Senior Application Developer

Job Description

Application Deadline: 05/08/2026 Address: 401 9th Avenue SW, Suite 1930 Job Family Group: Technology As a Senior Software Engineer at BMO, you will be a hands‑on technical leader responsible for the design, development, and ownership of complex, enterprise‑grade applications and services. You will lead end‑to‑end technical solutions, guide teams through ambiguity, and ensure the delivery of secure, scalable, and business‑aligned 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 end‑to‑end technical design, translating business requirements into scalable, secure, and maintainable solutions. Design and build applications using Java and Spring Boot within a microservices and cloud‑native 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 AI‑assisted tools to analyze large or complex codebases, identify technical debt, and assess cross‑system 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 root‑cause investigations to reduce mean time to resolution and improve system reliability. Troubleshoot and resolve complex system issues, leading root‑cause analysis and implementing long‑term 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, trade‑offs, 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 enterpr

Required Skills