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Leidos

Senior Java Software Developer

Leidos
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senior full-time $87,100.00 - $157,450.00 Clarksburg, WV

First indexed 25 Oct 2026

Description

We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test, and maintain scalable software systems. This role will play a key part in architecting backend services, developing APIs, and collaborating with the development team to deliver reliable, high-performance applications.

Key Responsibilities:

  • Design and develop scalable backend services, APIs, and microservices.
  • Create and maintain full-scale testing architecture plans and system design for software applications.
  • Build, test, and maintain high-performance, secure, and reliable applications.
  • Collaborate with product managers, designers, customers, and engineers to deliver new features.
  • 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 applications.
  • Participate in Agile ceremonies, including sprint planning, standups, and retrospectives, and PI planning events.
  • Troubleshoot production issues and implement long-term solutions.
  • Function as a technical expert across multiple project assignments.

Required Qualifications:

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent experience.
  • 4-8 years (or 2-6 years with a Master’s Degree) of professional software development experience.
  • Strong backend development experience in languages such as Java, Spring Boot, and Hibernate.
  • Experience building RESTful APIs and microservices architectures.
  • Strong knowledge of relational databases (PostgreSQL, MySQL, etc.).
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience with agile project management software such as Jira, Confluence, etc.
  • Familiarity with containerization technologies like Docker and Kubernetes.
  • Experience with version control systems such as Git.
  • Experience with CI/CD pipelines such as Gitlab.
  • Strong understanding of software architecture, design patterns, and system scalability.

Preferred Qualifications:

  • Experience with frontend frameworks (React, Angular, or Vue).
  • Knowledge of infrastructure-as-code tools (Terraform, CloudFormation).
  • Experience with observability tools (Datadog, Prometheus, Grafana).

Key Competencies:

  • Strong problem-solving and analytical thinking.
  • Passion for quality control and improving engineering practices.
  • Excellent communication and collaboration skills.
  • Ownership mindset and accountability for deliverables.

The salary range for this position is $87,100.00 - $157,450.00.

This listing is enriched and indexed by YubHub. To apply, use the employer's original posting: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Clarksburg-WV/Senior-Java-Software-Developer_R-00190334