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SciTec Staff / Sr Staff Full Stack UI Engineer in Boulder, Colorado

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. Applicants that do not meet this requirement will not be considered.

We are seeking a Full Stack Software Engineer to design, develop, and maintain user-facing web applications and supporting backend services for real-time data and geospatial information systems. This role focuses on building reliable, visually intuitive, and high-performance applications that operate continuously in mission-critical environments.

The ideal candidate is comfortable working across the stack—from frontend user interfaces to backend data pipelines—and thrives in a collaborative, Agile development environment.

Responsibilities

  • Design, develop, and maintain frontend and backend software, including code, tests, and documentation

  • Build and integrate user interfaces and data pipelines for real-time and geospatial 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

  • 2+ years of professional experience developing user-facing web applications, including systems that operate continuously (24/7)

  • Strong experience with JavaScript, including React, Node.js, and Redux

  • 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

  • Ability to obtain and maintain a DoD security clearance

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

  • Advanced degree in Computer Science, Engineering, Mathematics, or Physical Sciences

  • Experience with TypeScript

  • 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 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, Jenkins, GitLab CI/CD

  • Experience with databases and data stores such as SQL, PostgreSQL, Redis

  • Experience working with remotely sensed data, including OPIR, EO/IR, SAR, Spectral, or RF

  • Active DoD security clearance

*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment. Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. 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 $98,000 - $146,000 / 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.

SciTec is proud to be an Equal Opportunity employer. VET/Disabled.

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