Job Description

Term: December 22, 2025- November 27, 2026
Location: Onsite/Hybrid, 21 College Street, Toronto
Our client is seeking a Senior API - Software Developer
Key Deliverable for Senior API - Software Developer:
Product Requirements: Design and implement enterprise-grade applications using modern Java features, Spring Boot, and microservices architecture. Develop RESTful APIs following best practices and ensure seamless integration with enterprise systems.
Product Delivery: Build and maintain integration solutions leveraging Spring Integration, JMS, AMQP, and Azure Service Bus. Deliver event-driven architectures using Azure Event Hub and ensure reliable messaging and data transformation.
Prioritization: Manage multiple tasks effectively, balancing deadlines with quality standards. Apply security best practices for authentication, authorization, and encryption while ensuring compliance.
Collaboration: Work closely with architects, product owners, and cross-functional teams in Agile environments. Participate in sprint planning, retrospectives, and mentor junior developers. Communicate clearly with technical and non-technical stakeholders.
Must haves:
Extensive experience in designing, building, and consuming REST APIs, including experience with API documentation and testing.
In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services.
Hands-On experience in messaging queuing and event driven architecture.
Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
Knowledge on Integration with Oauth2, JWT, SAML, etc.
Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.

Skills Required