Jasper P - Software Development Engineer II at Amazon Web Services (AWS)

Jasper P

Software Development Engineer II at Amazon Web Services (AWS)

Seattle, Washington, United States

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Summary

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Top School

Jasper P is a Software Development Engineer II in Seattle with 11 years of engineering experience and a strong background in backend systems and formal methods. Currently at AWS, he has a track record of improving code structure and reliability—evident from substantive contributions to prominent Coq projects like Rocq and Mathematical Components, where he worked on axiom-free proofs, let-in-aware constructs, and migrating implicit to explicit arguments. His work blends practical production engineering with deep formal-reasoning skills, a combination reinforced by academic and teaching roles at the University of Washington where he built Android testing and accessibility tooling. Jasper’s profile shows an uncommon mix of cloud-scale software delivery and hands-on theorem-proving contributions, reflecting both pragmatic product impact and attention to provable correctness.

11 years of coding experience

6 years of employment as a software developer

Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of Washington

Extra Courses for Year Early High School Graduation, 4.0, Extra Courses for Year Early High School Graduation, 4.0 at North Seattle College

High School Diploma and International Baccalaureate Diploma, 3.99, High School Diploma and International Baccalaureate Diploma, 3.99 at Ingraham High School

Minor, Informatics, Minor, Informatics at University of Washington Information School

Japanese, English

Github Skills (5)

theorem-proving10

proof-assistant10

dependent-types10

coq10

ssreflect10

Programming languages (10)

TypeScriptJavaShellCCoqOCamlWebAssemblyHaskell

Github contributions (5)

math-comp/math-comp

Feb 2018 - Jul 2020

Mathematical Components

Role in this project:

Back-end Developer

Contributions:10 commits, 3 PRs, 7 comments in 2 years 5 months

Contributions summary:Jasper's commits focused on modifying the implicit arguments within the Coq code, changing them to explicit arguments. This primarily involved changes to the `ssreflect`, `fingroup`, `action`, `morphism`, `gproduct`, `perm`, `quotient`, `algebra`, and `solvable` directories. The changes focused on code structure and argument declarations within the mathematical components library.

ssreflectmathdependent-typeshomotopy-type-theorysymbolic-computation

rocq-prover/rocq

Dec 2017 - Jan 2021

The Rocq Prover is an interactive theorem prover, or proof assistant. It provides a formal language to write mathematical definitions, executable algorithms and theorems together with an environment for semi-interactive development of machine-checked proofs.

Role in this project:

Back-end Developer

Contributions:16 reviews, 201 commits, 71 PRs in 3 years 1 month

Contributions summary:Jasper contributed to the Rocq Prover by removing function extensionality usages, which improved program structure. They also worked on axiom-free proofs and fixed comments related to let-in representations. Further contributions included using let-in aware constructs in the codebase and adding tests.

management-systemdependent-typeshomotopy-type-theorytheorem-provingsemi

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