Mid-Level Backend Developer

🕒 May 18

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Genki

WebsiteLinkedInAll Job Openings

11 - 50 employees

🛡️ Insurance

🏥 Healthcare

⚕️ Healthcare Insurance

Insurance • Healthcare • Healthcare Insurance

Genki is a provider of health insurance solutions tailored for digital nomads, offering coverage across a wide range of countries and allowing customers to choose any doctor or hospital. They provide two main types of insurance: travel health insurance and international health insurance, which cover necessary medical treatments with no annual limits. Genki simplifies the sign-up process with online registration and ensures claims are paid within two weeks. Their insurance risk is covered by Allianz Partners, ensuring reliability and peace of mind for their clients.

📋 Description

• We're looking for a Mid-Level Backend Developer to help build and evolve the core system that powers our products and operations. • You'll join as the second developer in our backend team, reporting to our Lead Backend Developer. • Our backend runs on Kotlin with a custom framework built around event sourcing. • You'll need to be comfortable reading code, asking questions, and finding your way through a system that's still being shaped. • You'll build new features, improve testability and reliability, and help evolve the architecture over time. • You'll need to build deep understanding quickly and be comfortable making decisions with incomplete information. • We're moving fast, increasingly with AI-agentic development tools. You should have some hands-on experience with these tools and a genuine drive to go deeper.

🎯 Requirements

• **Experience** • - You've worked on larger backend systems in production and understand the complexity they bring. • - You've worked in complex product domains and can ramp up quickly on business logic that isn't always obvious. • - You're comfortable with event sourcing, event-driven architecture, or similar patterns. • - You care about code quality: readable code, meaningful tests, and clean APIs. • - You have some experience with AI-agentic development tools (Claude Code, Codex, or similar) and want to go deeper. • **Our current tech stack** • - Language: Kotlin with coroutines • - Framework: Custom, built around event sourcing • - Billing: Stripe • - Infrastructure: Heroku (migrating to Railway) • - AI-agentic development: Claude Code with custom plugin • - APIs: GraphQL • **Working style** • - You pay close attention to the details and take pride in getting them right. • - You're curious and self-driven. You dig into unfamiliar code, ask good questions, and figure things out. • - You'd rather understand why something works than just make it work. • - You're comfortable making decisions when not all the information is there yet. • - You've worked in a startup or scaleup and know what that pace and ambiguity feels like. • - You thrive in a fully remote, async-first team and know how to communicate clearly without meetings for everything. • - You're as open to different ideas, opinions, and to people with different cultures, backgrounds, and interests as we are.

🏖️ Benefits

• 💰 Up to 5,000 EUR/month (depending on experience) with employee equity participation through a vesting program • 🏝 Fully remote, from anywhere in the world & live as a digital nomad if you want to (the country list above are just examples) • 🕗 Flexible hours, startup atmosphere • 🌍 Most of the team is in Europe and Southeast Asia, with a few hours of daily overlap around German business hours • 💻 Company-issued and managed MacBook, plus a desk in your favorite co-working space • ✈️ 25 days paid annual leave • 🤝 Regular team off-sites to connect in person