Karan Sahu

Senior engineer with 8+ years shipping production software, specialized in applied AI and automation. Architect LLM-powered workflows with tool calling, RAG and vector retrieval, and the backend APIs, authentication and deployment infrastructure that run them. Also build quantitative and FinTech automation — real-time market data, options analysis, backtesting and automated broker execution.

Prior technical leadership as Head of Technology and CTO, with 50+ products shipped across web, XR and blockchain platforms.

AI & Quant Automation Engineer at Black Ink Development LLC (2025-11 – Present)

• Architected AI-powered automation platforms on Next.js, LangChain and Firebase, delivering real-time analytics dashboards to enterprise clients
• Designed LLM-driven workflows with tool-calling and human confirmation steps, keeping automated document and data pipelines under operator review before actions commit
• Implemented retrieval-augmented generation over Pinecone vector search for semantic document retrieval, improving search relevance 3× over keyword-based retrieval
• Owned backend and API architecture — authentication and authorization, third-party service integrations, and webhook-driven event pipelines
• Deployed and operate services on cloud infrastructure with containerized builds, environment isolation and secret management for enterprise deployments

Head of Technology at Rosato Ventures (2022-06 – 2025-11)

• Led technical due diligence for a venture firm investing in blockchain, quantitative trading and digital infrastructure — assessing architecture, scalability, code quality and infrastructure risk
• Built and delivered two venture-backed products zero-to-production: MudraQuant.com (automated crypto trading and arbitrage) and Argha.ai (decentralized NFT minting and asset registry)
• Owned the full product lifecycle — planning, architecture, development, QA and operational handoff to stakeholders

Chief Technology Officer at Comely Enterprises (2021-05 – 2022-06)

• Defined and executed technology strategy across web platforms, real-time interactive products and blockchain-integrated systems
• Led a cross-functional engineering team and established coding standards, CI/CD pipelines and performance optimization practices
• Oversaw architecture, development and deployment of 50+ shipped products across mobile, web and real-money platforms

VR Simulations Developer at NIIT Limited (2020-01 – 2021-05)

• Built enterprise XR training simulations for manufacturing, construction and logistics, replicating real-world processes and safety protocols

Software Engineer — Interactive Systems at Comely Enterprises (2017-08 – 2020-01)

• Built real-time interactive applications with a focus on performance optimization, and contributed to backend API development, database management and cloud deployment workflows