Sr. Java Developer (GCP)

Infoya; Toronto; Hybrid; CAD 90,000 - 95,000; Full time

Benefits offered by this job

Salary range 90,000–95,000 CAD

Hybrid work arrangement

Permanent employment

Job summary

Infoya is seeking an experienced Java Developer to design, build, and maintain robust, scalable applications for e-commerce and enterprise clients. The role emphasizes Java, Spring Boot, microservices, REST APIs, SQL databases, cloud environments, and distributed systems, with cross-functional Agile collaboration.

The position is based in Toronto, Ontario, Canada, offering a permanent, hybrid work arrangement and opportunities to work across global enterprises leveraging cutting-edge tech.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
• 8+ years of hands-on experience developing RESTful APIs and microservices with Java/J2EE.
• Strong Java 11/17 and Spring ecosystem expertise; Spring Boot, Spring MVC, Spring Cloud, Spring Security, Spring Batch.
• CI/CD pipelines with Jenkins; containerization with Docker and Kubernetes; Maven/Gradle.
• Proficiency with PostgreSQL, MySQL, Redis; cloud experience with GCP.
• Security (OAuth2, JWT) and production issue management; multithreading and performance tuning.

Responsibilities

• Design, develop, and maintain microservices-based applications using Java and Spring Boot.
• Develop and optimize RESTful APIs for high performance, scalability, and security.
• Write clean, maintainable code following best practices and design patterns.
• Work with SQL databases (MySQL, PostgreSQL) and Redis caching.
• Deploy, manage, and monitor apps in GCP; optimize performance in distributed systems.
• Manage end-to-end releases: build prep, automated tests, UAT, Jenkins deployments.
• Conduct unit/integration tests with JUnit/Mockito to ensure reliability.
• Troubleshoot production issues, security improvements, and vulnerability handling.
• Collaborate with UI/UX, DevOps, QA, Product; participate in code reviews.

Skills

Java

REST APIs

Microservices

Spring

Cloud (GCP)

Distributed systems

OAuth2/JWT security

CI/CD

SQL/NoSQL

Git

Education

Bachelor’s degree in Computer Science or Engineering

Tools

Jenkins

Docker

Kubernetes

Maven

Gradle

PostgreSQL

MySQL

Redis

PgAdmin

Postman

IntelliJ

Git

Job description

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.

JOB DESCRIPTION

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

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.
• Troubleshoot production issues, debug complex problems, and support vulnerability handling and application security improvements.
• 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.

REQUIREMENTS:

• 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.
• Expertise in Core Java, preferably Java 11 and Java 17, along with s trong expertise with the Spring ecosystem, including Spring Boot, Spring MVC, Spring Cloud, Spring Security, and Spring Batch.
• 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.
• Experience with cloud platforms, especially Google Cloud Platform (GCP).
• Experience with web application security, vulnerability handling, and production issue management.
• Strong debugging, performance optimization, and problem‑solving skills.
• Strong knowledge of multithreading, caching, synchronization, concurrency, and design patterns.
• Solid knowledge of authentication and authorization mechanisms such as OAuth2 and JWT.
• 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 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.