Sivashankar Thiyagarajan
Engineering Leader
Chennai
Summary
- Accomplished Engineering Leader with 18 years of experience in leadership and technical architecture
- Successfully established high-performance engineering teams. Expertise in building large-scale distributed
transactional and analytical systems, including greenfield and brownfield applications - Strong subject matter knowledge in areas such as payment switch, tokenization, merchant payouts, payment aggregation,
payment orchestration, mutual funds RTA, and two-sided marketplaces - Worked with top-tier companies
including Paypal, Pine Labs, Freshworks, and CAMS.
Overview
18
18
years of professional experience
8
8
years of post-secondary education
Work History
Head of Engineering , Vice President
Computer Age Management Services
Chennai, Tamil Nadu
07.2024 - Current
- Building 130 member Engineering Organization from ground up leading Engineering, DevSecOps and SRE
- Driving Cloud transformation and re-architecture of the Brownfield Mutual Funds Registrar and Transfer Agency capabilities to Google Cloud Platform
- Transformation of the monolithic application to an elastically scalable distributed microservice architecture. The system is designed to handled 100 million transactions per day at peak
- Driving the buildout out of a Data Product which can offer self service reports and Insights to Fund houses, Distributors and Investors
- Built a RAG based AI application on top of VertexAI to enable developers and product in the discovery of the brownfield app using the existing Change Requests, Business Requirement Specifications
- Tech Stack includes Open API and GraphQL for APIs, Core Java, Spring and React Native for Applications, Terraform for Infra as Code, Big Query & Alloy DB for OLAP and OLTP respectively and GCP as Cloud Infrastructure
Director of Engineering
Freshworks
Chennai, Tamil Nadu
10.2023 - 07.2024
- Responsible for Engineering leadership for Customer Relationship Management core modules leading team of 50
- Leading overall Developer productivity charter. Defined a process using SPACE framework to measure and improve the productivity
- Leading team of architects in re-architecture of legacy applications written in Ruby on Rails to Java based Microservices stack
- Established North Star for overall Quality Improvements and enabled testability of code through workflows based on automatic test scenario generation through AI
Director of Engineering, Online Payments
Pine Labs
Chennai, Tamil Nadu
11.2021 - 10.2023
- Head of Engineering for Online Payments
- Established a 75-person geo distributed Online Payments org, coached the Team in the Fintech ,Technology, and Application Architecture and scaled the payment gateway business to 4000+ crores GTV month month-on-month in less than a year
- Rearchitecture of the Legacy Monolith to reactive Microservices Architecture in Cloud Native Stack and scaled the Platform to 25x in terms of throughput
- As revenue generators for the organization, established the Value Added Services Stack for Merchants such as Affordability, Payouts, Tokenisation and Subscription
- Designed and monitored project schedules and project manager assignments
Senior Engineering Manager / Senior MTS
PayPal
Chennai
11.2014 - 10.2021
- Leading the Technical Architecture for Switch & Tokenisation Payments
- Responsible for the Design and Development of the Payments Switch in the Reactive & Microservices Architecture and the overall Platform Scalability, Availability, Observability, and Resilience
- Scaled the Platform to handle ~2.5 Million Payment Gateway Transactions per day
- Addressed design problems and examined various design approaches for effective delivery of Product capabilities
- Managed 20+ Engineering team for both Platform and Business engineering charters
Senior Engineer
Altimetrik India Pvt Ltd
Chennai
09.2013 - 10.2014
- Technical Lead for team of 10+ engineers
- Design and Development of Subscription & Recurring Payments product
- Established and maintained productive working relationships with stakeholders
- Defined engineering problems, collected data, established facts and drew conclusions to solve project issues
- Implementation of Feature Requests for existing applications in Payment Gateway
- Mentored and coached entry-level and junior engineers to improve talent and boost skill levels
Senior Software Engineer
Computer Sciences Corporation
Chennai
08.2011 - 09.2013
- Design and development of new products Merchants using Gateway Applications
- Implementation of Feature Requests for existing applications in Payment Gateway
- PCI Compliance Projects
- Collaborate and work with Product Owner and QA team to reduce live bugs by performing root cause analysis and moving quality upstream
- Demonstrated experience and good hands-on programming experience in Core Java, Spring and Struts
- Worked with project managers, developers, quality assurance and customers to resolve technical issues
- Trained and mentored junior developers and engineers, teaching skills in domain & technology and working to improve overall team performance
Analyst
BA Continuum Pvt Ltd
Chennai
09.2010 - 08.2011
- Understand Legacy Applications that are used to calculate Market Risk and to provide reports to Risk Management Team
- Study legacy Merrill Lynch Trading and Risk Management Applications for integrating and developing into unified system
- Identify areas of Process Improvements and help Team Members in implementing the same
- Implementation of new Features and Automation of the Risk Reports
- Conducted system analysis and implementation to maintain and improve Risk Management systems
- Enhanced interfaces to promote better functionality for users
- Optimized core processes to improve business performance and operational agility
IT Analyst
Tata Consultancy Services
Chennai
06.2006 - 08.2010
- Worked as Full Stack Engineer
- Feature Requests and Implementation of Registrar and Transfer Agencies
- Clearing & Settlement for Derivatives & Equities
- Automation of Functional test cases
- Lead team of 6 engineers
- Investigated system issues and implemented resolutions to reduce downtime
- Improved systems with addition of new features and infrastructure
Education
Post Graduate - Executive MBA
Great Lakes Institute of Management
Chennai 01.2020 - 04.2022
Post Graduate - Blockchain Management
Amity University
Noida 01.2018 - 04.2019
B Tech - Chemical Engineering
Coimbatore Institute Of Technology
Coimbatore 01.2002 - 04.2006
Skills
Enterprise Architecture
Timeline
Head of Engineering , Vice President
Computer Age Management Services
07.2024 - Current
Director of Engineering
Freshworks
10.2023 - 07.2024
Director of Engineering, Online Payments
Pine Labs
11.2021 - 10.2023
Post Graduate - Executive MBA
Great Lakes Institute of Management
01.2020 - 04.2022
Post Graduate - Blockchain Management
Amity University
01.2018 - 04.2019
Senior Engineering Manager / Senior MTS
PayPal
11.2014 - 10.2021
Senior Engineer
Altimetrik India Pvt Ltd
09.2013 - 10.2014
Senior Software Engineer
Computer Sciences Corporation
08.2011 - 09.2013
Analyst
BA Continuum Pvt Ltd
09.2010 - 08.2011
IT Analyst
Tata Consultancy Services
06.2006 - 08.2010
B Tech - Chemical Engineering
Coimbatore Institute Of Technology
01.2002 - 04.2006
Awards
- CEO's Award for Employee of the Year in Pine Labs
- Critical Talent Award in PayPal
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