Resume

Sagar Dolui

Senior Full-Stack Engineer
📧 [email protected] | 📞 +91-9088847921 | 📍 Bengaluru, India
🐙 github.com/sagar03d | 💼 linkedin.com/in/sagar03d

Professional Summary

Senior Full-Stack Engineer with 8+ years of experience architecting scalable EdTech and SaaS ecosystems. Proven track record of managing platforms for 600K+ users and maintaining 99.99% uptime through robust GCP infrastructure and Node.js/Laravel backends. Expert in GenAI implementation, RAG pipelines, and database optimization.

Technical Expertise

  • Core Stack: Node.js, TypeScript, React, PostgreSQL, GCP (GKE, Cloud SQL)
  • Backend & AI: Laravel (PHP), Python, OpenAI API, Claude API, Redis
  • DevOps & Tools: Docker, Kubernetes, GitHub Actions, NGINX, REST/GraphQL, Jest

Professional Experience

Senior Software Engineer | Bambinos Learning Solutions

Bengaluru, India • Apr 2021 – Present
🏆 Employee of the Year (2022)

  • Architected and scaled backend infrastructure for 60K+ monthly active users, maintaining a consistent 99.99% uptime.
  • Optimized PostgreSQL indexing and query logic, reducing average API response times from 800ms to 320ms (60% improvement).
  • Led migration to a high-availability GCP environment utilizing Compute Engine and Cloud SQL.
  • Enforced code quality standards by maintaining >90% test coverage across core Node.js and Laravel services.
  • Developed real-time faculty and student analytics dashboards using React.js and WebSockets.

Web Developer | Arobit Business Solutions

Jan 2019 – Mar 2021

  • Engineered a multi-tenant SaaS backend supporting 300K+ users with multi-domain RESTful APIs.
  • Scaled financial operations by integrating Stripe and Razorpay, processing 50L+ INR monthly.
  • Implemented Dockerized environments and NGINX load balancing for zero-downtime deployments.

Web Developer | Wishnet Pvt Ltd

Jan 2018 – Nov 2018

  • Developed the Wishtrip hotel booking platform for 5+ nationwide properties.
  • Reduced SLA breaches by 25% by building automated internal PHP/MySQL monitoring tools.

Personal Projects

SessionOrbit: AI Virtual Classroom Platform

Node.js, React, PostgreSQL

  • Built a centralized tutor-student operations platform with real-time data synchronization.
  • Achieved a 40% reduction in administrative overhead via automated session tracking.

Blogineers: AI Autoblogging SaaS

Node.js, Supabase, OpenAI, LangChain

  • Developed an end-to-end AI content pipeline with RAG-based generation and automated PayPal billing.

Education

Bachelor of Computer Applications (B.C.A.) in AI

Sainath University • 2018
🏆 Best Performing Student (2018 Batch)