Senior Software EngineerAppsflyer · Kyiv

Senior Software Engineer

🗓️ Posted 2026-09-03 Kyiv Hybrid ICT
💰 Salary Not shared 📊 Market NA

About the Company

The DataOS team at AppsFlyer is building and operating a reliable, high-scale data platform that powers analytics and product capabilities across the company. We process more than 150 billion events per day and manage petabyte-scale historical data. Our team owns much more than a traditional "data lake" - including schema management, ETL pipelines, and interfaces to and from storage.

About the Role

If you're excited by scale, ownership, and building production-grade data systems, we'd love to meet you.

Responsibilities

  • ● Design, build, and evolve large-scale data pipelines from raw ingestion to production-ready datasets.
  • ● Develop and maintain Spark/Scala-based data processing workflows for both batch and streaming use cases.
  • ● Own data platform reliability, quality, and performance in production environments.
  • ● Collaborate with engineers, product owners, and stakeholders to define and deliver robust data solutions.
  • ● Help shape engineering standards and operational practices as the DataOS team grows.

Requirements

  • ● 5+ years of software engineering experience, with strong hands-on Scala and/or Java development.
  • ● Strong Java core fundamentals
  • ● Proven experience with Spark and Kafka in production environments.
  • ● Experience with the Hadoop ecosystem and distributed data processing platforms (AWS, GCP, Azure, CDP, MapR, or similar).
  • ● Hands-on AWS experience, especially with S3 and EMR/EMR Serverless (Athena is a strong advantage).
  • ● Experience building and operating cloud-based, high-scale distributed systems.
  • ● Strong analytical and interpersonal skills, with the ability to work effectively across engineering and business teams.
  • ● Professional spoken and written English.

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