All offersWarszawaDataSenior Big Data Engineer(DWH Management)
Senior Big Data Engineer(DWH Management)
Data
Sigma Software

Senior Big Data Engineer(DWH Management)

Sigma Software
Warszawa
Type of work
Undetermined
Experience
Senior
Employment Type
Permanent, B2B
Operating mode
Office
Sigma Software

Sigma Software

Sigma Software is a global software development company that enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery. We have been working since 2002, from all over the world.

Company profile

Tech stack

    Spark
    advanced
    SQL
    advanced
    English
    advanced
    Python
    advanced
    Airflow
    advanced
    Google Cloud Platform
    advanced

Job description

Online interview
Friendly offer
 
We have a great opportunity for an experienced Big Data Engineer who is ready to show a high level of engagement in making technical decisions and work with Warehousing Management technologies.
Customer
Our customer is a rapidly growing US AdTech company which connects consumer experiences at scale via media and technology.
Project
Commerce platform for the open internet connects advertising, marketing, and CX through critical data and engaging digital experiences across platforms ranging from mobile to connected TV.
Across Connected TV, Mobile, and Desktop the product empowers premium publishers to create experiences that allow them serving the widest possible audience by optimizing consumers’ time and attention and delivering impactful results for advertisers. Brands and Advertisers have opportunity to get on our true attention guarantee of effective, zero-waste, high-engagement ad experiences that drive measurable brand funnel impact.
As a Data Engineer, you will be an important part of the team that owns data infrastructure. This is no small responsibility, because data is important for AdTech product as air for every living creature. Suppose you are excited by and have experience in ingesting, processing, storing, analyzing, and working in a Big Data environment. In that case, you are very likely the one to enjoy this role too!
Responsibilities
  • Perform various tasks, from targeting and measurement to joining and aggregating huge data sets, and to integrating with third party data sources
  • Develop and establish data organization & data governance practices
  • Support and launch new features to satisfy business needs
  • Be an active and engaged owner of data platform
  • Be curious and seek to understand all aspects of the product
  • Comply with the best engineering practices, technical standards, and quality criteria set forth on the project
  • Troubleshoot and resolve issues, problems, and errors encountered across various systems
  • Collaborate with Data Products team to iterate on the roadmap
  • Gather requirements when underspecified
Requirements
  • 3+ years of commercial experience in Big Data technologies
  • Experience with Warehousing Management and storage patterns
  • Good familiarity in Redshift
  • Strong knowledge of SQL
  • Knowledge of GCP cloud, GCP Big Query
  • High expertise in Python
  • Experience in Airflow
  • Familiarity with database fundamentals, such as ACID, snowflake schema, normalized/deformalized data
  • Upper-Intermediate level of English
Will be a plus:
  • Experience working with HDFS and S3
  • Working experience with Scala
  • Good knowledge of AWS cloud
  • Experience in the advertising industry and with targeting
Personal profile
  • High level of self-organization
  • Strong written and verbal communication skills
  • Striving to high quality solutions
  • Flexibility and initiative
  • Flexibility and initiative