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Freelance Remote Java Engineer Jobs in Missouri (NOW HIRING)

$40.50 - $52.25/hr

Our partner is looking for a Fullstack Developer (Java, React) based in Netherlands. Join a ... Mentoring program to support your professional and technical growth. * 100% remote work

$6 - $65/hr

You'll help evaluate and strengthen AI performance across software engineering, coding, and complex ... Freelance contract opportunity with flexible remote work. * Pay ranging from $6 to $65 per hour ...

$11 - $30.65/hr

... remote environment. This is an opportunity to contribute directly to the improvement of next ... Use basic programming literacy to understand JSON structures, functions, methods, structured data ...

Title and Summary Software Engineer II Who is Mastercard Mastercard is a global technology company ... architecture with Java, Spring Boot and other relevant event driven/ remote procedure call ...

Senior Software Engineer

Columbia, MO · Remote

$116K - $153K/yr

This position is fully remote. We are looking for a Senior Software Engineer to help us continue to ... If you have production scale experience in a different stack (Go, Java, Scala, C#, etc.) and are ...

Depending on your interests, you may work with technologies including Java, Python, Angular, React ... Remote working opportunity within the United Kingdom. * Strong focus on innovation, engineering ...

... in a Java codebase and apply modern software engineering principles such as Clean Architecture ... Flexible, remote-friendly working environment designed for distributed collaboration. * High level ...

$40/hr

The Software Engineer Intern implements developer tools or product features on a rapid-release ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

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Freelance Remote Java Engineer information

What cities in Missouri are hiring for Freelance Remote Java Engineer jobs?

Cities in Missouri with the most Freelance Remote Java Engineer job openings:

Core Java Developer

Saint Louis, MO • Remote

Stellar IT Solutions LLC
IT Services • 51 - 200 employees

$50 - $55/hr

Contractor

Posted 22 days ago


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 production‑ready applications. The ideal candidate will have strong expertise in Java, microservices architecture, and containerization, with hands‑on 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 high‑quality 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 cross‑functional teams including QA, DevOps, and product owners to deliver production‑ready 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.

  • Hands‑on 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.