Full-Stack Developer (AI-First)

Job Title: Full-Stack Developer (AI-First)
Location: Remote ( Brazil)
Schedule: Monday - Friday. 9AM - 5PM EST - Full-Time (Flexible)
Salary Range: $1,800 – $3,500 USD per month ($11 – $22 USD/hour)

An AI-powered veterinary care ecosystem designed to serve 20,000+ clinics across 100+ countries. Powered by Marcia, a proprietary AI platform, it operates across six integrated portals and supports millions of users with tens of millions of concurrent sessions.

This is not a traditional engineering role. It is an AI-first environment where developers are expected to fully embrace agentic workflows, automation, and AI-assisted development to move faster and build smarter at scale.

Role Overview

We’re looking for a Full-Stack Developer who is not only technically strong but deeply experienced in AI-assisted development workflows. You will play a critical role in building and scaling a high-performance, globally distributed platform.

You should be comfortable working with tools like Claude Code and Cursor, orchestrating sub-agents, and leveraging AI across the development lifecycle. This role requires someone who can think in systems, optimize performance, and build infrastructure that scales seamlessly under heavy load.

Responsibilities

AI-Assisted Development

• Leverage AI tools (Claude Code, Cursor) as primary development environments
• Design and orchestrate agentic workflows and sub-agents
• Use AI to accelerate development, testing, and debugging

Full-Stack Development

• Build and maintain scalable frontend and backend systems
• Develop across multiple portals (Consumer, Clinic, Enterprise, Platform, Referral, Admin)
• Ensure clean, maintainable, and high-quality code

Performance & Scalability

• Optimize database queries and system performance
• Design and manage caching layers and connection pools
• Build systems capable of handling millions of concurrent users

Code Quality & Security

• Ensure all code passes automated review pipelines (5+ bots) before human review
• Meet SonarCloud quality gates on first push
• Maintain strict security best practices and hygiene

System Design

• Architect distributed systems for global scale
• Ensure reliability, fault tolerance, and high availability
• Collaborate on infrastructure and backend architecture decisions

Requirements

• Proven experience as a Full-Stack Developer in high-scale environments
• Strong proficiency in both frontend and backend development
• Hands-on experience with AI-assisted coding tools and workflows
• Deep understanding of scalability, performance optimization, and system design
• Experience optimizing databases, APIs, and distributed systems
• Strong knowledge of caching strategies and concurrency handling
• Ability to pass strict automated code quality and security standards
• Comfortable working in a fast-paced, high-performance engineering culture
• Strong communication skills in English

Nice-to-Haves

• Experience with agent-based or autonomous development systems
• Familiarity with large-scale SaaS or platform ecosystems
• Experience working with global, distributed systems
• Background in high-traffic applications or real-time systems

Ideal Candidate Profile

• AI-first thinker who naturally integrates automation into workflows
• Highly technical and performance-driven
• Systems-oriented with strong architectural instincts
• Detail-oriented with a strong focus on code quality and security
• Thrives in high-scale, high-impact environments
• Fast executor who values efficiency, speed, and precision

Additional Details

• Industry: Technology & IT
• Number of Positions: 7
• Job Type: Contractor (Indefinite)
• Start Date: ASAP

Benefits

• Remote Work Flexibility – Work from anywhere while staying connected with a high-performing team.
• Career Growth Opportunities – Expand your expertise in digital marketing and client management.
• Supportive Team Culture – Collaborate with passionate professionals who value teamwork and innovation.

As part of our recruitment process, all candidates are kindly asked to read, understand, and agree to Confidencial (Apenas para Cadastrados)’s Confidentiality and Non-Circumvention Agreement. This ensures a respectful and professional experience for everyone involved.