MUNIRAJ GURUSAMY
Seattle,WA
Summary
With over 11 years of experience as a Software Development Manager and Engineer, I bring a proven track record of delivering robust and resilient high-performance orchestration platform, distributed big data processing systems that handles 3000 TPS for real-time and 100,000 RPS for batch processing, and lead cross-functional teams (Product Managers, Finance Team, Partner Tech Team and Stakeholders) to deliver net profit/loss calculation for 30B items shipped per month in Amazon.
Overview
13
13
years of professional experience
Work History
Senior Manager
Expedia Group
Seattle, WA
12.2024 - Current
- Worked with 30+ key leaders (including Distinguished Engineers, Principal Engineers, and directors/VPs) across different organizations to implement a governance framework for pre-production integration environment stability.
- Implemented solutions to enable developers across EG to overcome the testability challenges in pre-production integration environment.
Software Development Manager
Amazon Profit Intelligence
Seattle, WA
03.2021 - 11.2025
- Delivered a robust and resilient, high-performance, config-driven orchestration platform to reduce 70% of the operational overhead associated with workflow failures.
- Launched distributed big data processing system that handles 3,000 TPS for real-time processing and 100,000 RPS for batch processing system.
- Lead 12 SDEs, promoted 5 engineers, and mentored team to improve their technical skills to deliver quality software.
- Implemented strategic plan to balance short-term and long-term goals to support new business onboarding through self-service.
- Prioritized re-architecture to reduce 50% infrastructure cost and SLA by improving the performance of the distributed data processing system through horizontal scaling and deprecation of the monolithic processing system.
- Spearheaded the migration of the legacy system to a config-driven architecture to save 70% of engineering time.
- Drove cross-functional collaborations with Product Managers, Finance Team, Partner Tech Team, and Stakeholders to define methodology and integrate data sources to launch hundreds of accuracy improvements to calculate net profit/loss for every item shipped by Amazon.
- Improved the testability of our system through 10% production data clone testing to catch code, config, and business rule issues early before deployment.
- Delivered Anomaly detection systems to reduce $4B data quality restatement per year.
Software Development Team Lead
Amazon Profit Intelligence
Seattle, WA
10.2019 - 02.2021
- Lead and built stream-based ingestion orchestration to integrate with 10 upstream APIs and 15 event sources.
- Solved complex profitability computation for global store business orders that spans across different marketplaces in the world with $4B market cap in 2020.
- Launched pilot project for sellers to get insights through poll on Amazon home page.
Software Development Engineer
AWS SageMaker GroundTruth
Seattle, WA
09.2017 - 09.2019
- Launched first version of workforce management service (API, UI and Auth) for AWS Sage Maker Ground Truth in 2018 AWS re:Invent to support private/public workforces. Built APIs to manage human workforces for involving humans in the loop to train the ML model, like labeling, image annotation, etc.
Software Development Engineer
TenMarks Education (an Amazon Company)
Chennai, India
02.2015 - 08.2017
- Developed APIs to encrypt/decrypt the TenMarks data and resolved network layer connectivity challenges, integrating with Amazon prod network from an external system.
- Re-architected TenMarks Content Management System to upload new curricula and integrated with SIS data to manage student details.
Software Development Engineer in Test
Microsoft
Hyderabad, India
06.2013 - 02.2015
- Developed a bunch of automation tools to validate data issues and automate user scenarios to catch server deployment and live site issues, in order to achieve continuous deployment.
Software Developer Intern
Commvault
12.2012 - 02.2013
- Commvault Client-Server Team (Backup and Recovery Software): Increased client-server communication performance by 5X by improving the decoder and reducing the message size using Protocol Buffers.
Education
Bachelor in Computer Science Engineering -
Government College of Technology
Coimbatore, India05.2013
Skills
- Project Management
- System Architecture
- Strategic Planning
- Coaching
- Talent Management
- Agile Methodologies
- Java
- SQL
- CI/CD
- Backlog Management
- Risk Management
- AWS Technologies (S3, Kinesis, SQS, Lambda, etc)
Timeline
Senior Manager
Expedia Group
12.2024 - Current
Software Development Manager
Amazon Profit Intelligence
03.2021 - 11.2025
Software Development Team Lead
Amazon Profit Intelligence
10.2019 - 02.2021
Software Development Engineer
AWS SageMaker GroundTruth
09.2017 - 09.2019
Software Development Engineer
TenMarks Education (an Amazon Company)
02.2015 - 08.2017
Software Development Engineer in Test
Microsoft
06.2013 - 02.2015
Software Developer Intern
Commvault
12.2012 - 02.2013
Bachelor in Computer Science Engineering -
Government College of Technology
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