Agilus by Synergie is recruiting for a Senior Full-Stack Developer – Node.js/React in the financial services in a hybrid work environment in Toronto, Ontario. We are seeking a Senior Full-Stack Developer to join a collaborative and innovative product engineering team. This is a hands-on individual contributor role for someone comfortable leading technical initiatives, mentoring developers and providing direction in situations where requirements may not be fully defined. The successful candidate will contribute to both new application development and ongoing platform improvements while helping the team solve a variety of technical and product challenges. Responsibilities: Lead technical initiatives ranging from smaller improvements to larger, cross-functional projects Design and develop scalable backend APIs using JavaScript and Node.js Build modern, responsive web applications using React Mentor junior and intermediate developers Help establish technical direction and challenge existing approaches when appropriate Work through ambiguity and take ownership of solutions from concept through delivery Collaborate with product, engineering and other stakeholders Support infrastructure-as-code and cloud-based development practices Successful candidates will have: Strong JavaScript and Node.js experience, particularly building backend APIs Experience developing modern web applications with React Solid understanding of AWS and cloud-native application development Experience with infrastructure as code, preferably Terraform Experience working with messaging queues or event-driven architectures Demonstrated ability to lead technical projects as an individual contributor Experience mentoring or supporting the development of junior and intermediate team members Strong problem-solving skills and the ability to work effectively through ambiguity Total rewards: $80.00 - $100.00 hourly Additional Consideration given to: TypeScript Styled Components or similar frontend styling frameworks Containerization technologies such as Docker CI/CD pipelines and automated testing Experience working in product-focused or financial technology environments This posting is for an active opening.