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Senior AI Developer (GenAI / LLM)

Mamsys World

Mississauga · Hybrid Full-time Senior Today

About the role

Role Overview

We are seeking experienced Senior AI Developers with strong expertise in Generative AI and Large Language Models (LLMs). The ideal candidate will have hands-on experience in building, deploying, and optimizing AI-powered applications, with a strong foundation in Python and modern AI/ML frameworks.

Key Responsibilities

AI/ML & GenAI Development

  • Design, develop, and deploy AI/ML and GenAI-based applications
  • Build and optimize LLM-powered solutions using models such as Gemini, OpenAI, Claude, Mistral, and Llama
  • Implement and enhance Retrieval-Augmented Generation (RAG) pipelines, including advanced techniques
  • Develop and fine-tune prompt engineering strategies and reusable prompt templates
  • Work with agentic frameworks for AI-driven use cases
  • Apply guardrails and evaluation frameworks to ensure performance, safety, and reliability

Programming & Data Engineering

  • Develop scalable solutions using Python (mandatory)
  • Utilize libraries such as Pandas, NumPy, scikit-learn, PyTorch, TensorFlow, Transformers, FastAPI, LangChain, and LlamaIndex
  • Integrate GenAI capabilities with enterprise systems via APIs and orchestration tools
  • Work with vector databases (PG Vector, Pinecone, MongoDB Atlas, Neo4j)
  • Handle and process large volumes of unstructured data

Deployment & MLOps

  • Deploy LLM/GenAI models into production environments
  • Implement MLOps best practices, including model evaluation and monitoring
  • Build and manage CI/CD pipelines using tools like Jenkins, GitLab CI, Azure DevOps, or ArgoCD

Cloud & Infrastructure

  • Deploy and manage applications using Kubernetes/OpenShift
  • Work in cloud-native environments with scalable and containerized architectures

Required Qualifications

  • 8–10 years of experience in application development or systems analysis
  • Strong foundation in Machine Learning, NLP, Neural Networks, and Data Science
  • Hands-on experience with LLMs and GenAI frameworks
  • Proven expertise in RAG pipeline implementation (critical requirement)
  • Strong proficiency in Python (mandatory)
  • Experience with LLM deployment and MLOps (critical)

Skills

AIArgoCDAzure DevOpsClaudeData ScienceFastAPIGeminiGenAIGitLab CIJenkinsKerasKubernetesLangChainLlamaLlamaIndexLLMMachine LearningMistralMongoDB AtlasNeo4jNLPNumPyOpenAIOpenShiftPandasPG VectorPineconePythonPyTorchRAGscikit-learnTensorFlowTransformers

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