Position: Senior Big Data Developer
Company: WorkNest
Category: Java
Experience required: 5y
English level: upper

**AppsFlyer** is the world’s leading mobile attribution & marketing analytics platform, helping app marketers around the world make better decisions. AppsFlyer’s holistic approach allows advertisers to measure all media sources, including paid, organic, viral, and social sources, without compromising user experience or accuracy.

The core of AppsFlyer is the data - currently over 100 billion events a day - and like the company, the data is growing rapidly. Managing and providing analytics for this data is a huge service provides to clients.

Data Lake **team** consists of  5 engineers in Israel and Ukraine and builds reliable and robust storage for all events across AppsFlyer (25 PB). The responsibility zone is much broader than “Data Lake”, it includes management of schemas, ETL’s, interfaces to and from storage. 

**Your day-to-day**:
• Collaborate in architecture and evolution of data pipeline from raw to production
• Build and own a data environment that is robust, high-quality and provides fast access

**Requirements**:
• 5+ years of Java development
• Strong Java core
• Experience with Kafka, Spark, Hadoop or any other distributed technologies
• Experience in working with high scale, distributed cloud-based architectures and AWS specifically
• Excellent analytical and interpersonal skills, with the ability to work successfully with engineers, product owners and business stakeholders
• Good communication skills - both spoken and written English.

**As a bonus point**:
• Knowledge of Scala/Go
• Recommended by an AppsFlyer employee

**Social Package includes**:
• Medical Insurance
• Paid team sport activities
• English classes
• Paid unlimited vacations + all Ukrainian national holidays
• Paid sick days
• Meals reimbursement
• Team building, happy hours and other team activities
• Parking reimbursement
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand new Mac laptop with 2 monitors and a Starter package.

The company provides mandatory and not mandatory business trips (Covid-19 Permitting):
• Academy — mandatory educational program hosted in Israel for learning about a product, teams, business goals, technologies and meeting team members from all around the world;
• Business trips to IL;
• GEEP after 1 year in the company — trips provided to best performing team members to other locations to bring technical knowledge to other company offices and assist team members around the world.