Varun Sharma

Senior Software Developer

Unibots • Fulltime

May 2022 - Present • 4 yrs

● Engineered production-grade AI campaign launch platform using Fastify, Redis, and BullMQ, automating 500+ daily launches and handling 15,000+ async jobs/day with retries, rate limiting, and fault-tolerant recovery. ● Optimized Google Ads performance via API and Gemini LLM integration, boosting CTR 23% and reducing CPC 12% through automated bidding logic, real-time monitoring, and data-driven adjustments. ● Designed and scaled multi-domain CMS with automated content delivery system, supporting 1,000+ monthly deployments and millions of pageviews via cached APIs, dynamic rendering, and end-to-end ingestion pipelines. ● Built production-grade ML revenue forecasting pipelines on 500K+ historical records using Random Forest and XGBoost ensembles, achieving 89% accuracy to optimize budget allocation and campaign scaling. ● Fine-tuned Wav2Lip in PyTorch for HD lip-sync video generation and developed OpenCV-based computer vision pipelines for structured data extraction, reducing manual processing from 2 hours to 5 minutes. ● Implemented scalable, end-to-end ETL pipelines in Node.js and Python for multi-source marketing data, slashing analytics and reporting latency from hours to minutes. ● Established Dockerized CI/CD pipelines on GCP and Vercel with automated testing and deployments, maintaining 98%+ release success rate and accelerating iteration cycles. ● Mentored 3 engineers in React, TypeScript, backend API design, and system architecture through code reviews and technical guidance, ensuring high-quality production deliverables.