Sr. Java Developer - GCP
$90k - $95k per yearInfoya
About the Job:
We are looking for an experienced Java Developer to design, build, and maintain robust, scalable, and high-performance applications. This role focuses on developing modern e-commerce and enterprise-grade solutions for retail and inter-organization clients. The ideal candidate will have strong expertise in Java, Spring Boot, microservices architecture, RESTful API development, SQL databases, cloud environments, and distributed systems. You will collaborate closely with cross-functional Agile teams to deliver secure, reliable, and performance-optimized applications.
Office Location: Toronto
Employment Type: Permanent
Role Type: New position – current requirement
Work Arrangement: Hybrid
Position Responsibilities:
• Design, develop, and maintain microservices-based applications using Java and Spring Boot.
• Develop and optimize RESTful APIs to ensure high performance, scalability, and security.
• Write clean, efficient, and maintainable code following best practices and design patterns.
• Work with SQL databases such as MySQL and PostgreSQL, and caching technologies such as Redis.
• Optimize database queries and application performance for scalable enterprise systems.
• Deploy, manage, and monitor applications in cloud environments, preferably Google Cloud Platform (GCP).
• Manage the end-to-end release process, including build preparation, automated testing, UAT, stakeholder approvals, Jenkins deployment, and post-deployment validation.
• Conduct unit and integration testing using JUnit and Mockito to ensure application reliability.
• Design, develop, and optimize multithreaded applications for performance and scalability.
• Implement and manage caching strategies using Redis, or similar tools to reduce latency and improve throughput.
• Work on synchronization, concurrency, and performance tuning challenges in distributed systems.
• Collaborate with UI/UX, DevOps, QA, Product, and other cross-functional teams to define and deliver new features.
• Participate in code reviews, mentoring, and knowledge-sharing sessions.
• Troubleshoot production issues, debug complex problems, and support vulnerability handling and application security improvements.
Requirements
Required Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• 8+ years of hands-on experience developing RESTful APIs and microservices using Java/J2EE.
• Strong experience with the Spring ecosystem, including Spring Boot, Spring MVC, Spring Cloud, Spring Security, and Spring Batch.
• Expertise in Core Java, preferably Java 11 and Java 17.
• Strong knowledge of multithreading, caching, synchronization, concurrency, and design patterns.
• Experience in microservices/API development and migration from monolithic systems.
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, Docker, Kubernetes, Maven, and Gradle.
• Proficiency with SQL and NoSQL databases such as PostgreSQL, MySQL, and Redis.
• Solid knowledge of authentication and authorization mechanisms such as OAuth2 and JWT.
• Experience with cloud platforms, especially Google Cloud Platform (GCP).
• Hands on production support experience including application monitoring, incident triage and root cause analysis.
• Understanding of distributed systems and API gateways such as Spring Cloud Gateway, Kong, or similar tools.
• Experience with web application security, vulnerability handling, and production issue management.
• Strong debugging, performance optimization, and problem-solving skills.
• Experience using development tools such as IntelliJ, PgAdmin, Postman, and Git.
• Strong communication and collaboration skills.
Preferred Qualifications:
• Experience with hybrid application development.
• Knowledge of Google Cloud Storage (GCS).
• Familiarity with Agile methodologies and collaborative development environments.
Benefits
Salary Range: $90,000 to $95,000 CAD/ year
The final compensation offered will depend on local market
conditions and geographic location, as well as job-related factors such as the
candidate’s knowledge, skills, qualifications, relevant experience, and
education/training. Compensation may also include additional components such as
benefits, and/or other incentives, where applicable. In accordance with new
employment standards requirements, we retain copies of this job posting and
applicant information for three (3) years after the posting is removed. We do
not use AI technology; all applications are also reviewed by our recruitment
team.
Infoya is an equal opportunity employer committed to
diversity and inclusion. We welcome applications from all qualified
individuals, regardless of race, color, religion, sex, sexual orientation,
gender identity, national origin, age, disability, protected veteran status, aboriginal
status, or any other legally protected factors.
- ...management and layout design. - Unified Development environment (Developers systems as well as servers) - Continuous Integrations Building... ...skills: At least 8 - 10 years hands-on experience in the Java ,J2EE Technologies. Including (Servlets, JSP, JSF, Spring , EJB,...SuggestedFull timeFlexible hours
$60k - $65k per year
...About the Job: The Backend Developer will design, develop, test, deploy, and support scalable... ...This role requires hands-on experience with Java, Spring Boot, REST APIs, relational... ...monitor applications in Google Cloud Platform (GCP). Implement batch processing solutions...SuggestedPermanent employmentFull timeWork at officeLocal area- ...Position: Java Developer Location: Toronto, ON (Hybrid) Job ID#: RQ00640 Duration: 6 Months Role Overview The Senior Specialized IT Consultant will support multiple technical workstreams focused on remediation and enhancement of largeâscale...SeniorFull timeContract work
- ...resources to various big clients across North America. Our client is a solutions development firm located within the GTA and they need Java developer/designers with good OO skills. Strong hands-on software development skills with Java, J2EE is essential along with enterprise...SuggestedFull timeContract work
$110k - $135k per year
..., a self-starter and like to wear multiple hats. Responsibilities Design and develop scalable, robust and secure web applications using front end (React JS) and back end (Java) technologies Write efficient, clean and maintainable code Continuously improve the...SeniorFull timeInternship- ...8+ Years Experience ● Hands-on expertise in Spring Boot, Java, REST API development, and Kafka-based event-driven... ...Kubernetes), and deployment in cloud environments (AWS, Azure, GCP). ● Experience in developing and optimizing Big Data applications using Java & Scala, Hadoop...SeniorContract work
- ...and engineering. Using your knowledge of Java and MongoDB, and engineering best practices... .... You will also guide less experienced developers. We believe small, multi-disciplinary... ...This role will suit a highly capable developer with extended working experience with Java...SeniorRemote jobFull timeFlexible hours
- ...Job Description Role: Java Developer-Kafka Location: Toronto, ON Contract :12 Months Job Description: · Sound Knowledge on Core Java concepts - OOPS, Collections and Design Patterns. · Hands on Experience in Kafka · Basic knowledge on HTML, JavaScript...Full timeContract work
- ...recognition 4 years in a row Job Description Main Duties • Develop, maintain, and integrate coding for various client software... ...and out • 5+ years’ experience in software development using Java/J2EE technologies • Hands on experience with Spring, Struts or...Full time
- ...RQ09787 - Sr. Software Developer Toronto (Jarvis St) Hybrid: 3 Days onsite / 2 days remote - From October 20, 2025, the candidate is... ...web applications ~10+ year of hands-on working experience of Java development with Oracle or SQL database ~5+ years of hands...SeniorFull timeContract workManual laborRemote work
- ...understood Accountable for the design of the solutions Overseeing and managing development teams At least 50% hands-on coding in Java, Node.js , OR Python Occasional business travel in North America Job requirements Role requirements - technical skills and...Remote jobFull timeFlexible hours
- ...RQ09569 - Sr. Software Developer Downtown, Toronto Hybrid - 3 days in the office Contract (9 months) Security Level: CRJMC (must... ...testing, and deploying applications. ~ Proven expertise in Java/J2EE development within WebSphere Application Server and...SeniorFull timeContract workWork at office
- ...computing and multithreading 5+ years of experience on core java and 2+ years on java 8.0 2+ experience on Spark, Scala... ...of data stores and create ingestion plan is required Ensures solutions developed adhere to security and data privacy policies....SeniorFull timeFlexible hours
- ...RQ10248 - Sr. Software Developer 1-year contract (254 business days) - 1 possible extension ONSITE 5 days a week - Sir William Hearst Ave.... ...Construct / enhance / renew web applications using Cloud-Native & Java EE application models (e.g. Microservice Architecture, API-...SeniorLong term contractFull timeContract workInterim roleInternship
- ...RQ09779 - Sr. Software Developer Toronto (Jarvis St.) Hybrid - Candidate MUST work 3 days onsite and 2 days remote - Starting October 20,... ...cloud-based and mainframe applications · Responsible for Java based development utilizing a combination of WebSphere, JDBC,...SeniorFull timeContract workWork at officeRemote work
- ...RQ09164 - Sr. Automation Developer 222 Jarvis St. Floor 5 Hybrid: 3 Days onsite / 2 days remote Contract (7 months) Must-Have's:... ...) Proficiency in scripting/programming languages such as Java, Python, JavaScript, or C#. Git, Jenkins, Azure DevOps, or...SeniorFull timeContract workRemote work
- ...Sr. Software Developer (Oracle, SQL, Unix/Linux, Java, HL7/FHIR) 5700 Yonge Street, Toronto (Yonge Street & Finch Avenue, close to Finch Subway Station) Hybrid (3 days onsite, 2 days remote) Contract (9 months) Must-Haves: 15+ years of experience with:...SeniorFull timeContract workRemote work
- ...RQ10542 - Sr. Software Developer (Java/JavaScript) 1-year contract (247 business days) - 2 possible extension of 100 days each ONSITE 5 days a week - Jarvis St., Toronto Security Level: CRJMC Responsibilities Required to translate technical systems specifications...SeniorFull timeContract work
- ...programs. Visit us at: System Canada is an equal opportunity employer. Job Description Minimum 6 years of experience in Java / J2EE Technology. Extensive experience in Core / J2EE (JSP, Servlets, JavaScript, AJAX) Extensive experience in WebSphere...Permanent employmentFull time
- ...learn, share knowledge and teach within your team and within the developer community at Electric Mind via educational sessions, study groups... ...complex business and technical challenges. Core development is done in Java, Spring and JavaScript, although the nature of our work allows...SeniorFull timeContract workRemote work
- ...design - Assist with code reviews software tools/skills: - Java - Ability to collaborate and communicate with a distributed... ...Services Manager’s Name : Manish Patel Position Title(s) : Java developer with Angular Location : Downtown, Toronto, Canada Type :...Full time
- ...Software Developer Technology · Toronto, Ontario POSITION DESCRIPTION POSITION: Software Developer REPORTS TO: Manager, Software... ...more, visit . POSITION SUMMARY: Cority is looking for a Sr. Software Developer to be a part of our existing team. We are...Senior
$65 per hour
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position...SeniorFull timeContract workSummer workInternshipRemote work- ...The Company At Nylas, we specialize in making it easier for developers to add email, calendar, and contact management features into their... ...platforms. The Role We're looking for an experienced Sr. Developer Advocate Engineer to help shape how developers discover,...SeniorLong term contractFor contractorsInternshipRemote work
- ...CoreFactor is currently searching for multiple full stack java developers on a contract basis for a client in North, York, On. As a senior developer, you will be joining a special team, expanding our banking platform. You will be contributing to the development of...SeniorFull timeContract workFlexible hours
- ...RQ09741 - Sr. Software Developer 222 Jarvis or 33 King St. Toronto Hybrid - - Candidate MUST work 3 days onsite and 2 days remote - Starting October 20, resources are expected to come into the office 4 days per week. Starting January 5, resources are expected to come...SeniorFull timeContract workWork at officeRemote work
- ...Position: Sr Front End Developer \\\ \\\ Location: Onsite\/Toronto \\\ \\\ Job ID#: RQ00471\\\ \\\ Duration: 6 Months + 6 month extension \\\ \ Position Overview \\\ \\\ We are seeking a highly experienced \\ Senior Front\-End Developer \\\ to design, develop...SeniorContract work
- ...company, and our higher social purpose. As the Senior Systems Developer you will be a driving member of an integral team responsible for... ...with Salesforce or other object-oriented programming languages (Java, C#, .net); JavaScript, web technologies (HTML/CSS), frameworks and...SeniorHourly payFull timeWork at officeLocal areaFlexible hoursShift workAfternoon shift
- ...organization that offers consulting opportunities and provides support as a partner? \\\\\ \ This is a long -term contract for a senior Java developer with experience with Curam CRM software \\\\ \\ \\\\ Responsibilities \\\\ \\\\\\\ ~ Development and configuration of CURAM...SeniorLong term contractFull time
- ...you answered yes to any of these, then please send us your resume to ****@*****.*** \\ \ \ \ We are looking for a Senior Java developer, on contract, for one of our major clients in Ontario. The work is remote. Please read details below. \ \ \ Senior Enterprise...SeniorFull timeContract workRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Java Developer - GCP. Be the first to apply!
- java software developer Toronto, ON
- développeur java Toronto, ON
- java developer no experience Toronto, ON
- entry level java developer Toronto, ON
- junior java developer Toronto, ON
- java developer Toronto, ON
- java developer remote Toronto, ON
- senior java developer Toronto, ON
- senior solution architect Toronto, ON
- senior qa analyst Toronto, ON

