Full-Stack Engineer – Backend

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Zipdev

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

🎯 Recruiter

🤝 B2B

👥 HR Tech

Recruitment • B2B • HR Tech

Zipdev is a company that specializes in providing remote talent solutions, particularly focused on hiring top Latin American professionals. Zipdev enables companies to build high-performing teams in their own time zones while reducing costs compared to local hiring. The company offers a streamlined hiring process that includes defining hiring needs, selecting top candidates, and onboarding new team members, handling payroll and HR overhead. Zipdev fills a variety of technical and professional roles, such as software engineers, project managers, and designers. The company is recognized for its ability to provide cultural alignment and scalable, flexible hiring solutions.

📋 Description

• Design, build, and maintain a Rails API (API-only mode) that serves dental scheduling data to a React frontend • Model and evolve PostgreSQL schemas using ActiveRecord migrations, targeting Azure PostgreSQL Hyperscale (Citus) in production with an emphasis on clarity, performance, and data integrity • Become the team’s subject matter expert on data mapping across different dental practice management systems and the Cosmos DB data layer • Query and consume data from Azure Cosmos DB, understanding its document model and how DPMS data is structured within it • Design and maintain application schemas on Azure PostgreSQL Hyperscale (Citus), leveraging distributed tables and colocation for performance at scale • Integrate with external healthcare systems and services via HTTP — including dental exchange APIs, payment processors, and Azure AI services — to power features such as AI-assisted dictation and intelligent workflows • Implement and maintain Azure AD B2C JWT authentication middleware, including JWKS retrieval, signature verification, claim extraction, and current_user injection • Build and operate background jobs using Sidekiq and Redis for asynchronous and long-running tasks • Write and maintain comprehensive RSpec test suites using FactoryBot, WebMock, and VCR to safely test external HTTP integrations • Run and remediate findings from Brakeman and bundler-audit as part of normal development workflows • Contribute to React frontend components and pages as needed • Collaborate closely with frontend-focused engineers and product stakeholders throughout feature development • Participate in AI-augmented development workflows, reviewing and validating AI-generated code against acceptance criteria • Follow Git best practices: feature branches, pull requests for all changes, and conventional commit messages • Proactively update documentation when behavior or architecture changes

🎯 Requirements

• Strong experience with Ruby on Rails in API-only mode, including ActiveRecord, migrations, routing, and middleware • Solid PostgreSQL knowledge, including schema design and query awareness; comfort working with both relational and NoSQL (document) databases • Experience designing REST APIs and integrating with external services via HTTP clients (e.g., Typhoeus, Faraday, or equivalent) • Hands-on experience with background job processing (Sidekiq or equivalent) • Experience implementing JWT-based authentication, including JWKS validation and claim extraction • Proven RSpec testing discipline with FactoryBot and HTTP stubbing using WebMock or VCR • Working knowledge of a modern frontend framework (React, Vue, or similar) — you don’t need to be a CSS wizard, but you should be comfortable building and debugging components • Familiarity with Git-based workflows, pull requests, and conventional commits • Comfortable reading and maintaining Markdown documentation • Hands-on experience using AI coding assistants (e.g., Claude Code, GitHub Copilot, Cursor) as part of daily development • Clear understanding of the Human → AI → Human review loop, with human ownership of all decisions • Strong understanding that Protected Health Information (PHI) must never appear in code, tests, logs, commits, or error messages • Discipline around structured logging with explicit safe-field selection • Use of generic error messages with no patient-identifying context returned to API clients • Comfort working exclusively with synthetic or mock data • Awareness of secure coding practices, including no hardcoded credentials, OWASP Top 10 vigilance, and blocking remediation of Brakeman findings

🏖️ Benefits

• Work remotely Monday - Friday, 40 hours a week (no weekends) • Health Care Reimbursement • Active Lifestyle Reimbursement • Quarterly Home Office Reimbursement • Continuous Learning Bonus • Access to Training and Professional Development Platforms • Did we mention it's REMOTE?!!