Umang Sheoran

Backend Engineer

Gurgaon, Haryana, India5 yrs 2 mos experience

Highly Stable

Key Highlights

Led automation initiatives saving ~$1M monthly at Amazon.
Optimized payment routing for millions of daily transactions.
Reduced client onboarding time from 2 days to 15 minutes.

Stackforce AI infers this person is a Fintech Backend Engineer specializing in scalable payment systems and cloud infrastructure.

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Skills

Core Skills

JavaMicroservicesSpring BootAwsPython

Other Skills

AerospikeReal-time Payment SystemsDistributed SystemsMicroservices ArchitecturePostgreSQLMongoDBAWS LambdaPython (Programming Language)Front-End DevelopmentTypeScriptJavaScriptProduct DevelopmentSoftware ReviewsPerformance AnalysisDebuggers

About

Backend Engineer with 4+ years of experience building scalable, fault-tolerant financial systems at PhonePe and Amazon. I specialize in low-latency distributed architectures, cloud infrastructure (AWS), and payment routing optimization. Core Highlights: Scale: Currently managing high-volume payment routing at PhonePe, optimizing authorization rates for millions of daily transactions. Impact: Previously at Amazon, I led automation initiatives that saved ~$1M USD monthly in rebates and reduced client onboarding time from 2 days to 15 minutes. Tech Stack: Java, Spring Boot, Dropwizard, AWS (CDK, DynamoDB), PostgreSQL, and Microservices architecture.

Experience

5 yrs 2 mos

Total Experience

3 yrs 9 mos

Average Tenure

1 yr 5 mos

Current Experience

Phonepe

Software Development Engineer

Dec 2024 – Present · 1 yr 5 mos · Pune, Maharashtra, India · On-site

Core Responsibilities: Payment routing optimization, payment gateway integrations,
microservices architecture for payments platform
Recent Achievements:
Payment Routing Strategy Optimization
Implemented success-rate (SR) and commercial cost-based routing strategies in
the payments router
Improved overall authorization success rate by 1.52% across strategies –
significantly improved merchant checkout reliability.
API Performance & Optimization
Optimized core payment APIs through vault check elimination for unnecessary calls
Cut API latency and server load for 95%+ of user base
Result: Seamless checkout experience, improved conversion metrics
Payment Gateway Integration & Network Expansion
Onboarded new payment gateway (multiple transaction types)
Integrated additional payment network for existing PG
Production Infrastructure & Reliability:
Built data cloning scripts (prod → staging) for realistic testing environment
Enabled faster A/B testing iteration for routing strategies
Improved testing feedback loop from days to hours
Technical Stack:
Java | Spring Boot | Microservices | Aerospike | Real-time Payment Systems | Distributed Systems

JavaSpring BootMicroservicesAerospikeReal-time Payment SystemsDistributed Systems

Amazon

2 roles

Software Developer

Sep 2021 – Dec 2024 · 3 yrs 3 mos

Key Achievements & Impact:
Payment Response Processor (PRP)
Enhanced PRP to support flexible code flow + controlled rollout mechanisms
(bank, payment method, paygroup-based)
Facilitated smooth onboarding of 15+ new bank partners
Improved system flexibility for rapid A/B testing of routing strategies
Instant Payouts
Managed integration with Instant Payouts service (distributed coordination)
Improved Disbursement Success Rate from 98.5% → 99%+ through automated retry logic
Card Automation System
Automated bank statement handling + invoice processing pipeline
Saved 21 weeks of effort annually for Finance team
Designed real-time payment tracking dashboard (used daily by 50+ FinOps team members)
Scaling & Reliability
Coordinated rollout of major feature updates to live payment applications
(achieved 5x traffic increase for core microservice)
Added comprehensive test coverage (canary tests, integration tests, unit tests
up to 90%+)
Identified 10+ critical operational improvements; implemented changes reduced
recurring incidents by 40%
Team Leadership & Mentorship
Mentored 2 interns + 5 newly-joined Software Engineers on payment systems
and distributed systems concepts
Managed end-to-end ownership of 4+ critical applications.
Technical Stack:
Java | Spring Boot | Python | AWS (CDK, S3, DynamoDB, Lambda) | Microservices
Architecture | PostgreSQL | MongoDB | Real-time Systems

JavaSpring BootPythonAWSMicroservices ArchitecturePostgreSQL+2

Software Developer Internship

Feb 2021 – Aug 2021 · 6 mos

Delivered a user interface created from scratch for a notification system which allowed clients to onboard to notification system, subscribe to different events as required and create new notifcation events, and added authenthication for same. The UI reduced onboarding time for new clients from 2 days to 15 minutes.

Java

Vikalp india pvt. ltd.

Game Developer

Jun 2019 – Jul 2019 · 1 mo · Delhi, India

Created a Arcade style 2D game for the company. It was geared towards children(4 to 8 years old) to enhance their creativity. They were given an empty space and reference image according to which they had to fill the space using given pieces to them. Colors were allowed to be different than the reference image because it allows a child to be creative and fill it however they want.