Bachelor of Science, Oregon State University, Major: Computer Science | Minor: Mathematics - Completed June 2020 • 4.0 GPA
Master of Science, Oregon State University, Computer Science - Expected June 2022 • 4.0 GPA
Education
Skills
Programming Languages: C, C++, Haskell, Elm, Coq, Idris, Crystal, JavaScript, TypeScript, Kotlin, Java, Python, Nix, Haxe
Languages: English (native), Russian (native), French (conversational, DELF B1 certification)
Additional Skills: Compiler design, formal verification, algorithms, low-level development.
Languages: English (native), Russian (native), French (conversational, DELF B1 certification)
Additional Skills: Compiler design, formal verification, algorithms, low-level development.
Projects
bloglang
— Compiler for a purely functional, lazily evaluated language explained in-depth on personal blog.maypop
— Instructional implementation of a dependently typed functional programming language capable of formal proofs.pegasus
— LALR parser generator currently supporting the C and Crystal languages.matrix-highlight
— Tool for collaborative, decentralized, and federated web annotation based on the Matrix protocol.Publications
Divya Bajaj, Martin Erwig, Daniel Fedorin: A Visual Notation for Succinct Program Traces (journal paper), COLA 2023
Divya Bajaj, Martin Erwig, Daniel Fedorin, Kai Gay: Adaptable Traces for Program Explanations, APLAS 2021
Divya Bajaj, Martin Erwig, Daniel Fedorin, Kai Gay: A Visual Notation for Succinct Program Traces, VL/HCC 2021
Jácome Cunha, Mihai Dan, Martin Erwig, Daniel Fedorin, Alex Grejuc: Explaining spreadsheets with spreadsheets (short paper).
GPCE 2018: 161-167
Divya Bajaj, Martin Erwig, Daniel Fedorin, Kai Gay: Adaptable Traces for Program Explanations, APLAS 2021
Divya Bajaj, Martin Erwig, Daniel Fedorin, Kai Gay: A Visual Notation for Succinct Program Traces, VL/HCC 2021
Jácome Cunha, Mihai Dan, Martin Erwig, Daniel Fedorin, Alex Grejuc: Explaining spreadsheets with spreadsheets (short paper).
GPCE 2018: 161-167
Work Experience
Programming Language Engineer, Chapel
Hewlett Packard Enterprise | Summer 2022 - Present
- Contributed to development of LLVM-based distributed programming language written in C++.
- Investigated and implemented initial AMD GPU programming support using Clang and ROCm tooling.
- Revamped compiler error messages by building a new type-safe error reporting API.
- Designed, launched, and authored articles for the Chapel language technical blog built with Hugo, HTML, and Sass.
Research Assistant, Programming Language Theory
Oregon State University, Corvallis, OR | Spring 2018 - Summer 2022
- Formalized denotational and operational semantics of new explanation-oriented programming languages.
- Developed tooling in Haskell to interpret, verify, generate, and debug programming languages.
- Contributed to research papers published to the GPCE and VL/HCC.
Front-End Intern, Hydrogen
Element.io | June 2021 - September 2021
- Spearheaded migration of codebase to TypeScript, improving documentation and discovering hidden bugs.
- Leveraged advanced type system features to precisely specify nontrivial program properties.
- Developed a mocking system to help specify and test corner cases in a distributed communication system.
- Independently implemented user-facing features including offline-first replies and sanitized HTML rendering.
Undergraduate Teaching Assistant, Programming Language Theory, CS 381
Oregon State University, Corvallis, OR | Winter 2020 - Spring 2020
- Engaged in weekly question-and-answer sessions regarding course topics.
- Aided students in implementing a final project in the form of a custom programming language.
- Proctored quizzes and exams for over 200 students.
- Organized independent review sessions attended by over 70 students.
Additional Experience
Technical Writer
Independent | Spring 2015 - Present
- Designed and published website currently live at danilafe.com.
- Authored blog posts on topics spanning data structures, web development, programming languages, and compilers.
- Formalized and described solutions to select Advent of Code problems using the Coq proof assistant.
- Created 14-part series on compiler development, walking readers through lexing, parsing, compilation using LLVM, garbage collection, and polymorphic type checking.
Lead Programmer
Northwest Advanced Programming Workshop, Portland, OR | Summer 2017
- Led a small team using the git version control system.
- Designed and implemented a desktop calculator application with a focus on usability and feature-completeness.
- Worked on a variety of components, including parsing input through a custom regular expression engine, evaluating expressions through Taylor Series, and UI design.
- Profiled and debugged application using VisualVM in order to find inefficiencies, reducing computation time by 60%.