We are seeking a Full Stack AI Engineer to join a fast-growing SaaS company building AI-native products. The role will accelerate AI feature delivery, contribute to agentic workflow architecture, and support a company-wide rebrand implementation. Responsibilities - Design and ship AI-powered features end-to-end, with emphasis on backend and LLM integration layers. - Build and maintain pipelines for AI agents, RAG workflows, and API integrations with LLM providers (OpenAI, Anthropic, etc. ). - Contribute to refactoring and modernizing legacy systems with AI readiness in mind. - Collaborate with product, design, and research teams in a distributed environment. - Implement design updates as part of a rebranding initiative (typography, assets, UI components). Must-Have Skills - 8+ years in engineering, with proven SaaS/B2B experience. - Strong in TypeScript, Node. js, React, PostgreSQL. - Hands-on experience integrating LLMs into production systems (prompt engineering, tool use, context management). - Familiarity with agentic frameworks (LangChain, LlamaIndex, or similar) or building custom agent pipelines.

- Exposure to system design and scaling at enterprise level. - Ability to ship high-quality features fast. - Experience with vector databases (pgvector, Pinecone, Weaviate) is a plus.



- Experience migrating legacy systems or supporting multi-region infra is a plus. Soft Skills - Agentic mindset: builds autonomous, outcome-driven solutions — not just features. - Stays current with the fast-moving AI tooling landscape; opinionated about what to use and why. - Excellent cross-team communication in distributed environments. What we offer: - Competitive salary and bonuses - Adaptable work hours - Remote job - Professional development opportunities - Vibrant workplace culture Why working at Diffco ? - Great experience and opportunity: You will work on the fast-forward projects in Silicon Valley utilizing the latest technologies, methodologies, frameworks and approaches with the ability and time to learn and develop professionally. - Professional and harmonious team of friends: Our team is a second family, so you would enjoy spending the day working on nice projects with kind people with broad interests. - A vast field for growth: Learn continuously, expand your skills and demonstrate your professional level and ability to take more responsibility to grow. - Great company culture: We care about you and are interested in your personal professional goals, motivation and we build a perfect work/life balance.

📌 Full Stack AI Engineer (Argentina)
🏢 Diffco
📍 Argentina