{"id":2850795,"url":"https://alion.io/job/whyhirewrong-product-engineer-2","title":"Product Engineer","company":{"id":7360,"name":"WhyHireWrong","domain":"whyhirewrong.com","url":"https://alion.io/company/whyhirewrong","size_band":"201-500","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0.25,"stale_share":0.25,"repost_share":0.25,"time_to_fill_p50_days":30,"computed_at":"2026-10-20T05:45:00Z"}},"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":["Kraków, Poland","Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":95000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":348},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Fastify","optional":false},{"name":"Figma","optional":false},{"name":"LLM","optional":false},{"name":"Magento","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false},{"name":"WooCommerce","optional":false},{"name":"JavaScript","optional":true},{"name":"PHP","optional":true}],"status":"live","first_seen_at":"2026-10-19T12:07:04Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-21T04:45:46Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"A seed-stage B2B SaaS company is building subscription infrastructure for e-commerce businesses, spanning product experiences, payments, and developer-facing tools. They are hiring a Product Engineer to own meaningful parts of the platform: turning product intent into reliable, well-designed software and improving how merchants and developers use the product.\nThis is a hands-on engineering role with real product ownership. The engineer will work across frontend, backend, and interface design decisions; ship customer-facing features; and help shape the platform’s architecture as the product scales.\nWhat they will do\nDesign, build, and ship full-stack product features using TypeScript, Node.js, and a modern frontend framework such as Vue, Nuxt, or React.\n\nOwn features end to end: clarify requirements, propose technical approaches, implement them, test them, release them, and measure their impact.\n\nBuild merchant-facing subscription, billing, checkout, and e-commerce workflows that are clear, reliable, and easy to use.\n\nImprove developer-facing product surfaces, including APIs, documentation, integrations, onboarding, and error states.\n\nTranslate product and design intent into accessible, visually consistent interfaces, working directly with Figma designs and contributing practical UI/UX improvements.\n\nMake architectural decisions that keep the platform maintainable, observable, and scalable without over-engineering early-stage systems.\n\nImprove engineering quality through code reviews, automated tests, monitoring, and pragmatic technical documentation.\n\nWork closely with product, design, and founder-level stakeholders in a small, fast-moving team.\n\nUse AI-assisted development tools where they measurably improve delivery speed, code quality, or debugging effectiveness.\n\nMeasurable requirements\nCandidates must be able to demonstrate all of the following:\nAt least 5 years of professional software engineering experience in product, SaaS, or internal-product teams.\n\nCurrent or previous hands-on experience as a Software Engineer, Full-Stack Engineer, Frontend Engineer, Product Engineer, Design Engineer, Founding Engineer, or Tech Lead.\n\nProduction experience with TypeScript or Node.js, including shipping features used by real users or customers.\n\nProduction experience with at least one modern frontend framework: Vue, Nuxt, or React.\n\nExperience working in a SaaS or product company, not exclusively in an IT outsourcing, agency, or consulting environment.\n\nExperience designing or implementing at least one customer-facing product feature from requirements through production release.\n\nExperience working with Figma or equivalent design tools and translating designs into production frontend code.\n\nFluency in Polish and residence in Poland.\n\nAbility to work independently in an early-stage environment, make scoped technical decisions, and deliver without requiring detailed specifications for every task.\n\nStrongly relevant experience\nThe following experience is directly relevant to the platform and will be assessed during screening:\nE-commerce engineering: Shopify, WooCommerce, Magento, headless commerce, checkout, catalogs, orders, or storefronts.\n\nSubscriptions or payments: recurring billing, payment providers, invoicing, plan management, proration, dunning, or financial data integrity.\n\nDeveloper experience: public APIs, SDKs, 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