Senior Developer

Overview

Leidos is seeking a Software Developer to contribute to a large, 200+ person technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM and ICAM, authentication, authorization, entitlements and digital policy management. The role collaborates with a substantial team of developers and cloud engineers to add features to legacy applications and to build new solutions as mission needs evolve. Work follows a Scrum framework with three-week increments, including planning and Jira backlog grooming. Team members share in on-call after-hours support, approximately one week every three months.

Responsibilities

• Join a team of developers and cloud engineers to create new features for legacy applications and to develop new applications as mission requirements grow.
• Operate within a Scrum based cadence to deliver iterative enhancements on a three-week cycle.
• Actively participate in planning, backlog grooming in Jira, and collaborate to optimize performance and maintain clear communication.
• Take part in a rotating on-call O&M responsibility, typically about one week per quarter.

Required Qualifications

• Active TS/SCI clearance with Polygraph
• BS degree with 8+ years of relevant experience; additional experience may substitute for the degree
• Experience building applications with Java, Spring Boot, and AWS
• Experience writing custom scripts to install and configure code on EC2 instances
• Experience with Git, Jenkins, and Rundeck
• Experience using CloudFormation scripts
• Experience creating RESTful APIs
• Experience working on a team that uses the Scrum framework
• Experience manipulating data in XML, JSON and YAML formats

Desired Qualifications

• AWS certification
• Experience delivering containerized applications with services similar to Docker and Kubernetes
• Experience creating applications or services using Python
• Experience with Elasticsearch and/or Kibana
• Experience creating applications that rely on tokenization
• Understanding of Identity Access Management (IAM) and Zero Trust concepts
• Understanding of AI concepts such as prompt engineering and large language models
• Experience building microservices
• Experience with automated testing frameworks such as Katalon Studio or Selenium
• Experience building solutions designed to continue operation if one AWS region becomes unavailable
• Experience writing custom scripts to install and configure code on EC2 instances

Original Posting

Original Posting: November 3, 2025

Pay Range

Pay Range: $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation. Additional factors considered in offers include responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, market data alignment, applicable bargaining agreements (if any), or other laws.

Location

Chantilly, VA 20151

About Leidos

Leidos is a technology and services leader serving government and commercial clients with smarter, mission-focused digital solutions. Headquartered in Reston, Virginia, the company employs about 47,000 professionals worldwide and reported approximately $16.7 billion in revenue for the fiscal year ending January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are central to career decisions. Leidos offers competitive compensation and programs for health and wellness, income protection, paid leave and retirement. Details are available at www.leidos.com/careers/pay-benefits.