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Amit Kumar

Amit Kumar

Backend engineer and systems architect focused on reliability

variably_tech
Minato City, Tokyo, Japan
Joined March 2026

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Summary

Experienced backend engineer who focuses on reliability and fault tolerance in large-scale distributed systems, demonstrated by authoring a detailed Mercari Engineering post on resilient retry and recovery mechanisms for the Engagement Platform. mercari
Active contributor to engineering community events and talks about backend topics (Go, concurrency, OOP practices in Go), appearing in Mercari engineering meetup content and conference session listings. mercari+1
Career spanning multiple roles across telecommunications, gaming, IT services and marketplace fintech, progressing from software engineer roles to senior engineering and system-architect responsibilities and co-founding a platform-focused startup. rocketreach
Currently based in Minato City, Tokyo, while having participated in Mercari India community activities (indicating active cross-region engagement in engineering and employer-branding events). rocketreach+1

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Writing

Resilient Retry and Recovery Mechanism: Enhancing Fault Tolerance and System Reliability

June 1, 2023

A Mercari Engineering blog post describing challenges and the strategy/implementation used to make Mercari's Engagement Platform resilient: topics include data loss risks, idempotency, retry limits, and architectural considerations for reliable incentive distribution.

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