Karan Sahu — Applied AI, Backend & Quant Engineer

Applied AI · Backend Systems · FinTech & Quant Automation · India | International Remote

Senior software engineer with 8+ years of production experience spanning backend infrastructure, applied AI, and quantitative systems. Currently at Black Ink Development LLC, I architect backend workflows orchestrating LLM tool calls, RAG, and human-in-the-loop gates around production business actions. I also build financial automation—real-time market data pipelines, options analysis, and automated execution engines at MudraQuant. Prior history includes technical leadership as Head of Technology and CTO, with 50+ products shipped across enterprise web and realtime platforms.

Professional Experience

AI & Quant Automation Engineer — Black Ink Development LLC

Nov 2025 – Present · United States · Remote

Architected AI-powered automation platforms on Next.js, LangChain and Firebase. Designed LLM-driven workflows with tool calling and human confirmation steps. Implemented retrieval-augmented generation over Pinecone vector search. Owned backend and API architecture, authentication/authorization and webhook-driven event pipelines, including Stripe subscription infrastructure.

Head of Technology — Rosato Ventures

Jun 2022 – Nov 2025 · Dubai, UAE

Led technical due diligence and architecture evaluation for a venture firm in blockchain, quantitative trading and digital infrastructure. Delivered MudraQuant.com and Argha.ai zero-to-production.

Chief Technology Officer — Comely Enterprises

May 2021 – Jun 2022 · New Delhi

Defined technology strategy, led a cross-functional engineering team, established CI/CD and standards, and oversaw 50+ shipped products across mobile and web.

VR Simulations Developer — NIIT Limited

Jan 2020 – May 2021 · Gurugram, India

Built enterprise XR training simulations for manufacturing, construction and logistics.

Software Engineer — Interactive Systems, Comely Enterprises

Aug 2017 – Jan 2020 · India

Built real-time interactive applications and contributed to backend APIs, databases and cloud deployment workflows.

Selected Systems

Enterprise AI Automation Platform — LLM workflows with tool calling and RAG over Pinecone vector search, with human confirmation gates.
MudraQuant — Quantitative trading platform: WebSocket market feeds, options analysis, backtesting and automated broker execution.
Subscription & Billing Infrastructure — Stripe webhook-driven billing and entitlements.
Nexoul — Multi-tenant whitelabel delivery platform.
Prefiler — Deterministic financial intelligence platform for pre-filing accounting reviews and rule-based validations.
Argha.ai — Decentralized asset registry on Solidity, IPFS and The Graph.

Technical Skills

Python, LangChain, RAG, LLM APIs, Agentic Workflows, Tool Calling, Vector Search, Pinecone, Prompt Engineering, AI Automation, FastAPI, Node.js, TypeScript, REST APIs, WebSockets, PostgreSQL, Redis, MongoDB, Firebase, AWS, Docker, Nginx, CI/CD, Options Pricing, Backtesting, Broker APIs, Automated Execution, React, Next.js, C#, Unity, Solidity, VR/AR/XR

Contact

Email: remotedevkaran@gmail.com · Phone: +91 96509 63719 (WhatsApp) · Website: karansahu.pro · LinkedIn: linkedin.com/in/karansahu1 · GitHub: github.com/GameDevKaran