Software Developer, Data Engineer
Listed on 2026-03-01
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IT/Tech
Data Engineer
We are looking for a Software Developer to join one of our teams and help us build great products for our clients.
Join our Stellar team and become a part of a group of over 300 experts in the AdTech domain. What is Stellar? It’s a community, a network, and a dedicated business unit within Sigma Software that specializes in advertising technology solutions. Over the years, we’ve had opportunities to work with some of the largest AdTech companies in the world. We brought tons of AdTech startups from an idea to a thriving business.
Since 2008, we’ve worked with advertising technology companies 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 strive to build long-term cooperation, develop business and partnerships with the best Customers, and are ready to commit to joint business development, this could be a perfect match.
Job Description- Maintain and enhance existing data processes to ensure reliability, performance, and scalability
- Improve and support Python-based services, as well as develop new ones
- Design, implement, and optimize scalable data architecture
- Drive improvements in system reliability and performance across all data workflows
- Modernize data processes by introducing new tools and technologies
- Manage data flow between local storage, AWS, and Snowflake with a focus on performance and cost efficiency
- Lead migration of data pipelines and services to Snowflake
- Work with and improve the data orchestration layer (Airflow) for stable operation and scalability
- Collaborate with cross-functional teams to ensure architectural alignment and adoption of best practices
- Proficiency in Python for data processing and platform development
- Advanced SQL skills with ability to write efficient, complex queries
- Strong hands-on experience with Snowflake
- Proficiency in DBT for data transformation and modeling
- Practical experience with Airflow for orchestration of data workflows
- Excellent communication, collaboration, and problem-solving skills
- Ability to work effectively with both technical and non-technical stakeholders
- Proven ability to operate independently, take ownership, and drive initiatives to completion
- Bachelor’s degree in Computer Science, Engineering, or related field
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