About the role
The Full-Stack Developer role consists of owning features end to end — the React front, the Node or Python back, the database schema, the deploy. One senior full-stack engineer replaces the frontend-backend coordination tax with a single owner per feature. It's the default profile for startups and small product teams, and the most common role our clients staff.
Monthly rate
$4,500–$7,000/mo
All-in: contract, benefits, equipment, IP
Experience
10+ years typical
Location
Latin America
Argentina · Colombia · Mexico · Chile
Timezone
Full US overlap
Fluent English, onboarded in one week
Core stack
AI tools, daily
Verticals seen
What they own — and what they don't
What they own
- Ship complete features: UI, API, data model, tests, deploy
- Work across React/Next.js and Node/Python codebases without a handoff in between
- Own the technical quality of their slice — performance, error handling, migrations
- Integrate third-party services and, increasingly, LLM APIs into product features
- Move between product areas as priorities shift — breadth is the point
What they don't — and who does instead
- Deep specialist work at either edge — design systems at scale or high-throughput distributed backends deserve dedicated seniors
- Own infrastructure and cloud architecture — that's DevOps
- Design your AI architecture — pair them with an AI Engineer when features get model-heavy
- Set product direction — they execute fast against a clear roadmap
Who hires this role, and for what
Startups building their first real product team. Under 15 engineers, feature ownership beats layer ownership. Two strong full-stacks outship four narrow specialists.
Companies with a feature backlog and a hiring freeze. One augmented full-stack senior is the fastest legal way to add shipping capacity this quarter.
Products with more surface than depth. Lots of screens, forms, integrations, and CRUD — breadth-heavy work where full-stack ownership shines.
- 01
Feature squad staffing. A senior full-stack (or a pair) owning a product area end to end inside your existing team.
- 02
MVP and new product lines. Zero to launched with one profile that covers the whole stack.
- 03
Legacy front-end modernization. Incremental migration to React/Next while the product keeps shipping.
- 04
Integration-heavy builds. Payments, auth, CRMs, LLM APIs — the connective tissue work that spans every layer.
Work our engineers at this role have shipped
- Customer-facing web platform (Next.js + Node) rebuilt end to end for a hardware-tech scaleup
- Feature squad of two full-stack seniors owning a SaaS module from database schema to UI
- Legacy jQuery front end incrementally migrated to React while the product kept shipping
Do you actually need a Full-Stack Developer?
You do, if:
- Features wait on coordination between frontend and backend people
- Your roadmap is full of medium-sized features, not one deep hard problem
- You want added capacity that's productive in week one without a specialist ramp
- The team is small enough that everyone touches everything anyway
You probably don't, if:
- The bottleneck is one deep layer — a specialized Node.js or frontend senior will move it faster
- The work is mostly data pipelines or ML — wrong aisle, see Data and AI roles
- You need architecture direction more than throughput — start with a fractional architect conversation
Not sure which role fits? Tell us the problem instead of the title — we'll tell you what we'd actually staff, even if it's not this. If it is this: discovery call today, matched profiles in 48 hours, onboarded in a week.
Hire a Senior Full-Stack Developer