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Onkar Ojha

Software Engineer @ Amazon | Distributed Systems | Backend Engineering | Java | Golang | Microservices | AWS

Bengaluru

5+ years of work experience

Amazon
Aug 20251 yr 2 mosPresent

Bengaluru, Karnataka, India

OTP Verification for COD Orders • Designed and built OTP-based guest checkout verification workflows reducing the Return-To-Origin (RTO) gap by 1000 bps • Developed dual-number authentication mechanisms improving fraud detection coverage and checkout security • Built low-latency OTP validation workflows (<200ms) using asynchronous processing, retry handling, and service fan-out patterns • Developed event-driven observability pipelines for real-time OTP success tracking, anomaly detection, and failure analytics Partial COD (Hybrid Prepaid + COD) • Led end-to-end development of Partial COD workflows integrating Cart, Payments, and OMS systems • Delivered 5 out of 7 core features within 2 weeks against an estimated 17-week delivery timeline • Built idempotent and fault-tolerant payment workflows with strong consistency guarantees across services • Optimized critical payment paths achieving sub-250ms P0 latency using caching and parallel service execution • Enabled analytics pipelines for prepaid adoption tracking, conversion analysis, and RTO reduction metrics Deployment Pipeline Automation • Automated deployment pipelines across multiple backend services improving release reliability and operational efficiency • Built rollback orchestration, health-based deployment gating, and composite alarm systems for safer production releases • Built AI-assisted deployment log monitoring and anomaly detection workflows enabling proactive issue identification Basket Building & Recommendation System • Built scalable recommendation systems for upsell, cross-sell, and intelligent product bundling campaigns • Designed event-driven backend architecture supporting 40+ TPS with 10x scalability headroom • Improved Average Order Value (AoV) by 15–25% through SKU-level recommendation and basket optimization • Integrated AI-assisted recommendation logic enabling dynamic seller-driven basket generation
Jio Platforms Limited (JPL)
Dec 20231 yr 9 mosAug 2025

Navi Mumbai, Maharashtra, India

Team : Hybrid Cloud Management Platform(Provisioning) 1. Cloud Management Platform for customer as NIC(National Informatics center) 2. Worked Closely with Cloud providers such as Red Hat OpenStack , Azure Stack HCI 3. Worked for end to end delivery for a feature that will manage the lifecycle of a image for a virtual machine and end to end provisioning of the same with compute , storage , OS , network etc components
SpotBuzz
Aug 20234 mosNov 2023

Remote

- Worked on a Node media-service that would interact with media upload (image & video) and its concerned operations such as compress , convert , crop (image) and split , convert (video). - Integrated the full end-to-end interaction of media-service and smi-service developed in GoLang. - Worked with Pinterst and Youtube API to upload and manage user accounts for uploading various media files and to work with their account specifications as well
ChicMic
Jan 20237 mosJul 2023

Mohali district, India

-Working on REST-API’s particularly with payment integrations and socket-io. -Working on client projects such as building custom terraform provider -Developed and integrated the in-house chat-integration-service using Mattermost backend.
Chegg India
Mar 20211 yr 11 mosJan 2023

Onkar’s AI Stack

claude code
claude code
kiro
kiro

Education

Punjab technical university

Bachelor's degree, Computer Science

Punjab technical university

20194 yrs2023

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Headline

Software Engineer @ Amazon | Distributed Systems | Backend Engineering | Java | Golang | Microservices | AWS

About

Backend Software Engineer with experience building scalable distributed systems, payment workflows, and cloud-native platforms Currently working at Amazon on large-scale commerce and payment systems involving OTP authentication, Partial COD workflows, deployment automation, and recommendation systems Previously worked at Jio Platforms on hybrid cloud infrastructure integrating OpenStack and Azure Stack HCI for VM lifecycle orchestration My interests primarily revolve around: • Distributed Systems • Event-Driven Architecture • Scalability & Reliability • Microservices • Backend Performance Optimization • Cloud Infrastructure Tech Stack: Java, Golang, Spring Boot, Kafka, RabbitMQ, AWS, PostgreSQL, Docker, Terraform I enjoy solving backend scalability problems, improving system reliability, and designing low-latency systems that operate at scale. 📩 Let’s connect – onkarojha@outlook.com

Location

Bengaluru

AI stack

claude code

kiro

Work experience

Software Developer at Amazon, Aug 2025 - Present · 1 yr 2 mos, Bengaluru, Karnataka, India, OTP Verification for COD Orders • Designed and built OTP-based guest checkout verification workflows reducing the Return-To-Origin (RTO) gap by 1000 bps • Developed dual-number authentication mechanisms improving fraud detection coverage and checkout security • Built low-latency OTP validation workflows (<200ms) using asynchronous processing, retry handling, and service fan-out patterns • Developed event-driven observability pipelines for real-time OTP success tracking, anomaly detection, and failure analytics Partial COD (Hybrid Prepaid + COD) • Led end-to-end development of Partial COD workflows integrating Cart, Payments, and OMS systems • Delivered 5 out of 7 core features within 2 weeks against an estimated 17-week delivery timeline • Built idempotent and fault-tolerant payment workflows with strong consistency guarantees across services • Optimized critical payment paths achieving sub-250ms P0 latency using caching and parallel service execution • Enabled analytics pipelines for prepaid adoption tracking, conversion analysis, and RTO reduction metrics Deployment Pipeline Automation • Automated deployment pipelines across multiple backend services improving release reliability and operational efficiency • Built rollback orchestration, health-based deployment gating, and composite alarm systems for safer production releases • Built AI-assisted deployment log monitoring and anomaly detection workflows enabling proactive issue identification Basket Building & Recommendation System • Built scalable recommendation systems for upsell, cross-sell, and intelligent product bundling campaigns • Designed event-driven backend architecture supporting 40+ TPS with 10x scalability headroom • Improved Average Order Value (AoV) by 15–25% through SKU-level recommendation and basket optimization • Integrated AI-assisted recommendation logic enabling dynamic seller-driven basket generation

Software Developer at Jio Platforms Limited (JPL), Dec 2023 - Aug 2025 · 1 yr 9 mos, Navi Mumbai, Maharashtra, India, Team : Hybrid Cloud Management Platform(Provisioning) 1. Cloud Management Platform for customer as NIC(National Informatics center) 2. Worked Closely with Cloud providers such as Red Hat OpenStack , Azure Stack HCI 3. Worked for end to end delivery for a feature that will manage the lifecycle of a image for a virtual machine and end to end provisioning of the same with compute , storage , OS , network etc components

Back-end Developer Intern at SpotBuzz, Aug 2023 - Nov 2023 · 4 mos, Remote, - Worked on a Node media-service that would interact with media upload (image & video) and its concerned operations such as compress , convert , crop (image) and split , convert (video). - Integrated the full end-to-end interaction of media-service and smi-service developed in GoLang. - Worked with Pinterst and Youtube API to upload and manage user accounts for uploading various media files and to work with their account specifications as well

Back-end Developer Intern at ChicMic, Jan 2023 - Jul 2023 · 7 mos, Mohali district, India, -Working on REST-API’s particularly with payment integrations and socket-io. -Working on client projects such as building custom terraform provider -Developed and integrated the in-house chat-integration-service using Mattermost backend.

chegg expert at Chegg India, Mar 2021 - Jan 2023 · 1 yr 11 mos

Education

Bachelor's degree, Computer Science, Punjab technical university