Senior Java Backend Developer (Hybrid)

Position: Senior Java Backend Developer (Hybrid) Location: Mississauga, ON Job type: Full-time/Permanent hiring Senior Java Microservices Developer with experience in enterprise application development using Java 8/11/17, Spring Boot, and Microservices architecture. Responsible for designing scalable REST APIs, developing event-driven integrations using Kafka, and managing high-performance MongoDB data solutions. The role includes cloud deployments on OpenShift/AWS, production support, CI/CD enablement, and delivering secure, resilient, high-availability applications. Must Have Technical/Functional Skills Core Development • Java (8/11/17) – strong hands-on experience • Spring Boot, Spring MVC, Spring Data • Microservices architecture (service decomposition, API contracts) • REST APIs, JSON, OpenAPI / Swagger • Kafka producer, consumer, partitioning • MongoDb • Openshift / AWS Database & Data Layer • MongoDB o Document modeling o Indexing strategies o Aggregation framework o CRUD & performance tuning Integration & Messaging • Experience with Kafka (preferred) • REST based integrations with upstream/downstream systems Roles & Responsibilities • Design, develop, and maintain Java based microservices • Implement RESTful APIs adhering to enterprise design standards • Develop and optimize SQL queries (E2 level) for transactional and reporting use cases • Design and manage MongoDB schemas, indexes, and queries • Ensure high availability, scalability, and performance of microservices • Apply exception handling, logging, monitoring, and resiliency patterns • Collaborate with Business Analysts, Architects, QA, and DevOps teams • Participate in code reviews, unit testing, and defect resolution • Support CI/CD pipelines, deployments, and production issues • Follow secure coding and compliance standards

Design, develop, and maintain scalable Java-based microservices and RESTful APIs. Manage MongoDB data solutions and implement event-driven integrations using Kafka while supporting CI/CD pipelines.

Requires strong hands-on experience with Java 8/11/17, Spring Boot, and Microservices architecture. Proficiency in MongoDB, Kafka, and cloud deployments on OpenShift or AWS is essential.

• REST APIsPreferred
• CI/CDPreferred
• Amazon Web ServicesPreferred
• MongoDBPreferred
• JavaPreferred
• Spring BootPreferred

Identified from the job description. Confirm important requirements above.

• Java
• Spring Boot
• Microservices
• REST APIs
• Kafka
• MongoDB
• OpenShift
• AWS
• Spring MVC
• Spring Data
• JSON
• OpenAPI
• Swagger
• CI/CD
• Unit Testing
• Secure Coding

• Software
• Technology
• Engineering
• Data & Analytics

Minimum experience

5+ years

Apply by

Sep 26, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level

Application method

Direct apply is available