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Project BriefWe're building a custom middleware layer that connects a voice AI platform to a client's core business systems — including real estate transaction data, staff directories, and Microsoft Teams notifications.This is a greenfield backend project with a clear scope, a tight‐knit internal team, and real production stakes.You'll be the engineer who makes the voice agent smart by building the APIs, data pipelines, and admin tooling that power it behind the scenes.Must‐HavesStrong Node.Js / TypeScript backend development — production‐grade, not just prototypesREST API design — security (token‐based auth, IP whitelisting), documentation, and edge‐case handlingPostgreSQL — schema design, queries, and full‐text search (pg_trgm or similar)Experience integrating third‐party APIs in production — OAuth flows, webhook handling, and failure recoveryAWS experience — ECS/Fargate, RDS, S3, and basic networking (or equivalent cloud platform)Professional English proficiency — clear written communication in Slack and pull requestsComfortable working independently, raising blockers proactively, and communicating progress in standupsNice to HaveGraphQL experience (for Qualia API integration)Microsoft Graph API (for Teams notifications)Job scheduling and background processing — cron, task queues, or equivalentExperience with Retool or similar low‐code admin toolingFamiliarity with real estate or transaction‐based data systemsWhat You Will DoBuild and maintain REST API endpoints called by the voice AI agent — customer file lookups, caller identity validation, and escalation triggersIntegrate with the Qualia GraphQL API to pull real estate transaction data and build a caching layer for fast property lookupsConnect with Microsoft Teams via the Graph API to notify staff when a caller requires a callbackDesign and maintain the PostgreSQL database — staff directory, routing configuration, call analytics,



and cached dataSet up job scheduling for Qualia data syncing and automated callback workflowsBuild the admin dashboard in Retool so the client's team can manage configuration and review call logs without engineering supportCollaborate closely with the AI/Voice engineer and technical lead — communication with the client flows through the PM and tech leadWhy This Could Be Your Next Big MoveOwn the backend from day one — This is greenfield work.You'll design the schema, define the API contracts, and set the standards for how the system is built.Work at the intersection of AI and backend engineering — Your APIs are what make the voice agent intelligent.The work you build directly shapes what the AI can and can't do.Clear scope, real impact — This isn't a vague backlog.You know what you're building, who uses it, and why it matters — from day one.Stable, long‐term engagement — A focused project with a strong internal team, clear ownership, and a direct path to long‐term placement.Benefits & Compensation$5,000/month — paid in USD, bi‐weekly via DeelFully Remote — work from anywhere in Latin AmericaLong‐term contract — starting with a 6‐month contract, then full‐timePaid PTO — competitive packageReferral Program — earn a bonus for referring talent that gets hiredTo ApplyPlease send your resume in English.Include The FollowingLinkedIn Profile URL (required)GitHub Repository (required)Cover Letter — tell us why you're excited about this specific role (optional but encouraged)About OneSeven TechOneSeven Tech is an AI‐enabled software agency headquartered in Miami, with 8 years building AI‐driven digital products for scaling and established companies.We specialize in consulting, designing, and developing ROI‐focused solutions across 22 industries — from healthcare and legal to real estate and fintech.Our multidisciplinary team blends AI strategy, UX/UI, web and mobile engineering, and machine learning to deliver real outcomes.With 101+ successful projects completed and a 4.9/5 client rating, we work as a deeply embedded partner — not just a vendor.We operate as a remote‐first organization with a integral team and a US‐based client portfolio.#J-*****-Ljbffr

Postúlate en Kit Empleo: kitempleo.com.ar/empleo/qajr0

📌 Backend Engineer, Node.Js/Ts — Ai Voice & Real Estate Data (Godoy Cruz)
🏢 OneSeven Tech (OST)
📍 Godoy Cruz