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meraj ahmad

@merajahmad1

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Senior software engineer building scalable, low-latency cloud-native banking platforms.

India

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What I'm looking for

I’m looking to build cloud-native distributed platforms where reliability, observability, and performance matter. I want to lead architecture, partner with product and business teams, and deliver measurable outcomes in low-latency systems.

I’m a Senior Software Engineer with 6.5+ years of experience building highly scalable, high-throughput, low-latency distributed applications. I bring a product-minded approach—collaborating with business and product teams to deliver technical solutions against stringent targets and deadlines.

Most recently, I’ve helped build cloud-native banking and operations platforms by spearheading greenfield KYC/KYB onboarding engines and creating AI-based automated Trust document extraction to reduce manual verification. I also led the migration of critical KYC/KYB workflows from AWS Step Functions to Temporal, improving reliability, observability, and resilience for long-running processes.

I’ve additionally driven large-scale distributed system work with Kafka-based event messaging at Paytm, including a Redis + Lua sliding-window API rate limiter that reduced third-party service costs and performance-focused tuning with ProxySQL. Earlier, at Cisco, I migrated legacy monoliths to microservices, improved response times, and strengthened observability through automated alerting; I’m recognized for both technical excellence and impact.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Constantinople

Sep 2024 - Present (1 year 9 months)

Spearheaded greenfield development of KYC/KYB onboarding engines and built AI-powered trust document extraction to reduce manual verification effort for compliance checks. Led migration of KYC/KYB workflows from AWS Step Functions to Temporal, delivered a 10x multitenant CDR feature, and reduced on-call manual tasks by 60–70% via ops console automation.

KYC Workflow Orchestration Temporal AWS Step Functions Compliance Architecture Ops Console Consumer Data Right (CDR)

Senior Software Engineer

Paytm

Apr 2022 - Sep 2024 (2 years 5 months)

Engineered a low-latency, high-throughput event-based messaging platform on Kafka supporting 100M transactional and promotional messages daily. Built a sliding-window Redis + Lua API rate limiter (5k hits/sec), reducing third-party service costs by 25%, and improved query performance by 20% through ProxySQL-based distribution and database optimization.

Kafka Distributed Systems API Rate Limiting Redis Lua ProxySQL Performance Optimization Database Optimization

Software Engineer

Cisco

Jul 2019 - Mar 2022 (2 years 8 months)

Migrated legacy monoliths to microservices and designed RESTful APIs, reducing response times by 20%. Tuned SQL queries and database indexes to improve execution speed by 40% and built a health monitoring app with automated alerting to Webex Teams for real-time status tracking.