Curriculum vitae

Name

Johannes Larsen

Date of birth

1992-10-16

Nationality

Norwegian

Language

Norwegian, English

Contact information

+47 41435451

mail [α] johslarsen.net

Education

• 2011-08 – 2016-06 Master of Science (sivilingeniør) in Computer Science at UiT The Arctic University of Norway (300 ECTS)
• Online courses
  • 2014 Introduction to Mathematical Thinking by Stanford University
  • 2014 Cryptography I (75%) by Stanford University

Present affiliation

• 2019-01 – Software developer at Kongsberg Defence & Aerospace (KDA) — Space Ground Systems

Past affiliation

• 2016-07 – 2018-12 Software developer at Kongsberg Spacetec AS (KSPT, acquired by KDA)
• 2010–2016 Software developer, system administrator, electrical engineer at SmallSoft AS (part time <20%)
• 2015-06 – 2015-08 (summer internship) Software developer at KSPT (Norwegian attest)
• 2010–2014 Software developer at iBooking AS (part time <20%)

Experience

• (Public) project involvement at KSPT/KDA
  • NRT Earth Observation Exploitation platform (EOPORT)
  • Metop-SG L0 Processing Framework
  • Near Real-Time Sentinel 1 SAR processing
  • Orthorectification
  • CCSDS protocol implementations: AOS, SPP, CFDP, SLE (RAF, RCF, ISP), CSTS (RCFDP)
  • Build infrastructure
• System design, implementation, documentation, testing, … of
  • 2016 (UiT,KSPT): Useful GPGPU Programming Abstractions — A thorough analysis of GPGPU development frameworks
  • 2015 (UiT): Synchronized multimedia playback system (report,demo)
  • 2015 (KSPT): GPU optimization of a partial SAR processing pipeline
  • 2014 (iBooking): Android and iOS push notifications
  • 2014 (UiT): Forskningsvinduet, a search engine supporting faceted text search and geographical selection search
  • 2013 (UiT): a somewhat standards compliant HTTP server
  • 2013 (UiT): an educational operating system (bootloader, scheduler, process manager, IPC, memory manager, file system)
  • 2012 (UiT): a CPU (MIPS) simulator
  • 2012 (iBooking): external REST APIs
  • 2011 (iBooking): a web based Android application
  • 2011 (iBooking): a back-end iOS interface
  • 2010 (isdykk): a booking system for diving trips
• System administration
  • Cloud: Kubernetes, Open Telecom Cloud, Amazon AWS, Cloudfront/Linode
  • Container: docker, docker-compose, podman, systemd
  • Provisioning: Salt, Ansible
  • Monitoring: Prometheus, loki, InfluxDB, grafana
  • Operating system: Archlinux, Alpine, SLES 12-15, Ubuntu 8.04-16.04, Centos 5-7, pfSense 1.3-2.5, Rasbian, Backtrack 3-5, Kali, Tails, Windows 98-XP, Mac OS X v10.4-10.6
  • Web: Nginx, Apache, Lighttpd
  • Database: PostgreSQL, SQLite, MariaDB, LMDB
  • Mail: postfix, dovecot
• Programming
  • Languages: C/C++, Go, Ruby, Rust, JS, …, see programming languages for a detailed overview
  • Concurrency: std::jthread, coroutines, fork/wait, Pthreads, OpenMP, OpenMPI, CUDA
  • Build Pipelines: cmake, Gitlab, Github, Jenkins
  • Version control: git, Subversion, Mercurial, Bazaar
  • Some open source development, see github.com/johslarsen
• Electronics, self-taught through web resources (e.g. EEVBlog)
  • Soldering (through-hole/SMD/reballing)
  • Circuit/PCB design
  • Microcontroller programming including, but not limited to, Arduino
  • iCE40 UP5K FPGA programming using IceStorm, Yosys and nextpnr
  • Circuit debugging using multimeter, oscilloscope, …; and repair, see synths for some of the work
• 3D modelling and printing