Kumar Sanu profile photo 1 on Tal

Kumar Sanu

Senior Backend Engineer | Distributed Systems | Large-Scale System Design | Java | Spring Boot | Cloud-Native Architecture

Bengaluru

8+ years of work experience

Acko
Apr 20242 yrs 5 mosPresent

Bengaluru

• Architected and built backend systems for Acko AirPass, an automated flight disruption protection platform that detects flight disruptions and triggers claim workflows using event-driven microservices. • Designed a distributed email ingestion platform integrating Gmail APIs, OAuth2, and GCP Pub/Sub to process travel confirmation emails from OTAs and extract flight data • Led backend architecture for international travel insurance platform, orchestrating microservices for policy issuance, payments, claim lifecycle, and external integrations. • Designed and implemented Claim Mode Switch fraud detection mechanism, reducing fraudulent claims and improving loss ratio by 50%. • Implemented system-wide observability and reliability improvements using NewRelic and Coralogix, enabling monitoring of latency, error rates, throughput, and downstream service failures.
Acko
May 20222 yrsApr 2024

Bengaluru, Karnataka, India

International Travel Insurance | Embedded Insurance | Claims Management System
Jio
Aug 20201 yr 10 mosMay 2022

• Built backend services for enterprise vaccination management, supporting appointment scheduling, tracking, and corporate reporting. • Developed HealthPatri, a digital health reporting platform enabling patients to securely share health vitals and reports with doctors. • Designed and implemented a medication adherence system with reminder scheduling and inventory tracking. • Developed scalable REST APIs and backend services supporting high-traffic healthcare applications on the Jio Health platform.
Samsung India
Jun 20182 yrs 3 mosAug 2020

Noida

• Integrated Google Android Mainline updates into Samsung’s Android OS across distributed global teams, reducing release timelines by 40%. • Contributed to the Samsung Knox enterprise security platform, implementing Mobile Device Manage- ment (MDM) policies for enterprise device governance. • Updated Samsung’s Network Policy Architecture to support Android P platform changes.
GitHub
@ksanu37

Kumar’s AI Stack

claude code
claude code
claude
claude
codex
codex
cursor
cursor
gemini
gemini
github copilot
github copilot

Education

Indian Institute of Technology (Indian School of Mines), Dhanbad

Bachelor's degree, Electronics and Communications Engineering

Indian Institute of Technology (Indian School of Mines), Dhanbad

20144 yrs2018
Delhi public school

Senior Secondary Education

Delhi public school

20112 yrs2013

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Headline

Senior Backend Engineer | Distributed Systems | Large-Scale System Design | Java | Spring Boot | Cloud-Native Architecture

About

Senior Backend Engineer specializing in distributed systems, large-scale backend platforms, and workflow automation. Experienced in designing event-driven architectures and microservices powering travel insurance and claims automation systems. Built automation platforms that reduced manual operations by 90% and improved fraud detection and claim processing efficiency. Strong technical expertise in Java, Spring Boot, GCP, PostgreSQL, and scalable system design. Proven track record of building reliable, high-throughput services and integrating complex third-party ecosystems. Actively interested in building large-scale distributed systems and solving challenging infrastructure and platform engineering problems.

Location

Bengaluru

AI stack

claude code

claude

codex

cursor

gemini

github copilot

Work experience

SDE - 3 at Acko, Apr 2024 - Present · 2 yrs 5 mos, Bengaluru, • Architected and built backend systems for Acko AirPass, an automated flight disruption protection platform that detects flight disruptions and triggers claim workflows using event-driven microservices. • Designed a distributed email ingestion platform integrating Gmail APIs, OAuth2, and GCP Pub/Sub to process travel confirmation emails from OTAs and extract flight data • Led backend architecture for international travel insurance platform, orchestrating microservices for policy issuance, payments, claim lifecycle, and external integrations. • Designed and implemented Claim Mode Switch fraud detection mechanism, reducing fraudulent claims and improving loss ratio by 50%. • Implemented system-wide observability and reliability improvements using NewRelic and Coralogix, enabling monitoring of latency, error rates, throughput, and downstream service failures.

SDE - 2 at Acko, May 2022 - Apr 2024 · 2 yrs, Bengaluru, Karnataka, India, International Travel Insurance | Embedded Insurance | Claims Management System

Software Engineer at Jio, Aug 2020 - May 2022 · 1 yr 10 mos, • Built backend services for enterprise vaccination management, supporting appointment scheduling, tracking, and corporate reporting. • Developed HealthPatri, a digital health reporting platform enabling patients to securely share health vitals and reports with doctors. • Designed and implemented a medication adherence system with reminder scheduling and inventory tracking. • Developed scalable REST APIs and backend services supporting high-traffic healthcare applications on the Jio Health platform.

Software Engineer at Samsung India, Jun 2018 - Aug 2020 · 2 yrs 3 mos, Noida, • Integrated Google Android Mainline updates into Samsung’s Android OS across distributed global teams, reducing release timelines by 40%. • Contributed to the Samsung Knox enterprise security platform, implementing Mobile Device Manage- ment (MDM) policies for enterprise device governance. • Updated Samsung’s Network Policy Architecture to support Android P platform changes.

Education

Bachelor's degree, Electronics and Communications Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad

Senior Secondary Education, Delhi public school

Public links

github: https://github.com/ksanu37