Søren Johanson

Freelance Software Engineer
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Education

IHK Oldenburg
Vocational Training in Software Engineering
Oldenburg, Germany, Aug. 2017 - Jul. 2020

Docker, GitLab CI/CD, GitHub Actions, Bitbucket, Google Cloud, AWS, Sentry

REST, Node.js, MySQL, PostgreSQL, GraphQL, .NET 5, C#, Ruby on Rails, Rspec, Capybara, Python, PHP, Perl

HTML, CSS, JavaScript, Vue.JS

Swedish (fluent), English (fluent), German (native)

OWASP Top Ten, MITRE ATT&CK Framework, Zero Trust, Cloudflare Access

Part of a small R&D team developing a digital insurance solution for the German‑speaking insurance market
Responsible for gathering and implementing feedback from external clients
Worked together with international partners from 30+ countries as part of the Sapiens NV group

Helped develop a range of platforms for both external customers and internal teams like Finance and Sales
Developed all apps using a unified tech stack including React, Redux and Rails with test coverage using Rspec and Capybara
Managed projects developed by external agencies, including budget and resource planning
Worked together with external agencies to organize penetration tests and mitigate issues found during tests
Implemented Zero Trust solutions such as Cloudflare Access across all internal projects

Part of a team developing a desktop‑based e‑commerce platform for Windows software
Worked on the desktop app using Electron and VueJS, with a successful migration from VueJS 2 to VueJS 3
Responsible for implementing a new database schema using PostgreSQL from the ground up to replace website‑centric API and more efficiently manage tens of thousands of records
Responsible for designing, implementing and maintaining a brand new GraphQL API for both desktop and mobile‑based clients using C and Hot Chocolate
Implemented and maintained service monitoring and various IAM policies in Google Cloud