Symbiotic Services - Senior AI Software Engineer - Level I

AI Developer is needed in Toronto, Canada.

Client: Symbiotic Services

Location: Toronto, ON, ca

Contract: Freelance

Job Description

Symbiotic Services is seeking a Senior Software Engineer – AI for a high-impact opportunity with a leading global organization. This role blends innovative, startup-style problem solving with the scale and stability of an established enterprise, focusing on AI-powered solutions that enhance tax and accounting workflows through automation and intelligence.

As a Senior Software Engineer – AI, you will:

• Design and implement complex AI systems, including multi-component pipelines, Retrieval-Augmented Generation (RAG) architectures, and custom AI agents.
• Build and maintain robust testing frameworks, monitoring solutions, and ethical AI practices to ensure system quality, reliability, and compliance.
• Proactively identify risks and performance issues, using data-driven insights to recommend and implement improvements.
• Collaborate closely with Product, UX, and Data/Science teams to align AI capabilities with business goals and translate requirements into technical solutions.
• Conduct proof-of-concepts (POCs) to assess emerging technologies and validate innovative AI use cases.
• Evaluate existing systems and propose architectural, scalability, and efficiency enhancements.
• Continuously stay current with AI advancements and promote adoption of relevant tools and technologies.

Requirements

Required Qualifications

• 5+ years of professional software engineering experience, including 1+ year focused on AI/ML.
• Strong proficiency in Python, with experience developing web applications, distributed systems, and APIs.
• Hands-on experience with AI/ML frameworks such as PyTorch and TensorFlow.
• Solid understanding of modern AI systems, including RAG architectures, AI agents, and agent-based systems.
• Experience integrating AI models into production environments using APIs and data pipelines.
• Knowledge of vector databases, embeddings, and search-driven AI solutions.
• Strong foundation in machine learning principles, model evaluation, system design, and MLOps across the full AI lifecycle.
• Curiosity and enthusiasm for exploring new technologies and engineering approaches.

Preferred Qualifications

• 1–2 years of experience with AWS, including designing, deploying, and operating scalable cloud services (e.g., Lambda, S3, EC2).

Additional Information

What’s in It for You

• Hybrid Work Model: Flexible schedule with a mix of in-office and remote work.
• Flexibility & Work-Life Balance: Supportive policies, including work-from-anywhere options for part of the year.
• Career Development: Strong emphasis on continuous learning, skill development, and long-term growth in an AI-focused environment.
• Competitive Benefits: Comprehensive benefits package including flexible vacation, mental health support, retirement savings, tuition reimbursement, and incentive programs.
• Inclusive Culture: A workplace committed to inclusion, collaboration, and professional wellbeing.
• Social Impact: Opportunities for paid volunteer time and participation in community and ESG initiatives.

Compensation (Ontario, Canada)

• Base Salary Range: $100,000 – $145,000 CAD.
• Compensation is based on experience, skills, and internal equity, and is part of a broader total rewards package that may include bonuses and additional benefits.

Symbiotic Services is proud to represent this opportunity and is committed to a fair, inclusive, and human-centered recruitment process.