Full Stack Software Engineer
Company: P3S Corporation
Employment Type: Full-Time
Location: San Antonio, Texas
Clearance Requirement: Active Secret Clearance Required
Build Technology That Supports the Mission
P3S Corporation is seeking an experienced Full Stack Software Engineer to support technology solutions for our federal government customers.
At P3S, our technology professionals work in environments where reliability, security, performance, and mission success matter. This position is ideal for a software engineer who enjoys working across the full technology stack, solving complex technical challenges, and developing practical solutions that directly support government operations.
As a Full Stack Software Engineer, you will contribute to the design, development, integration, and ongoing improvement of secure, scalable applications. You will work collaboratively with technical and program teams to turn operational requirements into dependable software solutions.
Security Clearance Requirements
- Active Secret security clearance is required.
- Active Top Secret clearance or higher is preferred.
- Candidates must maintain all required security and customer eligibility requirements associated with the position.
What We Look For
P3S Corporation values professionals who bring more than technical knowledge to a project. Successful candidates will demonstrate:
- Strong analytical and problem-solving skills
- A commitment to secure and maintainable software development
- Attention to quality and technical detail
- The ability to work effectively within collaborative, multidisciplinary teams
- Strong communication skills
- Accountability and ownership of assigned responsibilities
- The ability to adapt to evolving customer, technical, and mission requirements
- A commitment to continuous learning and professional development
About P3S Corporation
P3S Corporation is a government contractor providing professional, technical, and mission-support services to federal customers. Our team is focused on delivering responsive, high-quality solutions that help our customers achieve their operational and program objectives.
At P3S, employees have the opportunity to contribute directly to meaningful government programs while working in an environment that values professionalism, collaboration, accountability, and results.
QualificationsWhat You’ll Do
In this role, you will:
- Design, develop, test, and maintain scalable web applications across the full technology stack.
- Develop and optimize backend services using Java, with an emphasis on secure, efficient, and high-performance data processing.
- Build, integrate, consume, and maintain RESTful APIs to support reliable communication between applications and services.
- Develop responsive, accessible, and user-focused front-end solutions using JavaScript and modern front-end frameworks.
- Work collaboratively with engineers, product stakeholders, designers, and other team members to translate business and mission requirements into effective technical solutions.
- Diagnose and resolve application and system issues across the technology stack.
- Identify opportunities to improve application performance, reliability, scalability, and maintainability.
- Apply sound software development practices throughout the development lifecycle.
- Take ownership of assigned development efforts and contribute to the timely delivery of secure, high-quality software.
- Participate in technical discussions, code reviews, testing, troubleshooting, and continuous improvement initiatives.
Required Qualifications
Candidates should have a minimum of three (3) years of relevant professional experience, including experience with:
- Java
- JavaScript
- Modern front-end frameworks such as React, Angular, or Vue.js
- Hands-on use of Ansible
- Developing, building, consuming, integrating, and/or securing RESTful APIs
- SQL and/or NoSQL database technologies, including platforms such as:
- PostgreSQL
- MySQL
- MongoDB
- Elasticsearch
- Node.js
- Modern software development practices and application development lifecycles
- Code-assist or AI-enabled development technologies such as GitHub Copilot, Gemini Code Assist, Amazon CodeWhisperer, or comparable tools
Preferred Qualifications
Additional experience in any of the following areas is a plus:
- Docker and/or Podman
- Linux environments
- AWS, Microsoft Azure, or Google Cloud Platform
- Apache Spark and distributed data processing
- Accumulo, Hadoop, Zookeeper, YARN, or comparable data-ecosystem technologies
- Development within federal government or Department of Defense environments
- DoD 8140-aligned certifications such as Security+, CISSP, CASP+, or similar cybersecurity credentials
Equal Employment Opportunity
P3S Corporation is an Equal Employment Opportunity employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.
P3S Corporation is committed to providing employment opportunities to qualified individuals, including protected veterans and individuals with disabilities, and to maintaining a professional workplace where employees are treated with dignity and respect.
Skills Required
- At least three years of relevant professional experience
- Java experience
- JavaScript experience
- Experience with modern front-end frameworks such as React, Angular, or Vue.js
- Hands-on Ansible experience
- Experience developing, building, consuming, integrating, or securing RESTful APIs
- Experience with SQL and/or NoSQL database technologies
- Experience with PostgreSQL, MySQL, MongoDB, or Elasticsearch
- Node.js experience
- Experience with modern software development practices and application development lifecycles
- Experience with code-assist or AI-enabled development tools such as GitHub Copilot, Gemini Code Assist, or Amazon CodeWhisperer
- Docker and/or Podman experience
- Linux experience
- AWS, Microsoft Azure, or Google Cloud Platform experience
- Apache Spark and distributed data processing experience
- Experience with Accumulo, Hadoop, Zookeeper, YARN, or comparable data-ecosystem technologies
- Federal government or Department of Defense development experience
- DoD 8140-aligned certification such as Security+, CISSP, or CASP+
- Active Secret security clearance
- Active Top Secret clearance or higher
What We Do
P3S Capital is a privately funded family office and holding company based in Fort Lauderdale, Florida. The firm focuses on building a portfolio of companies and investments that deliver exceptional value and a meaningful positive impact on the world. Its portfolio includes companies specializing in the provision of crisis management and response services to local and global companies and governments.







