Backend Engineer
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Before you apply
LocationKyiv
Typefull-time
SeniorityMid
Experience3+ yrs
DepartmentR&D
Company size1,001–5,000 people
PostedMay 11, 2026 · 6mo ago
Verified live6h ago
At a glanceSummarised by Seekless from the posting.
3+ years of development experience with a passion for excellence
Experience in JVM languages
Hands-on background with production systems
Experience in building APIs for server-client applications
Strong SQL knowledge
Ability to grasp new languages, systems, and frameworks fast
A team player with the drive to get things done and lead others along the way
Good communication skills, spoken and written English
Experience in Clojure
Exposure to large-scale distributed databases or enterprise data warehouses (BigQuery, Snowflake, etc.)
Software system design experience
Experience in building ETLs using Spark Scala
Familiarity with the Google Cloud Platform
B.Sc. in computer science or equivalent
Recommended by an AppsFlyer employee
Skills
Java
Clojure
GCP
AWS
K8s
Kafka
DataDog
SQL
Spark Scala
BigQuery
Snowflake
Benefits
Health insurance
Unlimited PTO
Meals reimbursement
Sport reimbursement
Breakfast
Mental health program
Team building
Paid sick days
Snacks
Mac laptop
About the role
Many significant top-tier customers and partners consume their AppsFlyer’s data via various interfaces on a considerable scale. One of these interfaces is our Data Warehouse, which stores colossal amounts of data produced by all our product teams. On top of that, we develop the business service layer that serves our customers. Being in the front on such a scale requires being at the top of everything the team does - from complicated business logic through interesting technical challenges that have a massive impact on the performance and cost of our data pipelines to the immediate feedback we receive from our clients when a new feature or improvement is released.
The team constantly collaborates with the Platform and Business to provide the most efficient solution for our data exposure. The collaboration includes a deep understanding of our technology, coping with the rising scale, having POCs for a never-ending effort to find the next best technology available to benefit our customers and us, and more.
Some of the technologies we currently use:
•
Java
•
Clojure
•
GCP & AWS hosted solutions
•
K8s
•
Kafka
•
DataDog
What you’ll do:
•
Be a part of the team that owns and evolves AppsFlyer’s Data Warehouse
•
Own and develop AppsFlyer products and features end-to-end - from design to production
•
Work with petabytes of data flowing through AppsFlyer pipelines
•
Solve diverse, complex problems at scale, with low clarity of the solution approach
•
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 everlasting effort to perfect our products and adapt to the ever-growing scale
What you have:
•
3+ years of development experience with a passion for excellence
•
Experience in JVM languages
•
Hands-on background with production systems
•
Experience in building APIs for server-client applications
•
Strong SQL knowledge
•
Ability to grasp new languages, systems, and frameworks fast
•
A team player with the drive to get things done and lead others along the way
•
Good communication skills, spoken and written English
Bonus points:
•
Experience in Clojure
•
Exposure to large-scale distributed databases or enterprise data warehouses (BigQuery, Snowflake, etc.)
•
Software system design experience
•
Experience in building ETLs using Spark Scala
•
Familiarity with the Google Cloud Platform
•
B.Sc. in computer science or equivalent
•
Recommended by an AppsFlyer employee
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 - 2799
About the company
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 of our 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 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