Senior Data & Backend Software Engineer (f/m/d)
Isar Aerospace SE4 hours ago
Ottobrunn, GermanySenior
Responsibilities
- Build scalable, high-performance backend and data solutions for engineering and operations platforms.
- Define reliable, maintainable patterns for data ingestion, processing, storage, and access.
- Develop data services, APIs, pipelines, and data products for engineers, analysts, and business stakeholders.
- Design and implement ETL/ELT processes for ingesting and transforming data from diverse sources.
- Contribute to data architecture, modeling, storage, and analytical platform decisions.
- Ensure data quality and integrity through validation, monitoring, and data governance practices.
- Provide observability and monitoring for platform components and support issue detection and resolution.
- Write and maintain architectural, technical, and user-facing documentation.
- Collaborate with cross-functional teams to understand data needs and deliver solutions.
- Guide less experienced engineers and promote engineering best practices and continuous learning.
Requirements
- A degree in software engineering, computer science, data science, or a similar field.
- At least 6 years of hands-on experience with one or more of C#, Java, Rust, or Python.
- Strong experience with batch and streaming data processing.
- Understanding of time-series concepts including sampling rates, decimation, signal integrity, and frequency-domain analysis.
- Experience optimizing native data processing and DataFrame-based processing.
- Strong skills querying, transforming, and optimizing large-scale datasets.
- Understanding of Lakehouse, Data Warehouse, and Medallion Architecture patterns.
- Hands-on experience with Delta Lake and Apache Iceberg.
- Experience with Apache Kafka and event-driven architectures.
- Experience with Microsoft Fabric, Azure Data Factory, Databricks, or Snowflake.
- Understanding of software engineering principles including maintainability, testing, and automation.
- Understanding of cloud infrastructure, networking, and platform operations.
- Experience with Protobuf and columnar formats including Parquet, Arrow, Zarr, and Arrow Flight.
- Experience with observability, monitoring, and telemetry solutions.
- Experience with OLAP databases or time-series databases such as ClickHouse, Apache Druid, or InfluxDB.
- Ability to communicate technical concepts effectively and collaborate across disciplines.
- Experience with large-scale engineering, manufacturing, or telemetry datasets is a bonus.
- Familiarity with DevOps practices, CI/CD pipelines, and Infrastructure as Code is a bonus.
- Experience with stream-processing frameworks such as Apache Flink is a bonus.
Benefits
- Employee participation through a virtual company share program.
- 30 days of vacation.
- Company pension plan with a 20% employer contribution after the probation period.
- Subsidised lunches.
- Fully financed Deutschlandticket for public transportation.
- Rental clothing with laundry service.
- Sponsored sports club memberships through EGYM Wellpass.
- Individual learning budget after the probation period.
- Childcare allowance for non-school-age children.
Tech Stack
Categories
BackendData Engineering
About Isar Aerospace SE
Isar Aerospace SE designs and manufactures orbital launch vehicles and sells launch services for small and medium satellites and constellations. Privately held and headquartered in Ottobrunn, Bavaria, the company was founded in 2018 and is developing the Spectrum rocket with planned launches from Andøya, Norway. Its customers are commercial and institutional satellite operators seeking dedicated or rideshare access to low Earth orbit.