Shailesh Ahuja is a Staff Software Engineer based in Singapore with 12 years of experience building scalable, production-critical systems across startups and large tech companies. He blends hands-on engineering (Python specialist) with product and team leadership, having led teams at Meta, Bear Robotics, and fintech/crypto trading at Caladan to deliver high-availability services and multi-million-dollar deployments. He has deep operational chops—running Kubernetes on GCP with Terraform, migrating real-time robot-cloud communication to MQTT, and integrating blockchain and exchange APIs for DeFi/CeFi arbitrage. An active contributor to scientific open-source (notably improving astropy.io.fits handling of masked FITS tables), he brings a strong generalist’s instinct for correctness, testing, and measurable business impact. Colleagues rely on him for clear technical direction, pragmatic trade-offs, and shipping resilient systems under uncertainty.
12 years of coding experience
10 years of employment as a software developer
High School Science and Computers, High School Science and Computers at Delhi Public School
Bachelor's Degree Computer Science, Bachelor's Degree Computer Science at Nanyang Technological University Singapore
Contributions summary:Shailesh primarily focused on improving the `astropy.io.fits` module by addressing issues related to writing masked tables to FITS files. Their contributions involved changing the default fill value for float columns to NaN, ensuring proper masking with different data types. They added test cases and modified the code to use `np.allclose` for more accurate float comparisons, and also updated the changelog.
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