Senior Backend Engineer — Python or Node.js, AWS

Location: Remote — Argentina, Chile, Colombia, Brazil, Uruguay, Peru, Mexico Salary: 5000 - 5500 USD per month Job Type: Full-time contract Date Posted: September 11, 2026 Project Brief We're building a HIPAA-compliant platform on AWS for a healthcare client, including a real-time eligibility check engine that integrates with a clearinghouse via EDI (270/271), an encrypted coverage data store, and alerting.

You'll build directly against a design set by our Solutions Architect, on a small senior team moving fast over roughly 10 weeks. This is heads-down, high-ownership backend work on a real production system handling healthcare data. Must-Haves Senior backend engineering experience (5+ years) Strong in Python or Node.js/TypeScript PostgreSQL and REST API design Solid working AWS experience: Fargate/ECS, SQS, Secrets Manager, CloudWatch Able to execute infrastructure-as-code designed by an architect Strong experience integrating third-party APIs and handling messy external data Nice to Have Healthcare EDI (ANSI 270/271) or clearinghouse integration experience Event-driven / queue-based pipeline experience HIPAA / PHI handling experience Terraform or AWS CDK What You Will Do Build the backend and integrations to the architect's design, including the HIPAA-AWS foundation (infrastructure-as-code) Implement the clearinghouse eligibility integration: build the EDI 270 request, call the REST API, parse the 271 response Build the check engine: scheduler/SQS-driven daily eligibility sweeps, pending-enrollment polling, and countdown logic Build and maintain the encrypted coverage data store and alerting Own integration-path testing end-to-end Work heads-down with daily standups, delivering to the contract that the front-end/automation engineer consumes Why This Could Be Your Next Big Move Real ownership of critical systems — you'll own the integration layer and check engine end-to-end, not just a slice of it High-priority, fast-moving build — a small senior team shipping a production healthcare platform in weeks, not quarters Work with a strong technical architect — the design and infra decisions are set, so you can focus on building well against a clear plan Healthcare-grade, high-stakes engineering — meaningful experience with HIPAA-compliant systems and EDI integrations that's rare to get hands-on with Benefits & Compensation 💵 5000 - 5500 USD per month — paid in USD, bi-weekly via Deel 🌎 Fully Remote — work from anywhere in Latin America 📄 Long-term contract — starting with a 6-month contract, then full-time 🏖 Paid PTO 🤝 Referral Program — earn a bonus for referring talent that gets hired To Apply Please send your resume in English.

Include the following: 🔗 LinkedIn Profile URL (always required) 💻 GitHub Repository (required) 📜 Certifications — if applicable (e.g. AWS) ✉️ Cover Letter — tell us why you're excited about this specific role (optional but encouraged) About OneSeven Tech OneSeven Tech is an AI-enabled software agency headquartered in Miami, with 9 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 global team and a US-based client portfolio.