About this role
Job Description Senior Full Stack Software Engineer at a glance... Location: Toronto, ON Hybrid: 3 days/week
We’re hiring a Senior Full Stack Software Engineer to join one of our product engineering pods, building and evolving features end-to-end across frontend and backend systems. You’ll partner closely with product managers, designers, and other engineers to ship high-quality, reliable software that directly affects user experience and product outcomes. This role is hands-on and highly collaborative — the ability to communicate clearly, present technical decisions, and align cross-functional partners is as important as the code you write.
What's on the menu?
Product Development
• Design and implement end-to-end product features across frontend and backend
• Build responsive, performant user interfaces using React (TypeScript)
• Develop scalable APIs and backend services using Python (FastAPI)
• Translate product requirements into clean, maintainable code
System Design & Implementation
• Contribute to application architecture and technical design decisions
• Ensure code quality, performance, and scalability of services
• Work with relational databases — data modeling, schema, and migrations
• Integrate with internal and external APIs
Quality & Delivery
• Write unit and integration tests to ensure reliability
• Participate in code reviews and uphold engineering standards
• Contribute to CI/CD workflows and deployment processes
• Troubleshoot, debug, and resolve production issues
Collaboration & Communication
• Partner with product managers and designers to refine requirements and shape solutions
• Communicate technical trade-offs and risks clearly to both technical and non-technical stakeholders
• Present technical designs, approaches, and post-mortems in team forums and reviews
• Mentor junior and mid-level engineers; share knowledge across the pod
• Participate actively in sprint planning, stand-ups, retrospectives, and other team routines
Recipe for Success - apply now if this sounds like you!
• 5+ years of experience in software engineering
• Strong hands-on experience with:
• JavaScript / TypeScript (React)
• Python (FastAPI)
• RESTful API design and backend development
• SQL and database design
• Experience building and shipping production-grade applications
• Experience working with cloud platforms (Azure preferred)
• Strong understanding of modern software engineering practices
• Ability to work independently and take ownership in a product-focused team
• Communication & Soft Skills:
• Excellent written and verbal communication skills in English — fluent professional proficiency required
• Confident presenting technical concepts, trade-offs, and decisions to engineers, product managers, and senior stakeholders
• Strong active-listening and stakeholder-management skills; able to navigate ambiguity and align partners around solutions
• Comfortable giving and receiving constructive feedback in code reviews, design discussions, and retrospectives
• Collaborative, low-ego, and pragmatic — prioritizes team and product outcomes over individual preference
• Experience with automated testing and CI/CD pipelines preferred
• Performance optimization experience preferred
• Experience with observability tooling preferred
• Experience working in Agile environments preferred
• Experience mentoring engineers or leading technical discussions preferred
Location(s) Toronto - Queen's Quay - Headquarters
Kraft Heinz is an Equal Opportunity Employer – Underrepresented Ethnic Minority Groups/Women/Veterans/Individuals with Disabilities/Sexual Orientation/Gender Identity and other protected classes.