Senior Software Engineer

Infosys

Software Engineer developing STK-based applications for multi-domain analysis and modeling at NextGen Federal Systems. Collaborating with engineers and end-customers to ensure system performance and effectiveness.

Posted 7/13/2026full-timeColorado Springs • Colorado • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining STK-based applications, integrating tools via APIs, and implementing backend services using Python. Proficient in building responsive user interfaces with React JS while ensuring consistency in mission analysis outputs and system models.

Highest-signal resume keywords

STK Application DevelopmentPython ProgrammingReact JS DevelopmentAPI IntegrationFull Stack Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonFlaskSTKSTK EngineSTK ComponentsCesiumAPI IntegrationVersion Control (Git)Full Stack DevelopmentSimulation Analysis

Soft Skills

Self-ManagementTask PrioritizationCollaboration

Tools & Technologies

ContainerizationCloud ComputingBackend FrameworksFrontend Frameworks

Certifications & Qualifications

Active Top Secret ClearanceSCI Eligibility

Industry Keywords

AerospaceDefenseDigital EngineeringMission PlanningMission Analysis

Tech Stack

Tools & technologies

CloudFlaskJavaScriptPythonReactTypeScript

About the role

Key responsibilities & impact

Develop, customize, and maintain STK-based applications to support mission planning, analysis, and visualization
Integrate STK (Engine, Components, or Desktop) with external tools, models, and data sources to enable end-to-end mission workflows
Implement backend services using Python and support frontend interfaces as needed
Analyze and interpret simulation results, providing actionable insights to engineering teams and stakeholders
Support traceability between mission analysis outputs and system models, ensuring consistency across the digital engineering environment
Support deployment and execution of applications in modern environments (e.g., containerized or cloud-based)
Contribute to documentation, user guides, and technical deliverables
Troubleshoot and enhance existing tools to improve performance, usability, and scalability

Requirements

What you’ll need

BS or equivalent in Computer Science, Engineering, Mathematics, or equivalent technical degree
5+ years’ prior work experience in the aerospace or defense industry, with demonstrated software development experience
Experience customizing or automating STK-based tools or applications highly desired (including STK, STK Engine, STK Components, and/or Cesium)
Experience integrating tools via APIs (REST or similar)
Proficiency in Python and experience with backend frameworks such as Flask is required
Strong expertise in React JS for building modern and responsive user interfaces is highly desirable
Knowledge of version control systems, preferably Git is highly desirable
Proven experience as a Full Stack Developer or similar role is highly desirable
Capable of self-management and responsibly executing multiple tasks in accordance with priorities and deadlines
Active Top Secret (TS) clearance required (SCI eligibility preferred).

Benefits

Comp & perks

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.