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Shinesty logo
Shinesty

We created Shinesty for one reason and one reason only: To force the world to not take itself too seriously.

Senior Full Stack Developer

Full-stack EngineerSoftware EngineerContractRemoteSeniorTeam 11-50H1B No SponsorCompany SiteLinkedIn

Location

Argentina

Posted

99 days ago

Salary

0

Seniority

Senior

Job Description

Senior Full Stack Developer

Shinesty

• Keep the current headless site stable and improving (next ~3–4 months) - Own day-to-day stability: triage issues, fix bugs, ship improvements, and keep releases moving - Improve performance and reliability across funnel pages (Collection → PDP → Cart → Checkout) - Support business-critical updates (launches, promos, pricing changes) without breaking conversion - Execute a mix of quick wins and targeted refactors to reduce fragility and regressions - Maintain analytics and tracking integrity so marketing, attribution, and testing don’t get corrupted - Operate with a clear constraint: we’re not looking for a big rewrite right now—we’re migrating, so we need pragmatic improvements that keep the business running • Provide technical input during the agency rebuild (collaborative, not meeting-heavy) - Instead, you’ll provide focused technical partnership to keep the rebuild accurate, maintainable, and launch-ready: - Provide technical guidance early (constraints, feasibility, integration requirements, edge cases) - Review key deliverables that benefit from engineering eyes (technical specs, implementation approach, critical PRs) - Join the working sessions where engineering input is genuinely needed (not every status meeting) - Answer agency questions quickly and clearly so they don’t guess—or build the wrong thing • Post-migration: Shopify theme execution + experimentation - Work within Shopify theme constraints intelligently (speed, maintainability, extensibility) - Build and iterate on features that support an ever-evolving ecommerce business - Enable experimentation: implement tests, iterate quickly, and ship improvements that move conversion and AOV - Maintain and extend apps/integrations cleanly (no duct-taping the stack) - Build lightweight documentation and internal runbooks so we can own what we ship • Frontend Development - Build and maintain React/Next.js experiences across the ecommerce funnel - Improve UX in ways that directly impact conversion, AOV, and subscription attach - Ensure performance and accessibility standards are met (Core Web Vitals matter) • Backend / Platform Development - Build and maintain APIs, serverless functions, and integration logic (TypeScript-heavy) - Debug issues across services: Shopify, internal tools, and third-party partners - Improve observability: logging, monitoring, error reporting, and alerting where needed • API Integration & Ecommerce Tooling - Integrate Shinesty systems with third-party tools (subscription, search, analytics, marketing partners) - Ensure reliable data flow and maintainable implementation patterns • Performance + Conversion Rate Optimization - Identify and resolve bottlenecks across frontend and backend systems - Implement smart, well-scoped A/B tests and iterate based on results - Partner with the Digital Product Manager to translate hypotheses into shippable changes**

Job Requirements

  • 5+ years professional JavaScript experience (TypeScript strongly preferred)
  • 3+ years React and/or Next.js experience
  • Strong experience building/consuming REST APIs (GraphQL a plus)
  • Ecommerce experience (Shopify strongly preferred)
  • Strong debugging skills across frontend + backend
  • Excellent written and spoken English communication
  • Comfortable working in ambiguity and moving fast without perfect specs**
  • Nice to Have
  • Shopify theme development experience (Liquid, theme architecture, Shopify best practices)
  • Serverless experience (AWS Lambda or equivalent)
  • Analytics and tracking implementation experience (GA4/GTM, Meta Pixel, TikTok Pixel, event taxonomy discipline)
  • Experience partnering with agencies (PR review, launch readiness, acceptance criteria)
  • Experience with AI coding tools (Claude Code, Cursor, Windsurf) used responsibly

Benefits

  • Competitive USD pay (based on experience)
  • Flexible PTO (no accrual required)
  • Flexible hours focused on results
  • All necessary tools and resources provided**

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