Onsite Core Java Engineer Columbus – Spring Boot

Ethereum Technologies; Columbus (OH); On-site; USD 90,000 - 130,000; Full time

Job summary

Ethereum Technologies in Columbus, OH is seeking an experienced Core Java Developer to join onsite. You will design and implement high-performance backend systems using Core Java, Spring Boot, and REST APIs, with a focus on multithreading, concurrency, and scalable data structures.

The role requires hands-on expertise, JPMC experience is preferred; relocation or local availability is required. You will collaborate with cross-functional teams in an Agile environment and contribute to production

Qualifications

• Hands-on Core Java development experience (Java 8+).
• Strong knowledge of OOP, collections, exceptions, generics, and concurrency.

Responsibilities

• Develop and maintain high-performance backend apps in Core Java.
• Build REST APIs and microservices using Spring Boot.
• Optimize performance, troubleshoot production systems.
• Write efficient SQL queries and work with relational DB.
• Participate in code reviews, unit testing, and Agile processes.
• Collaborate with cross-functional teams on enterprise applications.

Skills

Core Java

Multithreading

Concurrency

OOP

Design patterns

Spring Framework

Spring Boot

REST APIs

SQL

Unit testing

Git

Maven/Gradle

Problem-solving

Tools

Docker

Kubernetes

Jenkins

Hibernate

Job description

Ethereum Technologies in Columbus, OH is seeking an experienced Core Java Developer to join onsite. You will design and implement high-performance backend systems using Core Java, Spring Boot, and REST APIs, with a focus on multithreading, concurrency, and scalable data structures.

The role requires hands-on expertise, JPMC experience is preferred; relocation or local availability is required. You will collaborate with cross-functional teams in an Agile environment and contribute to production