UmaShankar Samdwar

CTO

Bengaluru, Karnataka, India12 yrs 2 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Over 11 years of backend development experience.
Led high-impact projects in healthcare and finance.
Expert in designing scalable microservices architecture.

Stackforce AI infers this person is a Backend Engineering Leader in Fintech and Healthcare sectors.

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Skills

Core Skills

Engineering LeadershipMicroservicesAwsPayment Gateway IntegrationTeam LeadershipJava

Other Skills

AlgorithmsAmazon Relational Database Service (RDS)Amazon S3Amazon SQSAndroidAndroid DevelopmentAndroid SDKApache KafkaApache StormBashCC++Core JavaData StructuresDocker Products

About

Experienced Engineering Leader with over 11 years in backend development, leading high-impact projects across healthcare, finance, and SaaS domains. Proven success in designing scalable microservices using Java, Spring Boot, Kafka, Redis, Elasticsearch, and AWS. At Onsurity, led initiatives to scale health-tech platforms—enabling real-time doctor consultations, automated lab-test booking, and resilient communication systems. Adept at driving architecture decisions, mentoring teams, and ensuring operational excellence across code quality, observability, and cloud cost optimization.

Experience

12 yrs 2 mos

Total Experience

2 yrs

Average Tenure

4 yrs 5 mos

Current Experience

Onsurity

Senior Staff Engineer / Director

Jan 2022 – Present · 4 yrs 5 mos · Bengaluru, Karnataka, India · Hybrid

Designed and scaled the Lab Test Booking Platform, supporting multiple vendors via config-based onboarding and rule-engine driven vendor selection.
Built Communication Microservices using SQS, Resilience4J, and AWS, supporting multi-channel delivery and observability.
Led architecture efforts for Online Doctor Consultation, handling high concurrency, dynamic vendor routing, and fallback mechanisms.
Improved system performance, API contracts, and overall UX for both members and admins.
Mentored team members, collaborated with Product, and drove system-wide refactors and churn-prevention strategies.
Adopted GitHub Copilot for backend development, improving efficiency in prototyping and
implementation.

Docker ProductsEngineering LeadershipAmazon Relational Database Service (RDS)E-CommerceEngineering ManagementSoftware Observability+1

Paytm money

2 roles

Technical Lead

Promoted

Apr 2019 – Feb 2022 · 2 yrs 10 mos

Designed and implementation integration of Paytm Payment Gateway.
Designed and developed Mandate solution for Automatic Payments.
Designed and developed Rule Engine for Payment Gateway selection.
Designed and Lead a team of 5 people for Bank integration for Investment Payment via NEFT/RTGS transfer.
Actively review and developed System Design for various features for Payment Module.
Designed developed and lead a team of 4 people to implement Internal Payment Gateway for internal team within Paytm Money, that can be used across team like Equity, Mutual Fund, Subscription and Gold.
This Internal Payment Gateway will be interacting with various Payment Gateways like BIlldesk, Paytm PG as well as Banks too for example ICICI and AXIS.
Working with RTA and AMCs for Mutual Fund order punch and redemption.

Docker ProductsEngineering LeadershipAmazon Relational Database Service (RDS)Software ObservabilityPayment Gateway IntegrationTeam Leadership

Senior Software Engineer

Jun 2018 – Mar 2019 · 9 mos

Docker ProductsEngineering LeadershipAmazon Relational Database Service (RDS)Software Observability

Goldfarm.in

Senior Software Engineer

Mar 2017 – May 2018 · 1 yr 2 mos · Bengaluru Area, India

Making next generation Agri-Tech Platform. Building enterprise products for Farm Equipment rental system.

Engineering Leadership

Stayzilla

Senior Software Development Engineer

Sep 2016 – Jan 2017 · 4 mos · Bengaluru Area, India

Back-end developer at Stayzilla.
Having hands on experience on Kafka, Apache Storm, Python, Node.js, Redis, MongoDB, Amazon S3,
Amazon SQS.

Engineering Leadership

Flipkart

Software Developer Engineer 1

Mar 2015 – Jul 2016 · 1 yr 4 mos · Bengaluru Area, India

Java, J2EE, RESTful Web Services development.
Android Developer for Ads Platform.

Adiquity - global mobile ads platform

3 roles

Member of Technical Staff

Aug 2014 – Feb 2015 · 6 mos · Bengaluru Area, India

Associate Member of Technical Staff

Aug 2013 – Jul 2014 · 11 mos · Bengaluru Area, India

Android Developer:
Working as an Android Developer, for development and enhancement of AdIQuity Android SDK. Android SDK is set of libraries, that is used by android programers, help them to monetize their Android app.

Intern

Jan 2013 – Jul 2013 · 6 mos · Bengaluru Area, India

As an intern i got expose to Linux/Unix system at AdIQuity. Using bash script in Unix i did setup Hudson Continuous Integration Server for automation of compiling AdIQuity code base.It was like setting up replica of AdIQuity production system using Hudson Continuous Integration Server.
Apart from above, i started learning Android Programing and got involved with AdIQuity Android SDK development.