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Core Java Developer

Stellar IT SolutionsSt. Louis, MO🇺🇸United StatesPosted 17 Aug 2026

Why This Role Stands Out

This remote Core Java Developer role offers an exciting opportunity to build scalable, secure applications using microservices and containerization, perfect for experienced backend engineers eager to enhance their skills. You'll collaborate with a dynamic team at a reputable company, enjoying flexibility and the chance to make a significant impact. Apply today to leverage your Java expertise and contribute to innovative technology solutions.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
St. Louis, MO, United States
Posted
4 weeks ago
DockerMicroservicesSpringSpring BootJavaKubernetesPostmanREST

Job Description

Position: Core Java Developer

Location: Remote

Duration: 6+ Months Contract

Role Overview

We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable, and productionready applications. The ideal candidate will have strong expertise in Java, microservices architecture, and containerization, with handson experience in developing REST APIs and implementing secure coding practices. This role requires deep technical proficiency in backend engineering, combined with the ability to collaborate across teams and deliver highquality solutions in enterprise environments.

Key Responsibilities

  • Design, develop, and maintain Core Java applications with a focus on scalability and performance.

  • Build and integrate microservices architectures using Spring Boot, Spring Security, and Spring Web MVC.

  • Develop and optimize REST APIs for secure and efficient communication between services.

  • Implement secure coding practices to remediate vulnerabilities and ensure compliance with enterprise standards.

  • Work with containerization platforms (Docker, Kubernetes, OpenShift) to deploy and manage applications.

  • Collaborate with crossfunctional teams including QA, DevOps, and product owners to deliver productionready solutions.

  • Conduct code reviews, troubleshoot issues, and provide technical guidance to junior developers.

  • Support CI/CD pipelines and ensure smooth deployment processes.


Required Skills

  • Strong expertise in Core Java development.

  • Handson experience with containerization (Docker, Kubernetes, OpenShift).

  • Proficiency in microservices architecture and REST API development.

  • Solid knowledge of Spring Boot, Spring Security, Spring Web MVC.

  • Experience with secure coding practices and vulnerability remediation.


Nice to Have

  • Experience with Harness for CI/CD orchestration.

  • Familiarity with Postman or other API testing tools.

  • Exposure to Red Hat OpenShift for enterprise container management.


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