resume_kristofer_bjornsson.tex

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% Author: Dubasi Pavan Kumar
% LinkedIn: https://www.linkedin.com/in/im-pavankumar/
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\begin{document}
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% Header
\begin{center}
    {\Huge\textbf{Kristofer Fannar Bjornsson}}
\end{center}
\vspace{-20pt}

\begin{center}
    \small{
	(646) 229 0496 | 
    \href{mailto:kristofer.bjornsson@columbia.edu}{kristofer.bjornsson@columbia.edu} | 
    \href{https://kristoferfannar.github.io}{kristoferfannar.github.io} |
    \socialicon{\faLinkedin} \href{https://www.linkedin.com/in/kristoferfannar/}{kristoferfannar} | 
    \socialicon{\faGithub} \href{https://github.com/kristoferfannar}{kristoferfannar}
    }
\end{center}
\vspace{-7pt}

% \begin{center}
%     \small{Your City, Your State - Your ZIP, Your Country}
% \end{center}
%
% \vspace{-4mm}
%
% \section{\textbf{Objective}}
% \vspace{1mm}
% Seeking an opportunity to contribute as a software engineering intern for summer 2025. Available for 12 weeks starting May 19th.
% My interests lie in the fields of systems \& cybersecurity as well as solving difficult, fun problems.
% \vspace{-2mm}


\section{\textbf{Education}}
\resumeSubHeadingListStart

\resumeSubheading
{Columbia University}{New York, NY}
{MS Computer Science | Software Systems}{Aug 2024 - Dec 2025 (Expected)}
\resumeItemListStart
	\item GPA: 3.92 $\cdot$ ICPC 2024 GNY Regionals participant 
\resumeItemListEnd

\resumeSubheading
{Reykjavik University}{Reykjavik, IS}
{BS Software Engineering}{Aug 2021 - May 2024}
\resumeItemListStart
    \item First Class with Distinction $\cdot$ Dean's list F22 \& F23 $\cdot$ Freshman grant F21
	% \item Teaching Assistant for Algorithms F23 $\cdot$ Web Programming S24 $\cdot$ Computer Networks F24
    \begin{tabular*}{0.98\textwidth}[t]{l@{\extracolsep{\fill}}r}
	\textit{Exchange semester @ University of Copenhagen} &  \textit{Spring 2023}
    \end{tabular*} 
\resumeItemListEnd

\section{\textbf{Professional Experience}}
  \resumeSubHeadingListStart

  \resumeSubheading
	  {\href{https://keystrike.com}{Keystrike}}{Reykjavik, IS}
	  {Software Engineer Intern}{May 2024 - Jan 2025}
	  \resumeItemListStart
		\item Ported main product, a security desktop driver, to macOS in Rust, now adopted by 1/3rd of company's customer base

		% \item Created custom Rust bindings for communicating with macOS API, prototyping in Swift \& Objective C
		% \item Main developer through entire SDLC, from non macOS compiling Windows coupled codebase to external beta testing

		% \item Built using high security standards for storing secrets in Apple Keychain, preventing injected inputs \& signing input attestations

		\item Wrote a proof of concept for and resolved zero-day vulnerability, preventing injected inputs from being validated

		\item Implemented automatic app building, signing \& deployment pipelines for seamless distribution through GitHub Actions 
	\resumeItemListEnd 

  \resumeSubheading
    {\href{https://www.ru.is}{Reykjavik University}}{Reykjavik, IS}
    {Teaching Assistant | Algorithms $\cdot$ Web Programming $\cdot$ Computer Networks}{Aug 2023 - Dec 2024}
    \resumeItemListStart
	  \item Held TA sessions, mentoring 60+ students through solving problem sets over 3 semesters
	  \item Evaluated student submissions \& provided feedback to Professors on assignments and exams
    \resumeItemListEnd


  \resumeSubheading
    {\href{https://www.syndis.is}{Syndis}}{Reykjavik, IS}
    {Software Engineer Intern}{May 2023 - Jan 2024}
    \resumeItemListStart
	\item Led a team to design and implement a full-stack prototype with React, Express \& PostgreSQL through Docker

	% \item Supported multi-role functionality with in-house authentication service using JWT tokens 

	\item Conducted interviews with 5+ prospective clients to streamline BCP onboarding process from 2 weeks to 1 hour

    \resumeItemListEnd
	
  \resumeSubheading
  {\href{https://hafogvatn.is/en}{Marine \& Freshwater Research Institute}}{Reykjavik, IS}
    {Software Engineer Intern}{May 2022 - Jan 2023}
    \resumeItemListStart
	  \item Created a web service using Java's Spring framework to automatically collect and persist data into a local Oracle SQL server from fish passing through graders in Icelandic fisheries, used to improve fishing quota estimates

	  % \item Programmed API to receive data through multiple grader protocols, creating private endpoints for fetching data

	  \item Prototyped a method for estimating fish origin probabilities based off of catch date, vessel location and amount fished
	\resumeItemListEnd


% \resumeSubheading
% {Commercial College of Iceland}{Reykjavik, IS}
% {Secondary | Physics}{Aug 2018 - May 2021}
% \resumeItemListStart
% \item GPA: 9.2/10
% \resumeItemListEnd

\resumeSubHeadingListEnd

\section{\textbf{Projects}}
\resumeSubHeadingListStart

\resumeProject
  {\href{https://github.com/kristo-og-logi/premking}{PremKing \footnotesize{\faGithub}}}
  % {Skills: React Native $\cdot$ Go $\cdot$ AWS EC2 $\cdot$ OAuth $\cdot$ Postgres $\cdot$ App Store \& Testflight $\cdot$ Lets Encrypt $\cdot$ Nginx}
  {Jul 2023 - Current}
\resumeItemListStart
	\item Launched open source full-stack mobile app on \href{https://apps.apple.com/is/app/premking/id6476774713}{the App Store}, managing $\approx$ 100 monthly users, using React Native \& Golang backend on AWS, connected to PostgresSQL database 
	% \item Utilized cronjobs to fetch data from external API, updating user scores \& calculating positions on new responses
\resumeItemListEnd

% \resumeProject
% {\href{https://github.com/lmkdatabase/lmkdb}{lmkDB \footnotesize{\faGithub}}}
%   {Nov 2024 - Dec 2024}
% \resumeItemListStart
% 	\item Developed GPU accelerated database using modern C++ and CUDA, calculating JOIN operations on 10.000.000+ rows $\approx$ 10x faster than on non-GPU machines
% \resumeItemListEnd

% \resumeProject
% {Shadow Page Table | Linux Kernel}
% {Nov 2024}
% \resumeItemListStart
% \item Added Linux Kernel system call for tracking \& monitoring specified process's virtual memory area ranges
% \item Monitored page table accesses in kernel, continuously updating a custom shared "shadow" page table, writable by kernel and readable from user space through \emph{remap\_pfn\_range}
% \resumeItemListEnd

\resumeProject
{Oven Scheduler | Linux Kernel}
{Oct 2024}
\resumeItemListStart
	\item Created new default process scheduler, called "Oven", with C in the Linux Kernel, beating CFS (current default scheduler) by $\approx$ 17\% on single core and $\approx$ 5\% on multi-core on selected benchmarks 
	% \item Performed benchmarks on modified Linux Kernel using eBPF through VMWare virtual machine
\resumeItemListEnd

% \resumeProject 
% {\href{https://github.com/DesktopDefender/DesktopDefender}{Desktop Defender \footnotesize{\faGithub}}}
% % {Skills: \href{https://tauri.app}{Tauri}, Rust, Nextjs, LAN, Router, mDNS, Cyber Security, Encryption, Password cracking}
% {Mar 2024 - Jun 2024}
% \resumeItemListStart
% \item Built a network security desktop application in Tauri for monitoring devices \& traffic on home networks
% \item Brute forced admin credentials on home network's router by scraping unauthorized endpoints on admin portal
% \item Found network devices through ARP, built multithreaded Rust port scanner, scanning router \& devices for open ports
% 	\resumeItemListEnd

\resumeProject
{\href{https://skemman.is/bitstream/1946/47651/1/Reykjavik_University_Keystrike_Final_Report.pdf}{Research Project w/ Keystrike  \footnotesize{\faFile}}}
  % {Skills: String comparison $\cdot$ Algorithmic research \& evaluation $\cdot$ Go $\cdot$ Python $\cdot$ Protobuf $\cdot$ Cryptography}
  {Oct 2023 - May 2024}
\resumeItemListStart
  % \item Researched ways to expand Keystrike's main product, then known as the Sanctum Guard, to the web
\item Evaluated existing \& developed novel string comparison algorithms to determine whether a sequence of typed inputs could produce an edited string, reaching over $\ge 80\%$ confidence on average
\item Rewrote Keystrike's proprietary cryptographic attestation protocol in Python \& Golang with ECDSA signatures
\resumeItemListEnd

% \resumeProject
% {\href{https://github.com/lsig/raft}{Raft \footnotesize{\faGithub}}}
% 	% {Skills: Concurrent \& Distributed Programming $\cdot$ Go $\cdot$ Mutual Exclusion $\cdot$ Channels $\cdot$ Consensus $\cdot$ Protobuf}
% 	{Apr 2024}
% \resumeItemListStart
% \item Recreated \href{https://raft.github.io/}{Raft Consensus algorithm} from scratch in Golang over gRPC, using concurrent nodes in distributed network
% 	\item Consistently replicated logs between tens of servers bouncing over $100.000$ concurrent messages on a LAN
% \resumeItemListEnd

% \resumeProject
% {RC Car}
% {Aug 2023 - Dec 2023}
% \resumeItemListStart
% \item Soldered and developed a remote controlled RC car using CircuitPython on a microcontroller with collision avoidance, path following and convoying
% \resumeItemListEnd

\resumeSubHeadingListEnd

\section{\textbf{Technical Skills}}
 \resumeHeadingSkillStart
 \resumeSubItem{Languages| }
    {
	C $\cdot$  
	C++ $\cdot$  
	TypeScript $\cdot$ 
	React $\cdot$ 
	Golang $\cdot$ 
	Python $\cdot$ 
	Java $\cdot$ 
	% HTML/CSS $\cdot$
	% Javascript $\cdot$
	Rust $\cdot$ 
	% Spring $\cdot$ 
	% Next.js $\cdot$ 
	Bash $\cdot$
	SQL % $\cdot$ 
	}

	\resumeSubItem{Infrastructure| }
    {
	Linux Kernel $\cdot$ 
	AWS EC2 $\cdot$ 
	CI/CD $\cdot$ 
	% GitHub $\cdot$ 
	% Figma $\cdot$  
	% nmap $\cdot$ 
	% Apple Codesigning $\cdot$ 
	% macOS API $\cdot$ 
	% WireShark $\cdot$ 
	Docker  $\cdot$ 
	% Kubernetes % $\cdot$ 
	% REST $\cdot$ 
	% gRPC $\cdot$ 
	% TCP/IP
	}

	\resumeSubItem{Interests| }
	{Distributed Systems $\cdot$ 
	Cybersecurity $\cdot$ 
	% Problem Solving $\cdot$
	% SDLC $\cdot$
	Operating Systems % $\cdot$ 
	% Cryptocurrencies $\cdot$ 
	% Competitive Programming $\cdot$ 
	% CTFs
	}

 \resumeHeadingSkillEnd

\section{\textbf{Awards}}
\resumeSubHeadingListStart

\resumeAward
  {Icelandic National Gymnasium Math Competition}
  % {Icelandic Mathematical Society (ice. Íslenska Stærðfræðifélagið)}
  {2nd 2018 {}[\href{https://www.stae.is/stak/keppnin2018}{\textcolor{black}{\faIcon{globe}}}] | \textit{16th - 17th 2019 {}[\href{https://www.stae.is/stak/keppnin2019}{\textcolor{black}{\faIcon{globe}}}]}}

\resumeAward
	{Icelandic National Compulsory School Math Competition}
	% {(ice. Stærðfræðikeppni Grunnskólanema)}
	{\textit{4th 2016 \href{http://www.lagafellsskoli.is/forsida/frettir/frett/2016/03/17/Staerdfraedikeppni-grunnskolanna-a-elsta-stigi/}{[\faGlobe]}}| \textit{4th 2017} | \textit{4th 2018 \href{http://www.lagafellsskoli.is/forsida/frettir/frett/2018/04/10/Urslit-staerdfraedikeppni-grunnskolanna-2018/}{[\faGlobe]}}}


\resumeSubHeadingListEnd

\end{document}