Senior Prompt Engineer
Team: Data Science
Location: Toronto , Canada
Commitment: Full-time
Workplace Type: remote
Responsibilities
- Design and optimize client-specific prompts, prompt recipes, and templates for accuracy, reliability, and business rule compliance.
- Define system prompts, tool descriptions, memory strategies, and guardrails for agentic AI frameworks.
- Build agent workflows, task orchestration, and custom tools aligned with customer requirements.
- Develop end-to-end AI solutions, including backend services, APIs, integrations, and custom scripts for testing and automation.
- Apply data science techniques to evaluate prompt performance, conduct error analysis, and benchmark LLMs.
- Create and maintain automated evaluation frameworks to measure quality, cost, latency, and safety.
- Collaborate cross-functionally, mentor junior prompt engineers, and maintain clear documentation.
- Stay current with advancements in LLMs, NLP, agentic AI, and prompting strategies.
Requirements
- Bachelor’s or Master’s degree in Computer Science, Data Science, AI/ML, or a related field.
- 5+ years of hands-on experience in Data Science or applied AI/ML roles.
- Strong expertise in prompt engineering and LLM behavior optimization.
- Proficiency in Python and experience building custom scripts, services, and evaluation pipelines.
- Solid understanding of NLP, machine learning fundamentals, and production AI systems.
- Strong analytical, problem-solving, and communication skills.
Preferred Qualifications
- Experience with large language models (GPT-4, Llama 3, Claude, etc.).
- Familiarity with agentic frameworks, RAG pipelines, and tool calling.
- Exposure to frontend or internal dashboard development.
- Background in linguistics or computational linguistics.
- Experience working in agile, customer-facing environments.
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