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Project Based - Node.js | Sr. Back-End Engineer

The Flock
Posted May 28, 2026, 1:59 AM UTC
Latin AmericaRemoteEngineering & Development
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Job brief Hi there! We are looking for one or more Developers with experience in Node to work inside a team to create new API integration for a new Payment Gateway to be implemented into our client's product. Our client is a positioned Start-Up of Latin America, backed by different great VCs globally. Engagement: 40 hours per week for about 6 to 8 weeks. Reporting time-zone: GMT -3  About Us We are a remote digital community of validated talent that works together to build digital products, helping organizations get the technical talent they need when they need it. Responsibilities Experience working with Microservices Knowledge of Clean Architecture Knowledge of TDD Develop new APIs, capabilities and re-architect parts of an existing system. Join and take part in test-driven, iterative development, prototyping, and reviews with a team of developers. Implement scalable and robust services. Develop and run unit and performance tests to ensure scalability and reliability. Review and debug code. Develops documentation, flowcharts, layouts, diagrams, charts, code comments, and clean code to explain and show solutions. Determines and designs system specifications, standards, and programming to prepare and install solutions. Requirements + 5 years of experience working with Node.js Experience working with Microservices Knowledge of Clean Architecture Knowledge of TDD Experience working with Integrations for Payment Gateways is a Plus Able to effectively and quickly adopt new technology Good communication skills Join the Future of Work 🚀 

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