Gurwinder Singh

Software Engineer

Bengaluru, Karnataka, India8 yrs 4 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Pioneered AI solutions enhancing mobile payment experiences.
  • Engineered security protocols achieving zero vulnerabilities.
  • Led significant UI/UX transformations increasing user engagement.
Stackforce AI infers this person is a Fintech expert with a strong focus on mobile payment solutions and AI integration.

Contact

Skills

Core Skills

Ai InnovationMobile ArchitecturePayment SecurityUi/ux TransformationPayment SolutionsProduct DevelopmentAndroid Development

Other Skills

MentoringChatGPTMobile PaymentsMachine LearningServer-Driven UIApp EngagementAutomated TestingSoftware IndustryTest AutomationUI/UX DesignUser EngagementSecurity EngineeringEncryptionSwift (Programming Language)Technical Requirements

About

A results-driven IT professional with over 8 years of experience specializing in Payment Systems, UPI/UPI Lite/UPI Mapper, and Automated Mandate & IPO Payment solutions (Intent/Collect/Beneficiaries) within the banking software domain. Highly passionate about technology and continuous learning, staying updated with emerging trends and innovations. Skilled in designing and developing well-structured, scalable, reliable, testable, and reusable code by adhering to best software engineering practices, clean code principles, and SOLID design concepts. Core Competencies: Algorithms, Data Structures, Java, Android, RxJava, Dagger, Product Development, and Analytics.

Experience

8 yrs 4 mos
Total Experience
2 yrs 1 mo
Average Tenure
3 yrs 8 mos
Current Experience

Paypal

2 roles

Senior Software Engineer (SDE-3)

Apr 2025Present · 1 yr 1 mo · On-site

  • AI Innovation Lead - Pioneering PayPal's next-generation artificial intelligence solutions to transform mobile payment experiences and drive business outcomes.
  • Server-Driven AI Architecture - Architected custom Model Context Protocol (MCP) server modules that significantly improved app engagement metrics and accessibility compliance by 40%.
  • AI-Powered Testing Revolution - Developed an automated mobile payment testing framework leveraging machine learning that reduced QA cycles by 65% while increasing test coverage to 98%.
  • Platform Modernization - Led migration from native app architecture to server-driven UI platform, enabling dynamic experiences across multiple platforms with 70% less code maintenance.
  • Quality Transformation - Implemented AI-powered quality assurance processes that reduced QA costs by 32% while enhancing platform security and reliability metrics to industry-leading standards.
  • Mobile Architecture Leadership - Spearheaded refactoring initiatives to optimize the mobile platform stack, resulting in 45% faster performance and 30% improved user satisfaction scores.
  • AI Innovation Coach - Mentored cross-functional engineering teams on AI integration strategies, with 90% of teams subsequently implementing automation solutions that delivered measurable efficiency gains.
MentoringChatGPTAI InnovationMobile Architecture

Senior Software Engineer (SDE- II )

Sep 2022Apr 2025 · 2 yrs 7 mos · On-site

  • Rewards Experience Architect - Seamlessly integrated a next-generation Rewards Point System across Widget, Ledger, and Search modules, delivering a cohesive experience that increased user engagement by 37%.
  • Payment Security Specialist - Engineered enterprise-grade security protocols for PayPal Activity module, implementing advanced encryption and authentication mechanisms that achieved zero security vulnerabilities in vulnerability assessments.
  • UI/UX Transformation Lead - Spearheaded comprehensive redesign of PayPal Activity Widget, Ledger and Search interfaces, resulting in 42% improved user satisfaction and 28% increase in daily active users.
  • Revenue Growth Driver - Executed strategic redesign of Transaction Detail Module that directly contributed ~$800,000 in incremental revenue through enhanced feature discovery and optimized conversion paths.
  • Configuration-Driven Architecture Pioneer - Designed and implemented a scalable configuration-based system that eliminated dependency on app release cycles, reducing time-to-market for new features by 65%.
  • Cross-Platform Experience Engineer - Developed dynamic UI architecture for Transaction Detail functionality that ensured consistent, high-quality experiences across multiple platforms while reducing code duplication by 40%.
  • Backend Innovation Leader - Built microservice architecture for Activity Functional Layer leveraging Java/Servlet framework, enabling rapid integration of new promotional features with 99.9% uptime.
  • DevOps Efficiency Expert - Optimized CI/CD pipeline, reducing build times by 73% and enabling 3x more frequent deployments, dramatically accelerating development velocity.
Software IndustryTest AutomationPayment SecurityUI/UX Transformation

Paytm payments bank

2 roles

Senior Software Engineer

Promoted

Apr 2022Sep 2022 · 5 mos · Noida, Uttar Pradesh, India

  • Building Secure payment Stuff.
  • Working in India's No-1 & Most-loved Secured Payments App team at PayTM Payments Bank in Money Transfer and UPI(Unified payment interface) Payments Team.
  • Automatic payment for Electricity/mobile recharge, Netflix subscriptions etc and IPO payments.
  • Collect Payments(P2P and P2M) and Intent and UPI Payment Gateway SDK Services.
  • Code refactoring or Optimisation to improve application performance and size reducing and improve
  • code coverage for test to quality delivery product.
  • Implemented UPI Mapper feature for Offline Payment in UPI payment module and in SDK.
  • Implement test cases in application for improve code quality.
  • Improve code coverage implementing test case in Money Transfer and UPI Module.
  • Implement J-Unit & Instrumentation test with various framework : Roboelectric, Mockito, Expresso.
  • Implement and Publishing modules for core central to provide Quality Deliverable Product.
  • Working with Appium for Automation testing, report generating for Improve Quality Assurance.
  • Working on UPI Lite and PayTM International Payment module.
Swift (Programming Language)Technical RequirementsPayment Solutions

Software Engineer

Jan 2021Apr 2022 · 1 yr 3 mos · Noida, Uttar Pradesh, India

  • Working in India's No-1 & Most-loved Secured Payments App team at PayTM Payments Bank in Money Transfer and UPI(Unified payment interface) Payments Team.
  • Automatic payment for Electricity/mobile recharge, Netflix subscriptions etc and IPO payments.
  • Collect Payments(P2P and P2M) and Intent and UPI Payment Gateway SDK Services.
Swift (Programming Language)Core javaPayment Solutions

Jugnoo

Software Engineer

Apr 2019Jan 2021 · 1 yr 9 mos · Chandigarh, Chandigarh, India

  • Working in Jugnoo Taxi Android Product Development team.
  • Working with Google Api Integration.
  • Experience in development vertical for Grocery/Market place and delivery products.
  • Design & implementing verticals from scratch :-
  • 1) Car Pool
  • 2) P2P Car rental
  • 3) Shuttle
Swift (Programming Language)Core javaProduct Development

Chicmic

Associate Software Engineer

Jan 2018Apr 2019 · 1 yr 3 mos · Mohali, Punjab, India

  • Traning complete, Working in Android Development Team. Design and implement Grocery/Market place and delivery products. Experience in Biometric Authentication SDK, Open CV, Google AR Kit.
Swift (Programming Language)Core javaAndroid Development

Education

Guru Nanak Dev University, Amritsar

Bachelor of Engineering — Computer Science Engineering

Jan 2014Jan 2018

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