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Leidos

Mid-Level Software Engineer

Leidos
Gaithersburg, MD $87k - $157k/yr Full time Posted 14d ago
Backend Developer Python API APIs Cloud Cloud Native Cloud Platform Cloud Platforms Databases DevOps Docker Frontend Full Stack Git Java Language JavaScript Kubernetes Midlevel Software Development Software Engineer Software Engineering
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Job Description

Leidos invites applications for a Mid-Level Software Engineer to support the Chinook Program, delivering secure, cloud-native software for an Intelligence Community customer. This onsite role in Gaithersburg, MD focuses on building and delivering full-stack solutions that enable GEOINT missions with robust security and scalable architectures.

Location: Gaithersburg, MD (onsite)

Responsibilities

  • Design, develop, test, and deploy software aligned with the GEOINT mission requirements.
  • Participate in agile sprints, contributing to daily stand-ups, sprint planning, and retrospectives.
  • Build and maintain secure, containerized applications using Docker, Kubernetes, and AWS.
  • Develop RESTful APIs and user interfaces with modern frameworks such as React, Node.js, Flask, or Spring Boot.
  • Collaborate with mission users and product managers to refine requirements and improve user experiences.
  • Support DevSecOps pipelines and ensure compliance with security and accreditation standards.
  • Participate in code reviews and mentor junior developers as needed.
  • Address tasks prioritized by the product owner to sustain progress across sprints.

Requirements

  • U.S. citizenship is required for the contract.
  • Master’s degree in Computer Science, Software Engineering, or a related field with 2-6 years of relevant experience; or a bachelor’s degree with 4-8 years of relevant experience.
  • Active Top Secret/SCI clearance with the ability to pass a polygraph examination.
  • Web technologies including HTML, CSS, JSON, Ajax, and REST APIs.
  • Object-oriented programming with Python, Java, or JavaScript; advanced experience with Go.
  • Front-end and back-end frameworks such as React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.
  • Cloud development experience on AWS, Azure, or similar platforms; familiarity with AWS GovCloud or similar environments is a plus.
  • Relational databases including MySQL, PostgreSQL, or SQL Server; operating systems in Windows and Linux.
  • Version control with Git; experience with CI/CD tools (GitLab CI, Jenkins) and agile tools (JIRA, Confluence).
  • Strong understanding of modern software design patterns, coding standards, and secure coding practices aligned with government accreditation processes (RMF, STIGs).
  • Experience architecting, developing, and delivering complex software systems into production.
  • Desire and aptitude to learn new programming languages, tools, frameworks, and techniques.

Technologies

  • HTML, CSS, JSON, Ajax, REST APIs
  • Python, Java, JavaScript, Go
  • React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, Svelte
  • Docker, Kubernetes
  • AWS, Azure
  • MySQL, PostgreSQL, SQL Server
  • Windows, Linux
  • Git, GitLab CI, Jenkins
  • OpenSearch, Elasticsearch, Terraform, Ansible
  • GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
  • S3, SQS, SNS, EC2, CloudFormation, RDS
  • IBM Cloud, Google Cloud, Oracle Cloud

Benefits

  • Competitive compensation
  • Health and wellness programs
  • Income protection
  • Paid leave
  • Retirement plans

Compensation

Salary range: USD 87,100 to 157,450 per year.

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