Senior Java Backend Engineer | AWS, Hybrid Chicago

Ethereum Technologies; Chicago (IL); Hybrid; USD 86,000 - 123,000; Full time

Job summary

Ethereum Technologies in Chicago seeks a Java Backend Developer with AWS to design, build, and maintain cloud-native microservices. You will work with Java 17+, Spring Boot, Python, and AWS services to deliver scalable RESTful APIs and event-driven solutions.

The role emphasizes resiliency, observability, and robust DevOps practices in a hybrid environment. We require 7+ years of backend experience, deep AWS knowledge, and strong database skills with PostgreSQL.

Qualifications

• 7+ years of backend experience building distributed systems.
• Expertise in Java 17+, Spring Boot, and Python.
• Extensive AWS experience across ECS/Fargate, EventBridge, SQS, SNS, Lambda, S3, CloudWatch.
• Strong relational DB skills with PostgreSQL/Aurora PostgreSQL.
• CI/CD & IaC with Jenkins, GitHub Actions, AWS CodePipeline, CloudFormation.
• Proficient in unit/integration testing (JUnit, Mockito).
• Bachelor's degree in CS, Engineering, or related field.

Responsibilities

• Design, build, deploy, and maintain scalable microservices and RESTful APIs.
• Architect fault-tolerant, high-availability solutions across AWS regions.
• Investigate incidents, perform RCA, and improve observability with CloudWatch.
• Create and optimize CI/CD pipelines using GitHub Actions, Jenkins, CodePipeline.
• Model relational data and optimize queries in Amazon Aurora PostgreSQL.
• Mentor juniors and enforce automated testing standards.

Skills

Java

Spring Boot

Python

AWS

PostgreSQL

CI/CD

Testing

Education

Bachelor's degree in CS/Engineering

Tools

ECS/Fargate

Lambda

S3

RDS/PostgreSQL

CloudWatch

Job description

Ethereum Technologies in Chicago seeks a Java Backend Developer with AWS to design, build, and maintain cloud-native microservices. You will work with Java 17+, Spring Boot, Python, and AWS services to deliver scalable RESTful APIs and event-driven solutions.

The role emphasizes resiliency, observability, and robust DevOps practices in a hybrid environment. We require 7+ years of backend experience, deep AWS knowledge, and strong database skills with PostgreSQL.