Junior Full Stack Web Developer at TRACTIAN

São Paulo, SP

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Tractian is revolutionizing industrial asset management with advanced B2B SaaS solutions. The Junior Full Stack Web Developer will work on front‑end and back‑end layers supporting the web and growth stack, ensuring secure form handling, lead enrichment, feature toggles, observability, performance, and reliability. The role involves API maintenance, pipeline improvement, compliance, experimentation, CI/CD, testing, code reviews, documentation, and collaboration with Front‑end, RevOps, and Growth teams.

Requirements

Experience

  • 1–3 years of experience in full-stack development (Node.js/TypeScript/React/SQL) with web-focused services.

Skills

  • Node.js
  • TypeScript
  • React
  • SQL
  • API design
  • authentication/authorization
  • rate limiting
  • secure data handling
  • CRM/MA integration
  • SaaS API/webhooks integration
  • retries/idempotency
  • relational databases
  • NoSQL databases
  • data modeling
  • caching
  • logging/monitoring
  • OpenTelemetry
  • debugging
  • documentation
  • collaborative mindset
  • business requirement translation

Languages

  • Portuguese

Responsibilities

  • Help maintain REST/GraphQL APIs for website/LP features: secure form submission, file uploads, gated content, event endpoints.
  • Learn and implement new tools to improve lead processing pipelines: validation, deduplication, enrichment.
  • Ensure data quality and compliance (consent, opt‑in, audit logs), keep track of error logs for immediate action.
  • Support experimentation and personalization‑friendly architectures (feature flags, configuration services, edge‑friendly APIs) with performance in mind.
  • Optimize performance and cost: caching strategies (edge/CDN, Redis), efficient queries, and scalable patterns.
  • Maintain CI/CD pipelines, testing (unit/integration), code reviews, documentation, and runbooks.
  • Collaborate with Front‑end and Growth to translate campaign requirements into reliable services with clear SLAs.

Technologies

Node.jsTypeScriptReactSQLRESTGraphQLCRM/MAWebhooksNoSQLrelational databasesCachingRedisCI/CDUnit testingIntegration testingCode reviewsDocumentationRunbooksFeature flagsConfiguration servicesEdge-friendly APIsOpenTelemetryPython

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