pipeline. Built real-time WebSocket pipeline and integrated Solana MWA.[Source]

• REFLEX
  2025 • Hono, BullMQ, Redis, PostgreSQL

  DeFi Position Alert Monitor. Multi-chain alert system with real-time BullMQ/Redis job queue and Prisma-managed PostgreSQL schema.[Source]

• Pluffy AI
  2025 • Next.js, TypeScript, Node.js, PostgreSQL

  LLM Code Generation Platform. Integrated LLM API for real-time code generation and implemented per-user rate limiting.[Source]

• Lumos AI
  2024 • Next.js, TypeScript, tRPC, Inngest

  Workflow Orchestration Engine built on Inngest durable execution primitives with state checkpointing across async boundaries.[Source]

Education

• Brindavan College of Engineering
  B.Tech in Computer Science • 2021 - 2025 • CGPA: 8.1/10

  Focused on Core Computer Science: Data Structures, Algorithms, Systems, and Machine Learning.[Link]

Open Source

• Osprey (roostorg)

  Contributed to Discord's trust & safety rules engine processing 2.3M rules/sec. Used by Discord, Bluesky, and Matrix.org.[Source]

• n8n & Onlook

  Contributed to fair-code workflow automation (400+ integrations) and Onlook (AI-powered visual React editor).[n8n][Onlook]

Interests

Beyond engineering, I am interested in philosophy, global politics, and gaming. I also enjoy exploring the anime, as well as staying active through long walks.