Invoice Template for Supabase Developers
Supabase development billing is complicated by how much it packages together — clients see 'one tool' and don't understand that database design, RLS policies, edge functions, and realtime subscriptions are distinct engineering disciplines. My biggest challenge is scoping Row Level Security policies, which are invisible to users but take expert design and extensive testing to get right.
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What to include on your invoice
Supabase developers bill across database, security, and function categories. PostgreSQL Schema and Table Design covers designing normalised database schemas with proper foreign keys, indexes, enums, and constraints — foundational work that determines application performance and data integrity. Row Level Security Policy Development refers to writing RLS policies in SQL that enforce data access rules at the database level, tested against multiple user role scenarios. Supabase Edge Functions covers writing and deploying Deno-based Edge Functions for server-side logic — webhooks, payment processing, email triggers — that run close to the user globally. Realtime Subscription Setup covers configuring Supabase Realtime for live UI updates using PostgreSQL logical replication, subscribed to specific tables and filters. Storage Bucket Configuration refers to setting up Supabase Storage buckets with RLS policies controlling who can upload, read, and delete files.
How to price your work
Supabase developers often work as part of a broader Next.js or React project. Standalone Supabase backend work: $2,000–$8,000. RLS policy design and testing as a security audit: $500–$2,000. Edge function development: $200–$800 per function. Full Supabase backend with auth, database, storage, and edge functions: $4,000–$15,000. Hourly: $70–$160/hr. Ongoing database maintenance and migrations: $500–$1,500/month.
Getting paid faster
Supabase clients are typically technical founders who care deeply about how the database is structured. The best way to accelerate payment is to deliver an ERD alongside your invoice for database design milestones. It takes 10 minutes to generate in a tool like dbdiagram.io but demonstrates expertise visually. Invoices tied to a diagram get approved faster than those tied to abstract 'database work.'
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