Senior Java / AWS Specialist

Application Deadline :

02 / 19 / 2026

Address :

1200 E. Warrenville Road

Job Family Group : Technology

We are looking for a highly skilled Senior Development Specialist with expertise in Java and AWS to lead the design, development, and deployment of scalable cloud-based applications. The ideal candidate will have deep knowledge of Java development, AWS cloud services, microservices architecture, and DevOps practices. This role involves mentoring junior developers, optimizing system performance, and collaborating with cross-functional teams to deliver high-quality solutions.

Key Responsibilities :

• Application Development & Architecture :
• Design, develop, and maintain scalable Java-based applications on AWS.
• Implement microservices architecture using Java Spring Boot.
• Optimize application performance and security in a cloud environment.
• Cloud Infrastructure & Deployment :
• Design and deploy AWS cloud solutions using services such as EC2, S3, Lambda, API Gateway, RDS and ECS.
• Develop and optimize microservices architecture hosted on AWS.
• Ensure high availability and fault tolerance of applications using AWS tools and best practices.
• Technical Leadership & Collaboration :
• Mentor junior developers and provide technical guidance.
• Collaborate with DevOps, security, and architecture teams to ensure best practices.
• Conduct code reviews and enforce coding standards.
• Monitoring & Optimization :
• Monitor application performance using AWS CloudWatch,.
• Optimize application scalability, cost efficiency, and security on AWS.
• Troubleshoot and resolve production issues efficiently.
• Security & Compliance :
• Implement best practices for security and compliance in cloud-based applications.
• Ensure secure coding practices and AWS security configurations (IAM, VPC, Security Groups, etc.).

Required Qualifications & Skills :

Preferred Qualifications :

Note : This role is a combination of office and remote work.

Salary :

$81,400.00 - $151,800.00

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 :

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

BMO is proud to be an equal employment opportunity employer. We evaluate applicants without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or any other legally protected characteristics. We also consider applicants with criminal histories, consistent with applicable federal, state and local law.

BMO is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to and let us know the nature of your request and your contact information.

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.