Senior Software Engineer - Full Stack

Toronto, ON
On-site
Posted Sep 11, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Minimum education: Bachelor’s degree
Apply by: Oct 10, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Not Applicable
Application method: Direct apply is available

Job summary

Lead the development of sophisticated full-stack software while ensuring product quality and maintainability. Mentor junior developers and collaborate with product and analytics teams to drive technical requirements and system design.

Job details

What you'll do: 6+ years of software development experience, preferably with Project Lead experience Takes personal responsibility for quality and maintainability of the product and actively identifies areas for improvement Identifies problems/risks of own work and others Understanding of OWASP Possesses empathy with the user of the software they are producing and uses that empathy to guide decision-making Identifies viable alternative solutions and presents them SDLC processes are followed, including adopting agile-based processes/meetings, peer code-reviews, and technical preparations required for scheduled releases Partners with product and analytics and drive requirements that take into account all parties' needs On-boards and mentors less experienced team members Develops sophisticated software with minimum supervision Makes complex contributions to technical documentation/knowledge base and team/engineering presentations Strong ability to mentor and guide junior developers May have role in supervising others or leading small to moderate projects Fixes complex bugs and demonstrates advanced debugging skills Produces quality API documentation and ensures practices are followed Contributes to system design sessions in their area of specialty Expanded Code review responsibilities Performs advanced refactoring Gives constructive feedback to team members Learn industry jargon and business concepts to better understand the challenges our technology is designed to solve Raises roadblocks and updates estimations as needed Ability to communicate complicated concepts to junior staff What we're looking for: Bachelor’s degree in Computer Science or related field, or equivalent years’ experience Minimum of 6 years’ professional experience in Java development Hands-on experience with React and JavaScript Experience working in OS X and Linux environments, Spring, AWS, Microservices, SQL, NoSQL, GIT. Experience working in a scrum and DevOps environment Good understanding of agile application development lifecycle. Experience Designing and building JSON or REST services, experience working with 3rd party APIs, AWS APIs, Docker or other containers, large-scale or distributed web applications, Test Driven Development and functional testing Extensive understanding of various design patterns and OOP paradigm Extensive experience in RESTful and security of API design Intermediate level in at least 1 OOP language Intermediate knowledge in react native and react Intermediate knowledge in Javascript Intermediate knowledge in nodejs Extensive knowledge how NPM package & webpack lifecycle works Experience in IOS/Android development We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

What you’ll do

Requirements

Requires a Bachelor's degree in Computer Science and at least 6 years of professional experience in Java development. Proficiency in React, JavaScript, AWS, and microservices architecture is essential.