Sr. Full-Stack Developer, AI Design-to-Dev

Appnovation Technologies; São Paulo; On-site; BRL 140,000 - 240,000; Full time

Benefits offered by this job

Health Benefits Package

Mental Health Support

Personal Days Off

Fertility and Menopause Leave

Fitness Allowance

D,E&I Initiatives

Work-life Balance

Job summary

Appnovation Technologies in São Paulo, Brazil, seeks a Sr. Full-Stack Developer with AI Design-to-Dev focus. You will transform ideas into production-ready apps using cutting-edge AI design tools and modern full-stack frameworks, emphasizing frontend excellence.

You'll work across design systems, accessibility, performance, and scalability, delivering production-grade software while collaborating with UX designers, AI builders, and innovation leads in a fast-paced environment.

Qualifications

• 6+ years in full-stack development with frontend emphasis.
• Proven experience with PHP and Python.
• Experience with Node.js and Express.
• Hands-on experience with AI design tools such as v0.dev, bolt.new, Lovable.
• Experience with GitHub Spec-kit/Open Spec.
• Experience with workflow automation (N8N).
• Strong backend knowledge: API design (REST/GraphQL) and databases.
• Portfolio of full-stack apps with design systems and AI tooling.

Responsibilities

• Rapidly transform concepts into interactive prototypes using AI design tools.
• Build full-stack apps from prototype to production with frontend emphasis.
• Ensure components align with design systems and brand guidelines.
• Develop production-ready UI components with React/Vue/Nuxt and accessibility best practices.
• Design RESTful APIs and backend services (e.g., Supabase).
• Work with SQL and NoSQL databases to manage data efficiently.
• Implement authentication and caching strategies; optimize performance.
• Collaborate with UX Designers, AI Builders, and Innovation Leads.
• Utilize GitHub Spec-kit/Open Spec to streamline development workflows.
• Leverage Figma and design system tooling for component libraries.
• Document design decisions and technical implementation in Jira.

Skills

Full-stack development

Frontend frameworks

React.js

Vue.js

Nuxt.js

PHP

Python

Node.js

Express

AI design tools

GitHub Spec-kit / Open Spec

N8N workflow

Supabase

PostgreSQL / MySQL

MongoDB

OAuth / JWT

Figma / design systems

TailwindCSS

AWS / Azure / GCP

Tools

v0.dev

bolt.new

Lovable

GitHub Spec-kit

Open Spec

N8N

Supabase

TailwindCSS

Job description

Sr. Full-Stack Developer, AI Design-to-Dev

About us

Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Bold ambition. Practical action. Endless possibilities.

About the Role

As a Full-Stack Developer / AI Design-to-Dev, you'll transform business ideas into production-ready applications using cutting‑edge AI design tools and modern full-stack frameworks. With a strong bias toward frontend development, you specialize in the critical early stages—from concept through pre‑totype to prototype—where design systems meet AI-augmented development. You're an expert at leveraging tools like v0.dev, bolt.new, and Lovable to rapidly generate components, then building out the complete stack to meet enterprise standards for accessibility, performance, responsive design, and scalability. You must be able to think fast, work outside the box, and have a passion for pushing the boundaries of what AI can achieve. You will join a team that thrives on experimentation, moving at a rapid pace from initial concepts through prototypes to production‑ready applications.

Key Responsibilities

• Rapidly transform concepts into interactive prototypes using v0.dev, bolt.new, Lovable, and similar AI design tools.
• Build full-stack applications from prototype to production, with emphasis on frontend excellence and solid backend foundations.
• Ensure all components align with existing design systems (design tokens, color palettes, typography, spacing) and brand guidelines.
• Develop production-ready UI components using modern frameworks (React.js, Vue.js, Nuxt.js ) with best practices for accessibility, performance, and responsive design.
• Design and implement RESTful APIs and backend services using platforms like Supabase to support frontend functionality.
• Work with databases (SQL and NoSQL) to manage application data efficiently.
• Implement authentication, caching strategies, and optimize application performance across the stack.
• Collaborate with UX Designers, AI Builders, and Innovation Leads throughout the development lifecycle.
• Utilize GitHub Spec-kit and/or Open Spec to streamline development workflows and maintain specification standards.
• Leverage Figma and design system tooling to maintain component libraries and streamline design‑dev handoff.
• Document design decisions and technical implementation in Jira as part of the ticket-driven workflow.

Qualification

• 6+ years in full-stack development with strong frontend expertise in modern UI frameworks (React.js, Vue.js, Nuxt.js). Bonus points if you have experience working in a startup or rapid prototyping environment.
• Proven experience with PHP and Python.
• Desired experience with NodeJS and Express.
• Proven hands‑on experience with AI design tools such as v0.dev, bolt.new, Lovable, or similar platforms.
• Experience with Spec driven development like GitHub Spec-kit and Open Spec.
• Experience with workflow automation platforms such as N8N.
• Strong track record of delivering production‑grade full-stack applications.
• Solid understanding of backend development, including API design (REST, GraphQL), server‑side logic, and database management.
• Experience with platforms like Supabase for rapid backend development and both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
• Proficiency with authentication mechanisms (OAuth, JWT) and security best practices.
• Understanding of caching strategies, performance optimization, and scalability patterns.
• Deep understanding of design systems, design tokens, and component‑driven development.
• Expert‑level proficiency with Figma, including design system management and component libraries.
• Experience with CSS frameworks (e.g. TailwindCSS) and modern styling approaches.
• Strong collaboration and creative problem‑solving skills.
• Familiarity with cloud platforms (AWS, Azure, GCP) and deployment workflows.
• A portfolio showcasing full‑stack applications you've built, including work with design systems and AI design tools.
• Strong attention to detail and a passion for innovation.
• Ability to work in a fast‑paced and dynamic environment.

What Appnovation Offers

• Challenging and rewarding work with real impact
• Growth opportunities for personal and professional development
• Exposure to exciting projects and high‑profile clients
• Supportive work environment with access to company leaders

Here are a few more reasons why you should apply:

• Work-life Balance
• Lots of opportunities for personal and professional growth
• Health Benefits Package
• Mental Health Support
• Personal Days Off
• Fertility and Menopause Leave
• Fitness Allowance
• D,E&I Initiatives
• And much more…

Thank you for your interest in a career with Appnovation Technologies! Please note that only those selected for an interview will be contacted.

At Appnovation, we recognize that diverse teams are the strongest teams. Diversity, Equity & Inclusion is not only something that we embrace - we celebrate it! We are proud to be an Equal Opportunity Employer and we encourage applicants from all backgrounds, lived experiences and industries to apply. Come join us at Appnovation, and learn more about how we stay true to our company values as we build better lives through better digital.

Accommodations are available upon request throughout the recruitment process.