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Senior Full-Stack Engineer - Supabase (Part-Time)

7 hours, 48 minutes ago
Mexico, Argentina, Brazil, Chile, Uruguay, Peru
Contract
Senior
Full-stack Engineer
Software Development
Node.js PostgreSQL React SendGrid Supabase Tailwind CSS Twilio TypeScript
Apply Now
Workana

Workana

Workana: Leading Latam's freelance marketplace, connecting top talent with innovative projects for remote and freelance work.

Internet Software & Services
1K-5K
Founded 2012
$3M raised
View All Jobs 36

Description

  • Design and build backend infrastructure using Supabase components such as PostgreSQL, Auth, RLS, Storage, Realtime, and Edge Functions.
  • Create database schemas with appropriate relationships, indexes, constraints, and migration plans.
  • Write secure Row Level Security policies for user-facing tables.
  • Set up authentication flows, permissions, sessions, and access logic.
  • Build TypeScript/Deno Edge Functions for business logic, webhooks, scheduled jobs, and API integrations.
  • Integrate third-party services such as Stripe, Twilio, OpenAI, SendGrid/Resend, Zapier/Make, and client-specific APIs.
  • Connect React and Tailwind frontends to backend systems and bridge the handoff between UI and infrastructure.
  • Review existing backend implementations and recommend improvements without overcomplicating the product.
  • Turn prototypes into stable, scalable, production-ready applications.

Requirements

  • 3–6+ years of experience building production full-stack or backend-heavy web applications.
  • Deep hands-on experience with Supabase, including shipped apps using RLS, Edge Functions, and Auth.
  • Strong PostgreSQL fundamentals, including schema design, indexes, query optimization, constraints, and reading EXPLAIN plans.
  • TypeScript, Node, or Deno competence for backend logic and Edge Functions.
  • Strong security instincts, including RLS, input validation, permissions, and secrets management.
  • Clear written and spoken English for async handoff, documentation, and weekly Google Meet syncs.
  • Self-directed working style with the ability to work from a spec doc and prototype independently and surface questions in batches.
  • Strong communication skills, including the ability to explain tradeoffs and push back constructively.
  • A portfolio, case study, clickable prototype, or live/repo link that demonstrates your thinking and build quality.
  • Experience with third-party API integrations such as Stripe, Twilio, OpenAI, SendGrid/Resend, Make/Zapier, or client-specific tools (nice to have).
  • Comfort with React and Tailwind for wiring frontends to the backend (nice to have).
  • Experience with service-industry tools such as CRMs, scheduling systems, operations dashboards, intake forms, or field-service workflows (nice to have).
  • A point of view on workflow and process design, including state flows, approval chains, dashboards, or operational logic (nice to have).

Benefits

  • Long-term, ongoing contractor relationship rather than a one-off project.
  • Remote work with LATAM timezone overlap preferred.
  • Flexible part-time setup starting around a 10-hour weekly retainer, with potential to grow over time.
  • High ownership and influence over technical direction.
  • Collaborative, low-bureaucracy environment.

Interested in this position?

Apply directly on the company website

Apply Now

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