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Senior Full-Stack Developer (Platform Audit & Multi-Tenant Hardening) - PT - Worldwide

Arc Full-time
United States
1 day ago
Apply on arc.dev
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Role details

Contract type
Temporary contract
Employment type
Part-time (≤ 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours
Job source
arc.dev

Tech stack

Code Coverage Information Leak Prevention PostgreSQL Node.Js Next.js ReactJS

Job description

  • Verify multi-tenant isolation is correctly enforced - no cross-tenant data leakage across planners/weddings, guest links, RLS policies, and any Supabase-level access control
  • Identify and prioritize gaps: correctness bugs, race conditions, auth/session issues, RLS misconfigurations
  • Testing: assess current test coverage, add/strengthen tests where it matters most given the hour budget
  • Deliver a clear, prioritized findings report (not just a fix-everything pass) - client needs guidance, not just a diff

Requirements

  • Senior full-stack engineer, comfortable owning an audit independently with minimal hand-holding
  • Strong hands-on experience with Supabase/PostgreSQL, specifically Row Level Security and multi-tenant data isolation - this is not a “read the docs as you go” engagement
  • Production experience with React + Node.js on Vercel
  • Can communicate findings clearly to founder - plain-language risk summaries, not just ticket dumps
  • Efficient: this is a capped-hours engagement, so time management and prioritization matter as much as technical depth
  • Reliable: consistent availability and communication for the duration of the engagement

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on arc.dev
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

Moments

Explore playlists

1:01 min

Reviewing supplementary platform features and secured enterprise environments

45 sec

Working securely with Node.js path application programming interfaces

Sonya Moisset · World Congress 2023

4:30 min

Scaffolding pages and routing single-page applications with Next.js

Josh Goldberg · JS Congress

1:21 min

Exploring the target application for front end tests

Anna Mcdougall · JS Congress

1:20 min

Identifying multi-disciplinary talent for developer experience engineering roles

Hazal Mestci +1 · Coffee With Developers

3:55 min

Identifying underlying Node.js runtime vulnerabilities using fuzzing tools

Sonya Moisset · World Congress 2023

Videos

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Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS thumbnail
53:45
JS Congress • almost 5 years ago

Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS

Anna Mcdougall

GraphQL + Apollo + Next.js: A Lovely Trio thumbnail
40:45
JS Congress • almost 5 years ago

GraphQL + Apollo + Next.js: A Lovely Trio

Josh Goldberg

Stop using Node.js like in 2020! What changed and what you can do today with Node.js thumbnail
28:22
World Congress 2026 Europe • about 2 months ago

Stop using Node.js like in 2020! What changed and what you can do today with Node.js

Alfonso Graziano

Build and Deploy a Fullstack App with Open Source Tooling thumbnail
25:53
World Congress 2023 • almost 3 years ago

Build and Deploy a Fullstack App with Open Source Tooling

Noam Honig

Build Your Own Subscription-based Course Platform thumbnail
1:24:47
LIVE • almost 5 years ago

Build Your Own Subscription-based Course Platform

Dávid Lévai

From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners thumbnail
29:01
World Congress 2023 • almost 3 years ago

From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners

Marius Obert

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