remote · today
You will design and ship AI-powered features end-to-end, building LLM integrations, RAG workflows and agent pipelines. You will also modernize legacy systems and implement rebranding design updates.
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 • Flexible 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.
Posted Nov 9, 2026
