
Open since Jun 2026
Java Backend DeveloperJobs for Humanity · O'Fallon
Java Backend Developer
O'FallonOn-siteFull-time
AI Summary
Design, develop, and maintain backend applications using Java 8 and the Spring Framework, build real-time event-driven systems with Kafka, and collaborate with cross-functional teams to deliver scalable solutions.
About this role
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.
- 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
All your information will be kept confidential according to EEO guidelines.
Skills
AWSAzureDockerGCPGitJava 8JUnitKafkaKubernetesMicroservicesMockitoNoSQLREST APISpring BootSpring FrameworkSpring MVCSQL
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Market data for backend engineer roles
All reports →- Role reportBackend engineer jobs, Sep 2026: new listings up 22.7% in a weekBackend engineer new listings rose 22.7% this week to 481, with 4,949 active roles. Senior positions make up over half. Apply early to new openings.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.