Senior Agentic AI Developer

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About the role

  • Senior Agentic AI Developer building reliable agentic AI systems for Osedea, a Montreal tech development firm. Designing production architectures, integrations, evaluations, and workflows for clients.

Responsibilities

  • Design, develop, and deploy production-grade AI agents and agentic platforms and workflows for complex business challenges
  • Architect systems combining agentic harnesses, LLMs, tool calling, external APIs, enterprise data, and existing software applications
  • Build agent orchestration workflows including state management, context engineering, memory, and human-in-the-loop interactions
  • Define and implement evaluation, testing, observability, and monitoring practices for agent reliability, performance, cost, and security
  • Make architectural decisions balancing autonomy, predictability, scalability, cost, and maintainability
  • Collaborate with clients and multidisciplinary teams to identify opportunities, assess technical feasibility, and translate business needs into practical AI solutions
  • Own technical delivery from solution design and prototyping through deployment and continuous improvement
  • Evaluate emerging models, frameworks, and development approaches
  • Share knowledge, mentor colleagues, and contribute to Osedea's Agentic AI development practices

Requirements

  • 5+ years of professional software architecture and development experience
  • Hands-on experience building production-grade agentic systems
  • Strong software development and architecture fundamentals, including system architecture, APIs, asynchronous processing, testing, and cloud deployment
  • Capacity for end-to-end infrastructure design: storage, compute, identity & policy management
  • Demonstrated experience designing and delivering AI-powered applications beyond the proof-of-concept stage
  • Solid understanding of agentic architectures, including tool use, orchestration, context management, and retrieval-augmented generation (RAG)
  • Experience integrating harnesses, agents or LLMs with external services, internal systems, and existing enterprise data and infrastructure
  • Ability to evaluate AI system quality and reliability, troubleshoot complex behaviours, and make informed technical trade-offs
  • Comfortable working with fast-evolving technologies, tools, standards and best practices
  • Builder mindset with strong architectural credentials and proficiency with agentic engineering building blocks and how they fit together
  • Strong collaboration and communication skills, including the ability to navigate ambiguity, explain technical decisions to clients and teammates, and take initiative
  • Intermediate or conversational French (minimum)
  • Proficiency in Python and modern backend development practices
  • Proficiency with LLM APIs and SDKs such as OpenAI, Anthropic Claude, or Google Gemini
  • Proficiency with agent orchestration frameworks such as Microsoft Agent Framework, LangGraph/LangChain, OpenAI Agents SDK, or equivalent
  • Proficiency with harnesses and plugin design using platforms such as Codex, Claude Code, or Pi
  • Knowledge of ACP, MCP, Skill standards and other agentic engineering best practices
  • Context engineering methods, including cache hit optimization
  • Retrieval methods: RAG, embeddings, vector search, graph search and lookup
  • Tool integration: function calling, API integrations, and patterns for connecting agents to external tools
  • Quality and reliability practices: automated testing, agent evaluations, tracing, observability, and error handling
  • Infrastructure experience with AWS, Azure, or Google Cloud, CI/CD, and production deployment practices
  • Academic background is not specifically required; proven technical skills, curiosity, and practical experience are valued over a specific academic background or fixed technology stack

Benefits

  • Competitive Salary and contribution to your pension plan (RRSP)
  • Flexible hours of work and choose how you work
  • Work from anywhere up to 8 weeks
  • Paid sabbatical
  • Wellness and productivity spending account
  • Parental program
  • Activities
  • Training

Job title

Job type

Full Time

Experience level

Senior

Salary

Not specified

Degree requirement

No Education Requirement

Tech skills

AWSAzureCloudPython

Location requirements

HybridMontrealCanada

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