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Infakt.pl

Online invoicing and outsourced accounting

Ruby on Rails Developer

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeKraków, Poland

About the Job

Requirements

  • At least 3 years of experience with Ruby and Ruby on Rails for Mid level, or 5 years for Senior level.
  • Experience building REST APIs.
  • Basic knowledge of web application security.
  • Experience working with relational databases, including PostgreSQL.
  • Knowledge of the Git version control system.
  • Use of AI tools.

Responsibilities

  • Develop the inFakt flagship product, an application used daily by tens of thousands of entrepreneurs.
  • Collaborate with other teams, including mobile (iOS/Android) and infrastructure teams.
  • Independently define quarterly goals.
  • Work with cross-functional teams of 6–8 people across Backend, Frontend, and SDET.
  • Contribute to the final shape of product functionality.

Desired Qualifications

  • Experience with frontend technologies: Hotwire, Turbo, Stimulus, Action Cable, or React.
  • Experience with background processing tools: Sidekiq or ActiveJob.
  • Experience with messaging systems: RabbitMQ or Kafka.
  • Experience with API testing tools such as Postman or Bruno.
  • Experience with RSpec, Capybara, unit testing, or automated testing.
  • Knowledge of security vulnerabilities and security best practices.
  • Knowledge of CI/CD best practices.
  • Experience with application observability and controllability.

About the Company

Infakt.pl

Online invoicing and outsourced accounting

Infakt.pl offers an online accounting platform in Poland that combines a user-friendly invoicing app (desktop and mobile) with access to professional accountants through an online accounting office. Users can issue, edit, and email invoices directly from the app and rely on human oversight for their accounting needs. The service covers the full business lifecycle, from company registration to ongoing accounting for various structures such as sole proprietorships and limited liability companies. Unlike purely software-based solutions, Infakt blends self-service tools with professional accounting support, providing end-to-end financial management tailored to small and medium-sized businesses. Its goal is to help Polish SMBs manage finances efficiently, stay compliant, and reduce the time spent on accounting tasks.

Company size
201-500
Company stage
Series A
Total funding
$1M
Headquarters
Kraków, Poland
Founded
2008

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