Senior Staff / Senior Frontend Engineer

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.

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

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

Candidates who have any of the following skills will be preferred:

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

Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.

Benefits

SciTec offers a highly competitive salary and benefits package, including:

4% Safe Harbor 401(k) match

100% company paid HSA Medical insurance, with a choice of 2 buy-up options

80% company paid Dental insurance

100% company paid Vision insurance

100% company paid Life insurance

100% company paid Long-term Disability insurance

Short-term Disability insurance

Annual Profit-Sharing Plan

Discretionary Performance Bonus

Paid Parental Leave

Generous Paid Time Off, including Holiday, Vacation, and Sick Pay

Flexible work hours

The pay range for this position is $111,000 – $152,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.