Fullstack Ai Engineer - Pleno/Sênior

Lever, Inc.; Brasília; Remote; BRL 180,000 - 280,000; Full time

Benefits offered by this job

Fully remote

Office visits in Campinas

AI project experience

Professional development

Job summary

Lever, Inc. is seeking a Fullstack AI Engineer (Pleno/Sênior) based in Brazil. The role focuses on turning AI concepts into practical products, prototypes, automations, and MVPs driven by generative AI.

You will build and integrate across systems with Node.js, React, Python, and AI APIs, collaborating with product and business teams to deliver measurable value. The position is fully remote with occasional visits to the Campinas, São Paulo office.

Qualifications

• Experience building AI-powered software and agents.
• Strong ability to translate business needs into practical AI solutions.
• Proven hands-on with Node.js, React, Python, and REST APIs.
• Familiarity with cloud environments and containerization.

Responsibilities

• Develop prototypes and MVPs using generative AI, automation, and APIs.
• Design automated workflows with n8n and integrate internal systems.
• Build solutions with Node.js, React, Python, and PHP as needed.
• Design and support AI agents, copilots, and intelligent workflows.

Skills

AI agent development

Node.js

React

Python

REST APIs

n8n

Lang Chain

DevOps basics

LGPD knowledge

Tools

Docker

CI/CD

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps.

Our partner is looking for a Fullstack AI Engineer - Pleno/Sênior based in Brazil.

This role offers the opportunity to build practical AI solutions that transform business opportunities into working products.

You will create prototypes, automations, integrations, and MVPs powered by generative AI and modern development practices.

Working closely with product and business teams, you will identify processes that can be improved and translate them into scalable solutions.

The position combines full-stack development, AI agents, API integrations, workflow automation, and rapid experimentation.

You will work with technologies such as Node.js, React, Python, n8n, LLM APIs, and AI-assisted development tools.

The environment values autonomy, speed, innovation, and the ability to turn ideas into measurable business value.

The position is remote, with occasional availability required for visits to the office in Campinas, São Paulo.

Accountabilities

• Develop prototypes and functional MVPs using generative AI, automation, APIs, and system integrations.
• Design automated workflows with n8n and connect internal systems, databases, web applications, and AI services through APIs.
• Build and evolve solutions using multiple programming languages and technologies, including Node.js, React, Python, and PHP.
• Design and support AI agents, copilots, assistants, and intelligent workflows, evaluating appropriate architectures and implementation approaches.
• Assess technical feasibility, effort, risks, and architecture for proposed solutions.
• Apply good practices related to security, authentication, logging, data protection, and responsible use of AI-powered solutions.
• Document technical solutions and contribute to evolving prototypes and MVPs into production-ready applications.
• Work consultatively with product and business stakeholders to map current-state (As-Is) processes and propose improved future-state (To-Be) processes.
• Experiment with AI-assisted development tools and rapidly validate ideas while maintaining appropriate technical quality and reliability.

Requirements

• More than 5 years of professional software development experience.
• Practical experience with AI-assisted software development, including tools such as Claude Code, Lovable, Git Hub Copilot, or similar vibe-coding solutions.
• Hands-on experience creating and developing AI agents.
• Proven ability to understand business needs, analyze existing processes, and propose future-state solutions that generate practical value.
• Strong practical experience with n8n for workflow automation and system integrations.
• Experience rapidly developing prototypes and evolving them into functional MVPs.
• Solid knowledge of Node.js, React, and REST API integrations.
• Experience with Python for automation, scripting, or AI-related integrations.
• Familiarity with PHP-based applications.
• Familiarity with Lang Chain, Lang Graph, or comparable AI agent and orchestration frameworks.
• Knowledge of cloud environments, Docker, CI/CD, Dev Ops, or serverless architectures.
• Understanding of generative AI, LLMs, prompt engineering, and AI service APIs.
• Strong communication skills and the ability to translate technical concepts for product and business audiences.
• Autonomy, delivery focus, curiosity, and an innovative mindset with the ability to take calculated risks.
• Knowledge of RAG, embeddings, and vector databases is a plus.
• Familiarity with LGPD, data security, and AI governance is a plus.
• Experience with BMAD Method and agent orchestration is a plus.
• Experience in education or healthcare environments is a plus.
• Familiarity with TOTVS/RM or Protheus is a plus.

Benefits

• Fully remote position.
• Occasional travel to the office in Campinas, São Paulo, as required.
• Opportunity to work on practical applications of generative AI, automation, and AI agents.
• Exposure to modern development technologies and AI-assisted engineering llaboration with product, business, and technology teams. Opportunity to contribute to prototypes, MVPs, integrations, and solutions with direct business impact. Professional development in an innovation-focused technology llaborative environment that values autonomy, knowledge sharing, diversity, respect, and ethical practices.