Senior Application Developer, IT

Job summary

Analyze, develop, test, and deploy application changes and enhancements, ensuring solutions are high-quality, scalable, maintainable, and aligned with modernization plans and architecture roadmaps. Contribute to estimates and risk assessments, collaborate with stakeholders, uphold development standards, and guide junior team members.

Job details

We are hiring a Senior Application Developer, IT Reporting To Director and Team Lead Full-Time/Part-Time Posting Date: Full-Time October 13, 2026 Closing Date October 27, 2026 Salary Range $108,034 - $128,034 Hours Of Work 8:30 a.m. – 5:00 p.m. Grade Office Location: 14.4 Toronto, ON What We Offer Highly competitive compensation package which includes base salary, bonus, benefits, and career advancement opportunities! Eligibility for benefits is dependent on the terms of employment The Opportunity The Senior Application Developer working within a cross-functional product team, will be responsible for analyzing, developing, and implementing application changes and enhancements. The Senior Application Developer develops solutions ensuring quality, scalability, and maintainability. The Senior Application Developer will provide guidance to junior members on their team. How You Will Contribute Participate actively in all phases of development, including research, design, coding, testing, and deployment. Participate in effort estimations and contribute to impact and risk assessments during early project stages. Ensure alignment with application modernization plans and architecture roadmaps. Ensure adherence to best practices, coding standards, and design principles across the team. Ability to work with various stakeholders to gather consensus and make informed decisions. The Experience You Need Skills and Attributes: COBOL, DB2, IBM iSeries experience. Excellent verbal and written communication skills. Strong technical skills and hands on development and production support experience with legacy mortgage administration systems. Experience and understanding of the mortgage lifecycle. Experience in the mortgage industry Experience with Mortgage Administration Systems Strong analysis/debugging skills to help remove blockers for the team. Strong organizational skills with the ability to prioritize and multitask effectively. Education/Certification/Experience Requirements Post-secondary education in Computer Science, Information Technology, or a related field. Minimum 7+ years of experience in application development. Working knowledge of UML and other architecture modelling notations (class diagrams, sequence diagrams, use cases, etc.). Strong understanding of OOP concepts and frameworks. Ability to quickly learn and adapt to new technologies. Proven analytical and problem-solving capabilities. Nice To Have .NET, Angular, Blazor REST, SOA Entity Framework, MS SQL Working Environment And Physical Demands Analysis Office environment Periods of high volume with tight timelines Long periods of stationary position/sitting Prolonged periods of repetitive movement (i.e. using a keyboard and mouse) Long periods of time in viewing a computer screen Multi-tasking may include speaking to customers on a telephone call while looking up information on a computer program. Why join First National? Competitive Compensation Comprehensive benefits program (i.e., Health Spending Account, Maternity and Parental Leave Top Up) Virtual work environment Extensive training programs to set our employees up for success Modern office environment conducive to collaboration Supportive teamwork culture Opportunities to give back to the communities and work through events focused on a variety of charities Ongoing social events throughout the year The Team You’ll Join Founded in 1988, First National is one of Canada’s largest non-bank lenders. We provide residential mortgages exclusively through the mortgage broker channel and we are Canada’s largest commercial mortgage lender. First National has been consistently recognized as a great place to work and we are proud that our employee engagement feedback is higher than our industry partners. We would like to thank all applications for their interest in this existing vacancy but only candidates selected for an interview will be contacted. First National is proud to be an equal opportunity employer and is committed to diversity and inclusion regardless of race, color, religion, national origin, age, gender identity, physical or mental disability, sexual orientation and any other category protected by law. First National supports requests for accommodation from applicants with disabilities; please contact Human Resources at accessibility@firstnational.ca should you need an accommodation at any point in the recruitment process. Artificial Intelligence is not used in our recruitment or hiring process for this role. #FNLOON

What you’ll do

Analyze, develop, test, and deploy application changes and enhancements, ensuring solutions are high-quality, scalable, maintainable, and aligned with modernization plans and architecture roadmaps. Contribute to estimates and risk assessments, collaborate with stakeholders, uphold development standards, and guide junior team members.

Requirements

Requires post-secondary education in Computer Science, Information Technology, or a related field, at least seven years of application development experience, and hands-on experience with COBOL, DB2, IBM iSeries, and legacy mortgage administration systems. Candidates should understand the mortgage lifecycle, UML and object-oriented programming, and demonstrate strong communication, analytical, debugging, organizational, and problem-solving skills.

Benefits

• Bonus
• Health Spending Account
• Maternity and Parental Leave Top-Up
• Training Programs
• Career Advancement Opportunities

Listed skills

• COBOL · Preferred
• REST APIs · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• COBOL
• DB2
• IBM iSeries
• Application Development
• Mortgage Administration Systems
• Mortgage Lifecycle
• Production Support
• UML
• Object-Oriented Programming
• Analysis and Debugging
• Risk Assessment
• Stakeholder Communication
• Software Testing
• Application Modernization
• REST
• Microsoft SQL Server

Job areas

• Software
• Technology
• Finance & Accounting

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