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Raj Mehroliya
Software Development Engineer II
Gurugram, Haryana, India · +91 98933 39438 · rvmehroliya@gmail.com · LinkedIn · GitHub · Portfolio
Professional Summary
Backend engineer with 3+ years building and scaling multi-tenant mobility SaaS platforms on Node.js, MySQL, Redis, and AWS; promoted to SDE II in January 2026. Deep experience in distributed concurrency control, multi-region payment infrastructure (Stripe, Razorpay, Paystack, PawaPay, Peach Payments), and ride-lifecycle automation. Proven record of cutting infrastructure costs, improving reliability, and shipping architecture that scales across white-labeled client environments.
Technical Skills
Languages & Runtime: Node.js, Express.js, JavaScript, Python
Databases & Caching: MySQL, MongoDB, Redis (Redis + Lua distributed locking)
Cloud & Infrastructure: AWS (EC2, S3, RDS), Firebase FCM, cron-based automation, Git / GitHub
Payments & Architecture: Stripe, Stripe Connect, Razorpay, Paystack, PawaPay, Peach Payments, Multi-tenant SaaS, RBAC, event logging, distributed systems, REST API design
Professional Experience
Togopool Pvt Ltd — Gurugram, India
Software Development Engineer II (Promoted)
Jan 2026 – Present
- Danger-Zone-Aware Routing (HERE Maps): Integrated HERE Maps with Google Directions to validate each fastest-route polyline against geofenced danger zones; when a route crossed a flagged zone, the engine auto-re-requested alternative polylines routing around all danger zones.
- Timezone-Aware Ride Scheduling: Implemented coordinate-derived timezone propagation across ride request, engagement, and scheduled-ride pipelines for accurate scheduling across multi-region deployments.
- Distributed Seat-Locking for Shuttle Passes: Built a Redis-based distributed locking system for a subscription shuttle-pass feature reserving seats across 30–45 day windows; atomic hold-and-release prevents overlapping bookings, with a graceful fallback that reallocates an alternate seat instead of failing the booking and payment.
Togopool Pvt Ltd — Gurugram, India
Software Development Engineer I
Sept 2023 – Dec 2025
- Wallet & Payment Infrastructure: Architected a multi-tenant wallet system with Stripe and Razorpay supporting real-time reconciliation, pending-balance settlement, and white-labeled deployments; cut transaction inconsistencies by 20% and extended the payment layer to Paystack, PawaPay, and Peach Payments.
- Cost Optimization via Smart Routing: Built a route-computation pipeline with Distance Matrix API fallback routing and request deduplication, reducing third-party billing costs by 75% while improving route accuracy.
- Role & Permission Architecture (RBAC): Designed a database-driven RBAC system with dynamic module-level tab mapping, enabling tenant-specific permission isolation and secure extensibility for new modules.
SnapSmart Pvt Ltd — Mumbai, India
Full Stack Developer Intern
May 2023 – Aug 2023
- Full Stack Development: Built responsive React interfaces and scalable Python APIs, improving performance and reducing response latency by 30%.
- AWS Cloud Deployment: Deployed applications on AWS (EC2, S3, RDS), improving reliability and reducing downtime by 15% through infrastructure tuning.
Education
B.Tech — Maulana Azad National Institute of Technology (MANIT), Bhopal · 2018–2022
Achievements & Languages
Achievements: Employee of the Month ×2 (April 2024, June 2025) for consistently exceeding performance targets and driving key team initiatives.
Languages: English (Native), Hindi (Native)