Mid-Level Software Engineer

Leidos is seeking a Mid-Level Full Stack Software Engineer for the Chinook Program, supporting an Intelligence Community customer. In an Agile delivery environment, you will design, build, and deliver GEOINT mission software using secure, cloud-native approaches across the full software lifecycle.

Location

Englewood, CO (onsite)

Compensation

USD 87,100 - 157,450 per year

Summary

The Chinook Program role focuses on developing GEOINT mission software that supports customer objectives. Responsibilities span design, development, testing, and deployment, with emphasis on secure practices and containerized, cloud-native solutions within an Agile workflow.

Responsibilities

• Design, develop, test, and deploy software solutions supporting the customer’s GEOINT mission.
• Participate in Agile sprints, including 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 using modern web tools including React, Node.js, and Flask or Sprint Boot.
• Collaborate with mission users and product managers to refine requirements and improve user experience.
• Support DevSecOps pipelines and ensure code meets security and accreditation standards.
• Participate in code reviews and mentor junior developers as needed.
• Resolve tasks prioritized by the team product owner.

Required 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 degree with 2-6 years of prior relevant experience.
• Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
• Proficiency with web technologies: HTML, CSS, JSON, Ajax, and REST APIs.
• Proficiency with object-oriented programming: Python, Java, or JavaScript.
• Proficiency with advanced programming: Go.
• Proficiency with front-end and back-end frameworks including React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.
• Proficiency with cloud development: AWS, Azure, or similar cloud platforms.
• Proficiency with relational databases: MySQL, PostgreSQL, or SQL Server.
• Proficiency with operating systems: Windows, Linux.
• Proficiency with version control systems: 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 GitLab CI and Jenkins and agile collaboration tools such as JIRA and Confluence.
• Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies such as Docker and Kubernetes.
• Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs).
• Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Technology Stack

• React, Node.js, Flask, Sprint Boot
• Docker, Kubernetes, AWS
• REST APIs
• HTML, CSS, JSON, Ajax
• Python, Java, JavaScript, Go
• Angular, Vue.js, jQuery, Svelte
• Azure
• MySQL, PostgreSQL, SQL Server
• Windows, Linux
• Git, GitLab CI, Jenkins
• JIRA, Confluence
• AWS (C2S or GovCloud), RMF, STIGs

Clearance Requirements

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

Preferred Qualifications

• Frontend Web Development: UI/UX
• NoSQL database experience: OpenSearch/Elasticsearch
• Multi-cloud architecture experience across AWS, IBM, Google, Azure, and Oracle
• Exposure to specific AWS services such as S3, SQS, SNS, EC2, CloudFormation, and RDS
• Experience working on a customer contract or within the Intelligence Community (IC)
• Familiarity with geospatial tools and standards: GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
• Exposure to Infrastructure-as-Code tools such as Terraform and Ansible
• Certifications such as AWS Certified Developer, Security+, SAFe Practitioner, or similar

Benefits

• Competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

Job Posting Date

July 10, 2026