Senior Java Backend Engineer - Microservices & Performance

Matlen Silver; Newark (DE); On-site; USD 120,000 - 150,000; Full time

Job summary

Matlen Silver is seeking an experienced Java Developer to design, build, and maintain enterprise-grade applications using Java/J2EE and microservices. The role emphasizes backend development, scalability, and performance in a fast-paced Agile environment.

The ideal candidate has 7+ years of professional software development, deep knowledge of Java, J2EE, and multithreading, and experience with modern tooling and CI/CD pipelines to deliver reliable software.

Qualifications

• 7+ years of professional software development experience.
• Strong hands-on experience with Java and J2EE.
• Experience designing and developing microservices-based applications.
• Strong understanding of multithreading and concurrency in Java.
• Experience developing, debugging, and maintaining enterprise-level backend applications.
• Strong knowledge of object-oriented programming, design patterns, and application performance optimization.

Responsibilities

• Design, develop, test, and maintain Java/J2EE applications.
• Build and enhance scalable microservices-based solutions.
• Implement multithreaded applications to support performance and concurrent processing.
• Troubleshoot application issues and optimize performance and reliability.
• Collaborate with developers, architects, QA, and business stakeholders.
• Participate in code reviews, technical design discussions, and Agile development activities.

Skills

Java

J2EE

Microservices

Multithreading

Concurrency

OO Design

Design Patterns

Performance Optimization

Tools

Spring Boot

Spring Framework

RESTful API

Hibernate

SQL/ORM

Kafka

RabbitMQ

Git

Maven/Gradle

CI/CD

AWS

Docker

Kubernetes

Job description

Matlen Silver is seeking an experienced Java Developer to design, build, and maintain enterprise-grade applications using Java/J2EE and microservices. The role emphasizes backend development, scalability, and performance in a fast-paced Agile environment.

The ideal candidate has 7+ years of professional software development, deep knowledge of Java, J2EE, and multithreading, and experience with modern tooling and CI/CD pipelines to deliver reliable software.