Mid-Level Software Engineer

Leidos is seeking a Mid-Level Full Stack Software Engineer for the Chinook Program supporting an Intelligence Community customer, building GEOINT mission software in an Agile environment with secure, cloud-native solutions.

Responsibilities

• Design, develop, test, and deploy software solutions to support 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 tools (e.g., React, Node.js, 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

Requirements

• US citizenship required per contract
• Bachelor’s degree in Computer Science, Software Engineering, or related field with 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 Web: 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: 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 Database: MySQL, PostgreSQL, or SQL Server
• Proficiency with Operating System: Windows, Linux
• Proficiency with Git (Version Control System)
• 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 (GitLab CI, Jenkins) and Agile collaboration tools (JIRA, Confluence)
• Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, 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

Preferred Qualifications

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

Technologies

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

Benefits

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

Location

• Englewood, CO (onsite)

Compensation

• USD 87,100 - 157,450 per yearly

Clearance Level Required

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

Posting Date

• July 10, 2026