Preethi Panneerselvam

Senior Software Engineer

ResMed

Nov 2024 - Current (2 years)

Developing and optimizing scalable microservices architecture using Java Spring Boot, ensuring high availability and performance. Managing and deploying services in Kubernetes, enhancing system resilience and container orchestration. Integrating MongoDB as a NoSQL database for efficient data storage and retrieval. Implementing event-driven architecture with Kafka, ensuring seamless real-time data streaming and inter-service communication. Enhancing system reliability by optimizing API performance, monitoring logs, and implementing robust error-handling mechanisms. Collaborating cross-functionally with DevOps, frontend teams, and product managers to deliver scalable and high-performance solutions.

Senior Software Engineer AWS

ResMed

Mar 2022 - Nov 2024 (2 years 9 months)

Contributed to the design, development, testing, and operations of ResMed's next-generation healthcare data platform, built on AWS FHIRWorks, TypeScript, and Terraform. Developed and optimized cloud-native solutions using AWS DynamoDB, Lambda, and OpenSearch, ensuring scalable and efficient data processing. Enhanced CI/CD workflows with GitHub Actions, AWS CodePipeline, and CodeBuild to streamline deployment and automation. Implemented secure access control with AWS IAM and Amazon Verified Permissions, ensuring compliance with healthcare data security standards. Utilized Cedar policies for fine-grained access control in distributed systems. Collaborated with cross-functional teams to drive innovation in cloud-based healthcare solutions.

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Microservices Developer

XERRIS INC.

Nov 2020 - Feb 2022 (1 year 4 months)

• Worked as a Cloud Developer consultant for Aldo Shoes to re-write their e-commerce platform using AWS services, NodeJS/Typescript.
• Worked as a Senior Cloud Development Consultant for City of Medicine Hat to build their cloud-based applications from scratch and to train their developers into using AWS Services and .Net Core.
• Worked as a Micro Services Developer to build a tool for Aldo Shoes to calculate their employee bonus based on sales that is being used across their 3000 stores worldwide using AWS Services, Nest JS and Carbone JS
• Worked as a Micro Services Developer to build an internal tool – sizing poker for Agile Delivery using GCP, C#.Net and Postgresql
• Involved in architecture design, code review, CI/C

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Software Developer

Oct 2018 - Nov 2020 (2 years 2 months)

• Made product improvements and maintenance for LDMS system – Laboratory Data Management System used by more than 50 cement plants across north America
• Converted multiple services written in VB.Net to .Net core-based services
• Worked on a research project using Identity Server presented to the company CEO and got the approval
• Worked on their CI/CD automation
• Worked on fixing production bugs and product improvements on one of their critical and highly data driven products Pile Modeler and helped get more clients on this project. This project is based on .Net and SQL

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Application Developer

PMP Services

Sep 2017 - Aug 2018 (1 year)

• Worked on a project that generates bookkeeping reports using .Net, C# and SQL
• Involved in requirement gathering and analysis
• Involved in application design, development, and testing

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Business System Analyst

Aug 2016 - Jul 2017 (1 year)

- Major responsibility of this role is to provide support for internal clients in investments related applications - Providing support in Charles River Trading System application and few of Aimco's in house applications such as Fundamental Factors Automation and Barra related applications. - Providing support for applications written in Excel VBA Macros, vendor applications related to investments such as portfolio construction, Public Equity Quants and Public Equity Indexes

Software Engineer

Odessa

Jun 2012 - Apr 2016 (3 years 11 months)

• Worked on various projects for different banks including PNC Financial, Meridian Leasing Corp, Aztec Financial and First Financial Bank to develop Lease Wave – Lease and Loan Finance automation product based on their requirements using C#.Net, MVC and SQL
• Worked on their next gen product and developed Loan Interim Income for Lease Wave from scratch using .Net and SQL
• Worked on a Data Analytics project and generated reports using SSRS and Crystal Reports
• Worked on a document Generation Project using OpenXML
• Worked on major production bug fixes

Senior Software Engineer

Odessa

Jun 2012 - Apr 2016 (3 years 11 months)

Preethi Panneerselvam

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Preethi Panneerselvam

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