Senior Staff / Senior Frontend Engineer

SciTec•Dayton, OH

8h•$111,000 - $152,000

About The Position

SciTec, a wholly owned subsidiary of Firefly Aerospace, 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. We are seeking a Senior Staff / Senior Frontend Engineer to design, develop, and maintain user-facing web applications and support backend services for real-time data visualization. This role focuses on building reliable, visually intuitive, and high-performance applications that operate continuously in mission-critical environments. The ideal candidate is a strong contributor with deep TypeScript and React expertise, sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.

Requirements

Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field
5+ years of professional experience developing user-facing web applications
Strong experience with JavaScript, TypeScript, and React or Angular
Experience developing and maintaining applications that handle real-time data
Proficiency working in Linux environments and using Git
Solid understanding of software engineering principles, including modularity, maintainability, and testability
Strong attention to detail and commitment to high-quality code
Excellent verbal and written communication skills
Active DoD security clearance

Nice To Haves

Advanced degree in Computer Science or Engineering
Experience developing geospatial or mapping applications, including Cesium
Experience creating or contributing to design systems
Experience with UI/UX prototyping tools (e.g., Figma, Adobe XD, Axure)
Experience working across the stack with Python, Go, Java, and/or C++
Familiarity with messaging and streaming technologies, such as: Protocol Buffers, ZeroMQ, Kafka, gRPC, REST APIs
Experience with microservice architectures
Professional experience with DevOps and CI/CD tools, including Docker, Kubernetes, Helm, and GitLab CI/CD
Experience with databases and data stores such as PostgreSQL, MongoDB, and Elastic
Active DoD TS/SCI security clearance

Responsibilities

Design, develop, and maintain frontend software, including code, tests, and documentation
Build and integrate User Interfaces and data pipelines for real-time data visualization
Design, prototype, and implement user-centric interfaces that translate customer needs into intuitive solutions
Maintain and improve 24/7 user-facing applications that display, manage, and monitor real-time data
Identify and resolve software defects and security vulnerabilities
Collaborate with team members during Agile ceremonies, including standups, sprint planning, and retrospectives
Contribute to architectural discussions and technical design decisions
Ensure adherence to software engineering best practices, including code quality, testing, and maintainability
Support documentation and knowledge sharing across teams
Perform other duties as assigned