
Senior Full Stack Engineer
Sphinx Defense5 days ago
Remote, United StatesSenior
Base Salary
$157k - $190k/yr
Responsibilities
- Build intuitive, responsive, maintainable user interfaces using modern front-end technologies.
- Translate design mockups, user feedback, and system requirements into production-quality user experiences.
- Develop and improve APIs, backend services, and service integrations supporting front-end applications.
- Develop backend functionality using Python, SQL, and containerized architectures.
- Lead critical features across the full software development lifecycle and make sound engineering tradeoffs.
- Write and maintain automated unit, integration, and functional tests.
- Collaborate with QA and other engineering teams to define acceptance criteria, troubleshoot defects, and support release readiness.
- Conduct code reviews and uphold software engineering standards for quality, security, performance, and maintainability.
- Mentor junior engineers and provide technical guidance.
- Develop, test, and deploy software in air-gapped or highly secure government network environments.
Requirements
- 5+ years of progressively responsible web or software development experience.
- Strong front-end development expertise, including component-based architecture, responsive design, performance, and usability.
- Extensive experience with JavaScript, TypeScript, HTML, CSS, and modern frameworks such as React, Angular, and/or Vue.
- Strong full-stack fundamentals, including Python, API development and integration, application architecture, and service-to-service communication.
- Experience with relational databases and SQL.
- Experience designing, consuming, and integrating APIs.
- Understanding of containerized architectures using Docker and Kubernetes.
- Experience collaborating with QA and writing automated tests against defined requirements.
- Ability to provide technical guidance, own technical problems end-to-end, and work effectively with ambiguity.
- Excellent communication skills and experience working with end users and cross-functional teams.
- Experience developing software for air-gapped or highly secure government networks.
- Ability to hold and maintain a U.S. Government TS/SCI clearance.
- U.S. citizenship and eligibility to obtain and maintain a U.S. Top Secret and TS/SCI clearance.
- Preferred experience with real-time 2D/3D geospatial visualizations and mission-critical, defense, aerospace, or highly secure software environments.
- An active U.S. Government Secret Clearance is preferred.
Benefits
- Remote work arrangement with potential travel for client visits, company gatherings, and project-related needs.
- $157,000–$190,000 base salary.
- Meaningful equity ownership and profit sharing.
- Employer 401(k) contribution.
- 100% employer-covered medical, dental, and vision insurance for the employee and dependents.
Tech Stack
Categories
About Sphinx Defense
Sphinx Defense develops software for space mission planning, command-and-control, and communications used by U.S. government space and defense programs and allied partners. Its business centers on delivering mission software and related services for secure, resilient operations in highly regulated environments. Founded in 2020 and privately held, Sphinx is headquartered in Washington, DC.