Austin Makasare

Full-Stack Engineer with 1.5+ years of experience building and operating production SaaS systems end-to-end across application architecture, cloud infrastructure, CI/CD, and deployment. Built real-time systems supporting 10,000+ concurrent users, event-driven processing, idempotent payment workflows, and auto-scaling AWS infrastructure.

Software Engineer - YSM Infosolution - Nashik, India (Hybrid)

(2025-01)

• Architected a real-time examination platform supporting 10,000+ concurrent users across two major versions, using Socket.IO with a Redis Pub/Sub adapter for horizontal scaling and AWS Application Load Balancer sticky sessions.
• Reduced infrastructure costs by an estimated 70% by designing a dual-mode AWS/Terraform architecture – a ~$37/month idle mode that auto-scales into a full load-balanced cluster within 10 minutes ahead of live contests.
• Built a multi-tenant SaaS platform with per-organization subscription management and a centralized operations dashboard, cutting payment/subscription issue investigation time from hours to minutes.
• Automated certificate generation and notifications for 10,000+ exam participants via BullMQ workers, and eliminated duplicate-charge risk with idempotent Razorpay webhook handling for all payment/payout workflows.
• Automated production deployments using GitHub Actions, Docker, and Amazon ECR/EC2 – cutting deployment time from ~30 minutes to under 5 minutes (~6x faster) – with CloudWatch/SNS alerting for proactive monitoring.

MSc - Computer Science - KK Wagh Education Society, SPPU (2024 - 2026)

BSc - Computer Science - KK Wagh Education Society, SPPU (2021 - 2024)