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Hays

Back End Developer

Hybrid

Toronto, Canada

Junior

Freelance

10-09-2025

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Skills

Java SQL NoSQL MySQL MongoDB PostgreSQL CI/CD DevOps Docker Kubernetes Agile methodologies Architecture Databases git Agile Spring Spring Boot CI/CD Pipelines Microservices

Job Specifications

4 months project

Job Description

We are seeking a skilled and motivated Java Backend Developer with strong experience in Spring Boot and Microservices architecture. You will be responsible for designing, developing, and maintaining scalable backend systems that power our core applications. This is a great opportunity to work in a fast-paced, collaborative environment with cutting-edge technologies.

Key Responsibilities:

Design and develop robust, scalable, and secure backend services using Java and Spring Boot
Build and maintain RESTful APIs and microservices
Collaborate with front-end developers, DevOps, and QA teams to deliver high-quality software
Participate in code reviews, architecture discussions, and agile ceremonies
Optimize application performance and troubleshoot production issues
Write clean, maintainable, and testable code following best practices

Required Skills & Experience:

3+ years of hands-on experience in Java backend development
Strong expertise in Spring Boot and Spring Cloud
Proven experience with Microservices architecture
Experience with REST APIs, JSON, and HTTP protocols
Familiarity with Docker, Kubernetes, or other containerization tools
Experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB)
Knowledge of CI/CD pipelines, Git, and Agile methodologies

About the Company

We are leaders in specialist recruitment and workforce solutions, offering advisory services such as learning and skill development, career transitions and employer brand positioning. As the Leadership Partner to our customers, we invest in lifelong partnerships that empower people and businesses to succeed. We help you achieve your career goals and deliver your business needs by combining meaningful innovation with our global scale and insights. Last year we helped over 280,000 people find their next career. Join the mill... Know more