{"id":3958049,"url":"https://alion.io/job/talentuch-sr-full-stack-nodereact-developer","title":"Sr Full Stack (Node+React) Developer","company":{"id":693799,"name":"Talentuch","domain":"talentuch.com","url":"https://alion.io/company/talentuch","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-09T09:44:00Z","employer_posted_date":null,"last_verified_at":"2026-11-09T09:44:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Our client is building an AI-native commerce platform that enables brands to create, launch, and continuously optimize personalized shopping experiences across every customer touchpoint. The platform leverages autonomous AI systems, experimentation frameworks, and real-time data to improve customer journeys and drive measurable business outcomes. \n\nYou will play a critical role in defining the technical direction of the platform, making architectural decisions, and building scalable systems from the ground up alongside a highly experienced founding team. \n\nWhat You'll Do \n\nOwn complex features end-to-end across a TypeScript monorepo, spanning backend services, merchant-facing applications, and customer storefronts. \n\nDesign and implement scalable architecture for a rapidly evolving AI-driven product. \n\nLead technical decision-making and establish engineering standards, patterns, and best practices. \n\nBuild merchant tooling that enables brands to configure, launch, and optimize commerce experiences across multiple channels. \n\nDevelop and evolve the experimentation, analytics, and event-driven infrastructure powering continuous optimization. \n\nCollaborate closely with AI systems, designing reliable interfaces, workflows, and guardrails that allow AI agents to safely influence product behavior. \n\nPartner directly with founders on product strategy, technical trade-offs, and long-term platform evolution. \n\nMentor engineers and provide technical leadership across the team.\nWhat We're Looking For \n\n7+ years of software engineering experience, including experience in high-growth product companies or venture-backed startups. \n\nProven experience as a Tech Lead, Staff Engineer, Principal Engineer, or similar role with ownership of solution architecture and technical direction. \n\nDeep expertise with TypeScript, React, Next.js, and Node.js. \n\nStrong system design and architecture skills, including distributed systems, scalability, reliability, and performance optimization. \n\nExperience building products from zero to one and scaling them through multiple growth stages. \n\nStrong product mindset with the ability to translate ambiguous business problems into elegant technical solutions. \n\nComfortable operating in fast-paced environments with significant ownership and autonomy. \n\nExcellent communication skills and experience working closely with founders, product leaders, and cross-functional stakeholders. \n\nNice to Have \n\nExperience building AI-powered products or integrating LLMs into production systems. \n\nExperience with experimentation platforms, analytics infrastructure, or event-driven architectures. \n\nFamiliarity with Shopify or other e-commerce ecosystems. \n\nPrevious startup founding experience or participation in early-stage product 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