Salary
$112k – $131k per year
Location
In office (Dulles)
Seniority
Staff · 8+ years exp
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 2026.
Overview
Company
Impact
Profile match
Solutions³ LLC offers cybersecurity consulting services, NIST training, and Fractional CISO applications for a multitude of industries.
Title:Applications Developer III
Description:
Solutions³ LLC is supporting a U.S. Government customer on a large mission critical development and sustainment program to design, build, deliver, and operate a network operations environment, including introducing new cyber capabilities to address emerging threats.
Solutions³ LLC is seeking a Full Stack Developer to support the design, development, and deployment of advanced cybersecurity capabilities. The Full Stack Developer will play a pivotal role in our organization's technology team.
Salary Range: $112,000 - $131,000
Location: Dulles, VA
Job Type: Onsite
Eligibility:
- Must be a US Citizen
- Must be able to obtain a Secret clearance within 1 year
- Must be able to obtain DHS Suitability prior to starting employment
- 8+ years of directly relevant experience in software development
- Full Stack Development
- Develop, maintain, and enhance front-end and back-end components of web applications.
- Automated testing and smoke testing familiarity and implementation experience.
- Perform unit and integration testing to ensure software quality.
- Optimize application for speed and scalability.
- Collaborate with cross-functional teams to gather and refine software requirements.
- Write clean, maintainable, and efficient code.
- Troubleshoot and resolve software defects and issues.
- Handle authentication, authorization, and session management.
- Integrate with third-party services (e.g., payment processors, external APIs).
- DevOps and Deployment
- Set up and manage CI/CD pipelines.
- Deploy applications to cloud platforms (e.g., AWS, Azure, GCP).
- Monitor application performance and reliability.
- Handle version control using Git and platforms like GitHub/GitLab.
- Collaboration and Documentation
- Collaborate with DevOps, infrastructure, and development teams to ensure seamless integration.
- Document code and infrastructure changes, processes, and best practices.
- Participate in knowledge sharing and mentorship of team members.
- Stay up to date with industry trends and emerging technologies.
- Cybersecurity - Secure Coding Practices
- Create secure code according to industry best practices.
- Use strong encryption algorithms for data in motion and data at rest.
- Manage and handle credentials and secrets in a secure, authorized manner.
- Use correct error handling and logging within developed code.
- Proficiency in programming languages such as Python, Java, and NodeJS.
- Strong knowledge of front-end and back-end frameworks.
- Familiarity with CI/CD pipelines and version control systems.
- Knowledge of cloud platforms (e.g., AWS, Azure, Google Cloud) is a plus.
- Demonstrated experience and/or familiarity with one of more of the following: SQL, Oracle, MySQL, JBDC, etc.
- Demonstrated experience and/or familiarity with one of more of the following: Pytest, Jupyter, Java Spring, JUnit, Hibernate, JavaScript, ReactJs, etc.
- Experience leading multiple software development teams.
- Experience developing system performance, availability, scalability, manageability, and security requirements for mid- to large-scale programs.
- Experience with cloud computing, multimedia storage, knowledge databases and data-mining analytics.
- Agile development methodology experience required.
- Experience with Linux and/or Unix.
- Experience with Jenkins and/or CloudBees.
- Excellent problem-solving and communication skills.
- Strong teamwork and collaboration abilities.
- Ability to adapt to a fast-paced, evolving technology environment.
- Attention to detail and commitment to delivering high-quality solutions
- DoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP
- Software development methodology certification (e.g. SCRUM Master) highly desired
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