Java Backend Developer

Cynet Systems Inc; Mississauga; On-site; CAD 70,000 - 100,000; Full time

Job summary

Cynet Systems Inc is seeking a skilled Backend Developer to design, develop, and maintain backend applications using Java and related technologies. This role involves building RESTful APIs, optimizing performance, and collaborating with front-end teams. Candidates should possess strong proficiency in Java, experience with microservices, and familiarity with cloud platforms. A Bachelor's degree in a related field is required, along with excellent problem-solving skills.

Qualifications

• Strong proficiency in Java, Spring Boot, and REST APIs.
• Experience with microservices architecture and containerization.
• Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, MongoDB.

Responsibilities

• Design, develop, and maintain backend applications using Java.
• Build RESTful APIs and microservices to support web and mobile applications.
• Optimize application performance, scalability, and security.

Skills

Java

Spring Boot

REST APIs

Microservices architecture

Docker

SQL databases

NoSQL databases

JPA/Hibernate

CI/CD

AWS

Azure

GCP

Problem-solving

Debugging

Education

Bachelor's degree in Computer Science

Bachelor's degree in Engineering

Bachelor's degree in related field

Job description

Job Description:

Responsibilities:

• Design, develop, and maintain backend applications using Java (preferably Java 8+).
• Build RESTful APIs and microservices to support web and mobile applications.
• Optimize application performance, scalability, and security.
• Integrate with third-party services, databases, and cloud platforms.
• Collaborate with front-end developers to align on API contracts.
• Conduct code reviews and ensure best practices in software engineering.
• Debug production issues and participate in root cause analysis.
• Write unit, integration, and performance tests.

Required Skills and Qualifications:

• Strong proficiency in Java, Spring Boot, and REST APIs.
• Experience with microservices architecture and containerization (e.g., Docker).
• Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, MongoDB.
• Knowledge of JPA/Hibernate and ORM concepts.
• Understanding of CI/CD pipelines and tools (e.g., Jenkins, Git).
• Familiarity with cloud platforms (AWS, Azure, or GCP) is a plus.
• Excellent problem-solving skills and debugging capabilities.
• Bachelor's degree in Computer Science, Engineering, or related field.