Mississauga, On Java + python backend developer Jobs – 81 Openings This Week

Software Developer – Java, AWS & PL/SQL (AI-Assisted Development)
BMO Financial Group —Toronto, ON
- $55,500–$120,000 a year
- Full-time
- Azure
- Oracle
- System design
- Tuition reimbursement
- Life insurance
Data Engineer
eBay Inc. —Toronto, ON
- $110,400–$147,400 a year
- Full-time
- Computer science
- Computer Science
- Java
- Paid time off
Java Full Stack Developer - React JS - Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- SQL
Senior Full Stack Developer
CGI —Toronto, ON
- $95,000–$145,000 a year
- Full-time
- Software troubleshooting
- English
- AWS
Quick apply
Senior Staff Software Developer
Intuit —Toronto, ON
- $179,500–$242,500 a year
- Hybrid work
- Computer Science
- Research
- Master's degree
Software Engineer I
Beanfield Technologies Inc. —Toronto, ON
- $90,000–$110,000 a year
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- System design
Quick apply
Senior AWS Cloud Developer
BMO Financial Group —Toronto, ON
- $75,900–$141,900 a year
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- Maintenance
- Tuition reimbursement
- Life insurance
Business Consultant - KYC & Client Lifecycle Management
NTT Ltd —Toronto, ON
- $110,000–$160,000 a year
- Remote
- Azure
- Oracle
- Management
- Dental care
- Employee assistance program
Staff Product Security Engineer, Reviews
Okta —Toronto, ON
- $180,000–$247,500 a year
- Hybrid work
- Research
- Windows
- Java
Quick apply
Sr. Software Engineer, Backend
Pinterest —Toronto, ON
- Hybrid work
- Computer science
- Computer Science
- Java
Senior Java Fullstack Developer (Java / React / AWS)
WilsonCTS —Toronto, ON
- $65–$75 an hour
- Contract
- Hybrid work
- Computer Science
- Software troubleshooting
- Engineering
Quick apply
9d
Java Backend Developer
Capgemini —Toronto, ON
- $85,000–$95,652 a year
- Azure
- Oracle
- AWS
- Disability insurance
- Dental care
Software Engineer I (Java Backend Developer)
TD Bank —Toronto, ON
- $69,700–$98,400 a year
- Full-time
- Azure
- Continuous improvement
- Mentoring
- Paid time off
3d
Java Backend Developer
Capgemini Sogeti —Toronto, ON
- $85,000–$95,652 a year
- Azure
- Oracle
- AWS
- Disability insurance
- Dental care
Intermediate Full-Stack Developer
Method Integration Inc. —Toronto, ON
- $70,000–$90,000 a year
- Full-time
- Hybrid work
- Software troubleshooting
- Java
- AWS
- Dental care
- Vision care
4d
Java Back end Developer
Capgemini Sogeti —Toronto, ON
- $75,000–$90,000 a year
- Azure
- Software troubleshooting
- AWS
- Disability insurance
- Dental care
Java Back end Developer
Capgemini —Toronto, ON
- $75,000–$90,000 a year
- Azure
- Software troubleshooting
- AWS
- Disability insurance
- Dental care
Senior Java Developer – Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
Senior Software Developer (Marketing Integrations)
Bally's Interactive —Toronto, ON
- $120,000–$150,000 a year
- Remote
- Java
- AWS
- APIs
Quick apply
Senior Software Engineering Specialist
CGI —Toronto, ON
- $95,000–$145,000 a year
- Full-time
- Computer science
- Azure
- Software troubleshooting
Quick apply

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java + python backend developer jobs near mississauga, on

Software Developer – Java, AWS & PL/SQL (AI-Assisted Development)

BMO Financial Group -
Toronto, ON

Apply Now

Job details

Full-time
$55,500–$120,000 a year

Qualifications

Spring Boot
Software engineering
Azure
Oracle
Cloud architecture
Node.js
Law
React
System design
Event-driven architecture
AWS
Analysis skills
Docker
Machine learning
Continuous improvement
Cloud development
Distributed systems
Back-end development
Usability
Angular
GitHub
APIs
Financial services
Kafka
Business requirements
AI
PL/SQL
Software development or architecture experience
Communication skills
Python

Full job description

Application Deadline:

09/10/2026

Address:

100 King Street West

Job Family Group:

Technology

This area of the bank is focused on Loan Servicing and Commercial Lending applications. We are currently working on several modernization initiatives, including legacy application migration to Java, cloud transformation on AWS, AI-assisted software development using GitHub Copilot, application modernization, and operational resiliency improvements across critical banking platforms.

We are looking for a Software Developer – Java, AWS & PL/SQL (AI-Assisted Development) who can design and deliver scalable, enterprise-grade solutions while embracing modern AI-assisted development approaches.

This role is not limited to a specific tech stack. We are looking for someone who:

Understands banking/business workflows

Takes end-to-end ownership of delivery

Is a strong problem solver

Is open to leveraging AI tools to improve productivity and system design

You will work across frontend, backend, and integration layers to build reliable systems, while progressively incorporating AI capabilities where they add real business value.

What You’ll Work On

Build and enhance core banking loan servicing platform

Design APIs and backend services that support complex workflows

Develop user-facing applications with strong focus on usability and performance

Work on data-driven systems, integrations, and orchestration layers

Contribute to modernization initiatives (API-first, cloud, event-driven architecture)

Explore and implement AI-assisted features (automation, insights, intelligent workflows) where appropriate

Key Responsibilities

Design, build, and support end-to-end applications across frontend, backend, and integration layers

Translate business requirements into scalable technical solutions

Take ownership of features from design through production and support

Collaborate with product, architecture, and business teams to solve complex domain problems

Build robust microservices/APIs using Java / Node / Python

Develop intuitive frontend applications ( Angular)

Ensure systems are secure, resilient, and compliant (critical in banking)

Identify opportunities to leverage AI tools (e.g., code generation, automation, intelligent workflows) to improve delivery efficiency

Contribute to continuous improvement of engineering practices (quality, CI/CD, observability)

Core Technical Stack

Backend: Java (Spring Boot), Node.js, Python

Frontend: React or Angular

Architecture: Microservices, APIs, event-driven systems

Data: Oracle

Infrastructure: AWS/Azure, Docker, Kubernetes, Kafka

Tools: CI/CD pipelines, observability platforms

Must-Have Skills

3–7 years of experience in backend/full-stack development in enterprise environments

Strong understanding of system design, scalability, and distributed systems

Experience delivering production-grade applications end-to-end

Solid experience in banking or financial services domain (onboarding, payments, lending, trade, etc.)

Strong problem-solving and analytical skills

Demonstrated ownership and accountability for delivery

Ability to work across tech stacks and adapt quickly

Strong communication and collaboration skills
Exposure to AI/ML or LLM-based capabilities (even at feature level)
Experience using AI development tools (e.g., Copilot, code assistants, automation tools)

Nice to Have

Familiarity with search, data retrieval, or analytics platforms

Experience with cloud-native or modernization programs

Understanding of event-driven or streaming architectures

Mindset We’re Looking For

Thinks beyond code—focuses on business outcomes and user value

Owns problems end-to-end, not just assigned tasks

Comfortable working in ambiguous problem spaces

Willing to challenge existing approaches and think creatively

Continuously learning, including how AI can enhance engineering productivity

Pragmatic—balances innovation with real-world delivery constraints

Salary :

$55,500.00 - $120,000.00

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.

Apply Now

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java + python backend developer jobs in mississauga, on

Software Developer – Java, AWS & PL/SQL (AI-Assisted Development)

Data Engineer

Java Full Stack Developer - React JS - Assistant Vice President

Senior Full Stack Developer

Senior Staff Software Developer

Software Engineer I

Senior AWS Cloud Developer

Business Consultant - KYC & Client Lifecycle Management

Staff Product Security Engineer, Reviews

Sr. Software Engineer, Backend

Senior Java Fullstack Developer (Java / React / AWS)

Java Backend Developer

Software Engineer I (Java Backend Developer)

Java Backend Developer

Intermediate Full-Stack Developer

Java Back end Developer

Java Back end Developer

Senior Java Developer – Vice President

Senior Software Developer (Marketing Integrations)

Senior Software Engineering Specialist

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