SIVAKUMAR MATHIVANAN
Software Engineer · Toronto, ON

Sivakumar
Mathivanan

Software engineer with 8+ years delivering payment-messaging platforms and enterprise HR systems for global financial institutions.

Summary

Software engineer with eight-plus years of experience across banking infrastructure and enterprise HR systems, holding a Master of Science in Computer Science from Binghamton University (SUNY). Areas of focus include zero-downtime migration of live integrations, ISO 20022-compliant payment messaging, and building frameworks that other engineering teams rely on.

Based in Toronto, Ontario, Canada, and open to full-time opportunities.

Experience

2021 — 2023

Citizens Bank N.A.

Software Engineer II, HR Technology Services — Johnston, RI

  • Migrated live ATS integrations from Taleo to Oracle Recruiting Cloud, defining API specs compatible with the enterprise middleware architecture.
  • Built and maintained end-to-end interfaces sharing HR data with business lines via APIs and flat files.
  • Presented integration approaches to the Architecture Review Board, shaping solutions used across HR applications.
2015 — 2017

Edgeverve Systems Limited

Senior Software Engineer — Chennai, India

  • Implemented and customized the Finacle Enterprise Payments Platform (FEPP) for large-scale financial institutions.
  • Upgraded SWIFT network validations across every FEPP-generated message to meet ISO 20022 compliance.
  • Built and maintained FireStone, an in-house issue-tracking system used by roughly 5,000 employees.
2011 — 2015

Infosys Limited

Software Engineer — Chennai, India

  • Helped modularize FEPP out of its parent platform, Finacle Core UBS.
  • Built a shell-scripting tool to automate code compilation and version-controlled check-ins on Unix.
  • Extended JavaScript frameworks to generate payment message structures for banks and merchants.

Academic & Research

Mar 2020 – Mar 2021

Research Intern

Watson School, Binghamton University — post-graduate research role following completion of the Master's program.

Research
May 2019

Equities Management System

MEAN-stack application for tracking day-to-day equity transactions and records. Master's termination project.

MongoDBAngularNode.js
Feb 2019

Distributed P2P Lookup Service

Scalable peer-to-peer lookup service; a distributed key-value store built with Cassandra, Chord DHT, and Protobuf.

CassandraChord DHTPython 3
Feb 2019

STL & Advanced OOP

Implemented Standard Template Library containers, maps, and shared pointers from scratch in C++ on Linux.

C++STL
Aug – Dec 2018

Student Registration System

Database Systems coursework: built a registration system using Oracle SQL, documented with Excel and Word.

Oracle SQL
Jan – May 2018

Design Patterns in Java

Implemented classic design patterns in Java, managing the project with Ant, GitHub, JUnit, and JavaDocs.

JavaJUnit

Skills

Languages
C++, C, Python, Java, JavaScript, SQL
Platforms & Tools
Eclipse, Git, Linux, Vim, Oracle DB, Oracle Cloud HCM, ODI, OIC, MS Visio, SQL Developer, Jira
Web & Data
HTML5, Perl, Shell Scripting, MongoDB, Angular, Node.js

Education

December 2019

Master of Science, Computer Science

Thomas J. Watson School of Engineering and Applied Science, Binghamton University (SUNY) — Major GPA 3.4/4.0
April 2011

Bachelor's, Computer Science Engineering

Jeppiaar Engineering College, Anna University — Major GPA 80.17/100.00

Certifications & Leadership

  • November 2020
    Oracle Cloud Infrastructure Foundations Certificate
    Johnston, RI — certified on OCI's core features and services.
  • October 2019
    IBM Blockchain Workshop Certificate
    Binghamton, NY — Hyperledger Composer, Hyperledger Fabric, and the IBM Blockchain Platform.
  • Jan 2018 – Dec 2019
    Binghamton University ACM Chapter, Member
    Participated in campus hackathons and ACM tutorials.
  • Feb 2018 – Dec 2019
    Binghamton University Data Science Chapter, Member
    Attended and collaborated on Python tutorials.
  • Since Aug 2012
    Quiz Foundation of India, Member
    Hosted and presented quizzes across India.

Awards

  • Credo Award — Best Colleague
    Citizens Bank N.A., Johnston, RI — September 2022
  • Best Project Design & Delivery — Database Systems
    Binghamton University — November 2018
  • 2nd Place — TATA Crucible Business Quiz
    Chennai, India — June 2016
  • Top Ranker, Undergraduate Studies
    Chennai, India — April 2011
  • 100% — State Level Mathematics Public Exam
    April 2007