SDK Engineer, JavaScript

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Supabase

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

☁️ SaaS

🔌 API

🤖 Artificial Intelligence

💰 $80M Series B on 2022-05

SaaS • API • Artificial Intelligence

Supabase is an open source alternative to Firebase, providing a range of backend tools designed to help developers start and scale their applications effectively. It offers features such as a full Postgres database, authentication with Row Level Security, instant APIs, Edge Functions for custom code, real-time data synchronization, and storage for large files. Developers can integrate machine learning models, utilize RESTful APIs, and take advantage of platform-integrated best of breed products. Supabase is designed to be highly portable, extendable, and user-friendly, making it a powerful choice for startups and enterprises looking to innovate quickly and efficiently.

📋 Description

• Build and evolve Supabase’s JavaScript and TypeScript SDKs • Identify missing platform capabilities, make the case for them, and build new features • Triage inbound issues and review and shepherd outside contributions in public repositories • Maintain CI and release automation and manage project scope • Ensure generated database types flow correctly through client APIs for accurate autocomplete and inference • Support Node, Deno, Bun, browsers, Cloudflare Workers, and React Native/Expo runtimes • Maintain dual ESM/CJS publishing and correct type resolution across module resolution modes • Develop realtime functionality involving WebSocket connections, reconnection, subscriptions, and presence semantics • Keep SDKs aligned with changes to auth, realtime, storage, PostgREST, and edge runtime services • Write RFCs, migration guides, release notes, changelogs, and documentation • Make SDKs legible to AI coding agents

🎯 Requirements

• Expert-level TypeScript, including generics, conditional types, and mapped types • Authored or maintained a published library with a public API and external consumers • Experience working on open-source projects from the maintainer side • Experience with issue triage, outside pull-request reviews, release automation, changelogs, semantic versioning, and security reports • Fluency with npm packaging, dual ESM/CJS builds, export maps, and type resolution • Testing experience across unit, type-level, and end-to-end tests against a real stack • Strong written communication for design documents, changelogs, and public issue responses • Ability to work autonomously: identify, scope, and ship important work • Ability to communicate clearly across technical and non-technical audiences • Experience in async or globally distributed teams • Comfortable navigating ambiguity and moving quickly • Energized by solving real-world problems for developers

🏖️ Benefits

• Fully remote work • WeWork membership or co-working allowance usable anywhere in the world • ESOP (equity ownership) for every team member • Tech allowance for laptop, monitor, headphones, or other work-environment needs • Health insurance: 100% coverage for employees and 80% for dependents • Annual company off-sites • Flexible, asynchronous work • Annual education allowance for courses, books, conferences, or other learning