Senior Backend EngineerAppsflyer · Kyiv

Senior Backend Engineer

🗓️ Posted 2026-09-07 Kyiv Hybrid ICT
💰 Salary Not shared 📊 Market NA

About the Company

AppsFlyer is known for its massive backend production. At any given moment thousands of servers are consuming 150+ billion mobile app events, crunching our users' data, serving requests and communicating on a massive scale. The company practices modern production operations with a complete self-serve CI/CD platform, a highly integrated observability stack for our micro-services, backends, and infrastructure, a culture of ownership and eagerness for quality. The Analytics group is responsible for showing clients the stories their data is telling through complex aggregation, mission-tailored analytical databases, and carefully crafted APIs.

Responsibilities

  • ● Develop end-to-end, both client-facing and data infrastructure features, from data processing to database choice and modeling implementation.
  • ● Collaborate with product managers and software engineers to deliver complex products.
  • ● Analyze and improve performance, scalability, and stability of our systems, environments, and tools.
  • ● Speak at meetups, write blog posts, speak at conferences, contribute to existing open source projects, and release new open source software.

Requirements

  • ● 5+ years of development experience with a passion for excellence
  • ● Experience in data engineering with a focus on Apache and Scala-Spark / py-spark
  • ● Experience with high throughput, low latency, mission-critical distributed systems
  • ● Great communication skills in English
  • ● B.Sc. in Computer Sciences or an equivalent.

Benefits

  • ● Health Insurance
  • ● Paid Unlimited Vacation Days + all national holidays + additional recharge days
  • ● Meals Reimbursement
  • ● Sport Reimbursement
  • ● Breakfast in the office
  • ● Mental health program
  • ● Team building, happy hours, and other team activities
  • ● Paid sick days
  • ● Snacks, fruits & ice cold beer
  • ● All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package