Senior Java Developer

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About the Job: We are looking for an experienced Java Developer to design, build, and maintain robust, scalable, and high‑performance applications. You will work on developing modern e‑commerce and enterprise‑grade solutions for retail and inter‑organization clients. The ideal candidate will have a strong command of Java, Spring Boot, microservices architecture, security and SQL databases.

Office

Location:

Toronto

Employment Type: Permanent

Role Type: New position – current requirement

Work Arrangement: Hybrid

• Design, develop, and maintain microservices‑based applications using Java and Spring Boot.
• Develop and optimize RESTful APIs to ensure high performance, scalability, and security.
• Build high performance APIs, knowledge of Open API spec, hands on experience using OAuth
  2.
• Write clean, efficient, and maintainable code following best practices and design patterns.
• Work with SQL databases (MySQL, Postgre
  
  SQL, Redis) and optimize queries for performance.
• Deploy, manage, and monitor applications on cloud environments, preferably GCP.
• Strong understanding of Data Modeling concepts to design, optimize, and maintain scalable, high‑quality data structures that support analytical and business requirements.
• Manage the end‑to‑end release process, including build preparation, automated testing, UAT, stakeholder approvals, deployment through Jenkins, and post‑deployment validation.
• Conduct unit and integration testing using JUnit and Mockito to ensure application reliability.
• Collaborate with cross‑functional teams (UI/UX, Dev Ops, QA, Product) to define and deliver new features.
• Participate in code reviews, mentoring, and knowledge‑sharing sessions.
• Maintain documentation for functionalities, APIs, and system configurations to ensure clear communication among stakeholders.
• Research and implement innovative solutions to enhance system performance and resolve complex challenges.

• 7-9 years of hands‑on experience in backend development, building scalable and high‑availability applications.
• Proven experience with Java (8, 11) and Spring frameworks, with Spring Boot as a core requirement.
• Strong expertise designing and developing high‑performance REST APIs, with strong knowledge of OpenAPI specifications and hands‑on experience implementing OAuth2, multithreading, caching.
• Hands‑on experience writing SQL queries and working with relational databases, particularly Postgre
  
  SQL.
• Strong understanding of Data Modeling concepts.
• Hands‑on experience with CI/CD pipelines, including tools such as Jenkins, Docker, Kubernetes, Maven, Gradle.
• Expertise in building and deploying solutions on Google Cloud Platform (GCP) or other cloud platforms, with a strong understanding of cloud‑native architectures.
• Proven experience in an Agile environment, mentoring developers, including code reviews, technical guidance, and best‑practice enforcement.

• Experience with Google Big Query, Apache Beam (Java), or similar data‑processing technologies (highly desirable).
• Exposure to automation and scripting, preferably using Python.

Salary Range: $90,000 to $105,000 CAD per 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.

Infoya is a global IT solutions provider specializing in transforming complex challenges into streamlined, AI‑powered outcomes. Through proprietary technology accelerators and full‑scale enterprise services, Infoya automates workflows, enhances operational efficiency, and drives digital transformation across industries. With a presence in Canada, the US, India, and Costa Rica, we blend technical depth with creative problem‑solving to deliver measurable impact. At Infoya, you’ll have the opportunity to work with a diverse and talented team in a dynamic and collaborative environment, with hybrid work options and strong support for professional development and growth.