Mississauga, On Java backend full stack developer Jobs – 44 Openings This Week

Senior Software Engineer – Java Full Stack
Cognizant —Toronto, ON
- $69,000–$110,000 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Engineering
Java Backend Full Stack Developer
Sryas —Mississauga, ON
- Full-time
- Azure
- Computer Science
- Java
- Life insurance
Java backend developer
Tata Consultancy Services —Toronto, ON
- $90,000–$110,000 a year
- Azure
- Oracle
- Java
Java Developer
Tata Consultancy Services —Toronto, ON
- $90,000–$110,000 a year
- Oracle
- Java
- SQL
Senior Software Engineer
LTM —Mississauga, ON
- $77,874–$86,767 a year
- DevOps
- Java
- Analysis skills
- Disability insurance
- Dental care
Quick apply
Senior Full Stack Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- Oracle
- Java
- Databases
Java Backend Developer (AI + Angular)
Tata Consultancy Services —Toronto, ON
- $90,000–$110,000 a year
- Java
- Databases
- SQL
Consultant, Full Stack Developer
CIBC —Toronto, ON
- Full-time
- Azure
- Oracle
- DevOps
Backend Developer
Novasoft Webservices —Toronto, ON
- $60–$65 an hour
- Full-time
- Azure
- DevOps
- Java
Quick apply
11d
Full Stack Senior Developer
Infosys —Mississauga, ON
- DevOps
- Java
- Bachelor's
Quick apply
3d
Senior Full-Stack Engineer (Backend)
TD Bank —Toronto, ON
- $126,800–$164,100 a year
- Full-time
- Azure
- Oracle
- DevOps
- Paid time off
Senior Java Developer
CGI —Toronto, ON
- $95,000–$145,000 a year
- Full-time
- Azure
- Oracle
- DevOps
Quick apply
Sr Backend Developer
Tata Consultancy Services —Toronto, ON
- $90,000–$110,000 a year
- Java
- APIs
Java Spring Boot Developer
Tata Consultancy Services —Toronto, ON
- DevOps
- Java
- APIs
Back End Developer
Source Code —Toronto, ON
- Full-time
- Java
- AWS
- Agile
Quick apply
Lead Software Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- DevOps
- Java
- JavaScript
5h
AVP - Java Developer Sr Programmer Analyst
Citi —Mississauga, ON
- $94,300–$141,500 a year
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Engineering
Java Backend Specialist - Spring Boot & Multithreading - Operate
Deloitte —Toronto, ON
- $72,000–$138,000 a year
- Temporary
- Hybrid work
- Oracle
- Java
- SQL
Senior Backend Developer
Royal Bank of Canada —Toronto, ON
- Full-time
- DevOps
- Java
- SQL
7d
Senior Java Developer (onsite - Cambridge, ON)
VectorVue —Toronto, ON
- $100,000–$150,000 a year
- Full-time
- Java
- Databases
- SQL
Quick apply
3d

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java backend full stack developer jobs near mississauga, on

Senior Software Engineer – Java Full Stack

Cognizant -
Toronto, ON

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Job details

Full-time
$69,000–$110,000 a year

Qualifications

Spring Boot
CI/CD
Computer Science
Full-stack development
DevOps
Engineering
Java
Application development
Microservices
SQL
AWS
Bachelor's
JavaScript
REST
APIs
PL/SQL
MySQL
SDLC

Full job description

We are seeking a Senior Software Engineer to design and build resilient enterprise services and web applications in a hybrid work environment. This role focuses on developing secure, scalable solutions using Java, Spring Boot, JavaScript, SQL, and AWS. The ideal candidate will collaborate with cross-functional teams to enhance cards and payments processing, optimize data flows, and improve customer and business partner experiences across the platform lifecycle. Key Responsibilities
Design and develop robust backend services using Java and Spring Boot to support high-volume transaction processing and integrations
Build clean, maintainable, and testable APIs and microservices following coding best practices
Develop and optimize SQL / PL-SQL queries in MySQL to ensure performance, data integrity, and efficiency
Create responsive and intuitive frontend components using JavaScript for business and operations workflows
Configure and leverage AWS services (compute, storage, database, messaging) for scalable and cost-efficient deployments
Develop automated unit, integration, and component tests and support CI/CD pipelines
Participate in code reviews and technical discussions to ensure engineering standards and continuous improvement
Troubleshoot production issues, perform root cause analysis, and implement preventive solutions
Collaborate with product owners, business analysts, and QA teams to refine requirements and deliver business value
Create and maintain technical documentation, system designs, and architecture diagrams
Apply secure coding practices and ensure compliance with payment and data security regulations
Mentor junior engineers and promote best practices in full stack development and cloud-native solutions
Identify automation opportunities to improve build, deployment, and monitoring processes Required Qualifications
Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
6–9 years of experience in software engineering, with a focus on backend or full-stack development
Strong expertise in Java and Spring Boot , including RESTful services and microservices architecture
Advanced proficiency in SQL / PL-SQL and MySQL (query tuning, schema design, transactional systems)
Hands-on experience with AWS services for application hosting, scalability, and monitoring
Solid experience with JavaScript for web application development and API integration
Experience in cards and payments domain (authorization, settlement, disputes)
Strong understanding of software development lifecycle, best practices, and secure coding principles Preferred Qualifications
Experience working in high-volume transaction environments
Familiarity with CI/CD tools and DevOps practices
Exposure to regulatory and compliance requirements in financial systems
Location: Ontario, Canada Salary Range: 69,000 - 110,000 This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans. -- We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

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java backend full stack developer jobs in mississauga, on

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Senior Java Developer (onsite - Cambridge, ON)

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