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Senior AI Developer/Engineer

Mamsys World
Full TimeseniorHybrid
Mississauga, Ontario, CAPosted March 23, 2026

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Job Description

Job Title: Senior AI Developer/Engineer

Location: Mississauga, Canada (Hybrid)

Job Overview

We are looking for experienced AI Developers with strong expertise in Generative AI, Machine Learning, and Large Language Models (LLMs) to design, build, and deploy enterprise-grade AI solutions. The ideal candidate will have hands-on experience with Python-based AI frameworks and LLM integration, along with deep knowledge of RAG pipelines, MLOps, and cloud-based AI platforms.

Candidates with Python + LLM experience are preferred, while Java + LLM candidates willing to work with Python will also be considered.

Key Responsibilities

AI / ML & Generative AI

  • Design and develop Generative AI and Machine Learning solutions for enterprise applications.
  • Build and deploy LLM-powered applications using models such as Google Gemini, OpenAI, Anthropic Claude, Mistral, Llama, and other open-source LLMs.
  • Implement and optimize Retrieval-Augmented Generation (RAG) pipelines, including advanced RAG techniques.
  • Develop robust prompt engineering strategies, prompt tuning, and reusable prompt templates.
  • Implement agentic frameworks for AI-driven workflows and use cases.
  • Apply guardrails and evaluation techniques to ensure safe and reliable GenAI outputs.

Vector Databases & Data Retrieval

  • Hands-on experience with vector databases, such as:
  • PGVector
  • Pinecone
  • MongoDB Atlas
  • Neo4j
  • Design scalable solutions for semantic search, embeddings, and AI-based retrieval systems.

Deployment & MLOps

  • Deploy GenAI models to production environments.
  • Implement MLOps best practices, including model evaluation, monitoring, and optimization.
  • Build automated CI/CD pipelines using tools such as:
  • Jenkins
  • GitLab CI
  • Azure DevOps
  • ArgoCD

Required Skills

  • Strong foundation in Machine Learning, Data Science, Statistics, and AI fundamentals.
  • Expertise in Natural Language Processing (NLP), Neural Networks, and LLM architectures.
  • Experience building LLM applications using frameworks like Hugging Face and LangChain.
  • Strong understanding of RAG architecture and GenAI application design.

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