Senior Data

Mission Brief

Join us in building the systems and software that empowers our engineering and operation departments to analyze flight data and make data-driven decisions. As a Data & Backend Software Engineer, you will help transform large volumes of structured and unstructured data into reliable, accessible, and actionable information. Your work will enable data-driven decision-making across the company and unlock insights that drive innovation and operational excellence.

Your Role in Our Space Mission:

• Build modern, scalable, and high-performance solutions for our engineering and operation platform.
• Strong understanding and at least 6 years of hands-on experience in one of the following languages: C#, Java, Rust, Python.
• Define data ingestion, processing, storage, and access patterns to ensure reliability, scalability, and maintainability.
• Develop data services, APIs, pipelines, and data products that make data available to engineers, analysts, and business stakeholders.
• Design and implement robust ETL/ELT processes to ingest and transform data from a wide variety of sources.
• Contribute to data architecture, modeling, and storage decisions to ensure consistency, availability, low latency, and long-term sustainability of the platform.
• Ensure data quality and integrity through validation processes, monitoring, and adherence to data governance principles.
• Provide observability and monitoring of platform components, enabling rapid detection and resolution of issues.
• Author and maintain architectural documentation, technical specifications, and user-facing documentation.
• Collaborate with cross-functional teams to understand data needs and deliver impactful solutions.
• Guide less experienced engineers by sharing your knowledge and know-how, promoting engineering best practices and continuous learning.

Qualification Checklist

• A degree in software engineering, computer science, data science or similar
• Strong experience with batch and streaming data processing
• Good understanding of time-series data concepts, including sampling rates, decimation, signal integrity, and frequency-domain analysis
• Practical experience in optimizing and efficient implementation of native data processing and DataFrame-based processing
• Excellent skills in querying, transforming, and optimizing large-scale datasets
• Solid understanding of modern data architectures, including Lakehouse, Data Warehouse, and Medallion Architecture patterns
• Hands-on experience with analytical storage technologies such as Delta Lake and Apache Iceberg
• Experience with Apache Kafka and event-driven architectures
• Experience with modern data platforms such as Microsoft Fabric, Azure Data Factory, Databricks, or Snowflake
• Strong understanding of software engineering principles, including maintainability, testing, and automation
• Understanding of cloud infrastructure, networking concepts, and platform operations
• Experience with Protobuf encoding and columnar file formats (Parquet, Arrow, Zarr, Arrow Flight)
• Experience with observability, monitoring, and telemetry solutions
• Experience with OLAP databases and/or TSDBs (like ClickHouse, Apache Druid, InfluxDB)
• Ability to communicate technical concepts effectively and collaborate across disciplines

Bonus Skills:

• Experience working with large-scale engineering, manufacturing, or telemetry datasets.
• Familiarity with DevOps practices, CI/CD pipelines, and Infrastructure as Code (IaC).
• Experience with stream processing frameworks like Apache Flink.

Benefits

• Employee Participation Program: Share in our success through our virtual company share program
• 30 days of vacation: Enjoy the days off to relax and recharge
• Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
• Subsidised lunch: Stay energised with delicious, subsidised lunches every day
• Public transport ticket: Commute with ease using a fully financed Deutschlandticket
• Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service
• Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
• Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
• Childcare allowance: Receive a childcare allowance for your non-school-age children
• And Much More Discover additional perks and benefits when you join our team.

Who we are

We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheap