Product Engineer: Own End-to-End Features (Hybrid, Cologne)

ilert GmbH; Cologne (MN); Hybrid; USD 95,000 - 123,000; Full time

Benefits offered by this job

Real Ownership

Ship Fast

AI in Production

Hybrid Office Cologne

Direct CTO Access

Bootstrapped & Profitable

Job summary

ilert GmbH in Cologne is seeking a Product Engineer to own a product domain end-to-end. You will ship features across the stack (Java, Rust on backend; React/TypeScript on frontend) in two-week bets, and talk to customers to turn insights into improvements.

You will bring 2+ years of software engineering, strong fundamentals, and real AI fluency. The role requires being in the Cologne office 3 days a week in a hybrid setup.

Qualifications

• 2+ years of software engineering in a team codebase.
• Shipped features end-to-end and cared about whether people used them.
• Comfortable across the stack with strong fundamentals in data modeling, debugging and testing.
• Real AI fluency; you use AI coding tools daily and defend design choices.
• Product instinct and opinions about what to build, not just how to build.
• Comfortable with ambiguity and able to start from a domain and problem.
• Fluent English (working language).
• Able to be in our Cologne office 3 days a week.

Responsibilities

• Own a product domain end-to-end, potentially in alerting, on-call, status pages, integrations, or AI SRE; propose, build and measure impact.
• Ship across the stack: Java and Rust on backend, React and TypeScript on frontend; operate in 2-week bets with production deploys.
• Talk to customers: join calls, read support conversations, analyze usage data, translate learnings into product improvements.
• Make scope calls: decide what to cut, what ships first, and what to validate before building.
• Own it in production: be responsible for what you ship, with reliability as a core product attribute.

Skills

2+ years experience

End-to-end features

Full-stack capable

AI fluency

Product instinct

Ambiguity tolerance

English fluency

Cologne office

Job description

ilert GmbH in Cologne is seeking a Product Engineer to own a product domain end-to-end. You will ship features across the stack (Java, Rust on backend; React/TypeScript on frontend) in two-week bets, and talk to customers to turn insights into improvements.

You will bring 2+ years of software engineering, strong fundamentals, and real AI fluency. The role requires being in the Cologne office 3 days a week in a hybrid setup.