HK

Hari Krishnan

Available to hire

I'm a backend engineer with 4+ years of experience building scalable backends, microservices, and data-driven applications.

About

I’m a backend engineer with 4+ years of experience building scalable backends, microservices, and data-driven applications.

I thrive on crafting robust, observable systems using Node.js, TypeScript, PostgreSQL, AWS, and cloud-native architectures, delivering AI-powered solutions and real-time APIs that teams can rely on.

  • 4 years' experience
  • Joined June 2025

Languages

  • JavaneseAdvanced
  • EnglishFluent

Industry experience

  • Software & Internet
  • Retail
  • Financial Services
  • Transportation & Logistics
  • Professional Services
  • Media & Entertainment

More experts in Chennai, India

Work experience· 8 roles

Leetboard – Curated LeetCode Discussions · leetboard.aiFeb 2026 – Apr 2026 · 3 mos

Developed Progressive Web Application (PWA) that aggregates and organizes trending LeetCode discussion content into a searchable platform. Built ingestion pipelines for 50k+ LeetCode discussion threads; implemented search and filtering capabilities for company-specific interview experiences, compensation discussions, and topics. Built bookmarking system to enable users to save and revisit relevant discussion threads. Integrated push notifications to deliver updates on newly trending discussions and articles.

GATE Mock Test Platform · gate tard.inNov 2025 – Present · 1 yr 1 mo

Gate Tard – GATE MOCK TEST PLATFORM: Built a full-stack mock test platform using Next.js, TypeScript, Node.js, and Supabase; implemented authentication, test-taking workflows, performance analytics, and progress tracking.

WhatsApp Business Bot – Slide Deck · harik.xyzMar 2024 – May 2024 · 3 mos

Built a WhatsApp Business Bot automation platform using the WhatsApp Business API and Node.js; implemented automated messaging workflows and customer interaction handling for business operations.

Backend Engineer · TramesMar 2024 – Present · 2 yrs 9 mos
Backend Engineer · Tramés SingaporeMar 2024 – Jun 2024 · 4 mos
Productivity App Developer · PoraliJun 2022 – Jul 2022 · 2 mos
Backend Engineer · MyRMC SolutionsJun 2022 – Feb 2024 · 1 yr 9 mos
Android Developer Intern · MyRMC SolutionsFeb 2022 – Apr 2022 · 3 mos

Education

Master of Computer Applications · University of Madras2022 – 2024
Bachelor of Computer Applications · University of Madras2019 – 2022
Master of Computer Applications · University of Madras2022 – 2024
Bachelor of Computer Applications · University of Madras2020 – 2022

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