Backend Engineer

Company: AppsFlyer
Location: Kyiv
Type:
Posted: Aug 19, 2026
Views: 2

✨ AI Summary

AppsFlyer, a global mobile marketing analytics company, is hiring a Backend Engineer in Kyiv to build a distributed SaaS platform that collects and processes cost/revenue data from 100+ marketing platforms at scale. Tech stack includes Kafka, SQS, K8S, Postgres, event-driven systems, and cloud platforms like AWS/GCP, with coding proficiency in Java, Go, or Clojure. Requires 3+ years of backend experience, large-scale SaaS production expertise, and a B.Sc. in Computer Science or equivalent. Perks include unlimited paid vacation, health insurance, meals and sport reimbursement, and mental health program.

The ROI360 organization’s goal is to help user acquisition managers and monetization managers optimize the business performance of their mobile marketing campaigns. We help our customers understand the real value (value for money) of their mobile marketing efforts.

To achieve this goal, we build a distributed SaaS platform to collect, normalize, index, and serve cost and revenue data from 100+ marketing platforms such as Facebook, Google, Ironsource, and more — at scale.

What you’ll do:

  • Develop and enhance our data collection platform.
  • Solve diverse, complex problems at a large scale.
  • Collaborate with Product Managers and Software Engineers to deliver value to customers.
  • Analyze and improve the performance, scalability, and stability of AppsFlyer’s products, environments, and tools.
  • Continuously learn and evaluate new technologies in the effort to perfect our products and adapt to the ever-growing scale.
  • Take an active part in our on-call cycle and monitor the system.

What you have:

  • 3+ years of backend engineering experience with a passion for excellence.
  • Solid knowledge in: Kafka, SQS, K8S, Postgres, and event-driven systems.
  • Experience with large-scale SaaS production services and databases.
  • Experience with cloud platforms (e.g. AWS, GCP).
  • Proficiency and ability to code well in at least one language (Java / Go / Clojure / etc.).
  • Proficiency with database technologies such as SQL / Athena / BigQuery.
  • A team player with a strong sense of ownership.
  • Ability to grasp new languages, systems, and frameworks quickly.
  • A drive to get things done, especially as part of a team.
  • Ability to dive in quickly to complex systems.
  • B.Sc. in Computer Science or an equivalent.

Bonus points:

  • Experience in functional programming.
  • Hands-on experience with Clojure.

Benefits Package includes:

  • 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

Position number - 2800

Our Culture

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all of our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.”
— Oren Kaniel, CEO

About the Company

Name: AppsFlyer
Location: Herzliya, Israel

AppsFlyer is a mission critical platform that helps thousands of companies achieve their business goals every day. We are dedicated to putting our customers at the center of everything we do, and ensuring the privacy and security of their most important asset: their data. Our culture is defined by our people – approachable professionals, passionate about their jobs, flexible in the face of change, true team members, and always learning. We provide an open and creative space for growth, with a global presence across 20+ offices. Perks include stock options, global exchange programs, fitness classes, health insurance, and more.

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