Mark Kragerup, Developer in Copenhagen, Denmark
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Mark Kragerup

Verified Expert  in Engineering

Full-stack Developer

Location
Copenhagen, Denmark
Toptal Member Since
February 8, 2022

Mark is a full-stack developer who has single-handedly developed the social media app MaMaMesh and huge back-end heavy real-time platform systems for Formula 1. He is a React and database expert who can often be found poking around open-source projects. Mark has also written security-related publications, taught high-intensity classes for master students in applied security at the IT University of Copenhagen, and built an ESLint plugin for security researchers.

Full-stackESLintCSSJavaScriptNode.jsReactTypeScriptDevSecOpsPenetration TestingUser Experience (UX)PostgreSQLWindowsLinuxWebStormPostmanSupabase

Portfolio

Maincode K/S
DevSecOps, React, Supabase, PostgREST
MeeW App
Agile, DevSecOps, Full-stack, Git, React, User Experience (UX)
IT University of Copenhagen
ESLint, Static Analysis, Penetration Testing, Node.js, TypeScript

Experience

Full-stack - 9 yearsUser Experience (UX) - 8 yearsNode.js - 8 yearsReact - 7 yearsDevSecOps - 5 yearsTypeScript - 3 yearsPenetration Testing - 2 yearsSupabase - 2 years

Availability

Full-time

Preferred Environment

Windows, Linux, WebStorm, DataGrip, Postman, Full-stack, Git, DevSecOps, Agile, JavaScript

The most amazing...

...tool I've developed is an ESLint plugin that allows security researchers to write linting rules with higher theoretical guarantees.

Work Experience

Sole Owner

2023 - PRESENT
Maincode K/S
  • Developed real-time software for the Formula 1 esports division, responsible for all data transmissions during live TV broadcasts and competitions.
  • Created in-house software platforms for DreamHack and EFG related to several major esports TV broadcasts.
  • Built a social media app called MaMaMesh with real-time chat and geolocation features. This app got 1,000+ users in the first week.
Technologies: DevSecOps, React, Supabase, PostgREST

CTO & Lead Developer

2022 - 2023
MeeW App
  • Led a staff of 15+ developers in five agile development teams.
  • Delivered and maintained more than 10 apps and web products per year.
  • Oversaw development and launch processes for products with thousands of users per week.
  • Interviewed, hired, and personally trained software developers.
Technologies: Agile, DevSecOps, Full-stack, Git, React, User Experience (UX)

External Lecturer and Software Engineer

2021 - 2022
IT University of Copenhagen
  • Taught a high-intensity class for master students in applied security.
  • Developed a research project which brought security-related static analysis to the integrated development environment's (IDE) of countless developers through ESLint.
  • Guided students through security DevOps-related projects and thesis.
Technologies: ESLint, Static Analysis, Penetration Testing, Node.js, TypeScript

Lead Developer

2020 - 2022
YouandX
  • Developed a SaaS platform that creates an open marketplace for expert speakers in all fields of knowledge and entertainment worldwide.
  • Set up development environments, containerization, version control, servers, CD pipelines, test suites, DevSecOps projects, and tasks for the team.
  • Automated development workflows, optimized processes, and implemented tools to accommodate best practices and enhance product reliability.
  • Created a serverless back end consisting of several reusable microservices, impacting several platforms.
Technologies: Node.js, React, PostgreSQL, CSS, JavaScript, HTML

Formula 1 Race Platform

An extensive system based on TypeScript, React, and Supabase. It handles all data related to Formula 1 esports competition, live TV broadcasts, adjudication, and TV on-air graphics. I can't share any specifics or links as the system is internal.

MaMaMesh So-Me App

https://mamamesh.com/
A social media app for iOS and Android that allows mothers to match up into networks based on interests and geolocation. Here, they live chat and plan activities together, sign up for events, and share pictures.

Dreamhack & EFG Live TV Graphics System

A software pipeline for bringing live graphics on-air during live broadcasts. The key problem was getting real-time data from racing games like Rennsport and Formula 1 into on-air graphics in a reliable way and streamlining the tools around designing more ordinary live TV graphics.

Maincode UI

http://ui.maincode.dk/
A React component library designed to help build technical documentative pages, mobile applications, and browser games.

It includes a live-code editing feature, which allows for live testing of the components directly in the browser.

Languages

TypeScript, CSS, JavaScript, HTML

Libraries/APIs

Node.js, React, PostgREST

Other

Full-stack, ESLint, Static Analysis, Supabase, User Experience (UX)

Paradigms

DevSecOps, Penetration Testing, Agile

Tools

WebStorm, DataGrip, Postman, NPM, Git

Platforms

Windows, Linux

Storage

PostgreSQL

2017 - 2020

Bachelor's Degree in Software Engineering

IT University of Copenhagen - Copenhagen, Denmark

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