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Full Stack Engineer (React/Node.js)

Job Overview

Location

Brazil (Remote)

Job Type

Full-time

Category

Full-Stack Engineer

Date Posted

March 18, 2026

Full Job Description

đź“‹ Description

  • • As the sole Full Stack Engineer at Pyyne Inc., you will be responsible for transforming an AI-powered growth intelligence platform from a prototype into a production-grade, scalable SaaS product serving DTC brands. This role is critical because the platform currently aggregates marketing data from Meta, Google Ads, Shopify, TikTok, and Klaviyo, leveraging Claude AI for insights, but lacks the security, compliance, and infrastructure rigor needed for market readiness—your work will directly enable the client to launch a trustworthy, compliant, and performant product.
  • • You will own the entire technical execution, from security hardening and compliance fixes to infrastructure setup and feature completion, working closely with non-technical stakeholders to translate business needs into robust technical solutions. Your day-to-day will involve diagnosing and resolving critical vulnerabilities, stabilizing third-party integrations, implementing proper data handling practices, and establishing engineering best practices in a greenfield-to-production transition.
  • • Pyyne Inc. is a modern technology consultancy specializing in advanced software engineering, cloud, and data & AI solutions, dedicated to helping clients unlock business potential through sustainable digital innovation. You’ll join a team that values technical excellence, ownership, and pragmatic problem-solving in fast-moving, impact-driven environments.
  • • In this role, you will deepen your expertise in full-stack development with TypeScript, Next.js, PostgreSQL, and Prisma, while gaining hands-on experience in productionizing AI-integrated systems, managing multi-tenant SaaS architectures, and leading end-to-end product engineering—skills that are highly transferable to senior technical leadership or specialist roles in high-growth tech environments.

🎯 Requirements

  • • 5+ years of full-stack engineering experience with proven ability to deliver complex web applications
  • • Strong proficiency in TypeScript and Next.js (App Router) for building scalable frontend and backend systems
  • • Hands-on experience with PostgreSQL and Prisma ORM for data modeling, querying, and schema management
  • • Demonstrated experience inheriting, auditing, and refactoring legacy or prototype codebases to improve quality, security, and maintainability
  • • Proven experience integrating LLM APIs (e.g., Claude) in production, including managing cost, rate limiting, and prompt engineering
  • • Familiarity with multi-tenant SaaS architecture patterns, including data isolation, tenant-aware routing, and scalable resource management

🏖️ Benefits

  • • Fully remote work environment based in Brazil, offering flexibility and autonomy in how and where you work
  • • Opportunity to own and shape a product from prototype to market-ready state, significantly impacting your technical leadership trajectory
  • • Career development opportunities within a fast-growing technology consultancy focused on cutting-edge software, cloud, and AI solutions

Skills & Technologies

JavaScript
TypeScript
React
Next.js
Node.js
Frontend
Remote

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Pyyne Inc. logo
Pyyne Inc.
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About Pyyne Inc.

Pyyne is a supply chain management software company that offers a comprehensive platform designed to streamline and optimize procurement and supply chain operations. Their solution integrates various aspects of the supply chain, including sourcing, purchasing, inventory management, and logistics, providing businesses with real-time visibility and control. Pyyne aims to help companies reduce costs, improve efficiency, and enhance collaboration across their supply chain networks. The platform is targeted at businesses looking to modernize their operations and gain a competitive edge through intelligent supply chain management. They operate within the enterprise software and supply chain technology sectors.

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