Backend Engineer

About the company

• Flo is the world's #1 health & fitness app, 500M+ downloads, 80M+ monthly users
• Backed by a $200M investment led by General Atlantic, $1B valuation in 2024
• 7M paid subscribers, building AI-powered, privacy-first, clinically backed digital health

Responsibilities

• Build data-driven health insights
• Build distributed systems that stay fast, available and scalable under real-time demand
• Develop privacy-first features like Anonymous Mode
• Build tooling and platforms that help teams move faster

Requirements

• 7+ years' experience building distributed backend systems
• Fluent in Java, Scala, Python or similar (willing to learn Scala)
• Knowledge of DevOps, SQL and NoSQL databases, API design
• Clean, documented, version-controlled code
• Bonus: stream processing, public cloud infrastructure (AWS, GCP)

Conditions

• Salary range gross per month: €6,500 – €10,000 EUR
• Hybrid model, 3 days per week in the office
• Competitive salary and annual reviews, performance incentive scheme
• Paid holiday, sick leave, female health leave, enhanced parental leave
• 5-week fully paid sabbatical at 5-year anniversary
• Flo Premium for friends & family, health, pension and wellbeing perks