Senior Full Stack Engineer

🕒 August 25

🇺🇸 United States – Remote

💵 $157k - $190k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 29%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sphinx Defense

WebsiteLinkedInAll Job Openings

1 - 10 employees

🎖️ Defense

🔐 Security

Defense • Security • Software

Sphinx Defense is a technology company focused on engineering software solutions for space and national security. Founded by experienced engineers and technologists, the company aims to modernize outdated and insecure technologies used by service members in the United States and its allies. Sphinx Defense emphasizes secure, automated, intuitive, and functional software to solve complex national security challenges. The team is distributed across the U. S. , offering competitive benefits and a mission-focused culture.

📋 Description

• Build intuitive, responsive, and maintainable user experiences for Sphinx’s space vehicle mission planning platform • Translate design mockups, user feedback, and system requirements into functional and visually appealing interfaces • Build performant, secure, scalable, and well-tested web applications • Lead critical feature development across the full software development lifecycle • Design, develop, and improve APIs and backend services • Develop and maintain backend functionality using Python, SQL, RESTful APIs, and containerized architectures • Collaborate with QA and engineering disciplines to define acceptance criteria, meet requirements, identify defects, and ensure software quality • Write and maintain automated unit, integration, and functional tests • Conduct code reviews and enforce engineering best practices • Advocate for improvements to usability, quality, security, and performance • Mentor junior engineers and provide technical guidance • Help establish strong technical practices as the engineering organization scales

🎯 Requirements

• 5+ years of progressively responsible web or software development experience • Strong front-end development experience and understanding of modern UI development principles, component-based architecture, responsive design, performance, and usability • Extensive experience with JavaScript, TypeScript, HTML, CSS, and modern front-end frameworks such as React, Angular, and/or Vue • Experience translating designs, user needs, and requirements into production-quality user experiences • 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 and microservices architectures using Docker and Kubernetes • Experience collaborating with QA throughout the software development lifecycle • Experience writing automated tests and developing software against defined requirements • Understanding of software engineering best practices, including code reviews, version control, automated testing, security, performance, and maintainability • Ability to work with ambiguity, self-direct work, and provide technical guidance • Ability to own technical problems end-to-end and make sound engineering tradeoffs • Excellent communication skills and experience working with end users and cross-functional teams • Experience developing, testing, and deploying software within air-gapped or highly secure government network environments • Ability to hold and maintain a U.S. Government TS/SCI clearance • Must be a U.S. Citizen • Able to obtain and hold a U.S. Top Secret security clearance and be eligible to obtain and maintain a TS/SCI clearance • U.S. citizen or national, U.S. lawful permanent resident, refugee, or asylee, or eligible to obtain required U.S. Department of State authorizations • Bonus: experience with real-time 2D/3D geospatial visualizations • Bonus: experience in mission-critical, defense, aerospace, or other highly secure environments • Bonus: actively holding a U.S. Government Secret Clearance

🏖️ Benefits

• Meaningful equity ownership • Profit sharing • Employer 401(k) contribution • 100% employer-covered medical insurance for you and your dependents • 100% employer-covered dental insurance for you and your dependents • 100% employer-covered vision insurance for you and your dependents • Potential travel for client visits, company gatherings, and other project-related travel as needed