Arpit Mandloi

• Founding engineer & CTO — sole owner of all backend and infrastructure; architected, built, and operated the entire
platform from 0 to 1, with full technical decision-making across system design, cloud infrastructure, data pipelines,
and DevOps
• Designed event-driven architecture using EventBridge, SQS, and SNS to process 90, 000 exam submissions/day,
reducing evaluation latency from 5 minutes to 30 seconds through asynchronous processing
• Built real-time activity tracking pipeline with Kinesis Data Streams (6 shards) handling 316 records/sec peak load,
streaming 17M student activity events/month to S3 via Firehose for behavioral analysis
• Orchestrated ETL pipelines with AWS Glue (1, 050 jobs/month) transforming exam data into Redshift data
warehouse, enabling Athena queries for 4-level analytics (student, exam, batch, coaching insights)
• Slashed infrastructure costs by 70% — migrated from EC2-heavy architecture to serverless Lambda + Kinesis,
reducing monthly costs from $800 to $237 while supporting 18, 000 concurrent exam sessions
• Improved exam evaluation speed 4x through parallel processing with SQS (3 queues), Lambda functions, and
Amazon Comprehend — completing 18, 000 submissions in 15 minutes vs 1 hour previously

• Developed a high-performance poker backend in Go from scratch, supporting ~100, 000 concurrent players,
multi-table concurrency per user, real-time matchmaking using Kafka, and seamless event handling across distributed
tables — processing ~100M requests/week
• Engineered complex state management for multiple formats (NLH, PLO4/5/6) and dynamic modes like Rapid, with
concurrency-safe state transitions ensuring deterministic gameplay and data consistency under heavy load
• Implemented low-latency game-state synchronization handling complex table state, player actions, pot settlement,
reconnection flows, and multi-table gameplay

• Architected a secure and scalable backend for a real-money card game network, scaling to 40K+ games/day with
optimized matchmaking
• Established and managed integrations with 10+ external gaming platforms (MPL, Winzo, etc.) for games like
Callbreak, Dehla Pakad, and 29 — covering auth, payment, and daily settlement flows
• Developed a custom game server orchestrator by extending Kubernetes APIs for auto-scaling game servers and
optimizing infrastructure costs
• Spearheaded end-to-end development of Bountyverse, an asynchronous social competitive gaming platform with
30+ games and Google Play/Discord integrations

• Developed and maintained fault-tolerant backend services for payments and accounting workflows, including
operationally critical end-of-day financial computations
• Supported platform scale-up to 2M+ users through load testing, bottleneck analysis, and targeted backend/system
tuning using K6
• Reduced page load time by 80% — cut FCP from 3s to 0.4s by improving core web vitals: implemented lazy
loading, enabled compression, replaced heavy libraries with lightweight alternatives, cutting 5x the final build size

• Architected a WebSocket-based backend for real-time IoT device configuration, reducing configuration latency by
~40% versus polling-based workflows
• Established backend workflows for real-time device interaction and configuration propagation across connected
systems
• Optimized search backend performance for large datasets, improving responsiveness and end-user usability

• Owned the Teacher Web Application end-to-end, supporting live classes, homework, polls, Q&A, and real-time activity
feeds for 10K+ daily active users
• Shipped and maintained production features for teachers and students across international markets
• Implemented end-to-end localization for 6 languages, enabling product expansion into new geographies

• Developed production-grade banking applications using React, Redux, Webpack, and Node.js, improving
performance and user experience across core workflows
• Contributed to testing, debugging, and API integrations for mission-critical banking systems

• Designed and executed test plans and validation workflows for banking applications, contributing to improved
production quality and reduced defect leakage