Toronto, On Backend java developer Jobs – 105 Openings This Week

Senior Java Full Stack Developer
Staffmax Staffing and Recruiting —Mississauga, ON
- $110,000–$120,000 a year
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- Engineering
Quick apply
3d
Backend Java Developer, Assistant Vice President
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Oracle
- Computer Science
- DevOps
20h
Java Software Engineer
Robert Half —Toronto, ON
- $100,000–$130,000 a year
- Oracle
- Computer Science
- DevOps
Quick apply
Senior React Native Developer - Mississauga
Randstad —Mississauga, ON
- $74.83 an hour
- Temporary
- Hybrid work
- Azure
- AWS
- Mentoring
Quick apply
3d
Staff Back End Engineer (Data Platform)
Forma.ai —Toronto, ON
- Java
- Databases
- SQL
- Disability insurance
- Dental care
Quick apply
Senior Specialist - Architecture
LTM —Mississauga, ON
- $91,511–$103,366 a year
- DevOps
- Java
- Disability insurance
- Dental care
Quick apply
Sr. Software Engineer, Backend
Pinterest —Toronto, ON
- Hybrid work
- Computer science
- Computer Science
- Java
Senior AWS Lambda (Java) Developer
Play Hockey —Canada
- From $80,000 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Java
- Disability insurance
- Dental care
Quick apply
Java Developer Lead Engineer - Vice President
Citi —Mississauga, ON
- $120,800–$170,800 a year
- Full-time
- Project management
- Bachelor's
- Team management
8h
Senior Angular Frontend Developer
Intact —Toronto, ON
- $101,800–$124,400 a year
- Full-time
- Hybrid work
- AI
- Communication skills
- Wellness program
8h
Senior Angular Frontend Developer
Intact —Toronto, ON
- Full-time
- Hybrid work
- Mentoring
- AI
- Communication skills
- Employee stock purchase plan
8h

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Backend Java Developer, Assistant Vice President
Citi —Mississauga, ON
Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish…
$94,300–$141,500 a year
20h
Senior Full Stack Java Developer – Assistant Vice President
Citi —Mississauga, ON
Bachelor’s degree/University degree or equivalent experience. Appropriately assess risk when business decisions are made, demonstrating particular consideration…
$94,300–$141,500 a year

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Java Developer
Scotiabank —Toronto, ON
Work with architecture groups on design proposals, development, and maintenance of applications. Strong front-end development skills with Struts, JSP, HTML5,…
Senior AWS Lambda (Java) Developer
Play Hockey —Canada
Play Hockey offers a competitive compensation package, benefits program, remote work, and a fun yet challenging work environment.
From $80,000 a year
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backend java developer jobs near toronto, on

Senior Java Full Stack Developer

Staffmax Staffing and Recruiting
Mississauga, ON

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Job details

Permanent | Full-time
$110,000–$120,000 a year
3 days ago

Qualifications

Spring Boot
Performance tuning
Software engineering
Quality assurance test automation development
UI development
Defect resolution root cause analysis
Computer Science
Software Engineering
Continuous Delivery (CD) implementation
Container orchestration
Software troubleshooting
RESTful API
Engineering
Test-driven development
MongoDB
Microservices
Event-driven architecture
Bachelor's
Cloud development
Distributed systems
Back-end development
Mentoring
Scrum
Red Hat OpenShift
Kafka
Cross-functional collaboration
Multithreading
PL/SQL
Software development or architecture experience
Communication skills
Debugging
Cross-functional communication
Failure analysis

Full job description

Location: Mississauga, ON (Hybrid)

Salary: CAD $110,000 – $120,000

Job Summary

We are seeking a Senior Java Full Stack Developer to design and build scalable, high-performance applications supporting regulatory platforms. The ideal candidate will have strong expertise in Java 11+, Spring Boot, Microservices, Kafka, MongoDB, SQL/PLSQL, and modern cloud-native development practices. This role involves developing resilient distributed systems, implementing event-driven architectures, and contributing to engineering excellence through Agile and DevOps methodologies.

Key Responsibilities

Design, develop, and maintain scalable Java 11+ microservices and full-stack applications.
Build high-performance backend services using Spring Boot, REST APIs, and event-driven architecture.
Implement Kafka producers, consumers, and topics for reliable asynchronous processing.
Develop and maintain UI and API layers while integrating with downstream services.
Apply multithreading and concurrency concepts to improve application performance and throughput.
Design and optimize data persistence using MongoDB and SQL/PLSQL.
Improve application observability using ELK and centralized logging solutions.
Support containerized deployments using Docker, OpenShift, or similar platforms.
Monitor production systems, perform root cause analysis, troubleshoot issues, and implement permanent fixes.
Follow clean coding principles, design patterns, and software engineering best practices.
Participate in code reviews and contribute to architecture and technical design discussions.
Collaborate with cross-functional teams including architects, DevOps engineers, QA, and product owners.
Mentor junior developers and promote engineering excellence within the team.

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, or a related field.
7+ years of experience in Java application development.
Strong experience with Java 11+, Spring Boot, and Microservices architecture.
Hands-on experience with Apache Kafka and event-driven systems.
Strong knowledge of MongoDB and SQL/PLSQL.
Experience with RESTful API development and distributed systems.
Experience with multithreading and concurrent programming.
Familiarity with Docker, OpenShift, Kubernetes, or similar container platforms.
Experience with ELK Stack or centralized logging and monitoring tools.
Strong debugging, troubleshooting, and production support experience.
Experience working in Agile/Scrum environments.
Excellent communication and collaboration skills.

Preferred Qualifications

Experience building low-latency, high-availability transactional systems.
Knowledge of distributed caching technologies.
Experience with CI/CD pipelines and DevOps practices.
Hands-on experience with TDD, BDD, unit testing, and automated testing frameworks.
Knowledge of secure coding practices and application security.
Experience mentoring developers and leading technical initiatives.
Exposure to Fixed Income products and regulatory reporting is considered a strong asset.

Pay: $110,000.00-$120,000.00 per year

Application question(s):

Have you used ELK Stack or logging/monitoring tools?

Experience:

Java (11+)?: 8 years (preferred)
Spring Boot and Microservices?: 8 years (preferred)

Work Location: Hybrid remote in Mississauga, ON

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