Java Backend Developer

Job summary

Design, develop, and maintain scalable Java backend services, REST APIs, and microservices. Optimize performance, scalability, and security while collaborating with cross-functional teams and troubleshooting existing systems.

Job details

Role: Java Backend Developer Location: Toronto, ON – Hybrid Duration: 6+ month contract Job Description – Java Backend Developer Role Overview: We are seeking an experienced Java Backend Developer responsible for designing, developing, and maintaining scalable backend systems and APIs. The role involves collaborating with cross‑functional teams to deliver high‑quality software solutions. Key Responsibilities: Develop and maintain backend services using Java and related frameworks (Spring Boot, Hibernate). Design and implement RESTful APIs and microservices. Optimize application performance, scalability, and security. Collaborate with front‑end developers, QA, and product teams. Troubleshoot, debug, and upgrade existing systems. Write clean, maintainable, and well‑documented code. Requirements: Strong proficiency in Java (8+ or higher). Hands‑on experience with Spring Boot, REST APIs, and ORM frameworks. Knowledge of databases (MySQL, PostgreSQL, MongoDB). Familiarity with cloud platforms (AWS, Azure, GCP) is a plus. Understanding of CI/CD pipelines, version control (Git), and Agile practices. Excellent problem‑solving and communication skills.

What you’ll do

Design, develop, and maintain scalable Java backend services, REST APIs, and microservices. Optimize performance, scalability, and security while collaborating with cross-functional teams and troubleshooting existing systems.

Requirements

Requires strong proficiency in Java 8 or higher and hands-on experience with Spring Boot, REST APIs, and ORM frameworks. Candidates should know relational or NoSQL databases and be familiar with CI/CD, Git, and Agile practices; cloud platform experience is a plus.

Listed skills

• Java · Preferred
• Spring Boot · Preferred
• REST APIs · Preferred
• MySQL · Preferred
• PostgreSQL · Preferred
• MongoDB · Preferred
• Amazon Web Services · Preferred
• Microsoft Azure · Preferred
• Google Cloud · Preferred
• CI/CD · Preferred
• Git · Preferred
• Agile · Preferred
• Problem solving · Preferred
• Communication · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Java
• Spring Boot
• Hibernate
• REST APIs
• Microservices
• MySQL
• PostgreSQL
• MongoDB
• AWS
• Azure
• GCP
• CI/CD
• Git
• Agile
• Problem-Solving
• Communication

Job areas

• Software
• Technology

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