Priyanshu Upadhyay

Software Engineer

Mathura, Uttar Pradesh, India3 yrs 11 mos experience

Key Highlights

Expert in building secure and scalable applications.
Reduced go-live time from 28 days to 7 days.
Led automation projects that significantly cut support efforts.

Stackforce AI infers this person is a Fintech Backend Engineer with a strong focus on security and automation.

Contact

Skills

Core Skills

AutomationMicroservicesProgramming

Other Skills

Design PatternsArchitectureTest-Driven DevelopmentElasticsearchMySQLHigh-Level DesignMaintainabilityCreative IdeationJenkinsSystems DesignDockerCoding StandardsStartupsSQLJavaScript

About

Hi! I am Priyanshu Upadhyay from Mathura, a Software Engineer with 4+ years of experience. I have experience in building secure, scalable, reliable, and super configurable applications.I am not just a software engineer - I design and develop with security at the forefront. Restless nights and extended deadlines are acceptable, but there’s no compromise when it comes to security. I always love to connect. Whether it’s crafting innovative solutions, solving complex problems, or building something transformative together, I’m excited for the next adventure. Reach out to me at priyanshu.upadh@gmail.com or drop me a message.

Experience

3 yrs 11 mos

Total Experience

1 yr 10 mos

Average Tenure

2 mos

Current Experience

Uber

Software Engineer II

Apr 2026 – Present · 2 mos · Bengaluru, Karnataka, India · On-site

Flipkart

Software Development Engineer II

Mar 2025 – Apr 2026 · 1 yr 1 mo · Bengaluru, Karnataka, India · Hybrid

Part of Decision & Purchase Engineering - Catalog Team

Juspay

Software Development Engineer I

Jul 2022 – Mar 2025 · 2 yrs 8 mos · Bengaluru, Karnataka, India · On-site

Built a Code Generation Engine in Haskell and Python to automate payment gateway integrations, reducing manual efforts by 65% and cutting go-live time from 28 days to just 7 days using LLM models.
Developed a transaction audit trail using HTTP/1.1 Chunked Transfer Encoding in Node.js, reducing 80% of merchant queries by visualizing interactions between merchants, Juspay, and payment gateway.
Led development of Juspay’s Communication System using AWS to automate bulk email, & message sending, including features like template selection, attachments, comments addition and a maker checker flow, reducing merchant success team support efforts by 96%.
Engineered Email Bounce Monitoring System in Bash and Haskell to protect sender reputation by tracking bounce rates and pausing/resuming email dispatch based on real-time Amazon SES metrics.
Developed Gateway Refresh Workflow with custom scheduling and retry support to seamlessly rotate PGs OAuth 1.0/2.0 tokens before expiration using Redis Pub/Sub Streams based process scheduler.
Strengthened the integrity and reliability of payment methods such as 3DS, no-3DS cards, UPI, Apple Pay, Google Pay while handling operations like redirection, capture, void, refund, sync, and mandates.
Owned Dashboard Audit System that tracks and saves previous value of critical database changes and API calls while maintaining privacy using PII filters, giving users and admins better visibility of activity history.
Automated payment gateway error message handling by doing regex pattern matching and ChatGPT-driven error unification, dynamically triggering Sev1 and Sev2 alerts to recover dropped transaction success rates.
Contributed to the Purescript to Haskell codebase migration by transpiling over 20+ dashboard modules, resulting in 40% less resource utilization.

Design PatternsArchitectureTest-Driven DevelopmentAutomationElasticsearchMySQL+38

Convin

SDE Intern

Apr 2022 – Jun 2022 · 2 mos · Bengaluru, Karnataka, India

Gurugram police cyber security summer internship, haryana

Cyber Security Intern

Jun 2021 – Jul 2021 · 1 mo · Gurugram, Haryana, India

Era interfaces

Project Intern

Apr 2021 – Aug 2021 · 4 mos · Remote

Migrated from an older unauthorized person detection system to Amazon Rekognition that increased accuracy by 40%, false positive alerts were reduced.
Implemented SMS triggering API that sends a text message to security personnel when an intrusion alert is triggered & logs are maintained.