Senior Staff / Senior Full Stack Engineer (Clearance Required)

SciTec, a Firefly Aerospace company, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.

Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.

NOTE: This role is contingent upon contract award.

We are seeking a Senior Staff / Senior Full Stack Software Engineer with a passion to design, develop, and deliver high-quality software systems. This role focuses on distributed systems, microservices, and real-time data pipelines, working closely with scientific and technical users in a mission-focused environment.

The ideal candidate is a strong contributor with deep Python, TypeScript / JavaScript, and DevOps expertise utilizing sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.

Responsibilities

• Work both independently and collaboratively with development teams to deliver complex features end to end
• Design, implement, and maintain high-quality software aligned with program objectives
• Promote strong engineering practices, including testing, documentation, and maintainability
• Contribute to containerized, distributed microservice architectures, including development, deployment, and testing
• Design, implement, and maintain real-time or near-real-time data processing and streaming workflows
• Participate in and guide Agile development activities, including code reviews, design discussions, and sprint planning
• Mentor junior and mid-level engineers through technical collaboration and code reviews

Requirements

• Active Top Secret security clearance
• Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field
• 5+ years of professional software engineering experience
• Expert in Python with previous experience using Pandas and NumPy
• Proficient in TypeScript with previous experience using React and Plotly
• Solid understanding of software engineering fundamentals, including design patterns, modularity, and maintainability
• Expertise with Object-Oriented Programming, including modern language features and best practices
• Experience writing and maintaining automated tests
• Strong attention to detail and commitment to high-quality, well-tested code
• Excellent verbal and written communication skills
• Demonstrated ability to collaborate effectively across technical disciplines
• Candidates who have any of the following skills will be preferred: Active TS/SCI security clearance
• Master of Science in Computer Science, Software Engineering, or related engineering discipline
• Experience working with remotely sensed data or scientific data processing workflows
• Understanding of containerization (e.g., Docker, Podman), orchestration (e.g., Kubernetes, Helm), and deployment (e.g., ArgoCD, GitLab CI/CD)
• Experience working in Agile software development environments and using task scheduling and tracking software (e.g., JIRA)