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Software Application Developer

Leidos Open
Reston Full-time Mid-level Software Engineering

At a glance

Mid-level Software Engineering role at Leidos. Reston · full-time · $131,300–$237,350 base.

SalaryStated by Leidos
$131,300 – $237,350
Base salary for this role, in USD per year, as published in the posting.
This role, from LeidosOur estimate for the market: $116,385–$159,950Median $150,265
The range includes the market median of $150,265 for mid-level software engineering roles in Reston.
Worked out from 22 postings that stated pay, median $150,265. Last updated Oct 26, 2026.
RoleSoftware Engineering
SeniorityMid-level
LocationReston
EmploymentFull-time
Base pay$131,300–$237,350
PostedOct 21, 2026
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Build web applications with Java, JavaScript, Node.js or Angular, and help bring new Salesforce work up to speed quickly
  • Design new applications with the program team and connect new solutions to software already in use
  • Investigate complex application needs, find workable solutions and identify tools or technologies that could help
  • Troubleshoot and upgrade web applications running across AWS development, test and production environments
  • Deliver software in Agile and DevOps workflows using build systems, version control and code delivery tools

What you bring

  • A bachelor's degree plus at least twelve years of relevant experience, or a master's degree and ten years
  • An active TS/SCI clearance with polygraph is required for consideration
  • Strong JavaScript development knowledge and experience building web applications
  • Experience with AWS cloud services, including secure integrations and connectivity

Who this fits

This mid-level role suits an experienced application developer who can work across web technologies and adapt to unfamiliar tools. You must hold an active TS/SCI with polygraph. Salesforce platform experience is preferred, though the posting also welcomes someone ready to learn it quickly.

From the employer

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

#MSBA

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

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.

Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Software Engineering$130k+

Find me work

By the team behind techroles.

Find me work
Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.