Java Backend Developer

Jobs for Humanity; O’Fallon (MO); On-site; USD 90,000 - 120,000; Full time

Job summary

Jobs for Humanity in O'Fallon, Missouri seeks a software developer with expertise in Java 8, Spring frameworks, and Kafka. You will design and maintain backend applications, collaborate with teams, and ensure high code quality. Ideal candidates will have 7-10 years of experience and a degree in computer science. Familiarity with cloud platforms like AWS, Docker, and Agile practices is preferred. This position emphasizes scalable solutions and code quality assurance.

Qualifications

• 7-10 years of experience in software development.
• Strong knowledge of CI/CD and DevOps practices.
• Familiar with Agile/Scrum methodologies.

Responsibilities

• Design, develop, and maintain backend applications.
• Build real-time, event-driven systems using Kafka.
• Collaborate with cross-functional teams for scalable solutions.
• Ensure code quality through reviews and best practices.
• Troubleshoot issues in various environments.
• Continuously improve development processes.

Skills

Java 8

OOP concepts

Spring Boot

Spring MVC

Kafka

REST APIs

Microservices

SQL databases

NoSQL databases

Git

Education

Bachelor’s degree in computer science, IT, or a related field

Tools

Docker

Kubernetes

Job description

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.