Design, build, and maintain integrations with third-party platforms and APIs (e.g., construction ERPs, Microsoft and Google ecosystems, email and calendar providers, enterprise identity systems)Implement OAuth 2.0 / OpenID Connect flows, secure token management, webhooks, and bidirectional data syncDesign queue-driven systems handling retries, rate limits, partial failures, backpressure, and eventual consistencyBuild scalable backend services (e.g., Node.js, TypeScript)Build comprehensive unit, integration, and end-to-end testsBuild and review production PRs, identifying architectural, security, performance, and maintainability issues in both human and AI-generated codeApply modern AI engineering practices (e.g., specs, coding agents, AI editors, structured implementation, and review workflows) to increase development velocityOwn complex and ambiguous engineering problems from requirements through productionWork directly with customers, product managers, engineers, and external partners to translate requirements into technical solutionsDesign, build, and maintain integrations with third-party platforms and APIs (e.g., construction ERPs, Microsoft and Google ecosystems, email and calendar providers, enterprise identity systems)Implement OAuth 2.0 / OpenID Connect flows, secure token management, webhooks, and bidirectional data syncDesign queue-driven systems handling retries, rate limits, partial failures, backpressure, and eventual consistencyBuild scalable backend services (e.g., Node.js, TypeScript)Build comprehensive unit, integration, and end-to-end testsBuild and review production PRs, identifying architectural, security, performance, and maintainability issues in both human and AI-generated codeApply modern AI engineering practices (e.g., specs, coding agents, AI editors, structured implementation, and review workflows) to increase development velocityOwn complex and ambiguous engineering problems from requirements through productionWork directly with customers,



product managers, engineers, and external partners to translate requirements into technical solutionsRequisitosMust-haves6+ years of back-end development experienceExperience with Node.jsExperience with AI-assisted engineering workflows (e.g. spec-driven development, agentic development, Cursor, Claude Code, Codex, Windsurf)Experience reviewing and validating AI-generated code against strong engineering standardsDeep understanding of context engineering and task decomposition for coding agentsExperience with JavaScript/TypeScriptExperience with back-end frameworks (e.g. Express.js, NestJS)Experience building and maintaining third-party API integrationsExperience with OAuth 2.0 / OpenID Connect, REST APIs, webhooks and token lifecycle managementExperience with event-driven systems and message queues (e.g. AWS SQS), including retries, dead-letter queues and backpressureExperience with relational databases and ORMs (e.g. PostgreSQL, TypeORM)Experience with cloud platforms and containers (e.g. AWS, Docker)Ability to architect resilient distributed systems that depend on unreliable third-party APIsAbility to explain where AI agents succeed, where they fail, and how their output is kept production-readyProficiency with testing, debugging, code review and PR developmentDeep knowledge of OOP, SOLID and software design principlesStrong communication skills in both spoken and written English, with confidence in direct customer conversationsStrong emphasis on hands‐on AI‐assisted engineering candidates should have real experience with AI coding agents (e.g. Cursor, Codex, Windsurf) plus reviewing and validating AI-generated code, context engineering, and task decomposition, on top of solid Node.js/TypeScript back‐end and third‐party API integration work (OAuth, webhooks, queues).
BeneficiosSalary in USDWork ModelLong-term40h/weekOnly Remote in Argentina, Brazil, Colombia, Mexico, Paraguay, Chile, Peru, Costa Rica, UruguayTo join the team of a SaaS company from USA.
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📌 Sr Back End Engineer (Node.Js/Rest/Ai) (Latam Remote)
🏢 Zeo Consulting
📍 Neuquén