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Full Stack Developer: Custom ERP BuildFreelanceJobsCanada

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Full Stack Developer: Custom ERP Build

FreelanceJobs
  • CA
    Canada
  • CA
    Canada

À propos

Markstone Group is a landscape construction company transitioning from siloed SaaS tools to a proprietary "Landscape OS". We are seeking a self-driven Full Stack Developer to build this internal platform from scratch using Retool for the frontend, PostgreSQL for the database, and for the integration engine.
Key Deliverables (3 Milestones)
This is an estimated 14-week project structured into three distinct milestones:
Milestone 1 (Sales & Legal): Build a custom CRM and Lead Manager with an automated DocuSign API integration for one-click contract generation.
Milestone 2 (Ops & Fleet): Develop a custom drag-and-drop Dispatch Board integrated with the Fleetio API and a custom time-tracking interface for field crews.
Milestone 3 (Financials): Create a procurement and material logging module with automated QuickBooks Online (QBO) invoicing and real-time job costing dashboards.
Technical Requirements
- Retool Expert: Proficiency in building high-performance dashboards with custom JavaScript.
- Database Architect: Mastery of PostgreSQL for designing clean, scalable relational schemas.
- Integration Pro: Deep experience with REST APIs and (formerly Integromat).
- API Experience: Prior experience with QuickBooks Online, Fleetio, or DocuSign APIs is a massive plus.
Rules of Engagement
- Milestone-Based Payments: We pay strictly upon the delivery of functional, tested modules.
- Project Governance: We expect weekly video demos (Loom) showing progress and logic.
- Full Ownership: All work must be completed within our company's Retool and accounts.
Application Instructions
To be considered for this role, please include the following in your proposal:
- Start your application with the word "ORCHESTRATOR" to confirm you have read the full scope.
- Provide a brief overview of the most complex Retool app you have built.
- Describe a time you handled a difficult API integration, specifically mentioning any experience with financial or GPS tools.
- Confirm you are comfortable with a milestone-based contract where timelines are strictly enforced.
Contract duration of 3 to 6 months.
Mandatory skills: Retool, , RESTful APIs, OAuth 2.0, Webhooks, QuickBooks Online API, Fleetio, DocuSign, PostgreSQL
  • Canada

Compétences linguistiques

  • English
Avis aux utilisateurs

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