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Java Backend Developer

Jobs for Humanity

On-site
O'Fallon, MO
Full-time
Senior
7+ yrs
Salary not listedPosted 4w ago

Real job — pulled straight from Jobs for Humanity’s careers page · Verified July 17, 2026 · No reposts.

Job description

Jobs for Humanity is hiring a Java Backend Developer — a full-time, based in O'Fallon, MO role. Apply directly on Jobs for Humanity's careers page below.

Java Backend Developer

Location: O'Fallon, MO, us

Job Description

Key Responsibilities:

  • Design, develop, and maintain backend applications using Java 8 and the Spring Framework.
  • Build real-time, event-driven systems using Kafka.
  • Collaborate with cross-functional teams to deliver scalable solutions.
  • Ensure code quality through reviews and best practices.
  • Troubleshoot issues across development, testing, and production environments.
  • Continuously improve development processes and systems.

Mandatory Skills:

  • Strong experience in Java 8 and OOP concepts.
  • Hands-on experience with Spring Boot and Spring MVC.
  • Expertise in Kafka (real-time streaming and pipelines).
  • Solid understanding of REST APIs and Microservices.
  • Experience with SQL and NoSQL databases.
  • Familiarity with Git.

Qualifications

  • Cloud platforms (AWS, Azure, or GCP).
  • Docker and Kubernetes.
  • Agile/Scrum experience.
  • CI/CD and DevOps practices.
  • Unit testing (JUnit or Mockito).
  • Bachelor’s degree in computer science, IT, or a related field.
  • Experience: 7–10 Years

Additional Information

All your information will be kept confidential according to EEO guidelines.

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Frequently asked questions

What skills are required for Java Backend Developer at Jobs for Humanity?

The required skills for Java Backend Developer at Jobs for Humanity include: Java, Spring Boot, Kafka, REST, Microservices, SQL, NoSQL, Git, AWS, Azure, GCP, Docker, Kubernetes, Agile, Scrum, CI/CD, DevOps, JUnit.

What is the seniority level for Java Backend Developer at Jobs for Humanity?

Java Backend Developer at Jobs for Humanity is a Senior level position.

How do I apply for Java Backend Developer at Jobs for Humanity?

You can view the full description and apply for Java Backend Developer at Jobs for Humanity on EchoJobs: https://echojobs.io/job/jobs-for-humanity-java-backend-developer-f95bq.