Timothy Dijamco
Software Engineer at Two Sigma
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolTimothy Dijamco is a software engineer with 11 years of experience based in New York, currently building production systems at Two Sigma. He brings a strong backend focus, contributing to open-source projects like the ibis portable Python dataframe library—improving PySpark integration, UDF handling, and cross-backend validation—which highlights his practical experience with data processing stacks. Timothy’s internship work spans top-tier engineering environments including Tesla and Audible, where he delivered mobile and backend services and collaborated closely with UX and product teams. Early roles at research and academic labs sharpened his skills in automation and scientific tooling, including MATLAB-based image and microscope software. He combines solid engineering fundamentals with hands-on contributions to scalable data tooling, and a knack for stabilizing complex integrations that cross multiple runtimes and backends.
10 years of coding experience
4 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at New Jersey Institute of Technology
Stackoverflow
11reputation
0reached
1answer
0questions
Github Skills (14)
pandas10
pyspark10
backend10
back-end-development10
python10
spark9
array-iterator8
array-comparison8
array-merge8
operation8
sql8
set-operations8
material-design6
android6
Programming languages (2)
Github contributions (5)
ibis-project/ibis
May 2020 - Nov 2021
the portable Python dataframe library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:97 reviews, 33 commits, 53 PRs in 1 year 5 months
Contributions summary:Timothy primarily contributed to the PySpark backend of the Ibis library, addressing compiler errors related to elementwise UDFs and adding support for the Union operation. They also implemented validation for UDF output types and allowed vectorized UDFs to accept *args. Furthermore, the user fixed issues related to Pandas backend window operations and UDFs. The user's work focused on enhancing the functionality, fixing bugs, and improving the integration of Ibis with various data processing backends, especially PySpark.
polarspythondaskdataframesdata-science
timothydijamco/ibis
May 2020 - Jul 2023
A pandas-like deferred expression system, with first-class SQL support
Contributions:176 pushes, 45 branches, 1 tag in 3 years 2 months
sqlpythondeferredpandas
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.