{"id":744464,"url":"https://alion.io/job/isar-aerospace-senior-data-backend-software-engineer-fmd","title":"Senior Data & Backend Software Engineer (f/m/d)","company":{"id":3337,"name":"Isar Aerospace","domain":"isaraerospace.com","url":"https://alion.io/company/isar-aerospace-se","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":69,"ghost_share":0,"stale_share":0.42,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ottobrunn, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":127000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":62},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Iceberg","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Azure Data Factory","optional":false},{"name":"C#","optional":false},{"name":"ClickHouse","optional":false},{"name":"Databricks","optional":false},{"name":"Delta Lake","optional":false},{"name":"Druid","optional":false},{"name":"ETL/ELT","optional":false},{"name":"InfluxDB","optional":false},{"name":"Java","optional":false},{"name":"Microsoft Fabric","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Snowflake","optional":false},{"name":"Time Series","optional":false},{"name":"CI/CD","optional":true},{"name":"Flink","optional":true}],"status":"live","first_seen_at":"2026-09-11T11:51:02Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-11-02T10:58:24Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":51},"description":"Mission Brief \nJoin 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. \nYour Role in Our Space Mission: \nAs part of our Data and Analytics team, you will design, develop, and operate the systems that ingest, process, store, and serve data at scale. \nYou will: \nBuild modern, scalable, and high-performance solutions for our engineering and operation platform. \nStrong understanding and at least 6 years of hands-on experience in one of the following languages: C#, Java, Rust, Python. \nDefine data ingestion, processing, storage, and access patterns to ensure reliability, scalability, and maintainability. \nDevelop data services, APIs, pipelines, and data products that make data available to engineers, analysts, and business stakeholders. \nDesign and implement robust ETL/ELT processes to ingest and transform data from a wide variety of sources. \nContribute to data architecture, modeling, and storage decisions to ensure consistency, availability, low latency, and long-term sustainability of the platform. \nEnsure data quality and integrity through validation processes, monitoring, and adherence to data governance principles. \nProvide observability and monitoring of platform components, enabling rapid detection and resolution of issues. \nAuthor and maintain architectural documentation, technical specifications, and user-facing documentation. \nCollaborate with cross-functional teams to understand data needs and deliver impactful solutions. \nGuide less experienced engineers by sharing your knowledge and know-how, promoting engineering best practices and continuous learning. \nQualification Checklist \nA degree in software engineering, computer science, data science or similar \nStrong experience with batch and streaming data processing \nGood understanding of time-series data concepts, including sampling rates, decimation, signal integrity, and frequency-domain analysis \nPractical experience in optimizing and efficient implementation of native data processing and DataFrame-based processing \nExcellent skills in querying, transforming, and optimizing large-scale datasets \nSolid understanding of modern data architectures, including Lakehouse, Data Warehouse, and Medallion Architecture patterns \nHands-on experience with analytical storage technologies such as Delta Lake and Apache Iceberg \nExperience with Apache Kafka and event-driven architectures \nExperience with modern data platforms such as Microsoft Fabric, Azure Data Factory, Databricks, or Snowflake \nStrong understanding of software engineering principles, including maintainability, testing, and automation \nUnderstanding of cloud infrastructure, networking concepts, and platform operations \nExperience with Protobuf encoding and columnar file formats (Parquet, Arrow, Zarr, Arrow Flight) \nExperience with observability, monitoring, and telemetry solutions \nExperience with OLAP databases and/or TSDBs (like ClickHouse, Apache Druid, InfluxDB) \nAbility to communicate technical concepts effectively and collaborate across disciplines \nBonus Skills: \nExperience working with large-scale engineering, manufacturing, or telemetry datasets. \nFamiliarity with DevOps practices, CI/CD pipelines, and Infrastructure as Code (IaC). \nExperience with stream processing frameworks like Apache Flink\nBenefits \nEmployee Participation Program: Share in our success through our virtual company share program\n30 days of vacation: Enjoy the days off to relax and recharge \nCompany pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period\nSubsidised lunch: Stay energised with delicious, subsidised lunches every day\nPublic transport ticket: Commute with ease using a fully financed Deutschlandticket\nRental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service \n Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)\nIndividual learning allowance: Grow your skills with an individual learning budget granted after the probation period\nChildcare allowance: Receive a childcare allowance for your non-school-age children\nAnd Much More! Discover additional perks and benefits when you join our team. \nWho we are\n\nWe are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space.\nOur mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.\nWe are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation.\nWe're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career!\nWant to find out more about us?\nVisit www.isaraerospace.com\nData Protection\n We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our Privacy Policy.\nDisclaimer\n Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.","description_format":"text","description_chars":6252,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Aerospace Manufacturing","Launch Services"],"lifecycle":[{"event":"open","at":"2026-09-11T13:43:29Z"}],"visa":[],"liveness":{"score":53,"band":"ok","label":"Likely open","p_open":1,"p_active":0.883,"p_room":0.6,"age_days":51,"expected_fill_days":63,"reasons":["conf:3","velocity","win:late","crowd:brand"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/isar-aerospace-senior-data-backend-software-engineer-fmd","json_url":"https://alion.io/job/isar-aerospace-senior-data-backend-software-engineer-fmd.json","meta":{"generated_at":"2026-11-02T12:51:11Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":17500,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3337},"rest":"https://alion.io/mcp/rest/get_company?id=3337"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fisar-aerospace-senior-data-backend-software-engineer-fmd"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fisar-aerospace-senior-data-backend-software-engineer-fmd"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fisar-aerospace-senior-data-backend-software-engineer-fmd"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/isar-aerospace-senior-data-backend-software-engineer-fmd\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fisar-aerospace-senior-data-backend-software-engineer-fmd"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":744464}},{"tool":"search_jobs","arguments":{"company":"isaraerospace.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":744464},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}