Self-motivated computer science student applying for the position entitled “Rust Compiler Intern”, in Berlin, Germany. Willing to relocate.

Education

2017 - 2020   Télécom Nancy, Nancy, France: MSc CS, specializing in Software Engineering

Masters of Science in Computer Science, covering software engineering and project management

2015 - 2017   Lycée A. Fournier, Bourges, France: two-year course equiv. to a BSc in Mathematics and Physics

Preparation for the highly competitive nationwide entrance exams for French Grandes Écoles

Relevant School Projects

2019   Twitter-like service: specified a communication protocol (team of 2 people, 3 months)

  • Developed a client and a server according to the specification

✓   Network system calls, SQLite in C while preventing SQL injections

2018 - 2019   Full compiler: Tiger language (team of 4 people, 6 months)

  • Wrote a grammar for the language with ANTLR, constructed the abstract syntax tree (AST)
  • Did semantic analysis on the AST, generated assembly code (function, loops, conditional branches)

✓   Java, ANTLR, formal language theory

2017   Film recommendation system: desktop GUI to obtain film recommendations (team of 3 people, 3 months)

  • Generated recommendations based on the history of all users, with a matrix factorization algorithm
  • Integrated it with the GUI and a film database file

✓   GNU Scientific Library in C

Employment

Sept. 2020 - Now   Software Engineer, Cloudflare, London & Remote: Denial of Service (DoS) team

  • Main responsabilities: maintaining and improving automated mitigation systems
  • Worked from home (part of the time), took oncall shifts

✓   eBPF, XDP, Docker, TCP, UDP, dos attacks, clickhouse

Mar. - Aug. 2020   Software Developer Intern, Cloudflare, London & Remote: Denial of Service (DoS) team

  • Aim: benchmark, develop and compare various performance optimizations in l4drop, a DoS mitigation system
  • Worked from home almost from the beginning
  • Presented the methodology and results at the Linux Plumbers Conference and in my master thesis

✓   eBPF, XDP, TCP, kernel probes

Jun. - Aug. 2019   Software Developer Intern, SnT, Luxembourg: Interdisciplinary Center for Security, Reliability and Trust (SnT), a research lab of the University of Luxembourg. securityandtrust.lu

  • Aim: explore performance analysis technics with eBPF (extended Berkeley Packet Filter)
  • Wrote IP-whitelisting tool using XDP for DDoS protection of a Ripple blockchain connector
  • Extended Vector monitoring tool with additional eBPF modules : packet analysis (HTTP & WebSocket, UDP & DTLS), garbage collector visualization for NodeJS using USDT probes
  • Co-authored a research paper outlining innovative performance monitoring schemes
  • Worked in English on a daily basis.

✓   eBPF at different levels, Docker, Python, Go, TCP, UDP, Websocket

Talks & Papers

Aug. 2020   Linux Plumbers Conference 2020 (talk & paper): Evaluation of tail call costs in eBPF

Aug. 2020   Master Thesis: Impact of Indirect Calls within eBPF and Changes to Reduce this Impact

Aug. 2019   NOMS 2020 conference (co-author of a submitted article): The Rise of eBPF for Non-Intrusive Performance Monitoring

Skills

Working knowledge

Rust, C, Python, Java, Bash Shell,
Linux, SQL (SQLite), OCaml,
Github/Gitlab

Basic knowledge

Docker, Scala, Go,
HTML/CSS/JavaScript,
key-value database (LMDB)

Languages

English (TOEIC 935,
full professional proficiency)
French (native) • German (B1)

Relevant Personal Software Projects

For links to source-codes and open-source contributions, please visit my website at joly.pw/open-source

2019   Into-Ledger: fork of an importer/classifier of financial transactions from a file in the CSV format

  • The fork improves data collection to make better use of the Bayesian Filtering method

✓   Go, Bayesian Filtering

2019 - 2021   Sesters: tool to extract price tags from plain text, for conversion from one currency to another

✓   Rust (noteworthy package used: serde, clap, reqwest), LMDB, Web API

2014 - present   Open-source contributions: please see github.com/cljoly for more details

Interests

Sports: Judo in team, Climbing, Yoga

Reading: novels, non-fiction (press, books)