Team Lead, Senior Fullstack Engineer

Job summary

You will lead the development of frontend and backend features for a modern AI SaaS platform while owning architecture and design decisions. You will collaborate with cross-functional teams to translate business needs into scalable, user-facing product experiences.

Job details

Location: Hybrid – Toronto (2 days/week in office) Type: Full-time | Permanent A fast-growing AI software company is hiring a Team Lead, Senior Full Stack Software Engineer in Toronto to help build a modern enterprise platform used to manage, monitor, and scale AI systems. The company is growing rapidly, shipping major releases, and expanding its Toronto engineering team. This is a product-focused full stack role where you’ll own features end-to-end across frontend (mostly), backend, architecture, and user experience. Ideal for engineers who like solving business problems, shipping quickly, and building products users rely on daily. 🛠 What You’ll Do • Build and evolve frontend and backend product features across a modern SaaS platform • Design dashboards, workflows, analytics views, and user-facing systems • Own architecture decisions and help implement scalable engineering practices • Use AI-assisted development tools to improve quality and speed • Collaborate closely with product, design, ML, infrastructure, and security teams • Translate ambiguous business needs into clean product experiences ✅ What We’re Looking For • 5+ years of full stack software engineering experience • Strong frontend skills with React / TypeScript or equivalent frameworks • Strong backend experience with Java / Spring Boot or comparable stacks • Excellent product sense and experience shipping customer-facing software • Strong system design skills and ability to own features end-to-end • Startup experience or 0→1 product building is highly valued

What you’ll do

You will lead the development of frontend and backend features for a modern AI SaaS platform while owning architecture and design decisions. You will collaborate with cross-functional teams to translate business needs into scalable, user-facing product experiences.

Requirements

Candidates must have at least 5 years of full stack experience with proficiency in React, TypeScript, Java, and Spring Boot. Strong system design skills and a background in startup or 0-to-1 product environments are highly valued.

Listed skills

• React · Preferred
• AI-assisted development · Preferred
• TypeScript · Preferred
• Product Development · Preferred
• Java · Preferred
• Spring Boot · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Fullstack Engineering
• React
• Typescript
• Java
• Spring Boot
• System Design
• Architecture
• SaaS
• Product Development
• AI-assisted Development
• Frontend Development
• Backend Development
• User Experience
• Cloud Infrastructure
• Security

Job areas

• Software
• Technology
• Engineering
• Management & Leadership
• Data & Analytics