Java Backend Engineer | Spring Boot, Microservices, Azure

Ethereum Technologies LLC; Atlanta (GA); On-site; USD 81,000 - 115,000; Full time

Job summary

Ethereum Technologies in Atlanta, GA is seeking an experienced Java Backend Developer to design and build scalable services using Java, Spring Boot, and microservices. You will develop REST APIs, implement business rules with Drools/Kogito, and work with Linux, Kubernetes, and Azure.

The role requires strong SQL, performance tuning, and experience with CI/CD tools like Maven/Gradle, GitHub, and OpenAI Codex integration. This is a contract position of 10 months with competitive billing rate.

Qualifications

• Strong Java backend development experience with Spring Boot, Microservices, REST APIs, JPA/Hibernate.
• Hands-on experience with Drools/Kogito Rules Engine.
• Working knowledge of C/C++ programming.
• Strong SQL, database design, joins, indexing and query optimization.
• Experience with JUnit, Mockito, Maven/Gradle and API integrations.
• Strong Linux environment experience and Shell scripting.
• Hands-on experience with GitHub, GitHub CLI and Kubernetes.
• Experience with Microsoft Azure cloud services.
• Practical experience with Claude Code / OpenAI Codex and GitHub Copilot.
• Dental/Medical Insurance domain experience, especially claims processing, is preferred.
• Strong communication, analytical, troubleshooting and problem-solving skills.

Responsibilities

• Develop Java backend services using Spring Boot and microservices architecture.
• Implement REST APIs and data access with JPA/Hibernate.
• Incorporate Drools/Kogito rules into business processes.
• Work with Linux, Kubernetes, and Azure cloud services.
• Collaborate on CI/CD using Maven/Gradle and GitHub tooling.

Skills

Java

Spring Boot

Microservices

REST APIs

SQL

Linux

Shell scripting

C/C++

Kubernetes

Azure

GitHub

GitHub Copilot

Claude Code/OpenAI Codex

JUnit/Mockito

API integrations

Tools

Drools/Kogito

GitHub CLI

Maven/Gradle

Azure Cloud

OpenAI Codex

Job description

Ethereum Technologies in Atlanta, GA is seeking an experienced Java Backend Developer to design and build scalable services using Java, Spring Boot, and microservices. You will develop REST APIs, implement business rules with Drools/Kogito, and work with Linux, Kubernetes, and Azure.

The role requires strong SQL, performance tuning, and experience with CI/CD tools like Maven/Gradle, GitHub, and OpenAI Codex integration. This is a contract position of 10 months with competitive billing rate.