Senior AI/ML Engineer (Python) - LLM & RAG Systems

kake • Canada

Remote

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AI Summary

Design, build, and deploy scalable LLM-powered applications and AI systems in Python, focusing on RAG pipelines, vector search, and production-grade AI/ML solutions. Collaborate cross-functionally to translate product needs into technically robust AI features while optimizing for cost, latency, and quality. Requires deep expertise in Python, LLM frameworks, and backend systems with a focus on reliability and performance.

Key Highlights

Lead end-to-end development of LLM-powered applications and AI systems at scale

Architect and optimize Retrieval-Augmented Generation (RAG) pipelines with embeddings and vector databases

Work in a fully remote, global team with flexible hours to support distributed collaboration

Key Responsibilities

Design, build, and deploy LLM-powered features and applications using Python

Develop and maintain backend services and APIs (e.g., FastAPI) for AI/LLM capabilities

Build and optimize RAG pipelines, including embeddings, vector search, and retrieval strategies

Design, test, and iterate on prompts, agents, and orchestration flows using LLM frameworks

Integrate with LLM providers (e.g., OpenAI, Anthropic) and manage cost/latency/quality tradeoffs

Evaluate model outputs systematically, building tooling and metrics for accuracy, safety, and regression testing

Collaborate with cross-functional stakeholders to translate product needs into technically sound AI solutions

Work with containerized environments (e.g., Docker) and data infrastructure (e.g., PostgreSQL, Redis, vector databases)

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Technical Skills Required

Python Large Language Model (LLM) Frameworks (e.g., LangChain, LlamaIndex) Backend Systems & APIs (e.g., FastAPI)

Benefits & Perks

Competitive Pay in USD

Fully Remote Work

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Nice to Have

Experience fine-tuning or evaluating open-source LLMs

Familiarity with prompt engineering best practices and agentic workflows

Background in machine learning fundamentals (e.g., scikit-learn, PyTorch, TensorFlow)

Experience with distributed systems, streaming (e.g., Kafka), or large-scale applications

Job Description

Senior AI/LLM Engineer (Python) - Remote

Kake is a remote-first company and a people-first global community of senior engineers. Kake engineers are behind some of the world’s most innovative products (Brands you’ve heard!), from Fortune 500 to fast-growing companies. We believe it’s not where your table is, but what you bring to the table that matters. Our community spans 45,000+ engineers across 55+ countries; join a culture where great people stay, grow, and thrive (and love eating kake!).

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