Senior Developer - (Java / Linux / AWS / Wire Payments)

Application Deadline :

01 / 11 / 2026

Address :

33 Dundas Street West

Job Family Group : Technology

Role Overview :

We are looking for a Senior Software Developer to lead design and development efforts for wire payment systems. This role requires deep technical expertise in Java, Linux, and AWS, with strong architectural skills and experience in building resilient, scalable, and high-performance solutions using reactive principles.

Key Responsibilities :

Lead the design and development of complex applications in Java on RHEL Linux.

Architect and implement AWS-based solutions using Lambda, DynamoDB, S3, SNS, SQS, and CDK.

Design systems for resilience, scalability, and performance optimization using reactive programming principles.

Provide technical guidance and mentorship to junior developers.

Collaborate with stakeholders to define requirements and deliver robust solutions.

Ensure compliance with security and performance standards.

Qualifications :

• Typically between 7-10+ years of development work experience.
• Bachelor's degree in Computer Science, Engineering, or equivalent experience.
• strong experience in Java development and Linux environments.
• Advanced knowledge of AWS services and cloud architecture.
• Strong design and system architecture skills, including reactive programming concepts (e.g., asynchronous, event-driven systems).
• AWS certification preferred.
• Experience with ISO payment standards is a strong asset.

Salary :

$75,900.00 - $141,900.00

Pay Type : Salaried

The above represents BMO Financial Group's pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group's expected target for the first year in this position.

BMO Financial Group's total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit : https : / / jobs.bmo.com / global / en / Total-Rewards

About Us

At BMO we are driven by a shared Purpose : Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one - for yourself and our customers. We'll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we'll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https : / / jobs.bmo.com / ca / en .

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other's differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters : BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.