Phillip Calvin is a seasoned technology leader and current CTO based in New York with 16 years of experience building and scaling remote engineering teams for mission-critical transportation systems. He rose through hands-on roles—developer to VP of Engineering—at Eleos Technologies, where he grew the team, improved engineering processes, and maintains uptime for systems serving thousands of truckers nationwide. Comfortable across a polyglot stack (Clojure, Erlang, Ruby) and cloud platforms (Heroku/AWS), he pairs deep backend experience with product-focused delivery. An open-source contributor to Erlang AWS tooling, he has improved robustness by adding UTF-8 support and retry logic for transient errors, reflecting a pragmatic focus on reliability. Colleagues describe him as a leader who builds space for sustainable, high-quality work while keeping teams aligned to operational outcomes.
16 years of coding experience
20 years of employment as a software developer
J.L. Mann High School
B.S. Computer Science, B.S. Computer Science at Furman University
AWS APIs library for Erlang (Amazon EC2, S3, SQS, DDB, ELB and etc)
Role in this project:
Back-end Developer
Contributions:5 commits in 4 months
Contributions summary:Phillip primarily contributed to the Erlang-based AWS APIs library. Their work involved adding UTF-8 support to HTTP requests and responses, improving compatibility. Furthermore, the user implemented automatic retry mechanisms for 503 errors within the SimpleDB module, enhancing the robustness of the library. Several tests were also created and refactored, indicating a focus on improving the stability of the library.
Contributions:3 PRs, 11 pushes, 6 branches in 2 years 8 months
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Phillip Calvin - Chief Technology Officer at Eleos Technologies