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.
