Chris Emerson
Senior Software Engineer at Roku Inc.
Greater Cambridge Area United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolChris Emerson is a senior software engineer with two decades of systems-level experience, currently developing embedded networking software for consumer electronics at Roku. He brings deep expertise in C/C++, Rust (maintainer of public crates like html2text and rlua), and multiple assembly dialects, with a strong background in Linux and embedded environments. His career spans automotive embedded systems and probabilistic information retrieval, reflecting a blend of real-time constraints and algorithmic thinking. At scale, he’s contributed QA and test automation improvements to core Rust tooling such as rustfmt and made memory-safety and alignment fixes to the rlua binding, showing attention to low-level correctness as well as toolchain quality. Based in the Greater Cambridge area and educated at the University of Cambridge, he pairs academic grounding with pragmatic delivery across long-term product lifecycles. Colleagues describe him as a quietly prolific open-source maintainer who prefers shipping robust, well-tested solutions over headlines.
13 years of coding experience
23 years of employment as a software developer
MA, Computer Science, MA, Computer Science at University of Cambridge
Stackoverflow
13,651reputation
589kreached
153answers
16questions
generics
top-5%
pattern-matching
top-5%
rust
top-1%
iterator
top-5%
Github Skills (21)
testing10
memory-management10
formatter10
binding10
lua10
formatters10
rustfmt10
rust10
pattern-matching9
build-automation9
iterator9
generics9
vector6
lifetime6
constants6
Programming languages (8)
Github contributions (5)
mlua-rs/rlua
Feb 2022 - Jul 2022
High level Lua bindings to Rust
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:21 reviews, 17 commits, 76 PRs in 5 months
Contributions summary:Chris's contributions primarily involve enhancing the `rlua` Rust library, a high-level Lua binding project. They added a test case demonstrating user data alignment, ensuring correct memory management. Further, they modified the code to handle high alignment requirements for userdata types, directly impacting the library's core functionality. Additionally, they updated the project's dependencies by updating the bindgen version and added features to control the inclusion of specific Lua libraries.
rustluahigh-levellua-bindings
rust-lang/rustfmt
Nov 2019 - Nov 2019
Format Rust code
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:3 commits, 9 PRs, 31 comments in 6 days
Contributions summary:Chris primarily focused on writing and improving tests for the `rustfmt` tool. Their contributions include adding new test cases to cover various scenarios, such as the application of the `rustfmt_skip` attribute and the handling of diffs with varying context sizes. They also addressed a warning related to mutability and implemented a feature to get the modified lines after formatting, thus improving the overall test coverage and the functionality of the tool.
rustcodeformatterformatterrustfmt
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