Backend Entwickler - Ruby on Rails / PostgreSQL (m/w/d)
Core
Designing and developing new features for Ruby-on-Rails applications and building robust backend logic for a FinTech platform managing customer finances, invoices, and accounting.
Role type
Backend Developer (Ruby on Rails)
Builds
Web-based financial management tools for startups, freelancers, and enterprises
Domain
FinTech
Deliverable
production ML models | product features
Required skills
Ruby on Rails, PostgreSQL, SQL, REST APIs, Hotwire, Turbo, Stimulus
Preferred skills
Python
Technologies
Ruby on Rails, Python, PostgreSQL, REST-APIs, Sidekiq, Hotwire, Turbo, Stimulus, ERB, Minitest, Oaken, AWS
Responsibilities
Design and develop new features for Ruby-on-Rails applications; develop robust backend logic and maintain modern REST APIs; write efficient SQL queries and optimize PostgreSQL databases; design and maintain internal admin tools with Hotwire, Turbo, and Stimulus; refactor existing code areas; support maintenance of Python scripts and migration to Ruby-based systems.
Seniority
Mid-level (minimum 2 years experience)