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Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!

SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES, KAFKA & MONGODB

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Dec 4, 2026
Experience: Experience Range: 9–12 Years
Posting language: English
Posted: Oct 27, 2026

Original job description

SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES, KAFKA & MONGODB

Experience Range: 9–12 Years

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
- Document modeling
- Indexing strategies
- Aggregation framework
- CRUD and 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.

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More about this job

Responsibilities

Design, develop, and maintain Java microservices and REST APIs, while optimizing SQL and MongoDB schemas, queries, and performance. Support reliability, testing, code reviews, CI/CD, deployments, and production issue resolution in collaboration with business, architecture, QA, and DevOps teams.

Requirements

Requires 9–12 years of experience and strong hands-on skills in Java 8/11/17, Spring technologies, microservices, REST APIs, Kafka, and MongoDB. Experience with OpenShift or AWS, SQL, integration patterns, performance optimization, and secure, resilient application development is also required.

Skills

Java
Spring Boot
Spring MVC
Spring Data
Microservices
REST APIs
JSON
OpenAPI/Swagger
Apache Kafka
MongoDB
OpenShift
AWS
SQL
Document Modeling
Indexing
Performance Tuning

Visa sponsorship

Not detected in the job text

Keywords

Java 8/11/17
Spring Boot
Spring MVC
Spring Data
Microservices Architecture
Service Decomposition
API Contracts
REST APIs
JSON
OpenAPI/Swagger
Apache Kafka
Kafka Producers and Consumers
Kafka Partitioning
MongoDB
Document Modeling
Indexing Strategies
Aggregation Framework
CRUD
SQL
OpenShift
AWS
REST Integrations
Exception Handling
Logging
Monitoring
Resiliency Patterns
Unit Testing
Code Reviews
CI/CD
Secure Coding

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