Ramachandran

Staff Engineer (MTS) at PayPal Inc.

Handle

@user-kme6rt

Role

Staff Engineer (MTS)

Company

PayPal Inc.

Location

Chennai, India

About

I design and deliver cloud-native distributed systems across payments, banking, FinTech, networking, automation and telecom. I lead solution architecture, implementation and go-live, aligning scalable delivery plans with enterprise architecture, security and governance. I implement and train large language models, integrate prompt-driven LLM APIs into enterprise applications, and guide AI-enabled delivery across cross-functional teams.

Experience

• Staff Engineer (MTS) at PayPal Inc.
  Sep 2024 to now - Chennai
  Lead cloud-native solution architecture and system design for high-scale payment workflow microservices, aligning designs with enterprise architecture principles and hexagonal, plug-in/plug-out patterns. Implemented and trained an LLM within the application, integrating a prompt-driven API workflow that transforms request context into structured responses for downstream business processing.
• Specialist Software Engineer at Société Générale Global Solutions
  Jun 2021 to Oct 2024 - Chennai
  Led solution architecture and end-to-end development of core banking business agreement and funding workflows, ensuring alignment with architecture standards. Designed scalable RESTful APIs and improved database and persistence-layer performance using MyBatis.
• Senior Software Engineer at Go2Group Technologies
  Jun 2019 to Jun 2021 - Chennai
  Owned architecture and development of enterprise integration modules connecting HPQC, JIRA and DevOps ecosystems. Improved continuous integration and continuous delivery pipelines, reducing deployment turnaround time, and provided production support, root cause analysis and incident resolution.
• Senior Software Engineer at Agreeya Solutions
  Oct 2018 to May 2019 - Chennai
  Delivered REST API modules and user-interface features for cloud-based WLAN controller systems. Improved debugging practices and reduced customer escalations through systematic root cause analysis and issue resolution.
• Senior Software Engineer at VVDN Technologies
  Sep 2015 to Oct 2018 - Chennai
  Architected a custom Java Swing IDE to automate project initialisation workflows. Automated dependency handling and configuration pipelines and enhanced user-interface components and developer tooling.
• Java Developer at Svasam Soft Solutions
  Feb 2014 to Sep 2015 - Karaikudi
  Developed Java Swing desktop applications for business-to-business communication and reporting. Built database schemas and mentored junior team members.

Skills

• Spring Boot
• Microservices
• Distributed Systems
• System Design
• AWS
• GCP
• Kubernetes
• Docker
• Apache Kafka
• LLM Integration
• Prompt Engineering
• Generative AI APIs
• Oracle
• Sql
• Restapi
• Junit
• Mocito
• High level design
• Low level design
• Team management

Links

• LinkedIn

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