Senior Fullstack Developer & AI Systems
Posted by CONEXIONHR • Buenos Aires, Autonomous City of Buenos Aires, Argentina
About the Role
We are seeking a Senior Software Engineer to architect and scale our platform-level agentic AI systems. This role combines full-stack engineering excellence with deep expertise in LLM-powered experiences. You’ll design, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close collaboration with our co-founders. Your work will directly shape the reliability, speed, and cohesion of company’s multi-agent ecosystem.
Key Responsibilities:
● Architect and implement cross-agent systems that power core platform experiences.
● Build and scale full-stack product components using TypeScript/React and Python services.
● Integrate LLMs into production workflows with strong contracts, observability, and test coverage.
● Develop shared UI components and typed SDKs to unify cross-agent experiences.
● Lead engineering direction, collaborating with founders and cross-functional stakeholders...
Ready to Apply?
Submit your application today and take the next step in your career journey with CONEXIONHR.
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