Backend Engineer | Mid - Senior | Transition to Go | Saily
$54,648–$92,184 year
Hybrid · Warsaw, Mazovia, Poland
Job Summary
Backend Engineer role at Saily focused on building and maintaining features for a hybrid work setup. Responsibilities include developing features to support personalization, experimentation, and analytics; maintaining a high-quality codebase; driving performance improvements; mentoring peers; influencing long-range team goals; and collaborating cross-functionally with engineering, product, and design. Core requirements include 4+ years backend experience with PHP, Python, C#/.NET, Java, or Kotlin; system design proficiency; experience with Kubernetes/microservices; SQL and NoSQL technologies (MySQL, PostgreSQL, Cassandra, Redis); Kafka; and API-focused development. Tools span Go, MySQL, Kafka, Docker, Kubernetes, AWS, Redis; frontend stack with Next.js, React, TypeScript, GraphQL; mobile stacks (iOS SwiftUI, Android Kotlin); and AI tooling familiarity. The role offers hybrid work with 3 office days per week and 2 remote days, plus extensive learning, mentorship, healthcare, wellbeing, and company-wide perks.
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