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Sigma SoftwareSS

Senior Data Engineer (AdTech unit)

Sigma Software Group is a global IT consulting company that provides top-quality custom software development, graphic design, testing, and support services to a wide range of industries.

Sigma Software

Employee count: 1001-5000

Ukraine only
  • Design, develop, and maintain end-to-end big data pipelines that are optimized, scalable, and capable of processing large volumes of data in real-time and in batch mode
  • Collaborate closely with cross-functional stakeholders to gather requirements and deliver high-quality data solutions that align with business goals
  • Implement data transformation and integration processes using modern big data frameworks and cloud platforms
  • Build and maintain data models, data warehouses, and schema designs to support analytics and reporting needs
  • Ensure data quality, reliability, and performance by implementing robust testing, monitoring, and alerting practices
  • Contribute to architectural decisions for distributed data systems and help optimize performance for high-load environments
  • Ensure compliance with data security and governance standards
  • 4+ years of experience in data engineering, big data architecture, or related fields
  • Strong proficiency in Python and PySpark 
  • Advanced knowledge of SQL (query optimization, complex joins, window functions) and experience with NoSQL databases
  • Solid understanding of distributed computing principles and hands-on experience with technologies such as Apache Spark, Kafka, Hadoop, Presto, or Databricks
  • Experience designing and managing data warehouses and data lake architectures in cloud environments (AWS, GCP, or Azure)
  • Familiarity with data modeling, schema design, and performance tuning for large datasets
  • Strong understanding of DevOps practices for automating deployment, monitoring, and scaling big data applications (e.g., CI/CD pipelines)
  • At least an Upper-Intermediate level of English

PERSONAL PROFILE

  • Excellent communication skills and the ability to work effectively in cross-cultural and cross-functional teams

We are seeking a Senior Data Engineer to join our Stellar team and contribute to building world-class products for our clients. By joining Stellar, you’ll become part of a community of 300+ AdTech experts, working alongside seasoned professionals in a culture that values excellence, innovation, and collaboration.

What is Stellar? It is a community, a network, and a dedicated business unit within Sigma Software that specializes in advertising technology solutions. Over the years, we’ve had the opportunity to work with some of the largest AdTech companies in the world. We have helped numerous AdTech startups grow from an idea to a thriving business. Since 2008, we’ve been working with advertising technology businesses to help them envision, build, and support their technology.

We are building a Competence Center where we stay focused on exploring our domain to become the best specialists in the industry. If you are looking to build long-term cooperation, common business development, and building strong relationships with the best Customers, this could be a perfect fit.

About the job

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Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

Ukraine +/- 0 hours

About Sigma Software

Learn more about Sigma Software and their company culture.

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At the heart of Sigma Software Group lies a culture deeply rooted in Scandinavian values, emphasizing mutual respect, transparency, and a minimal hierarchy. This foundation fosters an environment where every voice is heard and valued, empowering our team of over 2000 IT experts to innovate and excel. Since our inception in 2002, our mission has been to build long-term, synergistic relationships not just with our clients, but with our employees as well. We believe that the key to delivering top-quality, value-adding IT services is a team that feels supported, inspired, and driven by a shared passion for finding better solutions. Our culture is one of perseverance, coupled with exceptional client management and strong engineering principles, which has been the cornerstone of our success and sustained growth on the global stage.

Our commitment extends beyond delivering cutting-edge software solutions. We are dedicated to nurturing the growth of the IT ecosystem through our educational platform, Sigma Software University, and fostering the next generation of tech innovators via our corporate venture fund, Sigma Software Labs. This holistic approach reflects our core belief in the power of collaboration and knowledge sharing. We actively encourage our specialists to pursue professional development, offering a continuous education program and a multitude of knowledge-sharing events. This dedication to growth, combined with a flexible work-life balance and a strong sense of community, defines who we are. We are more than just a technology partner; we are a collective of passionate individuals working together to create a better tomorrow, driven by a constant quest for innovation and a commitment to making a positive impact on the world.

Employee benefits

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Discount program

Access to a discount program.

Flexible schedule

Organize your work schedule in a way that suits you.

Remote or office work

You can choose to work from one of our outstanding offices or remotely.

Legal support

24/7 call center for legal advice and urgent lawyer assistance in case of an incident.

View Sigma Software's employee benefits
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Sigma Software

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Sigma Software hiring Senior Data Engineer (AdTech unit) • Remote (Work from Home) | Himalayas