Closed listing
Senior Backend Developer
- Toronto, ON, Canada
Full-time
This opening has closed.
The original listing is kept below for reference.
Job details
- Job type
- Full-time
- Closing date
- Posting language
- English
- Posted
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Original job description
Archived listing. The details below describe a past opening.
Position Name – Senior Backend Developer
Type of hiring – Fulltime/Subcon
Location – Brampton, ON (Onsite)
Job Description:
Experience 8-12 Years of overall IT experience with 5+ Years of hands-on Senior Backend Developer with strong expertise in Java and Spring Boot, experienced in building and delivering enterprise-scale microservices and API-driven platforms.
The ideal candidate will play a key role in designing, developing, and maintaining scalable backend services, integrating with multiple internal and external systems, and ensuring high availability and performance of applications.
Key Responsibilities
- Design, develop, and maintain scalable backend services using Java and Spring Boot within a microservices architecture.
- Develop and maintain RESTful APIs and integration services, ensuring secure and efficient communication between distributed systems.
- Work closely with frontend teams, product managers, architects, and DevOps engineers to deliver high-quality solutions aligned with business requirements.
- Participate in system design, architecture discussions, and technical decision-making for large-scale enterprise applications.
- Implement performance optimization, caching strategies, and concurrency handling to ensure system reliability and scalability.
- Develop secure APIs using OAuth/OIDC authentication mechanisms, ensuring compliance with enterprise security standards.
- Integrate with external platforms and services using REST/SOAP APIs, messaging systems (Kafka), and event-driven architectures.
- Ensure code quality through code reviews, automated testing, and adherence to best engineering practices.
- Support CI/CD pipelines and cloud-native deployments in containerized environments.
- Provide technical mentorship and guidance to junior developers while contributing hands-on to complex development tasks.
More about this job
Responsibilities
Design, develop, and maintain scalable Java and Spring Boot backend services, RESTful APIs, and integrations within enterprise microservices architectures. Improve security, performance, and reliability; contribute to architecture and CI/CD efforts; ensure code quality; and mentor junior developers.
Requirements
Requires 8–12 years of overall IT experience, including at least 5 years of hands-on senior backend development experience. Candidates should have strong Java and Spring Boot expertise and experience delivering enterprise-scale microservices and API-driven platforms.
Skills
- Java
- Spring Boot
- Microservices
- RESTful APIs
- API Integration
- System Design
- Performance Optimization
- Caching
- Concurrency
- OAuth
- OpenID Connect
- SOAP APIs
- Kafka
- Event-Driven Architecture
- Automated Testing
- CI/CD
Visa sponsorship
Not detected in the job text
Categories
- Software
- Technology
- Engineering
Keywords
- Java
- Spring Boot
- Microservices
- Backend Services
- RESTful APIs
- API-Driven Platforms
- Enterprise Applications
- System Design
- Software Architecture
- Performance Optimization
- Caching Strategies
- Concurrency Handling
- OAuth
- OpenID Connect
- REST APIs
- SOAP APIs
- Kafka
- Messaging Systems
- Event-Driven Architecture
- Code Reviews
- Automated Testing
- CI/CD
- Cloud-Native Deployments
- Containerized Environments
- Technical Mentorship
- Telecommunications