{"id":2849732,"url":"https://alion.io/job/varm-senior-full-stack-engineer-mfd-berlin","title":"Senior Full Stack Engineer (m/f/d) - Berlin","company":{"id":2195963,"name":"VARM","domain":"varm.earth","url":"https://alion.io/company/varm-earth","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berlin, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":68000,"max_usd":121000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":62},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM","optional":false},{"name":"RAG","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-19T12:13:48Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-30T12:17:26Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"Your Mission\nBuild the software that runs a construction business.\nVARM is a technology company at heart. We run insulation operations at scale, from the first customer contact to the finished installation, and we are building an AI system that runs every process behind it. Today, people make the decisions and the system does the work around them. As we scale, the system takes on more.\nWe built that for ourselves. Now we are building it for everyone else in European trade.\nYou'll own Blue, our platform for external construction and craft businesses: the software that lets them run their core business on autopilot. It started as our partner portal and has grown into B2B software. You'll turn it into a product that scales.\nNo tickets, no PM in between. You talk to the businesses using it, decide what gets built, design it and ship it.\nYou'll own a product, not just a codebase.\nYour Tasks\n1. The platform for construction businesses\nOwn Blue end to end, from data model to UI. Today it connects VARM with the craft partners who install for us. Your job is to grow it into the system those businesses run their own company on.\n2. Autopilot for the trades\nTake the workflows we automated for our own operations and make them work for any construction business: planning, coordination, and the decisions that today need a phone call. Humans stay in the loop where it matters. The system handles the rest.\n3. The AI layer\nOur AI system is built on the knowledge of thousands of past projects, and we plan to post-train our own model on it. You contribute where that intelligence shows up in your product and build the bridge between the model and the people using it.\nYour Profile\nYou have 5+ years of experience building and shipping real software products, ideally in a VC-funded startup or similarly fast-moving environment\n\nYou are strong across the stack, including TypeScript, modern frontend frameworks, backend systems, APIs and SQL\n\nYou have integrated AI into production software, whether LLM APIs, RAG, agents or similar, and understand what it takes to make it reliable for real users\n\nYou take ownership from idea to production and don't wait for detailed specs\n\nYou are product-minded, enjoy talking to users and can turn ambiguous problems into simple, working solutions\n\nYou actively use AI and agentic coding to develop faster, but still care about code quality, architecture and knowing when not to use an LLM\n\nYou are comfortable making technical decisions independently and designing reliable systems that can scale and drive business impact\n\nBonus:\nExperience in B2B products, marketplaces or operations-heavy environments such as field services, construction or logistics\n\nWorking proficiency in German is a plus, since many of the businesses you build for speak German\n\nWhy VARM?\nReal ownership: Own a business-critical product end-to-end, with meaningful influence over technical and product decisions\n\nAI-first engineering: Work in an environment where AI is part of how we build every day, not an occasional experiment\n\nHigh impact: Build software used in real-world operations and see how your work impacts efficiency, growth and revenue\n\nSmall team, big ambition: Work directly with business functions and leadership, without unnecessary layers between ideas and execution\n\nFunded for growth: We recently raised a €17.5M Series A to scale our business and technology across Europe\n\nMeaningful equity: Join early enough to participate in the upside you're helping create\n\nFreshly funded, here to stay: A permanent contract at a company that just raised a €17.5M Series A. You’re not employee no. 200 at an interchangeable corporation, but part of the team building our next growth phase.\n\nImpact you can measure: Better planning, less rework, higher utilisation. Every improvement you ship to our partner portal means more insulated homes, lower heating bills for families and less CO₂. For you, climate action becomes a metric you move every week.\n\nRight in Kreuzberg: Our office at Paul-Lincke-Ufer, right on the Landwehrkanal. Hybrid, with work-from-home flexibility, but close enough that we still see each other.\n\n30 days of vacation: A full 30 days. Whether it’s a long summer break, a long weekend in between or just three days in a row without your laptop, you’ll never have to fight for your time off.\n\nA team, not just colleagues: We work hard towards our goals without forgetting how to work together. Regular offsites bring the whole team around one table. Team events make room for informal exchange beyond day-to-day business. If you’re into sports, our padel and running clubs are the place to be. And because growth doesn’t work without honest feedback, you’ll get it continuously: direct, constructive and not just once a year in a review.\n\nFully stocked: A portafilter espresso machine for your caffeine fix, soft drinks in the fridge, plus a muesli bar and snacks for that afternoon slump. All free and always available, so there’s no need to run to the café around the corner for the basics.\n\nYour choice, your device: MacBook or Lenovo? You know best what makes you productive, so you decide. No standard-issue device you have to get used to first. We’ll set you up with the hardware you feel at home with from day one.\n\nAbout VARM\nVARM is one of Europe’s fastest-growing climate-tech startups, based in Berlin. We make building insulation, especially blown-in insulation, simple, fast and scalable. Our mission: insulate 1 million homes in 10 years.\nIn June, we closed our €17.5M Series A. The money goes straight into growth, including our product and tech team.\nSounds like the perfect role for you?\nEven if you don’t meet 100% of the requirements, we still encourage you to apply.\nVARM is an equal opportunity employer that promotes diversity. We strive to create a friendly, safe and welcoming environment for all our employees, regardless of ethnic origin, gender, gender identity and expression, sexual orientation, disabilities and abilities of any kind, physical appearance, social background, marital status, age or religion (or lack thereof).","description_format":"text","description_chars":6107,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"German","level":"All levels","optional":false}]},"benefits":["Apple Macbook","Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Energy Efficiency","Construction"],"lifecycle":[{"event":"open","at":"2026-10-19T12:46:42Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":10,"expected_fill_days":38,"reasons":["conf:13","win:early"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/varm-senior-full-stack-engineer-mfd-berlin","json_url":"https://alion.io/job/varm-senior-full-stack-engineer-mfd-berlin.json","meta":{"generated_at":"2026-10-30T13:55:15Z","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":1155,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":2195963},"rest":"https://alion.io/mcp/rest/get_company?id=2195963"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvarm-senior-full-stack-engineer-mfd-berlin"},{"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%2Fvarm-senior-full-stack-engineer-mfd-berlin"},{"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%2Fvarm-senior-full-stack-engineer-mfd-berlin"},{"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/varm-senior-full-stack-engineer-mfd-berlin\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvarm-senior-full-stack-engineer-mfd-berlin"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2849732}},{"tool":"search_jobs","arguments":{"company":"varm.earth","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2849732},"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. 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