Summary
Overview
Work History
Education
Core Competencies
Accomplishments
Education And Work Status
Timeline
AdministrativeAssistant
JANARDHAN ARJUNAN

JANARDHAN ARJUNAN

Senior Manager Of Engineering
Bentonville,Arkansas

Summary

Strategic and results-oriented Senior Engineering Manager with over 17 years of experience delivering enterprise-scale solutions across Retail and HR domains, including 1.5 years leading platform transformation in Benefits Administration at Walmart. Adept at building and scaling engineering teams, driving architecture modernization, and delivering measurable business value. Brings a unique blend of deep technical acumen and leadership capability, with extensive experience in Compensation, Benefits, and Payroll systems, and strong expertise in both Python and cloud-based architecture modernization.

Overview

16
16
years of professional experience
2009
2009
years of post-secondary education

Work History

Senior Engineering Manager

Walmart
05.2024 - Current
  • Led a 14-member engineering team to build Walmart's next-generation Benefits Administration Platform from the ground up, replacing a legacy mainframe system that previously handled over 650 jobs.
  • Spearheaded the development of a Self-Service Benefits Administration Platform supporting configurable components, rule-based workflows, and governance.
  • Established a robust simulation and testing framework to validate system behavior across a wide array of scenarios, improving release reliability.
  • Explored and integrated AI-driven capabilities to enhance operational alerting, logging, and performance metrics, significantly reducing manual intervention.
  • Successfully onboarded the first benefit plan under the new architecture, marking a major milestone in production rollout.

Principal Software Engineer

Walmart Inc
12.2023 - 04.2024
  • Led engineering efforts for three key compensation products (BasePay, Bonus, and Stock), ensuring system reliability, performance, and business alignment.
  • Guided architectural evaluations and modernization strategies to align compensation systems with long-term enterprise vision.
  • Collaborated with senior engineers across multiple domains to co-create scalable and maintainable design blueprints.
  • Mentored engineers across the product teams, providing technical direction, design reviews, and hands-on problem solving.
  • Actively removed team-level impediments to ensure timely and quality delivery of mission-critical features.Mentored engineers and removed impediments to accelerate feature delivery.

Staff Software Engineer

Walmart Inc
10.2022 - 12.2023
  • Led design and engineering delivery across three compensation products (BasePay, Bonus, and Stock), aligning teams to enterprise goals and tech standards.
  • Directed the end-to-end modernization of the legacy bonus and equity systems from mainframe to cloud-native infrastructure, ensuring data integrity and user experience enhancements.
  • Orchestrated technical discovery and cross-team collaboration to define scope and architecture for a large-scale transformation initiative.
  • Drove cloud infrastructure and code optimizations that resulted in a 60% reduction in cloud budget usage.
  • Partnered with engineering leadership on strategic initiatives to align compensation systems with pillar-wide modernization goals.Partnered with enterprise teams on pillar-level initiatives and domain-wide integrations.

Senior Software Engineer

Walmart
08.2020 - 10.2022
  • Led delivery of Annual Pay Cycle for Base Pay and Long-Term Incentives.
  • Migrated Equity Administration to a new vendor, ensuring business continuity.
  • Ensured zero downtime during high-risk deployments (WAR Room operations).

Technology Lead

Infosys Limited
01.2016 - 08.2020
  • Acted as Scrum Master and coordinated delivery across onshore and offshore teams.
  • Automated manual workflows, saving over $200K annually.
  • Provided architectural solutions and training for compensation systems.

Technology Analyst

Infosys Limited
10.2009 - 12.2015
  • Delivered key HR system components using COBOL, DB2, and CICS.
  • Mentored junior engineers and maintained consistent delivery quality.
  • Created reusable services and ensured 100% compliance with SLA.

Education

Bachelor of Technology - Information Technology

Kumaraguru College of Technology
Coimbatore Tamilnadu

Core Competencies

  • Leadership & Strategy: Engineering Management · Team Building · Agile Transformation · Stakeholder Collaboration · Cross-Functional Alignment
  • Technical Proficiency: Python · Java · Spring Boot · COBOL · JCL · DB2 · Azure SQL · GCP · Docker · Postman · Confluence
  • Cloud & DevOps: Azure · GCP · Cosmos DB · Containerization · Performance Optimization
  • Tools & Platforms: PyCharm · DBeaver · Azure Data Studio · ISPF · SQL Assistant · Microsoft Office · IntelliJ
  • Certifications: Azure Fundamentals (AZ-900) · Certified Scrum Master
  • Soft Skills: Strategic Planning · Decision Making · Mentorship · Communication

Accomplishments

  • Saved $450,000 annually by fixing performance issues, Reduced CPU time and run time
  • Achieved 'Bravo! Award (On the Spot)' twice, Zero UAT defects and successful project completion
  • Achieved 'Rising Star Award (Most Valuable Person)', Timely delivery and customer satisfaction
  • Saved effort and cost by automating reports, Annual savings of up to $220,000

Education And Work Status

Bachelor of Technology, 2009, H1-B, Bentonville, Arkansas

Timeline

Senior Engineering Manager

Walmart
05.2024 - Current

Principal Software Engineer

Walmart Inc
12.2023 - 04.2024

Staff Software Engineer

Walmart Inc
10.2022 - 12.2023

Senior Software Engineer

Walmart
08.2020 - 10.2022

Technology Lead

Infosys Limited
01.2016 - 08.2020

Technology Analyst

Infosys Limited
10.2009 - 12.2015

Bachelor of Technology - Information Technology

Kumaraguru College of Technology

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