Vinay Kumar
Fractional CTO — AI-Native Engineering Leadership
[ 01 — POSITIONING STATEMENT ]
Engineering Manager and Full-Stack Architect with 10+ years of experience leading cross-functional teams, architecting distributed systems, and shipping high-impact products at scale.
Proven record of managing teams of 15+ engineers, driving 40% improvements in deployment frequency, and reducing platform page load times from 7.0s to 0.5s. Founder background spanning hardware PCB prototyping, AI-powered School ERP systems, and early-stage autonomous browser-use agent design. Deep expertise in LLM SDK integrations, custom RAG pipelines, and embedding robust engineering workflows in chaotic startup environments.
[ 02 — DETAILED WORK EXPERIENCE ]
Founder & CTO
Kuboid · Haryana, India (Remote)
May 2024 – Present
BeBaat.com — Autonomous GTM Agents
- Founded BeBaat.com: Built autonomous lead generation and outreach agents to automate target enrichment and cold copywriting processes.
- Architected a multi-agent system using LangChain & CrewAI to orchestrate concurrent pipelines for web scraping, company profile extraction, and copy drafting.
- Implemented a context-aware personalization engine utilising LLMs, which raised email conversion/response rates from a baseline of 2.1% to 11.4%.
- Engineered the target list validator and bounce-reduction layer, managing batches of thousands of records daily while keeping bounce rates below 1.5%.
TrueRoot.in — Autism Home Therapy Platform
- Founded TrueRoot.in: Developed a digital therapy log designed for autistic children to record developmental benchmarks.
- Implemented an offline-first sync architecture using local storage caching and SQLite to enable continuous clinical session logging in areas with zero network connectivity.
- Built interactive progression dashboards with Chart.js to help pediatric therapists visualize daily task metrics, improving treatment adjustment speeds by 30%.
MeraSkool — AI-Enabled School ERP
- Architected and developed a full-stack School Management ERP platform from scratch targeting tier-2 cities; handled all engineering, product, sales, and go-to-market execution solo.
- Built a natural language AI chatbot on WhatsApp and web using Gemini SDK with tool-calling, enabling principals and teachers to query complex school data in plain language (e.g., "How many students scored above 80% in the last half-yearly exam?").
- Designed the platform's RAG pipeline and multi-agent layer using Vercel AI SDK and Mastra AI to automate report generation, student support, and operations.
- Onboarded 26 educational institutions within the first 6 months of launch.
AI Agents & Other Projects
- Built a custom browser-use AI agent autonomously before the open-source browser-use library was publicly released.
- Developed social media AI manager, AI-powered sales/support agents, and an AI video summarizer that auto-cuts long-form content into viral shorts.
- Prototyped a CCTV anomaly detection system for a manufacturing facility using Python and YOLO for real-time computer vision monitoring.
- Built client-facing and internal workflow automations using n8n; managed Meta Ads and Google Ads campaigns for agency clients with hands-on performance marketing.
- Independently prototyped a hardware smart switch — from PCB design and assembly through embedded software and mobile app integration.
Engineering Manager
Token Metrics · United States (Remote)
May 2022 – May 2024
- Led a cross-functional team of 15 engineers across Full-Stack, Data, DevOps, and QA; increased deployment frequency by 40% through process improvements and sprint ownership.
- Rebuilt the core cryptocurrency analytics platform on Next.js and AWS, reducing page load time from 7.0s to 0.5s for thousands of concurrent users.
- Directed cloud infrastructure strategy (AWS, GCP) and database architecture (Snowflake, Supabase) for high-volume Web3 and crypto analytics data.
- Rescued and shipped the Astrobot Society NFT minting platform with Web3 token-gated authentication in under one week after the outsourced vendor exited the project.
- Actively drove engineering hiring, building and selecting the core team.
Chief Technology Officer — Contract
Skugal · Noida, India (Remote)
May 2021 – Apr 2022
- Architected and led technical delivery across multiple concurrent enterprise projects in FinTech and InsurTech domains.
- Reduced cloud operating costs by 50% for a major InsurTech client through AWS/GCP infrastructure optimization and resource right-sizing.
- Built real-time communication systems using WebSockets and WebRTC on Node.js and Angular for live financial data applications.
Tech Lead of Healthcare Imaging Testing Team
Mantra Labs · Bengaluru, India
Mar 2019 – Apr 2022
- Led the testing and automation team embedded with Change Healthcare (US) to architect an end-to-end test automation framework for a mission-critical medical imaging platform using Cypress and Playwright.
- Directed the testing automation roadmap, reducing manual regression cycles from 4 weeks to 1 week (75% reduction) through automated cross-browser and device compatibility suites.
- Designed and executed API load and performance testing strategies using JMeter and TestCafe to ensure backend SLA compliance.
Software Engineer → Team Lead
HandySolver · Gurgaon, India
Aug 2016 – Nov 2018
- Scaled the Contaqt.nl email marketing platform to process millions of emails daily by introducing AMQP and RabbitMQ, eliminating critical pipeline bottlenecks.
- Reverse-engineered an undocumented legacy medical device protocol using Burp Suite to build a custom data-retrieval server, recovering critical stored patient data.
- Progressed from entry-level engineer to Team Lead within 2 years; led a team of under 10 developers across 10+ diverse software projects.
[ 03 — NOTABLE PROJECTS & IMPACT ]
| Project Name | Direct Impact & Technical Implementation |
|---|---|
| BeBaat.com GTM Agents | Autonomous lead generation & personalized email outreach agents; built on TypeScript and LLMs |
| TrueRoot Autism Therapy App | Autism Home Therapy application facilitating structured treatment progression tracker |
| Token Metrics Analytics Platform | Rebuilt monolithic crypto analytics system on Next.js + AWS; load time 7s → 0.5s for thousands of concurrent users |
| MeraSkool AI Chatbot | Natural language querying over school databases via WhatsApp + web; powered by Gemini tool-calling and RAG |
| Browser-Use AI Agent | Built autonomous browser agent independently before the open-source library existed |
| Astrobot Society NFT Platform | Delivered Web3 token-gated auth system in under 1 week after vendor failure |
| Contaqt Email Pipeline | RabbitMQ-powered pipeline processing millions of emails daily |
| Cointribe AI Statement Parser | Designed and built an AI model parsing customer bank statement PDFs in 3 months, unblocking FinTech product roadmap |
| WIMWIsure Cloud Infrastructure | Kubernetes-orchestrated scaling system for InsurTech; reduced hosting cost by 40% and boosted uptime to 99.9% |
| E2E Test Automation (Change Healthcare) | CI-integrated Cypress framework; reduced QA cycle by 75% for medical imaging software |
[ 04 — SKILLS INDEX ]
// Engineering Leadership
Team BuildingHiringSprint PlanningTechnical RoadmapsAgile/ScrumCross-functional Collaboration
// Languages
TypeScriptJavaScriptPHPJavaGoPython
// Frameworks & Libraries
Next.jsNode.jsReact.jsExpress.jsAngularVue.jsLaravelYii2
// AI & Automation
AI Agent DesignLangChainCrewAIVercel AI SDKMastra AIGemini SDKRAGPrompt Engineeringn8n AutomationYOLO / Computer Vision
// Cloud & DevOps
AWSGCPDockerKubernetesCI/CD (GitHub Actions, Jenkins)RabbitMQKafkaRedis
// Databases
PostgreSQL (pgvector)MySQLMongoDBSnowflakeSupabaseFirebase
// Testing
CypressPlaywrightJMeterTestCafe
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