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
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)
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