Alex Theimer
Distributed Systems Software Engineer at Apple
Cambridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Theimer is a Distributed Systems Software Engineer based in Cambridge, MA, with five years of professional experience and an MIT B.S. in Computer Science and Engineering. A former active-duty U.S. Marine, he pairs operational discipline and leadership with deep technical chops in C, C++, Java, Python, C#, SQL, and x86/64 assembly. At Apple he focuses on scalable, production-grade distributed systems, and as an open-source contributor has extended FiloDB’s Prometheus-compatible query capabilities with new functions and hierarchical cardinality infrastructure. His research background in robotic task-and-motion planning shows strength in algorithm design and simulation tooling, and he emphasizes clear, consistent communication both in code and across teams.
5 years of coding experience
2 years of employment as a software developer
Bachelor of Science, Computer Science and Engineering, 4.7/5.0 GPA, Bachelor of Science, Computer Science and Engineering, 4.7/5.0 GPA at Massachusetts Institute of TechnologyTransfer Associate in Engineering Science, Computer Science, 4.0/4.0 GPA, Transfer Associate in Engineering Science, Computer Science, 4.0/4.0 GPA at Elgin Community CollegeMicrosoft Software and Systems Academy, Computer Science, 4.0 GPA, Microsoft Software and Systems Academy, Computer Science, 4.0 GPA at Central Texas College
English
Stackoverflow
43reputation
1kreached
1answer
2questions
Github Skills (10)
timeseries-database10
databases10
query-optimization10
distributed-systems10
prometheus10
database10
scala10
sql-server6
dynamic6
if-statement6
Programming languages (1)
Github contributions (5)
filodb/FiloDB
Oct 2021 - Dec 2022
Distributed Prometheus time series database
Role in this project:
Back-end Developer
Back-end DeveloperContributions:831 reviews, 70 commits, 313 PRs in 1 year 2 months
Contributions summary:Alex primarily contributed to the query functionality of the FiloDB time series database. They added a new `sgn()` instant-vector function, enhancing the query capabilities. They also implemented the `group()` aggregator, further extending the query language. Additionally, they worked on fixing a topk string bug and added infrastructure for hierarchical cardinality queries.
prometheustimeseries-databasescalatime-seriesdatabase
alextheimer/FiloDB
Oct 2021 - Jun 2026
Distributed Prometheus time series database
Contributions:3 PRs, 934 pushes, 185 branches in 4 years 9 months
time-series-databaseseries-databasedatabaseprometheusmetrics
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