Demo

Applications Developer II

Solutions3 LLC
Arlington, VA Full Time
POSTED ON 10/24/2026
AVAILABLE BEFORE 11/24/2026
Title: Applications Developer II

Description:
Solutions LLC is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Solutions LLC is seeking an Applications Developer to support this critical customer mission.

Eligibility:
  • Must be a
  • Must have an active SECRET clearance, with the ability to get TS/SCI
  • Must be able to obtain DHS Suitability prior to starting employment
  • 2 years of experience in applications development
Responsibilities Include:
  • Designing, troubleshooting, and implementing software code for end-to-end software development and service integrations
  • Designs, develops, enhances, debugs, integrates, and implements software stacks for on premise and cloud-based tools and services
  • Troubleshoots production problems related to software applications and pipeline workflows
  • Researches, tests, builds, and coordinates the integration of new products based on user and mission requirements
  • Initiates action for evaluation and recommendation of application software packages, application integration, and testing tools
  • Resolves problems with software and responds to suggestions for improvements and enhancements
  • Design, develop, integrate, and interface with web application RESTful APIs
  • Implements recommendations for improving documentation and development process standards
  • Ensures quality control of all developed and modified prototype software
  • Design, develop, integrate, and interface with web application RESTful APIs
Required Skills:
  • Knowledge of secure software development lifecycle and code versioning and maintenance
  • Experience with assessing and integrating commercial off the shelf (COTS) products
  • Knowledge and familiarity to work with the installation, demonstration, test, validation and evaluation of new and existing software, tools, methods, and software measurement technologies
  • Operational experience with Python
  • Experience working with AWS resources such as S3, SQS, Lambda, Glue, and Route 53
  • Knowledge of software application development and RESTful architecture
  • Knowledge of data transformation and manipulation via code
  • Experience working and developing in/with containerization software including Kubernetes and Docker
  • Must have strong communication skills and have experience interacting with customers directly in a project environment or technical demonstration
  • Must be able to work collaboratively across remote and physical locations
Desired Skills:
  • Experience with two or more of the following: JSON, Data Analytics, MongoDB, Elastic Search, Databricks, Postgress, Ansible, Vue.js, React, HTML, Podman, Process Automation, UI Development, CI/CD knowledge
  • Familiarity with data transformation (ETL)
Desired Certifications: CSSLP, Sec
Required Education: Bachelor of Science in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or High School diploma and 4-6 years of directly relevant experience

Salary.com Estimation for Applications Developer II in Arlington, VA
$95,297 to $121,693
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Applications Developer II?

Sign up to receive alerts about other jobs on the Applications Developer II career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$101,441 - $130,752
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Solutions3 LLC

  • Solutions3 LLC Arlington, VA
  • Title: Network Based Systems Analyst IV Description: Solutions LLC is supporting our prime contractor and their U.S. Government customer on a large mission... more
  • 1 Day Ago

  • Solutions3 LLC Arlington, VA
  • Title: Network Based Systems Analyst II Description: Solutions LLC is supporting our prime contractor and their U.S. Government customer on a large mission... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Applications Developer II jobs in the Arlington, VA area that may be a better fit.

  • ARSIEM Arlington, VA
  • About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide suppo... more
  • 1 Month Ago

  • ARSIEM Dulles, VA
  • About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide suppo... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!