Ashhar Hasan
Software Engineer at starburstdata trinodb
Gurugram, Haryana, India
Summary
🤩
RockstarAshhar Hasan is a software engineer with 11 years of experience specializing in back-end systems and open-source data platforms, currently contributing to Trino and Starburst Enterprise. Based in Gurugram, he is a Trino maintainer who focuses on connector reliability, query engine integrations, and pragmatic testing to keep distributed SQL systems production-ready. His contributions span Python client improvements (iterable cursors, prepared statement fixes), Hive and BigQuery connector work, and practical tests and docs for AWS Glue and CSV SerDe behavior. He also brings full-stack sensibilities from enhancing Debezium’s website UX and styling, and sharp algorithmic attention demonstrated by improving compression routines in popular Python coding challenge repos. Known for combining hands-on coding with careful QA, he often surfaces subtle edge cases in connector behavior and test suites before they reach users.
10 years of coding experience
Stackoverflow
852reputation
87kreached
14answers
11questions
Github Skills (33)
algorithm10
trino10
database-api10
bigquery10
python10
testing10
debezium10
databases10
java10
javas10
hive10
sql10
change-data-capture10
database10
data-engineering9
Programming languages (26)
Github contributions (5)
trinodb/trino-python-client
Jun 2020 - Jan 2023
Python client for Trino
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:633 reviews, 53 commits, 194 PRs in 2 years 6 months
Contributions summary:Ashhar primarily contributed to the Python client for Trino, focusing on implementing and testing features. They implemented the iterable interface for the cursor, improving data retrieval. The user also addressed issues with prepared statements, ensuring correct handling. Additionally, they made changes related to testing, including relaxing assertions and adjusting the testing environment.
data-analyticspythondbmssingerpython-client
trinodb/trino
Apr 2022 - Jan 2023
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Role in this project:Back-end Developer
Back-end DeveloperContributions:4505 reviews, 45 commits, 800 PRs in 9 months
Contributions summary:Ashhar contributed to the Trino project by implementing and documenting features related to the Hive and BigQuery connectors. Their work includes addressing issues with CSV SerDe properties in Hive, documenting new AWS Glue configurations, creating tests for Hive table creation and access rules. They were responsible for writing queries to access, analyze, and verify existing data, primarily to improve database connectors.
prestodbdbmsindexingjdbcbigdata
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