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Sr. Backend Developer

  • Brampton, 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, APIs, and integrations within enterprise microservices architectures. Contribute to system design, security, performance, testing, CI/CD, and cloud-native deployments while collaborating across teams and mentoring 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 with enterprise-scale microservices, APIs, integrations, security, and scalable backend systems.

Skills

  • Java
  • Spring Boot
  • Microservices
  • Backend Development
  • RESTful APIs
  • API Integration
  • System Design
  • Performance Optimization
  • Caching
  • Concurrency
  • OAuth
  • OpenID Connect
  • Kafka
  • Event-Driven Architecture
  • Automated Testing
  • CI/CD

Visa sponsorship

Not detected in the job text

Categories

  • Software
  • Technology
  • Engineering

Keywords

  • Java
  • Spring Boot
  • Backend Development
  • Microservices
  • Enterprise Applications
  • RESTful APIs
  • REST APIs
  • SOAP APIs
  • API-Driven Platforms
  • Distributed Systems
  • System Design
  • Software Architecture
  • Performance Optimization
  • Caching Strategies
  • Concurrency
  • OAuth
  • OpenID Connect
  • Enterprise Security
  • Kafka
  • Messaging Systems
  • Event-Driven Architecture
  • Code Reviews
  • Automated Testing
  • CI/CD
  • Cloud-Native Deployments
  • Containerized Environments
  • Technical Mentorship
  • Brampton, Ontario

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