Ground Software Engineer Senior

• Collaborate with engineers, operators, UI/UX, and customers across departments
• Mentor junior and mid-level engineers through code reviews, pair programming, and design discussions
• Contribute to sprint planning, technical scoping, and cross-team alignment on feature work
• Help establish and advocate for engineering best practices across the team

• Bachelor's degree in Computer Science or related field
• 6+ years of full-stack software engineering experience
• Deep expertise in strongly typed backend languages, particularly C#, including multithreaded applications, concurrency patterns, and near- real-time data handling
• Strong proficiency in modern React and its core principles, including component architecture and performance optimization
• Experience designing and consuming REST APIs at scale
• Experience with SQL databases, including schema design and query optimization
• Proficiency with common front-end tooling such as Yarn, Babel, and Material-UI
• Experience with Git in a collaborative, multi-contributor environment
• Demonstrated ability to mentor engineers and drive code quality through reviews and design discussions
• Proven ability to collaborate across engineering, design, and operational stakeholders
• Exceptional problem-solving skills with the ability to navigate ambiguous requirements independently and drive to resolution
• Strong verbal and written communication skills, including presenting technical concepts to non-technical audiences
• Ability to thrive in a fast-paced, mission-driven environment
• Active security clearance or ability to obtain one

• Experience working across a polyglot stack including Python, Kafka, and InfluxDB
• Experience with modern state management tools such as TanStack Query
• Experience designing and executing forward and backward compatible database migrations and deployment strategies in live production environments
• Experience with feature flagging strategies, including gradual rollouts, environment-based toggles, and flag lifecycle management
• Experience with container-based installation and deployment strategies, including Docker and CI/CD pipeline integration
• Experience managing backend caching layers, including cache invalidation strategies and distributed cache patterns in resource-constrained environments
• Familiarity with modern security practices including API token management, CUI or classified information handling, and/or air-gapped environments

Benefits In addition to compensation, York Space Systems is proud to offer a comprehensive benefits package including medical, dental, and vision insurance along with PTO and a 401K.

Interested candidates are encouraged to apply by clicking the “Apply” link at the top of the page. York Space Systems will be accepting applications on a rolling basis until the position is closed. York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in the United States. This policy applies to all terms and conditions or employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. YORK SPACE SYSTEMS IS AN EEO EMPLOYER.