Position: Middle/Senior Java Developer(AdTech)
Company: Sigma Software
Experience required: 5y
English level: upper

CUSTOMER
Our client has superior end-to-end technology, premium marketplace, and best in market advisory services that power the world’s advertising businesses of the largest media and entertainment companies. For example, Fox, NBC Universal, Viacom in the USA, Sky, Channel 4, RTE, and Mediaset in Europe. 

PROJECT
We invite you to work with a provider of comprehensive ad platforms for publishers, advertisers, and media buyers. We build and support high-quality data solutions to process terabytes of data on AWS’s cloud-native data platform. Our project helps build graph of graphs. 

REQUIREMENTS
4+ years of hands-on work in the field of Software Development  
Strong knowledge of algorithms and data structures 
Excellent knowledge of Java 
Strong skills in SQL and proven experience working with major database platforms 
 

WILL BE A PLUS:
Knowledge of Databricks  
Knowledge of Scala, Spark 

PERSONAL PROFILE
Excellent communication and writing skills 
A curious problem solver 
Versatile team player 

RESPONSIBILITIES
-Extensively use several cutting-edge AWS services, 3rd party commercial software, and internally developed software to store, process, and deliver near real-time data 
-Design, manage, improve, and build the next generation of data tools and frameworks to develop and maintain data products and infrastructure 
-Support and troubleshoot data and/or system issues 
-Collaborate with external teams to identify, troubleshoot, and permanently resolve data quality issues 
-Develop in-house tools to automate common tasks 
-Work with languages like Scala, Python, and SQL 
-Conduct code and design reviews to ensure the product quality remains high 
-Mentor and guide colleagues and new team members 
-Collaborate with Data Engineers and Product Managers to translate complex product requirements into working high-quality cloud-native data solutions 
-Share learnings with wider engineering teams by doing technical demos