Sai V Email & Phone Number

United States

With a robust background in financial technology and payment systems, I've achieved:• Architected a high-capacity Micro ATM system handling 3 billion daily transactions and $10 million transactions, supporting card, PIN-based transactions, AEPS, and UPI.• Developed the Fingpay Instant Payments platform, facilitating seamless connectivity among diverse payment service providers, establishing real-time payment infrastructure for global transfers. Empowered instant, 24/7 transactions… Show more With a robust background in financial technology and payment systems, I've achieved:• Architected a high-capacity Micro ATM system handling 3 billion daily transactions and $10 million transactions, supporting card, PIN-based transactions, AEPS, and UPI.• Developed the Fingpay Instant Payments platform, facilitating seamless connectivity among diverse payment service providers, establishing real-time payment infrastructure for global transfers. Empowered instant, 24/7 transactions, enhancing efficiencies and driving innovation.• Contributed to securing $300 million in Series A funding.• Designed an efficient eKYC-based process for streamlined merchant onboarding, including chargebacks, settlements, and complaint management.• Implemented advanced systems for risk management and cyber fraud prevention, reducing fraud by 66% and saving millions for the government.• Assisted banks in certifying payment switches with NPCI, and led implementation of PCI DSS, RBI DPSC, and RBI CSF for payment security certifications.• Proficient in Connect 24 protocol, reducing integration costs by 33% with Finacle CBS.• Developed Spring Boot and Python Django-based RESTful/SOAP services, integrating with Atom, PayU, BillDesk, PayPal, improving transaction time from 4 to 1.5 seconds.• Engineered web services, MIS reports, and batch processing for over 2 million records in 6 months for payment gateway integration.• Setup and built AWS infrastructure: VPC, S3, SQS, SNS, EC2, ECS, Lambda, CloudWatch, CloudFormation, Redis Cache, EKS, and Step functions.• Built an Angular portal for auditing, enhancing transparency and accountability across financial operations.• Utilized Kafka for payment orchestration, ensuring efficient and reliable processing across diverse platforms.• Successfully trained 250 employees and interns on card, PIN, AEPS, and compliance, gaining deep knowledge of payment systems and security protocols. Show less

During my tenure at Apptmyz, I had the opportunity to work on an OWASP (Open Web Application Security Project) compliant issue tracking system for a client, SecurEyes Techno Services Pvt. Ltd., a security audit company. This system was designed as a product that could be deployed at customer sites to enhance their security practices.Additionally, I developed modules to enable the sending of SMTP (Simple Mail Transfer Protocol) messages and OTP (One-Time Password) messages. I implemented… Show more During my tenure at Apptmyz, I had the opportunity to work on an OWASP (Open Web Application Security Project) compliant issue tracking system for a client, SecurEyes Techno Services Pvt. Ltd., a security audit company. This system was designed as a product that could be deployed at customer sites to enhance their security practices.Additionally, I developed modules to enable the sending of SMTP (Simple Mail Transfer Protocol) messages and OTP (One-Time Password) messages. I implemented logic to check and resend OTPs, resulting in a cost reduction of 40%. These modules were seamlessly integrated into the system, enhancing overall communication capabilities and improving the functionality of the product. Show less

- Developed Mobile Device Management (MDM) Web services for 10M Android devices.- Automated complex business logic, reducing user intervention by 80%.- Conducted testing on GCM and APNS interfaces, resulting in a 50% cost reduction during peak seasons.- Implemented backend system for seamless communication between mobile devices and ERP system.- Supported 10,000 transactions per second during peak times for real-time monitoring of inventory.- Led a team of 4 developers in… Show more - Developed Mobile Device Management (MDM) Web services for 10M Android devices.- Automated complex business logic, reducing user intervention by 80%.- Conducted testing on GCM and APNS interfaces, resulting in a 50% cost reduction during peak seasons.- Implemented backend system for seamless communication between mobile devices and ERP system.- Supported 10,000 transactions per second during peak times for real-time monitoring of inventory.- Led a team of 4 developers in building scalable logging framework, handling 1M transactions efficiently. Show less

During my internship, I excelled in user interface design, resulting in a 25% increase in user engagement. I optimized database performance, achieving a 40% decrease in query response time and handling around 1000 transactions per hour. Additionally, I reduced system bugs by 30%, improving application stability and achieving a 98% success rate in error handling.The measured improvements in user engagement, transaction processing, system performance, and error reduction demonstrate the… Show more During my internship, I excelled in user interface design, resulting in a 25% increase in user engagement. I optimized database performance, achieving a 40% decrease in query response time and handling around 1000 transactions per hour. Additionally, I reduced system bugs by 30%, improving application stability and achieving a 98% success rate in error handling.The measured improvements in user engagement, transaction processing, system performance, and error reduction demonstrate the positive impact of my contributions during the internship. Show less