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Senior Data Engineer
Sigma Software · Remote, Kyiv city, Ukraine
About The Role
- Build and support data pipelines that ingest data from external systems
- Work with both full data loads and regular incremental updates
- Develop and maintain integrations using Java 
- Help design and maintain a unified internal data model
- Ensure data quality and handle incorrect or incomplete data
- Use AI‑assisted tools and approaches to improve data quality, detect issues, and support operations when appropriate
- Ensure data pipelines are reliable, well‑monitored, and production‑ready
- Work closely with engineering and product teams on integration and data needs
- At least 5 years of professional experience as a Data Engineer
- Strong production experience with Java
- Experience with at least one data processing framework, such as Apache Spark, Apache Beam, or Apache Flink
- Experience integrating external systems via REST APIs, including pagination, rate limiting, and token‑based authentication
- Strong data modelling skills and experience working with structured, relational data
- Solid SQL knowledge
- GCP Dataflow experience
- Experience operating data pipelines in production environments
- Strong communication skills and ability to work across teams
- English level - Upper Intermediate
NICE TO HAVE
- Experience with event‑driven architectures or messaging systems
- Experience designing canonical schemas across multiple data sources
- Experience with LLM
PERSONAL PROFILE
- Proactive and detail-oriented
- Thrives in collaborative environments
- Enjoys solving complex integration challenges
- Comfortable experimenting with new technologies
- Committed to improving data systems
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