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
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Design and ship AI-powered features end-to-end, with emphasis on backend and LLM integration layers.
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Build and maintain pipelines for AI agents, RAG workflows, and API integrations with LLM providers (OpenAI, Anthropic, etc.).
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Contribute to refactoring and modernizing legacy systems with AI readiness in mind.
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Collaborate with product, design, and research teams in a distributed environment.
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Implement design updates as part of a rebranding initiative (typography, assets, UI components).
Must-Have Skills
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8+ years in engineering, with proven SaaS/B2B experience.
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Strong in TypeScript, Node.js, React, PostgreSQL.
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Hands-on experience integrating LLMs into production systems (prompt engineering, tool use, context management).
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Familiarity with agentic frameworks (LangChain, LlamaIndex, or similar) or building custom agent pipelines.
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Exposure to system design and scaling at enterprise level.
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Ability to ship high-quality features fast.
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Experience with vector databases (pgvector, Pinecone, Weaviate) is a plus.
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Experience migrating legacy systems or supporting multi-region infra is a plus.
Soft Skills
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Agentic mindset: builds autonomous, outcome-driven solutions — not just features.
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Stays current with the fast-moving AI tooling landscape; opinionated about what to use and why.
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Excellent cross-team communication in distributed environments.
What we offer:
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Competitive salary and bonuses
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Flexible work hours
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Remote job
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Professional development opportunities
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Vibrant workplace culture
Why working at Diffco?
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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.
