Steven Fackler
Software Developer at Palantir Technologies
California, United States
Summary
🤩
Rockstar🎓
Top SchoolSteven Fackler is a seasoned software developer with 13 years of experience building robust backend systems and infrastructure, currently based in California and working at Palantir Technologies. A Carnegie Mellon-trained mathematician and computer scientist, he brings deep systems and low-level expertise demonstrated by extensive contributions to the Rust ecosystem—ranging from core libraries like serde, tokio, and rand to critical tooling such as cargo and crates.io. His work often focuses on cross-platform compatibility, safety, and API design, for example modernizing macOS/iOS Core Foundation bindings, adding socket and TLS support across platforms, and improving serialization and versioning logic. Comfortable across both production code and developer tooling, he combines careful refactors with pragmatic fixes that improve maintainability and performance. Colleagues can expect a developer who prefers durable design choices and has a track record of shipping widely used open-source primitives that underpin other projects.
13 years of coding experience
Bachelor of Science (BS), Mathematics, Bachelor of Science (BS), Mathematics at Carnegie Mellon University
Stackoverflow
1,230reputation
44kreached
6answers
0questions
rust
top-5%
Github Skills (103)
postgresql10
testing10
http10
c1110
digital-signature10
c1710
databinding10
uuid10
mtls10
deserialization10
hyper10
hashtable10
backend10
concurrency10
rust-lang10
Programming languages (19)
Github contributions (5)
estk/log4rs
Jan 2015 - May 2019
A highly configurable logging framework for Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 433 commits, 25 PRs in 4 years 4 months
Contributions summary:Steven primarily focused on the development of a logging framework in Rust. Their contributions involved refactoring the API, adding new features like configurable time zones, and providing test programs. They also worked on implementing a JSON encoder and made adjustments to the existing pattern encoders for formatting the output log messages, which involved restructuring the API to better align with existing logging libraries.
loggingrustjsonxml
rust-openssl/rust-openssl
Dec 2013 - Jan 2023
OpenSSL bindings for Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:141 releases, 356 reviews, 2332 commits in 9 years 2 months
Contributions summary:Steven contributed to the OpenSSL bindings for Rust project, primarily focusing on enhancing the signing and verification features within the library. Their work included the addition of methods for handling various aspects of signatures, such as generating, verifying, and providing access to the underlying signature data. They also expanded support for cryptographic algorithms such as SHA256, and implemented session-related functionalities, specifically to support cookie-based session resumption mechanisms.
opensslrust
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