Driving innovation in contactless payment experiences at PayPal, focusing on reducing tap-to-pay latency and enhancing user experience for millions of transactions. Leading backend development for Device Wallet Management System (DWMS) supporting NFC payments and multi-bank digital wallet capabilities.

Core impact areas:

Architecting AI-powered automation workflows using n8n to streamline business processes and reduce operational overhead

Optimizing payment processing latency and system performance for real-time contactless transactions

Building scalable microservices handling millions of tokenization requests with 99.9% uptime

Implementing intelligent workflow automation that reduced manual processes by 50%

Designing fault-tolerant integration architecture connecting multiple payment networks and banking systems

Working on exciting stuff within Oracle health developing services and AI systems.

• Innovative Application Development: Architected and developed of Digital Self Service applications (DSS) in ReactJS and Redux for Opower, impacting over 70M+ daily users.

• Widget Development: Contributed to multiple ReactJS widgets, including the Start, Stop, and Transfer Service widget, a critical component in DSS facilitating millions of users to manage utility services.

• Backend Development Excellence: Spearheaded the development of robust microservices using JAVA Dropwizard framework, bolstering backend infrastructure. Designed and implemented SOAP-based APIs and RESTful services, integral in supporting customer facing widgets. This development played a crucial role in streamlining interactions between frontend applications and backend systems, significantly improving data flow and service reliability.

• UI Component Library Contribution: Played a pivotal role in developing the internal UI component library using React, slashing cross-team development time by 20%.

• Code Optimization: Spearheaded the refactoring of the React codebase for multiple widgets, achieving a 20% reduction in code complexity, thereby enhancing readability, reusability, and maintainability.

• Quality Assurance and Mentorship: Conducted thorough code reviews to enhance software quality and mentored 2 junior developers, fostering their professional growth and development.

• Documentation and Process Improvement: Developed and maintained detailed application configuration guides, significantly simplifying implementation procedures. This initiative led to a 20% reduction in client configuration time, enabling faster deployment and improved client satisfaction.

• Agile Development: Actively engaged in an Agile development environment, contributing to team productivity and efficient project management through iterative development, sprint planning, and continuous feedback.

• Extensive experience in design, development, and deployment of software products. Worked on ARIES2.0 project through 7 phases (20 modules) in an agile environment for Contra Costa County Client.

• Contributed software engineering expertise in the development of products through the software lifecycle, from requirements definition through successful deployment into production.

• Expertise on the full stack and developed modules using HTML5, CSS3, JavaScript, PHP & AngularJS.

• Developed migrating scripts for the AngularJS application into React Redux framework.

Developed redux stores for wrapping up the state, redux reducers and dispatchers. Expertise with webpack and Bootstrap 4.

• Developed Google-like search with natural language processing to search on the elastic cluster for every type of index and reduced algorithm complexity from O(n) time to O(log n) complexity.

• Expert level experience in elastic search 5.5, Kibana, Logstash. Developed the code for mapping the cluster, custom analyzers and tokenizers. Index a database of 200+ million records and developed the code for retrieval of and displaying the data on the front-end.

• Developed a logging system in C++ that parses with regular expressions and extracts relevant data from existing text files.

• Introduced methodologies and best practices that enhanced product definition, release processes and customization of applications to user needs.

• Developed the login system using OAuth, roles, permissions, pagination and autocomplete.

• Details on ARIES (http://hunterdk.com/wp-content/uploads/2012/11/SURVEYARIES.pdf)

• Developed a Single Page Application with 3 modules in HTML5, CSS3, Bootstrap, JavaScript, AngularJS for Seagate’s drive testing. Developed a search algorithm for searching disk drive names from the database, developed back-end to automate test scripts to run as a service and enables the user to verify the test results immediately.

• Developed a multi-threaded UI software adapter in C++ and JAVA in Linux environment with TCP/IP protocols that helped to communicate with a PCIe/NVME controller test software application on Windows. Reduced response time from minutes to under 10 seconds.

• Developed C++ algorithms using classes for performing integration and regression testing on reading/write cycles.

• Developed test scripts in Python which reduced test time by several hundreds of hours annually. Prepared models for predicting performance for future testing.

• Debugged TCG test software in a Linux/C++ environment and optimized the software to increase testing efficiency and speed by 30 percent.

• Developed GUI in .NET to communicate with a backend server to send commands over the network which runs test scripts on the server and returns the result back to the client system.