Senior Java Spring Boot Microservices Engineer

HAN Staffing; Delaware; On-site; USD 120,000 - 180,000; Full time

Job summary

HAN Staffing is seeking a Senior Java Developer to design, build, test, and deploy Java-based applications using Spring Boot. The role emphasizes RESTful API development, microservices architecture, and scalable systems in a modern cloud environment.

The ideal candidate will have strong Java expertise (8+), experience with Spring, and solid knowledge of databases and Git. Collaboration with product, QA, and DevOps teams is essential for success.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Strong proficiency in Java (8 or above).
• Experience with Spring / Spring Boot framework.
• Knowledge of REST APIs and microservices architecture.
• Familiarity with databases (MySQL, PostgreSQL, or NoSQL).
• Understanding of object-oriented design principles (OOP).
• Experience with version control (Git).
• Basic knowledge of cloud platforms (AWS/Azure/GCP).
• Strong problem-solving and analytical skills.

Responsibilities

• Design, develop, test, and deploy Java-based applications.
• Write clean, scalable, and efficient code following best practices.
• Collaborate with cross-functional teams (product, QA, DevOps).
• Troubleshoot, debug, and upgrade existing systems.
• Participate in code reviews and ensure code quality standards.
• Develop RESTful APIs and integrate with third-party services.
• Optimize application performance and scalability.
• Maintain technical documentation.

Skills

Java

Spring/Spring Boot

REST APIs

Microservices

OOP

Git

Cloud basics

Problem solving

Education

Bachelor’s degree in Computer Science or related field

Tools

Docker

Kubernetes

CI/CD

Hibernate/JPA

MySQL/PostgreSQL/NoSQL

Git (version control)

Job description

HAN Staffing is seeking a Senior Java Developer to design, build, test, and deploy Java-based applications using Spring Boot. The role emphasizes RESTful API development, microservices architecture, and scalable systems in a modern cloud environment.

The ideal candidate will have strong Java expertise (8+), experience with Spring, and solid knowledge of databases and Git. Collaboration with product, QA, and DevOps teams is essential for success.