Senior Backend Engineer
Flo Health5 months ago
Vilnius, LithuaniaSenior
Responsibilities
- Build and operate fast, reliable, secure, and scalable distributed backend systems.
- Develop data-driven health insights and privacy-first product features.
- Design APIs and backend services for high-volume, real-time demand.
- Build tooling and platforms that help engineering teams work more efficiently.
- Write clean, documented, version-controlled code and own outcomes from development through impact.
- Consider end-user impact while solving complex product and engineering problems.
Requirements
- Have 7+ years of experience building distributed backend systems.
- Be fluent in Java, Scala, Python, or a similar programming language, with willingness to learn Scala if needed.
- Understand system performance, reliability, security, DevOps, SQL and NoSQL databases, and API design.
- Demonstrate strong ownership, initiative, problem-solving ability, and a product-minded approach.
- Preferred experience includes stream processing and public cloud infrastructure such as AWS or GCP.
Benefits
- Competitive salary with annual reviews and participation in a performance incentive scheme.
- Paid holiday, sick leave, female health leave, and enhanced parental leave and pay.
- Professional growth through impactful work and learning support.
- Hybrid work model with three days per week in the office.
- Five-week fully paid sabbatical after five years.
- Flo Premium for friends and family, plus health, pension, and wellbeing perks.
About Flo Health
Flo Health builds a mobile app for menstrual cycle, ovulation, fertility, and pregnancy tracking, offering AI-powered insights and a private community on iOS and Android. The company operates a freemium model with optional premium subscriptions and health content. Founded in 2015 and headquartered in London, this privately held firm reports tens of millions of monthly active users, and its privacy-focused Anonymous Mode was named one of Time’s Best Inventions of 2023.