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Søren Johanson

Freelance Software Engineer
Send me an e-mail | View my GitHub | Connect with me on LinkedIn

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Current projects

HAV Media / Odoo Developer

  • Migrated a website from Wordpress to Odoo
  • Responsible for re-designing a Magento webshop in Odoo 17
  • Regular communication with key non-technical stakeholders to keep them apprised of progress

Previous projects

Sapiens Germany GmbH / Full Stack Engineer (full-time employee) / Hamburg, Germany

  • 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

Wertfaktor Immobilien GmbH / Software Engineer (full-time employee) / Hamburg, Germany

  • 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

Ashampoo GmbH & Co. KG / Full Stack Engineer (full-time employee) / Rastede, Germany

  • 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



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


  • Cambridge English: Advanced (CAE), CEFR Level C2
  • Cambridge English: Business Vantage (BEC Vantage), CEFR Level C1


Sector Nord AG
Vocational Training in Software Engineering
Oldenburg, Germany