{"id":3242793,"url":"https://alion.io/job/polarise-senior-software-engineer-mfd","title":"Senior Software Engineer (m/f/d)","company":{"id":694545,"name":"Polarise","domain":"polarise.eu","url":"https://alion.io/company/polarise-2","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_company_offices","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":210000,"period":"year","method":"global_role_seniority_cell","sample_n":7767},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"FastAPI","optional":false},{"name":"GitOps","optional":false},{"name":"Keycloak","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"OpenAI","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Pydantic","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SQLAlchemy","optional":false},{"name":"ArgoCD","optional":true},{"name":"Claude Code","optional":true},{"name":"Copilot","optional":true},{"name":"Docker","optional":true},{"name":"Git","optional":true},{"name":"Helm","optional":true},{"name":"Mypy","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"Prometheus","optional":true},{"name":"Pytest","optional":true},{"name":"Sentry","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-23T16:57:15Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-27T04:29:17Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Your mission\nYou develop and operate core services of our Sovereign AI Cloud based on Python and FastAPI. This includes, among other things, our OpenAI-compatible LLM inference gateway and our conversational AI platform.\nYou contribute to our shared platform library for authentication, authorization, and multi-tenancy, creating the foundation for secure and scalable products.\nYou build solutions using modern technologies such as PostgreSQL, Redis, and asynchronous Python, ensuring sustainable and robust data architectures.\nYou are responsible for the quality, stability, and observability of your services through automated testing, monitoring, and logging solutions.\nYou support the entire software lifecycle, from architecture and implementation to deployment and the operation of production systems.\nYou work closely with our product, platform, and engineering teams and actively contribute your ideas to the further development of our AI platform.\nYou leverage modern development practices such as CI/CD, GitOps, and Kubernetes-based deployments to deliver software efficiently and securely.\nYour profile\nYou have several years of experience in backend development and are proficient in at least one modern programming language. Ideally, you have hands-on experience with Python, FastAPI, Pydantic, and SQLAlchemy.\nYou have solid experience in designing and developing REST APIs and working with OpenAPI specifications.\nYou are confident working with relational databases, preferably PostgreSQL, and have experience with Redis or comparable in-memory databases.\nYou are familiar with modern authentication and authorization concepts such as OAuth2, OIDC, JWT, and RBAC. Experience with Keycloak is a plus.\nYou value clean, maintainable, and well-tested code and are comfortable working with modern development tools such as pytest, mypy, and ruff.\nYou have practical experience with Git, Docker, and CI/CD pipelines.\nIdeally, you have already operated applications on Kubernetes and are familiar with GitOps approaches and tools such as Helm or ArgoCD.\nInitial experience with AI applications, LLM integrations, or modern AI toolchains is an advantage - as is using AI tools like GitHub Copilot or Claude Code in your daily workflow.\nExperience with React, TypeScript, and modern observability stacks such as OpenTelemetry, Prometheus, or Sentry rounds out your profile.\nYou communicate confidently in English and, ideally, in German, and enjoy working in an international, technology-driven environment.\nYou are willing to participate in an on-call rotation and occasionally travel for team workshops.\nWhy us?\nMeaningful Work: Help shape the story of one of Europe’s most exciting AI infrastructure companies from the ground up and contribute to strengthening Europe’s technological independence in the field of AI.\nHigh Level of Ownership: Work with direct access to the C-level team and actively shape the technical foundation of our platform. You will make decisions with real impact on scalability, reliability, and the developer experience across our teams.\nStrong Team: Become part of a growing, highly motivated tech team and collaborate closely with experienced engineers and technical leaders.\nRemote-First Work Model: Work in a way that helps you truly balance your professional, family, and personal life.\n Thoughtful Onboarding: Look forward to a structured onboarding plan, a welcome package with company merchandise, and your preferred hardware (MacBook Pro or ThinkPad).\nRoom for Growth: Actively shape your role and develop it in directions that match your strengths and interests, whether in platform architecture, cloud infrastructure, reliability engineering, or developer experience.\n Attractive Benefits: Enjoy a wide range of employee offers and exclusive discounts with numerous brands and providers, JobRad bike leasing, contributions to your company pension plan and Germany Ticket, as well as the opportunity to work temporarily from other EU countries. And because we are a fast-growing scale-up, we continuously expand and improve our benefits offering.","description_format":"text","description_chars":4092,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Apple Macbook"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Machine Learning","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-10-25T17:25:41Z"},{"event":"close","at":"2026-10-26T09:25:35Z"},{"event":"reopen","at":"2026-10-26T13:40:37Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":29,"reasons":["conf:0","win:early"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/polarise-senior-software-engineer-mfd","json_url":"https://alion.io/job/polarise-senior-software-engineer-mfd.json","meta":{"generated_at":"2026-10-27T05:43:10Z","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":5580,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":694545},"rest":"https://alion.io/mcp/rest/get_company?id=694545"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpolarise-senior-software-engineer-mfd"},{"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%2Fpolarise-senior-software-engineer-mfd"},{"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%2Fpolarise-senior-software-engineer-mfd"},{"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/polarise-senior-software-engineer-mfd\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpolarise-senior-software-engineer-mfd"}]}