Required skills
Languages: Swedish
Job description
Seeking a senior Ruby on Rails developer for a part-time, ongoing role as an external code reviewer for an accounting system under development.
Project overview
We are looking for a senior Ruby on Rails developer for an ongoing part-time assignment as an external code reviewer. The assignment concerns an accounting system under development with support for bookkeeping, VAT, and supplier invoices. In the future, a service for e-signing with BankID is also planned.
About the assignment
You will review the code at each milestone and provide written findings in Swedish, prioritized by severity. The review primarily covers:
The technology stack includes Rails 8, PostgreSQL, Hotwire, Tailwind, Solid Queue, and Kamal. Development is done with AI support, automated tests, and security scanning.
- Login, permissions, and isolation of data between companies
- Security in the web application according to OWASP or equivalent
- Handling of amounts and VAT calculations
- Data model and code quality
Requirements
Experience with accounting systems, payments, BankID, or PAdES signing is a merit.
Practicalities
Send CV, a brief description of your experience with code or security review, hourly rate, and earliest start date.
- At least five years of experience with Ruby on Rails in production
- Experience with web application security according to OWASP ASVS or equivalent
- Swedish spoken and written
- Start at the beginning of 2027
- Scope 4–8 hours per month, ongoing
- Remote work from Sweden. Code and data must not leave Sweden.
Project details
- Start: i början av 2027
- Remote: remote
- Location: Sweden, SE
- Languages: Swedish
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