Fractional Full-Stack Engineer (Senior) · Valsnapp

Remote / remote / Latin America · getonbrd · posted · open posting ↗

Judgment

Score
32 · skip
Direct hire
direct
Hires in Brazil
yes
Seniority
mid
Stack fit
88/100
Compensation
$30–$40 USD/hour (listed)
Location-independent pay
no
Required skills
TypeScript, React, Next.js, PostgreSQL
Nice to have
Playwright, Stripe, Testing
Judged

Valsnapp hires an individual contractor, 'Remote — Latin America', on TypeScript, React, and Next.js. They ask for '2+ years' and 'minimum 10 hours/week' at '$30–$40 USD/hour', which is a support seat rather than a senior role.

Your status

Posting

Triage and fix bugs across our application and marketing site Take well-scoped tickets from investigation through deployment Debug production issues, third-party APIs, and failed background jobs Maintain dependencies, address security advisories, and keep CI green Improve automated test coverage, including end-to-end testing Work directly with our technical lead through GitHub and Linear You should be comfortable working independently in a fractional environment. We’ll provide clear priorities and technical review, but we expect you to investigate problems, communicate clearly, and move work forward without continuous supervision. This is a good fit for an experienced engineer who wants a stable, ongoing US startup client alongside other independent work. Please apply as an individual contractor, not through an agency. 2+ years of professional TypeScript experience Strong React 18 and Next.js experience, including App Router, API routes, and server/client component boundaries Working knowledge of Postgres and Supabase, including SQL, migrations, Row-Level Security, Auth, and Storage Experience deploying and debugging applications on Vercel Comfortable with Git, short-lived feature branches, pull requests, and feature flags Able to diagnose third-party API integrations, including retries, failures, and rate limits Writes and maintains unit/component tests and fixes failing tests rather than skipping them Able to reproduce user-reported bugs, identify root causes, and ship focused fixes Productive with AI coding tools such as Claude Code or Cursor, while critically reviewing their output Strong written English and ability to work independently Stripe subscriptions and webhooks Resend and/or Twilio Playwright or similar end-to-end testing PDF generation or document rendering Google Cloud Run or other containerized services Linear Nice to have LLM API integration SOC 2 awareness, audit logging, least-privilege access, and secure secrets handling TypeScript / Next.js / Supabase — Remote, Latin America This is a long-term independent contractor engagement, not an employee position. Commitment: Minimum 10 hours/week, with the opportunity to increase to 20 hours/week Rate: $30–$40 USD/hour, depending on experience Location: Remote — Latin America Working style: Mostly asynchronous, with some overlap with US Pacific Time Valsnapp is looking for an experienced, independent full-stack engineer to help us improve and support a live proptech/fintech application. This is a long-term independent contractor engagement, not an employee position. What you’ll do Triage and fix bugs across our application and marketing site Take well-scoped tickets from investigation through deployment Debug production issues, third-party APIs, and failed background jobs Maintain dependencies, address security advisories, and keep CI green Improve automated test coverage, including end-to-end testing Work directly with our technical lead through GitHub and Linear