Senior Backend Engineer - Java/Spring Boot & Microservices

JobCubby; Jersey City, Northern (NJ, KY); On-site; USD 44,000 - 154,000; Full time

Job summary

JobCubby in Jersey City, NJ is seeking an experienced Backend Developer with 5+ years of hands-on experience to design, develop, and maintain scalable backend applications and services.

You will build robust RESTful APIs and microservices, optimize databases, work with cloud platforms, and collaborate with cross-functional teams to deliver reliable, secure systems. Candidates should follow best practices, write tests, and participate in code reviews.

Qualifications

• 5+ years of hands-on backend development experience.
• Experience designing, developing, and maintaining scalable backend apps and services.
• Proficiency with REST APIs and microservices.
• Strong knowledge of databases, cloud technologies, and DevOps practices.
• Experience with CI/CD, testing, and code reviews.
• Excellent collaboration and communication skills.

Responsibilities

• Design, develop, and maintain scalable backend applications.
• Develop and integrate RESTful APIs and microservices.
• Participate in architecture and technical design discussions.
• Design and optimize database schemas, queries, indexes, and data models.
• Identify and resolve performance, scalability, and reliability issues.
• Implement secure authentication, authorization, and data protection mechanisms.
• Write clean, reusable, maintainable, and well-tested code.
• Develop unit, integration, and automated tests.
• Conduct code reviews and ensure adherence to coding standards and best practices.
• Troubleshoot production issues and perform root-cause analysis.
• Work with DevOps teams on CI/CD, deployment, monitoring, and release management.
• Collaborate with frontend developers, QA engineers, DevOps, product managers, and business teams.
• Contribute to technical documentation and knowledge-sharing initiatives.
• Mentor junior developers and provide technical guidance where required.

Skills

Java Spring

Python Django

Node Express

C# .NET

Go

REST APIs

Microservices

OAuth2 JWT

Cloud: AWS

CI/CD

Unit Tests

Git

Tools

Docker

Kubernetes

PostgreSQL

MySQL

MongoDB

Redis

Kafka

Job description

JobCubby in Jersey City, NJ is seeking an experienced Backend Developer with 5+ years of hands-on experience to design, develop, and maintain scalable backend applications and services.

You will build robust RESTful APIs and microservices, optimize databases, work with cloud platforms, and collaborate with cross-functional teams to deliver reliable, secure systems. Candidates should follow best practices, write tests, and participate in code reviews.