Posted 5 months ago
Java Backend Developer
MississaugaRemoteFull-time
AI Summary
Designs, develops, and maintains backend services and microservices using Core Java and Spring Boot; builds RESTful APIs and works with SQL/NoSQL databases to support scalable backend systems.
About this role
Key Responsibilities
- Design, develop, and maintain backend services using Core Java and Spring Boot
- Build and manage Microservices-based architecture
- Develop and consume RESTful APIs
- Work with SQL and/or NoSQL databases for data storage and retrieval
- Collaborate with frontend developers, DevOps teams, and stakeholders
- Optimize application performance, scalability, and security
- Participate in code reviews, testing, and deployment processes
- Troubleshoot and resolve production issues
🧠 Required Skills
- Strong experience in Core Java
- Hands-on expertise in Spring Boot
- Experience with Microservices architecture
- Solid understanding of REST API development
- Experience with SQL (MySQL, PostgreSQL) and/or NoSQL databases (MongoDB, Cassandra)
- Good understanding of data structures and algorithms
- Familiarity with Git and version control systems
☁️ Preferred Skills (Nice to Have)
- Experience with cloud platforms (AWS/Azure)
- Knowledge of Docker / Kubernetes
- Exposure to CI/CD pipelines (Jenkins, GitHub Actions)
- Understanding of security best practices (OAuth, JWT)
Skills
CassandraCore JavaDockerGitGitHub ActionsJenkinsJWTKubernetesMicroservicesMongoDBMySQLOAuthPostgreSQLREST APISpring Boot
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Market data for backend engineer roles
All reports →- Role reportBackend engineer jobs, Sep 2026: new listings up 22.7% in a weekBackend engineer new listings rose 22.7% this week to 481, with 4,949 active roles. Senior positions make up over half. Apply early to new openings.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.