As a Fullstack AI Engineer, you will design and develop scalable applications, integrating AI solutions and collaborating with the CTO in a startup environment.
This is a remote position.
We are looking for a Fullstack AI Engineer to join an innovative AGR Tech project from the ground up, focused on building a neural-language-based communication system for client interactions. In this role, you will work directly with the CTO, contributing to both technical architecture and product evolution in a highly collaborative environment.
You will be responsible for designing, developing, and scaling modern fullstack applications, with a strong emphasis on AI-driven solutions and LLM integrations. This role is ideal for someone who enjoys building products from scratch, has strong ownership mindset, and is excited about applying artificial intelligence to solve real business problems.
Opportunity for Brazil residents only
Design and develop scalable fullstack applications from scratch
Build and maintain backend services using Python and FastAPI
Develop modern frontend interfaces using React
Collaborate directly with the CTO on technical decisions and product strategy
Design and implement AI-powered workflows and LLM integrations
Research, test, and apply new AI technologies to improve product capabilities
Create and maintain APIs, integrations, and data pipelines
Contribute to system architecture, scalability, and performance improvements
Participate in rapid product iterations and technical validations
Translate business and product requirements into technical solutions
Collaborate with cross-functional stakeholders in a fast-paced startup environment
Ensure code quality, maintainability, and best development practices
Requirements
+3 years of experience in Fullstack Software Development
Knowledge in Python backend development
Experience building frontend applications with Javascript/React
Experience designing and consuming REST APIs
Interest in or hands-on experience with LLMs, AI tools, or AI-based products
Strong problem-solving skills and critical thinking
Ability to work autonomously and take ownership of technical decisions
Comfort working in early-stage products with evolving requirements
Collaborative mindset and strong communication skills
Nice-to-have:
Experience with Python and FastAPI
Experience with AI agents, prompt engineering, or RAG architectures
Experience with cloud platforms such as AWS
Experience with Docker and CI/CD pipelines
Startup or product-building experience
Experience working closely with technical leadership or founders
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