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Shawn Tan

@shawntan1

I build .NET SDKs, event-driven integrations, and marketing platform capabilities across AWS.

I've built the EventStream .NET SDK at Cheetah Digital and Zeta Global, enabling messaging-activity events through gRPC, Kafka, and HTTP for downstream analytics. I now work on Zeta Marketing Platform, a Ruby on Rails application integrated with AWS DynamoDB and Lambda.

Across financial trading, insurance claims, and cross-channel marketing systems, I've delivered features, automation, storage components, and production support using C#, ASP.NET, SQL Server, AWS, and Docker. I also plan features, review code, write technical documentation, and help engineers troubleshoot implementations.

Experience

Work history, roles, and key accomplishments

Current

Senior Engineer

Current

Zeta Global

Dec 2024 - Present (1 year 9 months)

Working on the Zeta Marketing Platform, a Ruby on Rails application integrated with AWS DynamoDB and Lambda, following an internal team transfer. Developed the EventStream .NET SDK and supported early development of Rich Communication Services (RCS) and the Mobile Inbound Service (MIS).

Ruby on Rails DynamoDB AWS Lambda .NET EventStream RCS MIS

Senior Software Engineer

Bell Direct

Jan 2024 - Dec 2024 (11 months)

Developed financial trading software using .NET Framework and WinForms, delivering features, technical documentation, and code reviews. Built a bulk account-update utility that parsed changes from uploaded Excel files and applied updates programmatically.

.NET Framework WinForms C#Excel Technical Documentation Code Review

Engineer / Senior Engineer

Cheetah Digital

Feb 2019 - Sep 2024 (5 years 7 months)

Built the EventStream .NET SDK for messaging-activity events via gRPC, Kafka, or HTTP. Developed components of the Universal Storage Framework, a DynamoDB-backed distributed storage layer, and maintained a cross-channel marketing platform using ASP.NET, C#, and SQL Server.

C#ASP.NET .NET Framework Microsoft SQL Server Kafka gRPC HTTP Based APIs DynamoDB AWS SNS EventStream SDK Universal Storage Framework WebEvents Real Time Export Java

Software Developer

Merimen Online Sdn Bhd

Aug 2016 - Feb 2019 (2 years 6 months)

Developed insurance claims systems using ColdFusion and Microsoft SQL Server, delivering reporting and workflow features for insurers. Built adjuster-evaluation and fraud-reporting modules and participated in server load testing.

ColdFusion Microsoft SQL Server Reporting Workflow Management Fraud Reporting Load Testing

Management Trainee

Prasarana Malaysia Berhad

Jun 2016 - Aug 2016 (2 months)

Completed rotations across Prasarana subsidiaries to learn their operations and responsibilities.

Software Developer

Origin Integrated Studios

Mar 2016 - May 2016 (2 months)

Developed Java EE hospital information systems and electronic medical records, including a responsive patient-intake module for recording height, weight, and temperature.

Java EE Hospital Information Systems Electronic Medical Records Responsive Design

Education

Degrees, certifications, and relevant coursework

Universiti Tenaga Nasional (UNITEN)

Bachelor in Information Technology (Information Systems) (Honours), Information Technology (Information Systems)

Grade: CGPA: 3.88 / 4.00

Activities and societies: Dean's List: Sep 2012 - Oct 2015

Bachelor in Information Technology (Information Systems) with Honours, achieving a CGPA of 3.88 out of 4.00 and being on the Dean's List from September 2012 to October 2015.