Senior Java Backend Engineer: Payments & Microservices

Ethereum Technologies; Missouri; On-site; USD 120,000 - 180,000; Full time

Job summary

Ethereum Technologies in Missouri is seeking an experienced software engineer with 7-12 years of hands-on Java/J2EE experience and strong background in Spring Boot, Spring MVC, Hibernate/JPA, and PostgreSQL. You will work on designing software solutions, APIs, and migrations within a payment domain, leveraging Docker, Kubernetes, Azure, and microservices.

The role requires familiarity with REST/SOAP, API gateways, and modern DevOps practices including CI/CD, Git, and testing frameworks.

Qualifications

• 7–12 years of software development experience.
• Hands-on expertise in Java, J2EE, Spring and relational databases.
• Experience with RESTful and SOAP web services and microservices architectures.
• Familiarity with testing, CI/CD and modern dev-ops tooling.

Skills

Java

J2EE

REST & SOAP

Spring Framework

Hibernate/JPA

Azure

Microservices

PostgreSQL

Docker

Kubernetes

Git

Jenkins

CI/CD

SonarQube

Splunk

Kafka

Maven

SQL

Unix shell

Jira

Agile

Tools

Docker

Kubernetes

Jenkins

PCF

Git

Jira

Bamboo

CI/CD tooling

SonarQube

Swagger/Postman

Job description

Ethereum Technologies in Missouri is seeking an experienced software engineer with 7-12 years of hands-on Java/J2EE experience and strong background in Spring Boot, Spring MVC, Hibernate/JPA, and PostgreSQL. You will work on designing software solutions, APIs, and migrations within a payment domain, leveraging Docker, Kubernetes, Azure, and microservices.

The role requires familiarity with REST/SOAP, API gateways, and modern DevOps practices including CI/CD, Git, and testing frameworks.