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Mid-Level Software Engineer

Job in Englewood, Arapahoe County, Colorado, 80151, USA
Listing for: Leidos
Full Time position
Listed on 2026-07-14
Job specializations:
  • Software Development
    Full Stack Developer, AWS, Software Engineer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 95000 - 135000 USD Yearly USD 95000.00 135000.00 YEAR
Job Description & How to Apply Below

Overview

Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical national security missions while working alongside some of the industry’s brightest engineers, architects, and mission experts.

Locations
  • Gaithersburg, MD
  • Alexandria, VA
  • Chantilly, VA
  • Englewood, CO
  • St. Louis, MO
  • Tucson, AZ
Clearance Level Required

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities
  • Design, develop, test, and deploy software solutions that support our customer’s GEOINT mission.
  • Participate in agile development sprints and contribute to daily stand-ups, sprint planning, and retrospectives.
  • Build and maintain secure, containerized applications using technologies such as Docker, Kubernetes, and AWS.
  • Develop RESTful APIs and user-facing interfaces with modern tools such as React, Node.js, Flask, or Spring Boot.
  • Collaborate with mission users and product managers to refine requirements and improve user experience.
  • Support Dev Sec Ops  pipelines and ensure code meets security and accreditation standards.
  • Participate in code reviews and mentor junior developers as needed.
  • Resolve various tasks as prioritized by the team product owner.
Basic Qualifications
  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master’s with 2-6 years of prior relevant experience.
  • Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
  • Proficiency with the following technologies:
    • Web: HTML, CSS, JSON, Ajax, and REST APIs
    • Object-oriented Programming:
      Python, Java, or Java Script
    • Advanced Programming:
      Go
    • Front-end and Back-end Frameworks:
      React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte
    • Cloud Development: AWS, Azure, or similar cloud platforms
    • Relational Database:
      MySQL, PostgreSQL, or SQL Server
    • Operating System:
      Windows, Linux
    • Version Control System:
      Git
  • Deep understanding of modern software design patterns and coding standards.
  • Experience architecting, developing, and delivering complex software systems into production.
  • Experience with CI/CD tools such as Git Lab CI, Jenkins and agile collaboration tools such as JIRA, Confluence.
  • Familiarity with cloud environments such as AWS (C2S or Gov Cloud) and containerization technologies such as Docker, Kubernetes.
  • Understanding of secure coding practices and government system accreditation processes such as RMF, STIGs.
  • Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.
Preferred Qualifications
  • Frontend Web Development: UI/UX
  • No

    SQL Database:
    Open Search/Elasticsearch.
  • Cloud Exposure:
    • Multi-cloud architectures such as AWS, IBM, Google, Azure, and Oracle.
    • Specific AWS Services: S3, SQS, SNS, EC2, Cloud Formation and RDS.
  • Experience working on a customer contract or in the Intelligence Community.
  • Familiarity with geospatial tools and standards such as Geo Server, PostGIS, OGC APIs, and ESRI ArcGIS.
  • Exposure to Infrastructure-as-Code (Terraform, Ansible).
  • Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar.
Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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