Senior Java Backend Developer

Ethereum Technologies; Phoenix (AZ); On-site; USD 140,000 - 190,000; Full time

Job summary

Ethereum Technologies in Phoenix, AZ is seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable enterprise applications and microservices. The role requires deep expertise in Java, Spring Boot, cloud-native architectures, and distributed systems, with hands-on leadership and mentoring responsibilities.

You will own RESTful services, collaborate across product, QA, DevOps, and frontend teams, and drive CI/CD pipelines and cloud deployments.

Qualifications

• 10-15 years of overall software development experience.
• Strong hands-on experience in Java and Spring Boot-based enterprise applications.
• Proven expertise in microservices and cloud-native architecture.
• Experience in system design, application scalability, and performance optimization.
• Strong technical leadership, analytical, communication, and problem-solving skills.

Responsibilities

• Design, develop, test, and deploy enterprise-grade microservices using Java and Spring Boot.
• Lead technical design discussions and define scalable application architecture.
• Develop and maintain RESTful APIs and distributed applications.
• Conduct code reviews, mentor developers, and ensure coding standards.
• Identify performance bottlenecks and optimize application and database performance.
• Troubleshoot complex production issues and perform root cause analysis.
• Implement secure, scalable, and fault-tolerant backend solutions.
• Collaborate with Product Managers, QA, DevOps, and Frontend teams.
• Support CI/CD, cloud deployments, and containerized applications.

Skills

Java

Spring Boot

Microservices

Cloud technologies

Distributed systems

Technical leadership

Problem solving

Mentoring

REST APIs

CI/CD

Tools

Docker

Kubernetes

Jenkins

GitLab CI

GitHub Actions

Apache Kafka

RabbitMQ

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

We are looking for an experienced Senior Java Backend Developer with 10-15 years of experience in designing, developing, and maintaining scalable, high-performance enterprise applications and microservices. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, Cloud technologies, and distributed systems, along with proven technical leadership and problem-solving skills.

Key Responsibilities

• Design, develop, test, and deploy enterprise-grade microservices using Java and Spring Boot.
• Lead technical design discussions and define scalable application architecture.
• Develop and maintain RESTful APIs and distributed applications.
• Conduct code reviews, mentor developers, and ensure coding standards.
• Identify performance bottlenecks and optimize application and database performance.
• Troubleshoot complex production issues and perform root cause analysis.
• Implement secure, scalable, and fault-tolerant backend solutions.
• Collaborate with Product Managers, QA, DevOps, and Frontend teams.
• Support CI/CD, cloud deployments, and containerized applications.
• Core Java: Java 11/17+, OOP, Multithreading, Concurrency, Collections, Design Patterns.
• Cloud & DevOps: AWS/Azure/GCP, Docker, Kubernetes, Jenkins, GitLab CI, or GitHub Actions.
• Messaging: Apache Kafka, RabbitMQ, or JMS.
• Testing: JUnit, Mockito, TDD, Unit Testing, and Integration Testing.
• 10-15 years of overall software development experience.
• Strong hands-on experience in Java and Spring Boot-based enterprise applications.
• Proven expertise in microservices and cloud-native architecture.
• Experience in system design, application scalability, and performance optimization.
• Strong technical leadership, analytical, communication, and problem-solving skills.
• Ability to mentor developers and collaborate effectively with cross-functional teams.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.