Batjargal Bayarsaikhan
Senior Software Engineer at Zanda Health
Ulaanbaatar, Mongolia
Summary
🤩
Rockstar🎓
Top SchoolBatjargal Bayarsaikhan is a Senior Software Engineer with a decade of hands-on experience building and maintaining enterprise web applications, from ERP and CRM systems to healthcare-focused platforms. He blends strong full-stack C#/.NET expertise with growing Python ML/DL skills and cloud-native experience on AWS and Azure, and has a track record of improving performance and automating costly manual processes. At Microsoft he designed a SQL persistence layer and contributed database partitioning and change-capture stored procedures to the widely used FHIR Server project, demonstrating production-grade database and healthcare data expertise. As a team lead and mentor he has introduced CI/CD, cut deployment times, and accelerated team productivity through tooling and architecture improvements. Based in Ulaanbaatar, he seeks product challenges that handle massive data and concurrency where machine learning can add real-world impact.
8 years of coding experience
11 years of employment as a software developer
Bachelor of Science Computer Hardware and Software Engineering, Bachelor of Science Computer Hardware and Software Engineering at The Mongolian University of Science and TechnologyMaster's degree Computer Science Data Science Specialization, Master's degree Computer Science Data Science Specialization at Maharishi International UniversityEnglish Language Certificate, English Language Certificate at Lovely Professional University
English, Mongolian
Stackoverflow
85reputation
11kreached
3answers
0questions
Github Skills (18)
stored-procedures10
schema-design10
partitioning10
sql-server10
sql10
database-design10
db-schema10
database-schema10
schema10
smart-on-fhir9
hl7-fhir9
cell6
gac6
oracle6
asp-net6
Programming languages (6)
Github contributions (5)
microsoft/fhir-server
Jul 2021 - Dec 2021
A service that implements the FHIR standard
Role in this project:
Database Engineer / Database Administrator
Database Engineer / Database AdministratorContributions:128 reviews, 6 commits, 15 PRs in 5 months
Contributions summary:Batjargal's primary contributions focused on database schema design and stored procedure development within the context of a FHIR server. They added new tables, specifically `ResourceChangeData`, `ResourceChangeType`, and others to capture resource change information. The user implemented stored procedures like `CaptureResourceChanges`, `FetchResourceChanges`, `ConfigurePartitionOnResourceChanges`, `RemovePartitionFromResourceChanges` and `AddPartitionOnResourceChanges` to manage and query the resource change data, including a migration to a partitioned table to improve performance. Their work demonstrates a strong understanding of SQL Server and database administration best practices within a healthcare data context.
hl7fhirazure-cosmos-dbazure-app-servicefhir-standard
bbatjargal/BDTwitrend
Mar 2018 - Mar 2018
The class project of Big Data Technology course in March 2018 at MUM
Contributions:26 commits, 22 pushes, 1 branch in 4 days
d3jshbasejavakafkakafka-consumer
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