Kumpan Sweden AB

Fullstack Developer

08.2022 - Ongoing • 1 year 9 months

David possesses a calmness and methodology that are rare. His technical knowledge together with pedagogical appearance make him an obvious leading figure in the projects he participates in. Thanks to his previous experiences as a teacher, David has been a fantastic asset as a mentor internally both to other Partners and interns.

Tech: TypeScript/Javascript, React, React native, Vue, node, express, jest, mocha, AWS

Tech Lead • Startup

08.2022 - Ongoing • 1 year 9 months

The project is an overall solution for a startup, where Kumpan was involved in developing the requirements specification and estimates for the entire project. The system is developed complete with customer app, CRM and Backend. David’s role as Tech Lead includes, in addition to development; code reviews, team lead, customer contact (with a focus on solution architecture and business development) and project management.

React native in Expo

  • Architecture and implementation
  • Integration with Maps/Google Maps and BankID
  • Deployment in Testflight

AWS cloud formation

  • Stack debugging
  • IAM Identity Center
  • Organization
  • Lambda
  • RDS

NextJS in serverless stack

  • Architecture and implementation
  • Integration with BankID and other APIs
  • Deployment on AWS
  • URQL
  • Condition

Backend in Node

  • Architecture and implementation
  • Postgres
  • Docker
  • Objection ORM
  • Kysely query builder
  • Monorepo setup + Learn
  • Apollo Server

Tech: Typescript, React native, Next.js, Node, AWS, Lambda

ZoCom Kompetens

CTO

08.2019 - 08.2022 • 3 years

Designed and implemented a Typescript backend from scratch based on MVC adapted for Digital Ocean Apps including data modeling (postgres), REST, and authentication+authorization (passport) for a customer in education.

NTI

Fullstack Developer

08.2015 - 08.2019 • 4 years
  • Built a self-assessment and assessment system from scratch based on assessment matrices integrated with Google Classroom. Written in Ruby and Vanilla Javascript.
  • Built a logbook reporting system from scratch using Postgraphile deployed on AWS with a frontend built in Vue.

Tech: Ruby, Javascript, AWS, Vue

JavaScript/TypeScript

React

Node

Clean code

Git

Docker

GraphQL

AWS

UX

Digital Ocean

CSS/HTML

Sudoku

Lärarprogrammet Uppsala Universitet • 2009 – 2015