Backend Engineer

appsflyer· R&D
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📍 Kyiv

About this role

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

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

 

Frequently Asked Questions

Is the salary disclosed for the Backend Engineer position at appsflyer?
The salary for this Backend Engineer role at appsflyer is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Backend Engineer position at appsflyer located?
This Backend Engineer role at appsflyer is based in Kyiv. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Backend Engineer at appsflyer belong to?
This Backend Engineer position is part of the R&D department at appsflyer. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Backend Engineer position at appsflyer?
Click the "Apply Now" button on this page. You will be redirected to appsflyer's official application portal hosted on greenhouse where you can submit your application directly.
When was the Backend Engineer job at appsflyer posted?
This Backend Engineer position at appsflyer was posted on May 11, 2026. Apply as soon as possible — early applications are often reviewed first.
Backend Engineer
appsflyer
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