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Senior AI Developer (RAG, Agents & Microservices) | Onsite | Salary in Euros | Ontario Canada

HR Ways190 open roles

Where
Ontario, Canada
Work mode
On site
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Your applicationOpen nowSenior AI Developer (RAG, Agents & Microservices) | Onsite | Salary in Euros | Ontario CanadaHR Ways · Ontario, Canada

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. HR Ways postings stay open a median of 5 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.7%14 days
  5. 35.6%30 days
  6. 58.0%60 days
This job: first seen 5 days ago

HR Ways median: 5 days open

The posting

Job Title: Lead / Senior AI Developer (RAG, Agents & Microservices)

Location: Canada

About client:

A global IT and consulting company based in Bangalore, India, providing IT services to clients worldwide across multiple industries.

Position Overview

We are seeking an experienced AI Developer to build, optimize, and maintain production-grade GenAI systems. In this role, you will design native RAG pipelines, architect agentic workflows, and optimize context engineering for high-reasoning output. We emphasize transparent, minimal-framework AI development—focusing on raw API integrations, HTTP clients, and robust Python microservices built with FastAPI over heavy abstraction layers.

Key Responsibilities

  • Build Native RAG Pipelines: Architect and implement custom chunking strategies, embeddings, hybrid search, re-ranking mechanisms, and domain-specific retrieval logic.
  • Agentic Orchestration: Design and deploy multi-step AI agents featuring working memory, function calling/tool execution, state tracking, and deterministic control flows.
  • Context Engineering & Optimization: Optimize prompts, context packing, and token economics to balance high reasoning quality with minimal latency and inference costs.
  • Microservice Development: Build, deploy, and maintain transparent, highly debuggable AI microservices using FastAPI.
  • Structured Data Extraction: Implement deterministic extraction pipelines using Pydantic models, custom JSON schemas, and advanced structured-output prompting.
  • Testing, Observability & Debugging: Instrument end-to-end tracing, logging, token usage metrics, and latency monitoring. Write robust unit tests for agents and regression test suites for RAG components.

Required Qualifications

  • Software Engineering: Strong core software engineering fundamentals with advanced-intermediate to expert-level Python skills (including asyncio, concurrency patterns, and performance tuning).
  • AI Architecture: Hands-on experience building transparent AI systems using standard Python libraries, HTTP clients (httpx, requests), and minimal-framework patterns rather than relying solely on high-level abstractions.
  • API & Backend: Proven track record of developing production REST APIs and microservices using FastAPI.
  • Structured Outputs: Deep experience with Pydantic validation, JSON schema design, and structured extraction techniques.
  • Ecosystem Knowledge: Familiarity with Google Enterprise Conversational Search/Extension tools (GECX).
  • Evaluation & Operations: Experience with prompt-level debugging, evaluation frameworks, and instrumenting tracing/observability for agentic workflows.

Technical Skillset

CategoryCore Competencies

GenAI & RAGNative RAG, Hybrid Search, Re-ranking, Context Packing, Prompt Engineering

Agentic AIState Machines, Tool Execution, Working Memory, Deterministic Orchestration

Python EcosystemPython 3.x, asyncio, Concurrency, Pydantic, HTTP Clients, Unit Testing

Frameworks & APIsFastAPI, Google GECX, RESTful APIs, JSON Schema Extraction

LLMOps & MonitoringTracing, Latency/Cost Optimization, RAG Regression Testing

Experience: 6 + Years

Location: Canada

Work Mode: Onsite

Salary Range: Based on Experience

About HR Ways: "HR Ways is an Award winning Technical Recruitment Firm helping software houses and IT Product companies internationally and locally to find IT Talent. HR Ways is engaged by 300+ Employers worldwide ranging from worlds biggest SaaS Companies to most competitive Startups. We have entities in Dubai, Canada, US, UK, Pakistan, India, Saudi Arabia, Portugal, Brazil and other parts of the world. Join our WhatsApp Channel https://whatsapp.com/channel/0029VamSiLr5fM5fMtAdCS2M to stay updated or visit www.hrways.co to know more."

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