Core Java Developer

Oorwin AI; St. Louis (MO); On-site; USD 120,000 - 150,000; Full time

Job summary

Oorwin AI is seeking an experienced Senior Core Java Developer to design and build secure, scalable backend systems in enterprise environments.

You will work with microservices, Spring Boot, Spring Security, and REST APIs, and containerization using Docker, Kubernetes, and OpenShift. Collaboration with QA, DevOps, and product teams will ensure production-ready solutions.

You'll apply secure coding practices, perform code reviews, and contribute to CI/CD improvements for reliable deployments.

Qualifications

• 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.

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.

Skills

Containerization

Microservices architecture

REST API development

Spring Boot

Spring Security

Spring Web MVC

Secure coding practices

Tools

Docker

Kubernetes

OpenShift

Job description

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

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.