Ambar Maini

AI/ML • Bengaluru, India • UTC+05:30 • Work permits: India • Available in 2 weeks

Engineering Manager

5+ years exp

Java

Node JS

PHP

JavaScript

Active 1 day ago

+91 (7024) 093115

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Overview

Technical skills

Timeline

Roles

Overview

Engineering manager with about 10 years of hands-on experience building distributed systems and payment/ledger infrastructure while scaling teams and mentoring engineers. Led multiple 0→1 and migration initiatives across wallet and airport lounge/payments networks, with a focus on reliability, SLO/SLA ownership, and operational efficiency. Modern work includes Go-based microservices modernization and performance improvements across PostgreSQL and Redis for low-latency, high-throughput services.

Technical skills

Java

Node JS

PHP

JavaScript

Go• Junior

PHP

Laravel

Databases

Apache Kafka

MySQL

PostgreSQL• 5y+

Redis• 5y+

DevOps

gRPC

AWS

CI/CD

Docker

FinOps

Grafana

Incident Management

Kubernetes

Prometheus

SLI/SLO/SLA

Rest API• 10y+

Timeline

Engineering Manager • Lead

Razorpay • Full-Time

May 2025 to Present 1 Year 4 Months Bengaluru In office

Modernized a Node.js airport lounge platform into modular Go microservices using staged cutovers and shadow-traffic validation. Launched and scaled the platform from 0→1 to multi-country, multi-tenant operations and improved release and operational practices. Built an automated ingestion pipeline to cut processing time dramatically and promoted AI-assisted engineering practices to raise test coverage and reduce operational overhead.

Tech Lead • Lead

Razorpay • Full-Time

Nov 2021 to Oct 2023 1 Year 11 Months Bengaluru In office

Implemented split-account balance architecture to remove a major locking bottleneck and increase merchant journal throughput. Migrated RazorpayX’s system of record to a double-entry ledger using dual-write and shadow/reverse-shadow modes as a reusable migration approach. Improved PostgreSQL performance through zero-downtime partitioning and reduced API latency by cutting redundant Redis calls and optimizing database indexes and queries.

PostgreSQL

Redis

Senior Software Developer • Senior

Razorpay • Full-Time

Nov 2019 to Oct 2021 1 Year 11 Months Bengaluru In office

Re-architected the payout-creation path to scale payout throughput from about 30 TPS to 125 TPS. Built the first current-account payouts module as sole owner, scaling to hundreds of merchants across multiple banks. Developed an asynchronous bank-statement polling and reconciliation pipeline with queue-based processing and backpressure to reduce weekly closure effort.

Software Developer • Middle

Razorpay • Full-Time

Mar 2018 to Oct 2019 1 Year 7 Months Bengaluru In office

Contributed to the launch of BharatQR and integrated multiple bank and wallet gateways into Razorpay’s core payment platform. Owned end-to-end flows including authorization, callbacks, refunds, and reconciliation for connected providers. Focused on reliable processing paths within the payments system.

Software Developer • Middle

Envestnet Yodlee • Full-Time

Jul 2016 to Mar 2018 1 Year 8 Months Bengaluru In office

Built internal tools for test reporting and on-demand test execution, including REST API endpoints. Supported multiple combinations of features and test data for execution scenarios. Improved internal developer workflows for running and analyzing tests through API-driven functionality.

Rest API