Toronto, On Full stack java / api developer Jobs – 103 Openings This Week

Senior Java Developer
Virtusa —Mississauga, ON
- Azure
- Oracle
- Computer Science
Full Stack Developer - Toronto
Randstad —Toronto, ON
- Temporary
- Microsoft Outlook
- DevOps
- Java
Quick apply
2d
SAP eCommerce Senior Developer
Tata Consultancy Services —Toronto, ON
- $100,000–$120,000 a year
- Java
- APIs
- Communication skills
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

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Full Stack Java Technical Specialist - React.js
HCLTech —Ajax, ON
Contributing in all phases of the development lifecycle. Improve the code quality by implementing best practices.
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
Quick apply

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Senior Java Developer

Virtusa -
Mississauga, ON

Apply Now

Job details

Qualifications

Spring Boot
CI/CD
Authentication
Azure
Oracle
Cloud architecture
Computer Science
Cassandra
Kubernetes
Full-stack development
Relational databases
DevOps
Engineering
System design
NoSQL
Git
Google Cloud Platform
MongoDB
Java
Databases
Microservices
SQL
OOP
AWS
Docker
Bachelor's
PostgreSQL
RabbitMQ
REST
Software development
APIs
Agile
Kafka
DynamoDB
Communication skills
Spring framework
MySQL
Design patterns

Full job description

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and modern backend / frontend technologies, a strong understanding of system design, and the ability to mentor junior engineers while collaborating with cross-functional teams. Key Responsibilities Design, develop, test, and maintain high-quality Java applications and services Lead technical design discussions and contribute to architectural decisions Build and optimize RESTful APIs, microservices, and backend systems Ensure application performance, scalability, reliability, and security Write clean, maintainable, and well-documented code following best practices Conduct code reviews and provide constructive feedback to team members Mentor junior engineers and support team knowledge sharing Collaborate with product managers, QA, DevOps, and other stakeholders Troubleshoot complex technical issues in development and production environments Participate in Agile/Scrum ceremonies and contribute to continuous improvement Required Qualifications Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience) 7+ years of professional experience in software development Strong proficiency in Java (Java 17+) Experience with Spring / Spring Boot Solid understanding of object-oriented design, design patterns, and SOLID principles Experience building RESTful APIs and backend services Strong knowledge of SQL and relational databases (e.g., PostgreSQL, Oracle, MySQL) Familiarity with Git and modern CI/CD pipelines Experience working in Agile development environments Excellent problem-solving, communication, and collaboration skills Preferred Qualifications Experience with microservices architecture Exposure to cloud platforms (AWS, Azure, or GCP) Experience with containers and orchestration (Docker, Kubernetes) Knowledge of message queues / streaming platforms (Kafka, RabbitMQ) Familiarity with NoSQL databases (MongoDB, DynamoDB, Cassandra) Understanding of security best practices and authentication (OAuth2, JWT) Experience supporting high-availability or mission-critical systems

Key Job Details

Primary Location

Mississauga, Ontario, Canada

Job Type

Experienced

Required Experience

Skill

DE-Full Stack, REST API, ORM, SQL.

Travel

Date Posted

26/06/2026

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full stack java / api developer jobs in toronto, on

Senior Java Developer

Full Stack Developer - Toronto

SAP eCommerce Senior Developer

Sr. Software Engineer, Backend

Senior AWS Lambda (Java) Developer

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