Data Engineer

AppsFlyer is a massive data-driven powerhouse. At any given moment, thousands of servers consume 150+ billion mobile app events , crunching data and creating an analytical marketing platform for any app owner. The ROI360 Data Team builds one of AppsFlyer’s most successful premium products. We don't just "move data"—we build the production features that allow any app marketers to connect cost budgets to user behavior in real-time. We are looking for an Experienced Big Data Engineer who loves solving complex problems at an extreme scale. In this role, you aren’t just building "internal pipelines"—you are developing the actual product our clients interact with. You will write high-performance code, optimize your own Spark processes for client freshness, and own features end-to-end. We need a "problem solver by nature, optimizer in their soul" who brings both technical depth and a great personality to a high-speed, deep technical team. What you’ll do Build Client-Facing Features: Design and implement high-scale product features for AppsFlyer’s premium clients - from architecture to production deployment. Performance Engineering: Optimize scalable data pipelines and distributed processes to meet strict client SLAs. Every millisecond of freshness matters. System Integrity: Ensure uncompromising data accuracy and performance across massive, complex datasets. Strategic Collaboration: Partner with upstream data providers, client-side teams, and Product Managers to turn raw events into production-grade features. What you have The Foundation: B.Sc. in Computer Science or an equivalent. Relevant Track Record: 3+ years in Big Data Engineering (Backend experience is a plus, provided you’ve worked at scale). Spark Mastery: 1+ years of deep, hands-on experience with Spark (or equivalent). You should understand "under the hood" complexities like memory management and execution plans. Engineering Craft: Strong programming skills (Ideally Scala ) with a deep understanding of distributed programming paradigms . You write clean, production-ready code that is optimized for execution across large-scale clusters. The Scale Mindset: A natural obsession with high-scale problem solving and system optimization. The Right DNA: A pragmatic, ownership-driven mindset with a personality that thrives in a collaborative environment. Bonus points Spark UI Sensei: Expertise in Spark UI analysis and performance tuning. Scala Pro: Advanced expertise in Scala. Modern Stack: Experience with Airflow, EMR-Serverless. Serving Layer: Experience with BigQuery as a high-performance serving layer. Functional Roots: Backend experience in functional or concurrent languages ( Scala, Go, or Clojure ). Domain Knowledge: Exposure to marketing measurement or AdTech. The AF Connection: Recommended by an AppsFlyer employee. 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