1159 - Senior Full-Stack Software Engineer
- Salary
- $3,000 - $3,200 per month
- Level
- Senior
- Work type
- Remote
Not stated in the posting: visa.
Open. First seen 7 October 2026.
About the role
We Make Remote Work Remarkable • TopTalent from LatAm
GoFasti's standard text
Hello! We are GoFasti, a Talent-as-a-Service. GoFasti bridges the gap between world-class developers and designers from LatAm and first-class companies around the globe.
We need an English-fluent Senior Full-Stack Software Engineer, based in Latin America, available to work remotely.
GoFasti's standard text
We are looking for someone with exceptional communication and relationship-building skills, who embraces changes while maintaining strong attention to detail. An interested and proactive person, who's constantly learning and improving their skills.
Are you the one we are looking for?
Responsibilities:
A TypeScript monorepo: a Next.js 16 web app and API, an Expo mobile app, and a Cloudflare Worker.
A PostgreSQL + Prisma data model with dozens of models and a long migration history, shared across apps.
Background systems: webhook handlers (Plaid, Stripe, Linq), queued inbound-message batching, and scheduled jobs.
Security-sensitive paths: encrypted bank tokens and chat content, per-user data scoping, auth across web and mobile.
The AI layer: LLM tool-calling over users' financial data, long-term memory, and proactive insights.
Reviewing AI-generated code, including your own, with a skeptical eye.
Requirements:
6+ years as a software engineer, 3+ years shipping production TypeScript/Node backends.
Shipped work at a company that moved money or handled bank or card data (Plaid, Stripe Treasury, Unit, Synapse-era BaaS, card issuing, lending, payroll).
Deep PostgreSQL: migrations safe to run on live data, indexes, transactions, query plans.
Real experience with async systems: idempotency, retries, deduplicating webhooks, jobs that fail halfway.
A security-first instinct around PII, encryption at rest, auth tokens and least privilege.
Solo ownership of production at least once: on-call, reading error tracking, writing root-cause analyses.
Daily use of AI coding tools (Claude Code, Cursor or similar), and clear views on where they go wrong.
Written English good enough that a PR description or incident write-up needs no follow-up questions.
It's a plus:
Plaid in production: webhooks, item re-authentication, transaction sync cursors.
LLMs in production: tool-calling, prompt evaluation, cost and latency control.
Next.js App Router and React Server Components.
SMS or messaging compliance (opt-outs, TCPA), or Stripe subscription billing.
Expo / React Native.
Compensation:
The salary range offered for this position varies from (USD) $3,000 - $3,200 per month, depending on seniority and skillset.
This position is for a full time contract, through a payroll platform.
GoFasti's standard text
The talent will work remotely allocated at our client.
Here are the steps for this process:
Application review/approval > Screening interview with GoFasti's team > We build and send your profile to our client > Profile review/approval by client > Interview with the client > Hiring and onboarding.
Once you apply for the job, our team will review your resume. If it meets the requirements, we will contact you and move forward in the process.
Note for Candidates Approached Directly:
If you were contacted directly by a member of our team and are interested in this opportunity, please do not apply through this link. Instead, reach out to the person who contacted you to coordinate a meeting.
Thank you!
What this role asks for
Particular to this role
Cloudflare · Next.js · React Native
Rare in GoFasti's other 8 open postings.
Standard for full stack roles
JavaScript · Node.js · PostgreSQL · React · TypeScript
Common in full stack postings at any company.
65% of this description is written for the role. The rest is GoFasti's standard text, folded away below.
Compared with GoFasti's other open jobs.
The team: Information Technology
This role is one of 5 open in Information Technology. 4 were posted in the last 30 days.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
JavaScript (3 of 5), LLM (3 of 5), AWS (2 of 5), GCP (2 of 5), Git (2 of 5), MLflow (2 of 5), Next.js (2 of 5)
OTHER ROLES ON THIS TEAM
- 1182 - Junior Frontend Developer (Part-Time) posted Oct 23
- 1178 - Sr. Data Architect posted Oct 22
- 1172 - Senior Data Scientist posted Oct 16
- 1140 - Lead Developer / Architect Web3 posted Sep 3
From the team and dates on GoFasti's own job board.
See Software Engineer salaries in Remote →
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