{"id":728063,"url":"https://alion.io/job/gradion-senior-fullstack-developer-reactjs-vuejs-nodejs","title":"Senior Fullstack Developer (NodeJS, TypeScript)","company":{"id":673568,"name":"Gradion","domain":"gradion.com","url":"https://alion.io/company/gradion","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":95,"open_postings":10,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":76,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ho Chi Minh City, Vietnam","Hanoi, Vietnam","Da Nang, Vietnam","Can Tho, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Cloudflare","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Stripe","optional":false},{"name":"TypeScript","optional":false},{"name":"Vercel","optional":false}],"status":"live","first_seen_at":"2026-08-31T10:01:04Z","employer_posted_date":"2026-08-31","last_verified_at":"2026-10-28T13:16:49Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":57},"description":"In this role, you will\nLead the design and development of a multi-market storefront in Next.js and TypeScript, covering catalog, product pages, cart and checkout flows.\n\nChoose and justify the right rendering strategy per surface (static, incremental, server-rendered, client-side) based on traffic patterns and freshness needs.\n\nDesign the caching layer end to end, from CDN and edge through to browser, including invalidation when product, price or inventory data changes.\n\nOwn the performance budget and optimise across regions, from bundle size and hydration cost through to time to first byte.\n\nBuild and maintain the orchestration layer between the storefront and commerce services using Node.js with REST or GraphQL.\n\nHandle multi-currency and multilingual storefront experiences so each market gets the right catalog, language and pricing.\n\nImplement and iterate on payment and checkout flows, working with gateways such as Stripe, PayPal, Klarna, Apple Pay and Google Pay.\n\nSupport A/B testing and analytics tracking so product decisions are backed by data.\n\nGuarantee test coverage with unit, integration and end-to-end testing, and keep CI/CD pipelines healthy.\n\nSupport observability and operational excellence with proper logging, monitoring and rollback procedures, leveraging AWS where applicable.\n\nGuide and mentor mid-level engineers, and share context with both the Gradion team and the client's engineers.\n\nExperiment with AI developer tools (Cursor, Claude, Copilot).\n\nWhat you will bring\n5+ years of engineering experience on production web applications at scale.\n\nStrong command of TypeScript, React and Next.js, plus deep JavaScript and browser fundamentals.\n\nBackend experience with Node.js and REST or GraphQL APIs, including designing the orchestration layer between storefront and commerce services.\n\nSolid understanding of rendering and caching strategies, and the ability to reason about the trade-offs between them.\n\nHands-on experience deploying to a CDN or edge platform such as Cloudflare, Vercel or CloudFront.\n\nWorking exposure to AWS (Lambda, S3 or similar services), enough to reason about how your application is deployed and run.\n\nExperience with automated testing and CI/CD pipelines.\n\nGood spoken and written English. 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