Backend Engineer

Kiscore; Berlin; Hybrid; EUR 70.000 - 100.000; Vollzeit

Zusammenfassung

KI Score is seeking a Backend Engineer to build the Rails API behind our dashboard. You will own accounts, websites, measurements and reports while ensuring security and performance.

You will design and implement background jobs, maintain scalable endpoints, and contribute to a robust, well-tested codebase in a modular Rails environment. Fluency in German or English is welcome to collaborate across teams.

Qualifikationen

• Experience with Ruby on Rails or a similar framework.
• Solid knowledge of PostgreSQL.
• Care for maintainable code and tests.
• Very good German or English.

Aufgaben

• Build and maintain endpoints in the Rails API.
• Design background jobs that run measurements on schedule.
• Keep the API secure, fast and well tested.
• Review code and share knowledge in the team.

Kenntnisse

Ruby on Rails

PostgreSQL

Testing

Code reviews

Tools

Rails framework

Sidekiq

Jobbeschreibung

More and more people ask ChatGPT, Perplexity, and Gemini before they buy: that's where it's decided which brand leads. KI Score measures every week whether a brand comes up in those answers, in which position and next to which competitors.

As a Backend Engineer you build the Rails API behind the dashboard: accounts, websites, measurements and reports.

What you'll do

• Build and maintain endpoints in the Rails API
• Design background jobs that run measurements on schedule
• Keep the API secure, fast and well tested
• Review code and share knowledge in the team

Who you are

• Experience with Ruby on Rails or a similar framework
• Solid knowledge of PostgreSQL
• Care for maintainable code and tests
• Very good German or English

Location

Berlin. We work remotely across our locations and meet for team days.