Lead Full Stack Developer

Toronto, ON
Hybrid
Posted Oct 19, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Associate
Application method: Direct apply is available

Job summary

Lead end-to-end technical delivery and development teams, designing and implementing advanced software solutions aligned with business objectives. Build and productionize generative AI systems, collaborate with stakeholders and data scientists, and guide technical decisions, documentation, and cross-functional delivery.

Job details

Position: Lead Full Stack Developer Location: Toronto, On – Hybrid Job Summary: Designs, develops, and oversees the implementation of advanced technical solutions, ensuring alignment with business objectives and adherence to best practices, while managing the end-to-end technical delivery of projects. Build Gen AI system frameworks, Prompt Engineering, including designing and refining prompts to optimize LLM outputs, implementing Gen AI systems into production. Leads development teams in the delivery of capabilities, providing technical direction and guidance to junior developers and team members and ensuring the successful execution of complex assignments and projects Collaborates with business stakeholders and product owners to translate strategic objectives into actionable technical solutions, leveraging advanced knowledge to address unique and high impact challenges. You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing technical documentations. Executes on software development tasks or projects, requiring advanced problem solving, decision making and strategic thinking with some ambiguity. Drives decisions on complex issues to develop clear, actionable recommendations for management, ensuring alignment on processes, tools and services with impact across other areas. Leverages advanced and creative skills to resolve complex software development related problems, fostering cross functional collaboration to identify and implement innovative solutions. Leads and facilitates cross functional collaboration efforts, fostering strong internal relationships across the organization and external partnerships to achieve impactful business outcomes. Required Skills: 7+ years of backend development experience in Java or Python Strong backend development experience in Java or Python, including REST API and microservices Strong experience with React and modern frontend development, including Micro-frontend (MFE) architectures and reusable UI components Hands-on experience or strong understanding of Agentic AI concepts, LLM integrations Understanding of prompt engineering and Gen-AI Development tools (GitHub Copilot, Windsurf, Claude Code) Experience with Cloud platforms and technologies (OpenShift, Kubernetes, S3 Object Storage) Experience working with relational databases particularly PostgreSQL, including schema design, query optimization and performance tuning. Regards Patrick Fernandez Talent Acquisition Group - Strategic Recruitment Manager

What you’ll do

Requirements

Requires 7+ years of backend development experience with Java or Python, including REST APIs and microservices, plus strong React and modern frontend experience. Candidates should have experience or understanding of agentic AI and LLM integrations, prompt engineering and generative AI tools, cloud technologies, and PostgreSQL schema design and performance tuning.