Senior Full Stack Developer – Node.js, React

Job not on LinkedIn

🕒 March 25

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 50%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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WTime Business Intelligence

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

📦 Logistics

🤖 Artificial Intelligence

Consulting • Logistics • Artificial Intelligence

WTime Business Intelligence is a Brazilian technology and digital-transformation company that provides AI-driven customer service and operational software for enterprises. It builds and implements chatbots, cognitive IVR (URA), automation, service-desk and custom software solutions, offers outsourcing and application management services, and delivers business intelligence and training to help clients optimize operations and decision-making.

📋 Description

• Design and implement APIs and backend services using Node.js (Express, Fastify, NestJS or equivalent frameworks). • Create and maintain integrations between internal and external systems via REST and/or GraphQL. • Model and optimize data structures, queries, and database access (SQL or NoSQL). • Implement authentication, authorization, security, and governance mechanisms (OAuth2, JWT, RBAC/ABAC). • Develop asynchronous processes, queues, workers, and caching strategies. • Build modular, responsive, and accessible interfaces using React (Hooks). • Create reusable components, UI patterns, and design systems. • Manage state (Redux, Zustand, Context API, React Query, etc.) with a focus on stability and performance. • Implement performance best practices: memoization, code splitting, lazy loading, and Suspense. • Participate in defining application architecture, evaluating technical trade-offs. • Ensure code quality, version control, code reviews, and engineering standards. • Conduct technical POCs/spikes to validate solutions and new technologies. • Collaborate with product, UX, and engineering teams on decisions and the technical roadmap.

🎯 Requirements

• 5+ years of experience with React • Strong experience with Node.js (minimum 3 years or equivalent) • Proven track record working on complex web systems, integrations, security, and performance optimization.

🏖️ Benefits

• N/A