{"id":4027587,"url":"https://alion.io/job/schwarz-digits-senior-software-engineer-iaas-platform-in-stackit-cloud-mfd","title":"(SENIOR) SOFTWARE ENGINEER – IAAS PLATFORM IN STACKIT CLOUD (m/f/d)","company":{"id":51752,"name":"Schwarz Digits","domain":"schwarz-digits.de","url":"https://alion.io/company/schwarz-digits","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":94,"open_postings":4,"ghost_share":0,"stale_share":0.25,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-11-10T06:52:35Z"}},"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":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Helm","optional":true},{"name":"Kubernetes","optional":true},{"name":"Linux","optional":true},{"name":"OpenStack","optional":true}],"status":"live","first_seen_at":"2026-11-10T17:12:36Z","employer_posted_date":null,"last_verified_at":"2026-11-10T17:12:36Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Make an amazing climb in your career in an international team of experts. Our company provides technological services for the whole Schwarz group of more than 30 countries in Europe and the US. Our vision is to be the leading ecosystem for a better life. We built the European sovereign cloud STACKIT. With XM Cyber we set new standards in differing cyber crimes. We run AI better than anyone. With us you will find a variety of opportunities to grow and do your best at your calling – IT. We exist to improve life with our products and services – for today’s generation and future generations. We act future proof!\n\nThe impact you will create:\n\nBuild a cloud hyperscaler from the ground up.\n\nImprove the IaaS API to make it more stable and scalable, and add new features.\n\nScale the billing pipeline to handle 10x to 100x more volume and new resource types.\n\nOwn your features from end to end. You build the code, run it, fix it, release it.\n\nMake architectural decisions across different services.\n\nReview API code from other IaaS teams.\n\nMentor team members, raise the bar in code reviews, and write clear documentation.\n\nExperience and Skills you will need:\n\nProven track record in software engineering utilizing Go or Python (Rust proficiency is a plus).\n\nYou write clean, well-tested code and can explain your design choices. Python and Rust knowledge is a bonus.\n\nStrong software testing skills. You know when to apply different levels of testing.\n\nExperience with distributed systems. You understand retries, partial failures, and eventual consistency.\n\nDeep knowledge of relational databases. (Experience at a large scale is a bonus.).\n\nStrong Linux fundamentals (logs, networks, and processes).\n\nDaily experience with Kubernetes and Helm. You must know how to debug a failing pod.\n\nA proactive mindset. You find and fix broken pipelines, flaky tests, and outdated documentation.\n\nStrong problem-solving skills. You can take a vague problem, define the requirements, challenge bad assumptions, and deliver the solution to production.\n\nBonus: Willingness to learn and debug OpenStack. (OpenStack runs beneath our API. You do not need to be an expert, but you must be willing to learn).\n\nOur offer:\n\nAn attractive remuneration package depending on your seniority.\n\nVariety of opportunities with one of the strongest and largest retail companies in the world.\n\nA huge array of tools & technologies available on the spot and ready for a steady personal development.\n\nFood vouchers, MultiSport card, additional health insurance, travel expenses and a modern office close to Paradise Mall.\n\nA good work-life balance with flexible working time & options for mobile work.\n\nA pleasant and diverse environment with regular events, team buildings and stimulating activities.\n\nYour application will be reviewed in strict confidentiality. Approved candidates will receive a notification via email about a registration in our company recruiting system and then be contacted for an interview. By applying for our job openings and by providing your personal data you explicitly agree with our Privacy Policy here: https://schwarz-digits.de/en/privacy-policy?hidebanner=true\n\nYour data will be processed for the purpose of recruiting and for the purpose of possible signing of a labor contract. Your data will be stored and processed by „Schwarz Global Services Bulgaria” EOOD. Please have in mind that with this you give permission for your resume to be shared with other parties of the Schwarz Group.\n\nSome are still thinking. 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