{"id":3185206,"url":"https://alion.io/job/impactmarket-cto-founding-engineer","title":"CTO / Founding Engineer","company":{"id":4424119,"name":"Impactmarket","domain":"impactmarket.co","url":"https://alion.io/company/impactmarket-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Leadership","role_family":"Leadership","seniority":"head","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Copenhagen, Denmark"],"countries":["DK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":127000,"max_usd":286000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":4188},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"LLM Guardrails","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rust","optional":false},{"name":"SQL","optional":false},{"name":"GDPR","optional":true}],"status":"live","first_seen_at":"2026-10-23T09:33:40Z","employer_posted_date":null,"last_verified_at":"2026-10-23T09:33:40Z","board_verified":false,"closed_at":null,"days_open":8,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":8},"description":"Every year, European governments spend billions on mobility: subsidies, contracts, licences, public transport. Most of that money is spent with no clear idea of what it buys for society.\nWe're building the tech layer that changes that.\n\nWhat we do\nImpact Market builds MIMA, the Mobility Impact Market. On our platform, cities and transport authorities incentivise mobility operators (bike share, e-scooters, car-pooling, car sharing, bike leasing) for trips according to their benefit to society: a car trip replaced, emissions avoided, space and congestion saved, health improved, a neighbourhood connected. By estimating the socio-economic impact of each trip, we design smart incentives that get the most social value out of public funds.\nThe idea is much bigger than mobility: governments paying for the outcomes they want, with the evidence to back it up. Mobility is our first market, and we intend to move into other areas of public spending.\n\nWhere we are\nFunded with 12+ months runway\n\nSeveral paying public-sector clients\n\nA production platform (prod + staging), with live trip and rider-survey data from operators flowing in since August 2026\n\nA team of 3. You'd be number 4.\n\nThe role\nYou'll be our first technical hire and will lead product and engineering. For now that means hands fully dirty: you write the code. No agencies, no outsourcing.\nOwn the platform. Rust, Postgres, cloud, our RiderSurvey API, and the data pipelines from operators. You'll inherit a working MVP and decide what to keep, what to rebuild and what to build next.\n\nMake the big calls, including the language. We chose Rust deliberately: we think a strict compiler and type system are the right guardrails for building fast with AI. If you have a better argument for something else, convince us.\n\nBe AI-native. We expect you to use AI seriously in coding and every other technical task. That's how a team of four does the work of fifteen.\n\nBuild agents that run the company with us, for account management, client reporting and forecasting.\n\nGrow into the science. Together with a future R&D lead, you'll work on the statistical significance of measured impacts and on forecasting how markets respond to incentives.\n\nShape the product with the founders and our clients. You'll be in the room with transport authorities, not behind a ticket queue.\n\nYou\nHave minimum 4 years of relevant experience shipping production software, ideally backend or data-heavy systems\n\nSenior and still love writing code every day? Even better.\n\nKnow Rust, or are genuinely motivated to go deep in it (not just \"willing\"). (We are not dogmatic about Rust, but we have a working platform built with care, so changing direction would take strong conviction.)\n\nAlready build with AI tools daily and have opinions about how to do it well\n\nAre comfortable with data: SQL, pipelines, and an appetite for statistics and forecasting\n\nTake ownership when things are ambiguous, and like it when nobody tells you how\n\nCare about the mission. You don't need to have read our founder's book, The Next Democracy, but its core ideas about how citizens and governments could work together - is fundamental to what we do. If they don’t excite you, this probably isn’t the right fit.\n\nBonus points for experience in mobility or transport, govtech, causal inference or experimentation, or privacy-by-design and GDPR.\n\nWhat we offer\nA real say in everything. Stack, product, architecture, culture and who we hire next.\n\nTitle decided together. We're advertising this as CTO / Founding Engineer and will settle the title with you based on your experience and ambitions.\n\nCompetitive startup salary plus a meaningful warrant package, designed to make total compensation comparable with bigger-company offers\n\n5 weeks of holiday and flexible hours\n\nWork that matters. Help redirect public money towards what actually improves people's lives.\n\nLocation\nCopenhagen is our home, and we'd love you here; relocation is very welcome. If you stay elsewhere, you must be based in the EU and work in EU time zones. You'd spend your first 1–2 months with us in Copenhagen, then 2–4 days here every month after that.\n\nProcess\nQuick online intro call with Erdem (CEO)\n\nIn-person meeting\n\nA challenge based on a real problem from our platform\n\nSecond meeting with the team\n\nOffer","description_format":"text","description_chars":4311,"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":[]},"benefits":[],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"region"},{"name":"France","iso":"FR","kind":"region"},{"name":"Austria","iso":"AT","kind":"region"},{"name":"Belgium","iso":"BE","kind":"region"},{"name":"Bulgaria","iso":"BG","kind":"region"},{"name":"Croatia","iso":"HR","kind":"region"},{"name":"Cyprus","iso":"CY","kind":"region"},{"name":"Czech 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