Apexon is a digital engineering services company helping organizations build modern, scalable technology solutions. In this role, you’ll have the chance to work with experienced engineering teams on high-impact financial technology platforms and distributed systems .

We are looking for a Senior Software Engineer to design and build highly scalable, secure, and high-performance solutions for a core banking platform .

You’ll join a cross-functional engineering team building and enhancing a distributed, microservices-based platform that processes high volumes of financial transactions. This role offers an opportunity to contribute to system architecture, technical design, product design, and end-to-end feature delivery .

What You’ll Do Design, develop, and deliver high-quality backend features and enhancements

Own the end-to-end delivery of large-scale initiatives spanning 3+ months

Create and contribute to technical and system design specifications

Participate in sprint planning, estimation, and technical discussions

Design and build secure, scalable, distributed systems

Optimize application and system performance to meet defined SLAs

Conduct peer code reviews and promote engineering best practices

Mentor junior engineers and contribute to a strong engineering culture

Collaborate closely with product, engineering, and cross-functional teams





What You Bring 7+ years of professional software development experience

Strong experience with microservices architecture and distributed systems

Strong proficiency in Python ;

experience with another object-oriented language is also considered

Strong SQL skills and experience with MySQL

Solid understanding of RDBMS concepts , including transactions, isolation levels, locking, and deadlocks

Experience with RabbitMQ or similar message brokers

Experience with Docker and containerized environments

Experience with GitHub or similar source-code repositories

Comfortable working in Unix/Linux environments

Strong communication, collaboration, and problem-solving skills

Nice to Have Experience integrating with Payroll Providers and Time & Attendance platforms

Experience with cloud computing platforms

Experience working in financial services, banking, or other high-volume transaction environments

Education Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field

Degree must be from a Canadian or U.S. university

Additional Information Benefits: Currently, benefits are not available in Canada; a benefits proposal has been submitted to leadership

We are an Equal Opportunity Employer

We are committed to providing an accessible, inclusive, and collaborative work environment

📌 Python Developer (Toronto)
🏢 Apexon
📍 Toronto