Full Stack AI Engineer

Diffco; United States; A distancia; USD 140.000 - 200.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary & bonuses

Flexible work hours

Remote job

Professional development opportunities

Vibrant workplace culture

Descripción de la vacante

Diffco is hiring a Full Stack AI Engineer to accelerate AI feature delivery in a fast-growing SaaS environment. You will own backend and LLM integration layers, build AI agent pipelines, and help rebrand the product with updated typography and UI components.

You will collaborate with product, design, and research teams in a distributed setup, shipping high-quality features quickly while staying current with AI tooling. This role offers remote work with flexible hours and strong growth.

Formación

• 8+ years in software engineering with SaaS/B2B experience.
• Strong expertise in TypeScript, Node.js, React, and PostgreSQL.
• Hands-on experience integrating LLMs into production systems (prompting, tools, context management).
• Familiarity with agentic frameworks (LangChain, LlamaIndex) or building custom agent pipelines.
• Experience designing scalable, multi-region enterprise infrastructure.
• Excellent cross-team communication in distributed environments.
• Ability to ship high-quality features quickly.

Responsabilidades

• 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).

Conocimientos

TypeScript

Node.js

React

PostgreSQL

LLM integration

LangChain / LlamaIndex

Vector databases

Distributed systems

Herramientas

pgvector

Pinecone

Weaviate

LlamaIndex

Descripción del empleo

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.

Задачи:

• 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).

Требования:

• 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.
• 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.

Условия:

• Competitive salary and bonuses
• Flexible work hours
• Remote job
• Professional development opportunities
• Vibrant workplace culture

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.