Software Application Developer at Leidos in Reston, VA

Software Application Developer

Location: Reston, VA

Leidos is in need of a software applications developer to support a dynamic and exciting software development program. This position will be part of a team of application developers supporting multiple projects, which include high profile high visibility projects offering technical learning opportunities. Most of our projects are all within the cloud and support multiple mission partners. The ideal candidate will have AWS experience developing for the cloud to include complete secure cloud integrations, optimizing cloud connectivity, and managed cloud services. The selected candidate will be joining a team working on a high priority Salesforce project and expected to come up to speed as quickly as possible.

Primary Responsibilities:

• The ideal software developer will have the capacity to develop web applications using Java, JavaScript, NodeJS, and/or Angular.
• ServiceNow and Salesforce skills are desirable skill sets to support emerging technology.
• The developer will work with the overall program team in the design and development of new applications as well as integrating new solutions on existing applications.
• The candidate will be able to analyze and solve complex application development needs to identify solutions to include potential new tools/technologies.
• A strong candidate will have commanding knowledge of JavaScript software development principles and be energized by the capability to learn and implement new skills.
• The candidate should be proficient in web application development to include troubleshooting and software upgrades.
• Products and/or services reside in development, test and production AWS environments.
• Experience working in a DevOps environment developing within an Agile environment using code delivery mechanisms, such as Maven, Ant, continuous build systems such as Jenkins, Nitro, Git, and code repositories such as Subversion.

Basic Qualifications:

• Requires a Bachelor and a minimum of 12 years of prior relevant experience or Masters with minimum of 10 years of prior relevant experience
• Clearance: Must have an active TS/SCI with Polygraph to be considered
• Highly desired for candidates to have Salesforce Development – Platform experience or a willingness to learn/get training on Salesforce quickly.
• Experience with JavaScript, TypeScript, and front-end frameworks including Angular, Vue, and React
• Experience with Python, Java and/or Node
• Experience with Rest API development
• Experience with Serverless Application Development
• Working knowledge of AWS services, specifically: RDS (MySQL), DynamoDB, Lambda, and Open Search
• Working knowledge of Automation Tools, specifically: Cloud Formation, Jenkins, and CDK
• Comfortable operating in a Linux development environment
• Comfortable utilizing VSCode
• Excited about tackling unfamiliar tech stacks and adapting quickly to new tools and challenges

Preferred Qualifications:

• Salesforce Development – Platform
• Apex experience
• Lighting web components
• Process automation
• ServiceNow Development/Administration
• Docker Container experience
• Experience developing in PHP or the willingness to learn PHP
• Experience developing HTML views with CSS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 8, 2026

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.