Full Stack Developer

Posted 4 Days Ago
Dulles, VA, USA
In-Office
112K-131K Annually
Senior level
Information Technology • Consulting
The Role
Develop and maintain full-stack web applications, including front-end and back-end components, testing, authentication, integrations, performance optimization, and troubleshooting. Build CI/CD pipelines, deploy and monitor cloud applications, manage version control, document technical processes, and collaborate across development and infrastructure teams. Apply secure coding practices, encryption, credential management, and robust logging. Lead software development teams and contribute to scalable, secure mission-critical systems.
Summary Generated by Built In
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
Responsibilities Include: 
  • 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.
Required Skills: 
  • 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.
Desired Skills:  
  • 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
Desired Certifications:  
  • DoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP
  • Software development methodology certification (e.g. SCRUM Master) highly desired
Required Education: Bachelor’s degree in Software Engineering, Computer Science, or related discipline

Skills Required

  • Must be a U.S. citizen
  • Must be able to obtain a Secret clearance within one year
  • Must obtain DHS Suitability prior to starting employment
  • 8+ years of directly relevant software development experience
  • Bachelor's degree in Software Engineering, Computer Science, or a related discipline
  • Proficiency in Python, Java, and Node.js
  • Strong knowledge of front-end and back-end frameworks
  • Experience with automated, unit, integration, and smoke testing
  • Familiarity with CI/CD pipelines and version control systems
  • Experience with SQL, Oracle, MySQL, or JDBC
  • Experience with Pytest, Jupyter, Spring, JUnit, Hibernate, JavaScript, or React.js
  • Experience leading multiple software development teams
  • Experience developing 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
  • Experience with Linux and/or Unix
  • Experience with Jenkins and/or CloudBees
  • DoDM 8140.03 DCWF Information Systems Security Developer, CSSLP, or CISSP certification
  • Software development methodology certification, such as Scrum Master
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The Company
HQ: Denver, CO
11 Employees
Year Founded: 2003

What We Do

Who We Are: Solutions³ is an award-winning consulting and training organization, providing full lifecycle IT Management solutions built on industry best practices. Our complete solution includes innovation, thought leadership, and market-leading applications, implemented by a highly qualified team. This collaborative methodology results in projects that are clearly defined and understood, and support our clients’ business objectives. What We Do: Solutions³ focuses on the architecture, implementation, and training of each solution we provide. Our unique training, led by instructors who are also practitioners, brings valuable experience into the classroom. Our three-dimensional approach of people, process, and technology, combined with partner expertise, ensures that all aspects of the solution function effectively. We provide custom training to equip people with the knowledge and hands-on experience to manage their IT solutions, we enable business improvement with ITIL-based processes and best-of-breed technology, and our strong partner ecosystem allows us to address a broader range of IT needs. Within our expertise areas, we provide assessments, component design, implementation plans, test plans, application deployment and integration, process and policy definition, knowledge transfer, custom end-user training, and ongoing operation and maintenance. These expertise areas include: - Cybersecurity Training & Governance - IT Service Management (Service Desk & ITIL®) - IT Operations Management - Critical Notification Systems - Project Management - Staff Augmentation

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