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Leidos
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April 30, 2026
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Software Engineer - Mid Level

Clarksburg, WV
Full-time
Hybrid
$70K/yr - $126K/yr
Entry, Mid Level
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. They are seeking a Mid-Level Software Engineer to design, build, test, and maintain scalable software systems, focusing on both front-end and back-end services and API development.
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Responsibilities

  • Responsible for writing and maintaining source code, creating and maintaining software applications and applying frameworks involved in a software release
  • Duties include computer programming, documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved in a software release life cycle and resulting in a software product
  • Expertise in one or more programming language is required
  • Works to achieve day-to-day objectives with moderate impact on the area/ project team. Works independently on larger, moderately complex projects/assignments. May assist other technical staff with tasks and assignments
  • Communicates with colleagues across multiple areas (project managers, other technical resources, etc.). Explains technical solutions, practices and procedures to others within the organization

Qualification

Required

  • Typically requires BS degree and 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience
  • Must hold an active Secret security clearance
  • Expertise in front end web application development in one or more programming languages is required
  • Java
  • JavaScript
  • Spring Boot
  • Knowledge of working with 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
  • Knowledge of software architecture, design patterns, and system scalability

Preferred

  • Experience with frontend frameworks (React, Angular, or Vue)
  • Experience building RESTful APIs and microservices interfaces
  • Automated testing experience in end-to-end testing, regression testing, integration testing, etc
  • Spring Boot
  • Hibernate
  • Hibernate using native queries
  • Experience with CI/CD pipelines such as Gitlab
  • Knowledge of infrastructure-as-code (IaC) tools (Hashicorp Terraform, CloudFormation, Ansible)
  • Experience with observability tools (Datadog, Prometheus, Grafana, CloudWatch, Elastic Search)
  • A working knowledge and experience with the following are preferred as they will be used to complete Software Engineering tasks: SAFe 6, EDB Postgres, an IDE such as Eclipse or IntelliJ, Git, Python, Jenkins, Kubernetes, Argo, Docker, Red Hat Linux, SQL Developer, Jira, Bitbucket, OpenShift, SmartBear ReadyAPI, SoapUI, LoadUi, Java, Spring, Maven/Gradle, ActiveVOS, Camel, NEIM XML, EBTS, SecDevOps

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.
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Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com