Senior Application Developer

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As a Senior Software Engineer at BMO you will be a handson technical leader responsible for the design development and ownership of complex enterprisegrade applications and services. You will lead endtoend technical solutions guide teams through ambiguity and ensure the delivery of secure scalable and businessaligned systems within a modern cloud and microservices ecosystem.

This role combines deep technical expertise with strong leadership mentorship and accountability for solution quality and outcomes.

Key Responsibilities

• Own the design development and ongoing health of complex applications or services taking accountability for technical quality resiliency and performance.
• Lead endtoend technical design translating business requirements into scalable secure and maintainable solutions.
• Design and build applications using Java and Spring Boot within a microservices and cloudnative architecture.
• Lead and support application integrations using APIs MQ Kafka and SFTP (RESTful services JSON XML).
• Develop and optimize data solutions using Oracle SQL.
• Use AIassisted tools to analyze large or complex codebases identify technical debt and assess crosssystem impacts during design modernization and change initiatives.
• Apply AI to accelerate solution design exploration architecture evaluation prototyping and test strategy improvement.
• Leverage AI during complex production issue analysis incident triage and rootcause investigations to reduce mean time to resolution and improve system reliability.
• Troubleshoot and resolve complex system issues leading rootcause analysis and implementing longterm fixes.
• Set and enforce engineering standards for code quality testing (SIT/UAT) security performance and SDLC best practices.
• Provide technical leadership and mentorship to junior and intermediate engineers across coding standards solution design testing practices and modern engineering approaches.
• Mentor and guide engineers on the effective responsible and judicious use of AI throughout the software development lifecycle.
• Guide teams through technical ambiguity helping define direction tradeoffs and implementation approaches.
• Collaborate with business partners architects and product teams to ensure solutions are aligned with business priorities.
• Contribute to continuous improvement of engineering processes tools and delivery practices.

Leadership & Ownership Expectations

• Demonstrated ownership of applications or services with the ability to clearly explain what was built your role and the business and technical impact delivered.
• Experience setting clear expectations for development quality delivery timelines and engineering best practices.
• Proven ability to influence technical decisions and raise the bar for team performance system quality and operational excellence.
• Experience working in enterprise environments; banking or financial services experience preferred.
• Ability to set the standard for responsible AI usage including adherence to data privacy security and regulatory compliance expectations.

Required AI Capabilities

• Handson experience using AIassisted coding or developer productivity tools such as Microsoft Copilot GitHub Copilot or similar tools in daytoday development workflows.
• Strong judgment and accountability in reviewing validating and refining AIgenerated code designs and technical recommendations to ensure correctness security maintainability and alignment with enterprise standards.
• Solid understanding of responsible ethical and secure AI usage in an enterprise environment including data privacy intellectual property protection regulatory considerations and secure software development practices.

Qualifications & Experience

• 6 years of professional software development experience with a related postsecondary degree or equivalent experience.
• Handson experience delivering production systems in large complex enterprise environments.
• Strong communication skills with the ability to articulate complex technical concepts to both technical and nontechnical stakeholders.

Technical Skills

• Languages & Frameworks: Java Spring Boot
• Architecture: Microservices distributed systems
• Integration: APIs MQ Kafka SFTP; REST JSON XML
• Databases: Oracle SQL
• Cloud: AWS (EC2 EKS Lambda S3 RDS Redshift Bedrock)
• SDLC & Testing: Full SDLC ownership SIT/UAT

AI & Cloud Experience

• Recent AI / GenAI experience (within the past 3 months) using AI to solve real technical or business problems including:
  • AIassisted code analysis refactoring and technical debt assessment
  • AIenabled design exploration prototyping and test strategy improvement
  • AIsupported production issue investigation and rootcause analysis
• Experience integrating AI/ML/GenAI tools or consuming AI services and APIs (e.g. Microsoft Copilot ChatGPT Claude).
• AWS experience within the past 12 months including deploying hosting and supporting applications in AWSbased environments.

Work Model

• Hybrid 23 days per week in office

The above represents BMO Financial Groups 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 Groups expected target for the first year in this position.

BMO Financial Groups 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: 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. Well 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 well help you gain valuable experience and broaden your skillset.

To find out more visit us at is committed to an inclusive equitable and accessible workplace. By learning from each others 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.