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. ABOUT US Kraft Heinz is a global food company with a delicious heritage. With iconic and emerging food and beverage brands around the world, we deliver the best taste, fun and quality to every meal table we touch. We’re on a mission to disrupt not only our own business, but the global food industry. A consumer obsession and unexpected partnerships fuel our progress as we drive innovation across every part of our company. Around the world, our people are connected by a culture of ownership, agility and endless curiosity. We also believe in being good humans, who are working to improve our company, communities, and planet. We’re proud of where we’ve been – and even more thrilled about where we’re headed – as we nourish the world and lead the future of food. WHY US We grow our people to grow our business. We champion great people who bring ambition, curiosity, and high performance to the table as the guardians of our beloved and nostalgic brands. Good isn't good enough. We choose greatness every day by challenging the ordinary and making bold decisions. All while celebrating our wins - and our failures – as we work together to lead the future of food. Challenging the status quo takes talent. We invest in your purpose and potential by developing skills and nurturing strengths that leave a legacy on our business and a lasting impact on your career. Because great people make great companies, and we’re growing something great here at Kraft Heinz. INCLUSION MATTERS TO US Everyone is welcome at our table. In fact, we thrive on learning and growing from our diverse backgrounds and perspectives. Doesn’t matter who you are, where you’re from, or who makes your heart sing. We want you to show up as your authentic self, excited to work with amazing colleagues to solve complex challenges and innovate in an ever-changing industry. We’re committed to: Hiring and growing talent from diverse backgrounds and perspectives. Growing our Business Resource Groups — vibrant, celebrated communities that enhance our business through thought leadership employee engagement and professional development opportunities. Providing our managers and leaders high quality learning experiences to explore how to foster inclusion and belonging.