Senior Fullstack Engineer: AI Agent Systems (Next.js/React)

Kake; Argentina; Presencial; ARS 135.738.000 - 226.231.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Fully remote work

USD pay

Personal growth fund

Social impact culture

Descripción de la vacante

Kake seeks a product-minded fullstack engineer to join a fast-moving team building AI-powered products at the intersection of great UX and applied AI. You will work across a modern Next.js/React stack and design agentic workflows and MCP server integrations while delivering polished UI and reliable AI systems.

Ideal candidates have strong experience with multi-agent AI systems, Postgres APIs, and integrating with LLMs, with excellent English communication and the ability to thrive in a fully

Formación

• Strong experience with Next.js (Pages Router) and React 18.
• Experience building multi-agent AI systems and agentic workflows.
• Backend experience with Postgres and API development (Next.js API routes).
• Strong product sense with UI quality, animation and design systems.
• Experience integrating with LLM APIs and/or RAG pipelines.
• Excellent written and verbal English, and ability to work independently remotely.

Responsabilidades

• Design, build, and ship fullstack features from UI to backend logic.
• Build and maintain agentic workflows and MCP server integrations.
• Collaborate with design to implement polished UI using Material UI and Figma specs.
• Build and maintain RAG pipelines and integrations with multiple LLM providers.
• Work with async job processing and Postgres-backed data models.
• Contribute to internal tooling and back-office workflows (Retool).
• Translate requirements with product and design into technical solutions.
• Write clean, maintainable code and participate in code reviews.

Conocimientos

Next.js

React 18

Multi-agent AI systems

Postgres APIs

UI/UX polish

English communication

Remote work independence

Herramientas

Material UI

Figma

Retool

Inngest

Qdrant (vector DB)

Descripción del empleo

Kake seeks a product-minded fullstack engineer to join a fast-moving team building AI-powered products at the intersection of great UX and applied AI. You will work across a modern Next.js/React stack and design agentic workflows and MCP server integrations while delivering polished UI and reliable AI systems.

Ideal candidates have strong experience with multi-agent AI systems, Postgres APIs, and integrating with LLMs, with excellent English communication and the ability to thrive in a fully