Senior Full-Stack Developer – E-Commerce & Observability (Remote, Boucherville)

We require all our head office associates to be proficient in French, spoken and written. Position is REMOTE : The selected candidate must reside within 250 km of our BOUCHERVILLE (Qc) office. At RONA, our employees let their passion blossom every day. Our teams are driven by the desire to help people bring their projects to life and are committed to making a difference in the communities we serve. We operate or service corporate and affiliated dealer stores. With a distinctive product and service offering and complementary store formats ranging from neighbourhood hardware stores to big box stores, our RONA, RONA and Dick’s Lumber banners are well equipped to help meet the needs of all DIYers and contractors. You’ve got the talent? We’ve got the tools! Here, your work and ideas will contribute to building a flourishing organization. Your voice will always be heard and valued. You’ll find career opportunities that live up to your ambitions and be able to further develop your unique set of skills. So, if you’re looking to do what you love, we could be a perfect match. About the Role We are looking for a Senior Full-Stack Developer to join our e-commerce technology team and contribute to the evolution, scalability, and operability of our digital platforms, including rona.ca. Reporting to the IT Manager, you will be part of a SCRUM Agile team, responsible not only for building high-quality e-commerce solutions, but also for ensuring system reliability, performance, and observability across our platforms. This role requires strong full-stack expertise using modern JavaScript frameworks and backend technologies, combined with a strong mindset around monitoring, logging, tracing, and incident analysis. You will also learn and develop on the VTEX IO platform, which powers our e-commerce ecosystem. No prior VTEX experience is required - training and onboarding will be provided. Key Responsibilities Design, develop, and maintain scalable full-stack solutions using ReactJS, Node.js, and Next.js Participate in the full software development lifecycle, from requirements gathering to production support Contribute to the observability strategy of our platforms by implementing and maintaining monitoring, logging, and alerting best practices Integrate and leverage observability tools to track application performance, errors, availability, and user impact Learn and build applications on the VTEX IO platform, including integrations with VTEX APIs (Catalog, Checkout, OMS, etc.) Collaborate with Product, UX, QA, and DevOps teams to deliver reliable and resilient solutions Analyze production incidents, perform root cause analysis, and contribute to continuous improvement initiatives Ensure high standards of code quality, performance, scalability, security, and reliability Actively participate in Agile ceremonies and technical design discussions Required Qualifications 6 years of professional experience in software development Strong experience with ReactJS, Node.js, and / or Next.js Solid understanding of micro-frontend architectures and scalable system design Proven experience designing and integrating RESTful APIs (GraphQL is an asset) Strong proficiency in modern JavaScript (ES6) and asynchronous programming Experience with state management libraries such as Redux Hands-on experience with CI / CD pipelines, build tools, linters, and bundlers Proficiency in HTML5, CSS3, and CSS preprocessors (SASS, LESS) Experience with responsive design, cross-browser compatibility, and performance optimization Familiarity with observability concepts such as monitoring, logging, distributed tracing, SLIs / SLOs, and alerting Experience working in Agile / Scrum environments using tools such as Git, GitLab, Jenkins, Jira, VS Code, and SonarQube Assets (Nice to Have) Experience integrating and using Datadog (APM, logs, metrics, dashboards, alerts) Hands-on experience with application performance monitoring (APM) and production troubleshooting Exposure to e-commerce platforms or high-traffic transactional systems Experience with Golang Experience with Flutter Familiarity with cloud-native or containerized environments Why Join Us Work on large-scale e-commerce platforms serving millions of customers Play a key role in improving system reliability, performance, and observability Opportunity to develop expertise in VTEX IO, a leading global e-commerce platform Collaborative, Agile, and engineering-driven environment Access to modern technologies and continuous learning opportunities Real impact on customer experience and platform stability By joining the RONA family, you’ll enjoy many benefits, such as : A childcare centre that can accommodate up to 78 children A cafeteria with a delicious menu prepared by a dedicated chef, healthy options, as well as FARO Roasting Houses and Tim Hortons coffee stations Electric car charging stations A fitness centre, sports activities, and showers Exclusive employee discounts, plus a 10% discount on store merchandise (at all RONA locations) Benefits : retirement savings plan, annual bonuses, student incentive program, etc. Career growth opportunities within the company An inclusive and safe working environment Promotion of work-life balance An employer that’s involved in the community And much more! If selected for an interview, please advise our Human Resources team if you require accommodation during the interview and assessment process and we will work with you to meet your accessibility needs. RONA is committed to encouraging diversity and inclusion. We are pleased to consider applications from all qualified candidates, regardless of race, colour, religion, sexual orientation, gender, nationality, age, disability, or any other protected status.