Lead Full-Stack Java Engineer - Spring Boot & Microservices

Ethereum Technologies LLC; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Ethereum Technologies is seeking a senior Java developer in Jersey City, NJ to design, build, and maintain Java/J2EE applications and microservices. You will lead architecture decisions, collaborate with cross-functional teams, and mentor junior developers while ensuring robust, scalable solutions.

The role emphasizes proficiency in Spring Boot, RESTful services, and frontend integration with Angular or React, with a strong focus on performance and code quality.

Qualifications

• Bachelor’s or master’s degree in computer science, engineering, or a related field.
• 5+ years’ experience in Java/J2EE, Spring, and related technologies.
• 5+ years hands-on experience in Java and J2EE with Java 8+ features.
• 5+ years’ experience in Spring Boot.
• 5+ years’ experience in UI framework like Angular or REACT.
• 5+ years’ experience in building REST web services and microservices.
• 5+ years’ experience with Gradle and Maven.
• 5+ years’ experience with Git.
• 5+ years’ experience with Linux/Unix environments.
• Strong problem-solving and communication skills; SQL knowledge.

Responsibilities

• Develop, maintain, and implement Java-based components, applications, and frameworks.
• Lead the design and architecture of Java-based solutions.
• Collaborate with other developers, designers, and system administrators to integrate components.
• Troubleshoot and resolve issues in Java applications.
• Develop and maintain software documentation.
• Provide technical guidance and mentoring to junior developers.
• Keep up-to-date with Java technologies and trends.
• Optimize existing code for performance.
• Analyze existing code and implement changes.
• Participate in code reviews and suggest improvements.

Skills

Java/J2EE

Spring Framework

UI Framework (Angular/React)

REST Web Services

Microservices

Data Structures & Algorithms

Agile Development

Problem Solving

SQL Relational Databases

Multithreading

Git

Education

Bachelor’s or Master’s in CS/Engineering/related

Tools

Gradle

Maven

Git

Linux/Unix

Job description

Ethereum Technologies is seeking a senior Java developer in Jersey City, NJ to design, build, and maintain Java/J2EE applications and microservices. You will lead architecture decisions, collaborate with cross-functional teams, and mentor junior developers while ensuring robust, scalable solutions.

The role emphasizes proficiency in Spring Boot, RESTful services, and frontend integration with Angular or React, with a strong focus on performance and code quality.