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Principal Generative AI Engineer

https://www.citi.com/ Logo

Citi

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Location:
Canada , Mississauga

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

145100.00 - 217700.00 USD / Year
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Job Description:

We are seeking an exceptional Principal Generative AI Engineer to join our team as a highly influential Individual Contributor. This is a pivotal, deeply hands-on role for a truly seasoned software engineer with a profound passion for Generative AI, Large Language Models (LLMs), and agentic frameworks. You will be instrumental in defining, leading the architecture, and personally building and deploying real-world, commercial production systems that tackle the most complex and ambiguous enterprise challenges, moving beyond proofs-of-concept to deliver strategic, firm-wide impact.

Job Responsibility:

  • Define & Lead Architecture: Set the technical vision and architect sophisticated Generative AI applications, LLM-powered solutions, and intricate agentic frameworks
  • Strategize & Pioneer Automation with Agents: Drive the strategic direction for intelligent agent-based automation
  • Establish Containerization Best Practices: Possess expert-level comfort and leadership in container technologies, specifically defining and implementing best practices for deploying and managing mission-critical applications within OpenShift environments
  • Drive Strategic Technical Direction & Ownership: Own and drive critical technical initiatives from conception to production, influencing broad technical strategy and standards across multiple teams and product lines
  • Elevate Engineering Excellence: Act as a key driver for engineering excellence, establishing and upholding rigorous software development best practices
  • Innovate & Shape the Future: Stay at the absolute forefront of Generative AI, actively identifying strategic opportunities, exploring bleeding-edge models, techniques, and frameworks
  • Technical Thought Leadership: Act as a go-to technical expert, providing deep technical leadership, guidance, and mentorship across the organization
  • Overcome Ambiguity & Deliver: Thrive in an agile, fast-paced environment, taking ownership of highly ambiguous and complex problems
  • Lead Responsible AI Implementation: Architect and champion the implementation of robust guardrails, ethical considerations, and responsible AI governance into all solutions

Requirements:

  • 10+ years of progressive professional software engineering experience, with a significant portion dedicated to designing, building, and delivering highly scalable and impactful enterprise-grade solutions in commercial production environments, tackling complex, ambiguous challenges
  • Mastery in Python is non-negotiable, with a profound understanding of its ecosystem for advanced AI/ML development, complex data engineering, and robust backend services
  • Expert-level, hands-on experience with Generative AI concepts, Large Language Models (LLMs), transformer architectures, RAG, and advanced agentic frameworks (e.g., LangChain, LangGraph, Google ADK, Optionally AutoGen, CrewAI, LlamaIndex, Semantic Kernel)
  • Deep and strategic expertise with containerization and orchestration technologies, specifically OpenShift, including leading deployment strategies and troubleshooting complex production issues
  • Demonstrated ability to architect, lead development, and deploy highly performant, large-scale AI/ML systems, defining their long-term technical strategy and ensuring operational excellence
  • Exceptional understanding of modern software development principles, clean code practices, distributed systems, advanced data structures, and algorithms, with the ability to apply them to novel problems
  • Proficiency with Relational (preferably, PostgreSQL) and Vector (preferably, pgvector) databases
  • Bachelor’s degree in Computer Science, Information Technology or Engineering is required
  • a Master's degree is preferred

Nice to have:

  • Proficiency in additional programming languages such as Java, JavaScript/TypeScript, or Golang, especially in polyglot microservices architectures
  • Experience with specific frameworks like Spring (AI, Boot), N8N, or Flask, contributing to their core development or strategic usage
  • Familiarity with messaging and integration platforms such as Kafka or JMS/MQ, including architectural patterns for high-throughput, fault-tolerant systems
  • Experience leading UI development with modern frameworks like React JS or StreamLit for complex, interactive AI applications
  • Practical experience in model risk management, defining and implementing enterprise-wide AI guardrails, and establishing end-user adoption pathways for Generative AI solutions
  • A proven track record of contributing to open-source projects, presenting at industry conferences, or publishing relevant research/whitepapers in AI/ML
What we offer:
  • Define the Future & Impact at Scale: Lead critical, high-visibility projects that are transforming a global enterprise
  • Pioneer Cutting-Edge Technology: Drive the adoption and implementation of the latest Generative AI models, advanced agentic frameworks, and cloud-native technologies, amplified by state-of-the-art AI-assisted development tools like Devin and Copilot
  • Exceptional Growth & Technical Leadership: A culture of continuous learning, technical thought leadership, and opportunities to drive significant technical innovation
  • Benefit from extensive learning resources including Udemy for Business and Pluralsight
  • Highly Collaborative & Influential Environment: Join a highly skilled, passionate team where your technical expertise and strategic vision will be highly valued
  • Flexible Work Environment: Embrace a hybrid working model, balancing productive in-office collaboration (3 days) with the flexibility of working from home (up to 2 days)
  • Global Scale & Challenge: Tackle the most complex problems at a massive global scale

Additional Information:

Job Posted:
March 20, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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