Darshan Bhansali
Senior Software Engineer
Results-driven Senior Software Engineer with 6+ years of experience designing and building scalable, high-performance systems that handle millions of transactions seamlessly. Proven ability to translate complex business needs into efficient, future-proof architectures, leading cross-functional teams to deliver robust and scalable solutions. Expertise in integrating third-party services, optimizing system reliability, and reducing failure rates, ensuring seamless performance at scale. Passionate about leveraging cutting-edge technologies to develop resilient, innovative solutions that drive business growth and align with strategic objectives.
Work Experience
My professional journey over the years.
Senior Software Engineer
Walmart Inc.
- Architected and developed a high-performance, multi-tenant seller wallet platform, facilitating seamless transactions for thousands of daily active sellers, driving a 30% increase in seller satisfaction and boosting revenue streams.
- Led and mentored a cross-functional team of 5+ engineers, spearheading the design and implementation of scalable payments microservices with RESTful APIs and enterprise-grade security protocols, ensuring 99.99% system reliability.
- Developed a highly resilient global billing platform using Java, Spring Boot, Kafka, and Cassandra, processing billions in annual transactions for Walmart Marketplace services.
- Led end-to-end system integrations with third-party payment providers, including JPMC and PayPal, enhancing transaction security and reducing payment failures by 20%.
- Collaborated with business, product, and legal teams to gather requirements, analyze existing systems, and drive strategic technology decisions that align with business goals and compliance standards
Software Engineer 3 - Full Stack
Walmart Inc.
- Developed and optimized critical payment and billing UI components using React, enhancing transaction clarity and reducing user support requests by 35%.
- Migrated legacy payment monolithic app to a microservices architecture, boosting scalability and maintainability by 50%.
- Developed high-throughput batch jobs using Java & Kafka, tripling payment reconciliation speed and automating critical workflows, reducing manual effort by 90%.
- Implemented credit card billing for global sellers, boosting billing flexibility by 70% and reducing failures by 30%.
- Developed Walmart’s Seller App Store, leveraging OAuth 2.0 standards enabling secure seller data sharing with channel partners and vendors through seamless integration, elevating the seller authentication experience by 100%.
Software Engineer 2 - Full Stack
Ebay Inc.
- Developed eBay’s global payments onboarding UI and backend services using Marko.js, Express.js, Node.js, and Java Springboot, successfully migrating 25M+ sellers to a next-gen payments platform.
- Implemented 100+ automated tests with Java, MongoDB, and Jenkins for continuous integration and regression testing.
- Engineered a real-time data pipeline to push metrics and errors to Elasticsearch using Java, and visualized performance dashboards in Kibana, improving error tracking and alerting by 50%.
- Conducted security scanning using SAST and DAST tools, including ZAP and Fortinet, ensuring code security and compliance.
Mobile Quality Engineering intern
Shutterfly Inc.
- Created a web application in React to automate test account creation flow; reduced the existing flow time by 90%.
- Developed a REST API in Python using Flask framework for bulk test account creation on production, stage, and beta environments.
- Developed an automation framework in Java-Selenium to perform functional and integration testing of 3000+ e-commerce products, saving 70% of manual QA work.
Software Automation Engineer
FinIQ Consulting
- Identified test cases and created a framework in Java-Selenium to automate the lifecycle of 8 projects for functional and cross-browser testing; saved 80% of manual testing time.
- Managed and conducted an automation training program for 10+ new hires; boosted the team's throughput by 30%.
- Developed a custom test automation framework in Java-Selenium for a web-based trading platform, reducing the regression testing time by 50%.
Education
My academic background and qualifications.
Santa Clara University
Master of Science in Information Systems
2018 - 2020 | Santa Clara, CA
Specialized in Data Science and Machine Learning.
University of Pune
Bachelor of Science in Computer Engineering
2013 - 2017 | India
Comprehensive program covering both hardware and software aspects of computing systems.
Awards & Recognition
eBay SPOT AWARD
Ebay Inc.
2021
4 times winner of eBay SPOT AWARD for outstanding performance in the team.
Impact Award
Walmart Inc.
2022
Received Impact Award for quickly onboarding new team members and improving team efficiency.
Bravo Award
Walmart Inc.
2024
Received this award for designing scalable systems
Personal Projects
Showcasing some of my favorite work.
AI-Powered Customer Chatbot for Online Marketplace
Designed and developed an intelligent customer support chatbot using OpenAI’s GPT-4o via Azure OpenAI Service. Leveraged retrieval-augmented generation (RAG) to enhance chatbot responses using domain-specific data.
AI-Driven Inventory & Ad Spend Analysis App
Built an interactive web application using Streamlit, Azure AI Services, and LangChain to analyze inventory trends and advertising spend based on uploaded documents. Utilized OpenAI Models, Vector Databases (Pinecone), and Embedding Models to enable intelligent document understanding. Developed Agentic AI-powered Smart Assistants that can autonomously perform inventory forecasting, ad spend recommendations, and trend analysis on demand using LLM-based reasoning
Tools & Technologies
The technologies I work with on a daily basis.
Get In Touch
Feel free to reach out for collaborations or just a chat.