Senior Java Backend Engineer - Cloud-Native APIs

Leidos Inc; Clarksburg (WV); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos Inc in the United States is seeking an experienced Senior Software Engineer with a strong backend focus to design, build, test and maintain scalable software systems. This role emphasizes backend services, APIs, and cloud-native architectures, with collaboration across product managers, designers, and engineers to deliver reliable, high-performance applications.

The ideal candidate has 4-8 years of software development experience, expertise in Java, Spring Boot, Hibernate, RESTful APIs,

Qualifications

• Bachelor's degree in computer science, software engineering, or related field.
• 4–8 years of professional software development experience.
• Experience building RESTful APIs and microservices architectures.
• Strong backend development experience and cloud platform experience (AWS/Azure/GCP).
• Familiarity with CI/CD pipelines and agile project management tools.

Responsibilities

• Design and develop scalable backend services, APIs, and microservices.
• Create and maintain testing architecture plans and system design.
• Build, test, and maintain high-performance, secure, and reliable applications.
• Collaborate with product managers, designers, customers, and engineers.
• Write clean, maintainable, well-tested code following best practices.
• Review code and mentor junior engineers.
• Optimize applications for performance, scalability, and reliability.
• Support CI/CD pipelines and cloud infrastructure for the application.
• Participate in Agile ceremonies including sprint planning, standups, and retrospectives.

Skills

Backend development

Microservices architecture

RESTful APIs

Testing (end-to-end/integration)

Relational databases

Cloud platforms (AWS/Azure/GCP)

Agile/Scrum

CI/CD concepts

Code review & mentoring

Education

Bachelor's degree in Computer Science or related field

Tools

Java

Spring Boot

Hibernate

Docker

Kubernetes

Git

GitLab

Jira

Confluence

Job description

Leidos Inc in the United States is seeking an experienced Senior Software Engineer with a strong backend focus to design, build, test and maintain scalable software systems. This role emphasizes backend services, APIs, and cloud-native architectures, with collaboration across product managers, designers, and engineers to deliver reliable, high-performance applications.

The ideal candidate has 4-8 years of software development experience, expertise in Java, Spring Boot, Hibernate, RESTful APIs,