Lead Software Developer (req-175)

Cathexis
Tysons, VA

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence.

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around Respect, Engagement, Customer Service, Integrity, Teamwork, and Excellence in everything we do for our employees, clients, partners, and communities. We believe success is best when we listen and lead with empathy, model high standards of ethics to provide a rewarding candidate experience, work hard, have fun, and appreciate the strengths we all bring to the team, and empower our employees to create innovative and trusted results.

We are seeking a dynamic Lead Software Developer to provide support to the Office of the Under Secretary of Defense for Personnel and Readiness (OUSD P&R). This individual will be a UI/UX development professional who bridges the gap between design and development, creating user-friendly, visually appealing digital products by combining user interface (UI) design with user experience (UX) principles and front-end development skills. They work on the visual elements users interact with (UI) and the overall functionality and flow (UX), often using tools and languages like HTML, CSS, and JavaScript to implement their designs. This role blends creative design skills with technical coding abilities to deliver cohesive and effective digital experiences.

Responsibilities:

  • Design, develop, and maintain robust, scalable web applications using technologies such as HTML, CSS, JavaScript, and modern frameworks.
  • Lead backend development efforts using server-side programming languages and frameworks (e.g., ASP.Net, ASP.Net MVC, C#, Java), including developing and maintaining database schemas and integrating with backend systems.
  • Build functional and visually appealing user interfaces with front-end frameworks like React, Angular, or Vue to deliver an optimal user experience.
  • Develop, implement, and manage web applications using the Sitecore content management system, ensuring efficient content delivery and seamless system integration.
  • Integrate AI tools into the software development life cycle to enhance functionality and efficiency.
  • Troubleshoot, debug, and resolve complex technical issues quickly, and implement solutions to improve system performance.
  • Provide technical leadership and mentorship to junior developers, supporting their growth and guiding them through development challenges.
  • Collaborate with cross-functional teams to gather requirements, prioritize tasks, and deliver high-quality projects on time and within scope.
  • Communicate technical concepts, solutions, and challenges clearly to non-technical stakeholders to ensure understanding and alignment with project objectives.

Requirements:

  • Active Top Secret Clearance required.
  • Minimum of 8 years of relevant experience and preferably a MA/MS degree, Bachelor's Degree is required.
  • Performs all functional duties independently.
  • Professionalism & Representation
  • Represent OUSD P&R with a high level of discretion, diplomacy, and professionalism in all interactions.
  • Adhere to a strict professional dress code (business attire required) and maintain a composed demeanor under pressure.
  • Handle confidential and sensitive information with the utmost integrity.

Preferred Skills / Experience:

  • Prior Pentagon or OSD experience strongly preferred
  • Familiarity with JSP IT systems, DTS, DISS, and OUSD internal processes

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $140,000 to $155,000. Please note that the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

Benefits:

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commuter Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the [email protected].

Posted 2025-09-22

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