Mid/Senior Software Developer (Front End) - Clearance Required

Job Locations US-CO-Colorado Springs | US-PA-Philadelphia
Posted Date 3 weeks ago(5/3/2024 12:57 PM)
Job ID
# of Openings
Information Technology


LMI is seeking a skilled Front-end Software Developer (Mid/Senior) to support a defense contractor client via teams located in Colorado Springs, CO. 


LMI is a consultancy dedicated to powering a future-ready, high-performing government, drawing from expertise in digital and analytic solutions, logistics, and management advisory services. We deliver integrated capabilities that incorporate emerging technologies and are tailored to customers’ unique mission needs, backed by objective research and data analysis. Founded in 1961 to help the Department of Defense resolve complex logistics management challenges, LMI continues to enable growth and transformation, enhance operational readiness and resiliency, and ensure mission success for federal civilian and defense agencies.


LMI has been named a 2024 #TopWorkplace in the United States by Top Workplaces!  We are honored to be recognized as a company that values a people-centered culture, and we are grateful to our employees for making this possible!


In this role you will work directly with scientists, engineers, analysts, software developers, and a range of customers to provide systems and software (S/W) engineering expertise, including translating complex systems into modeling architectures that can be used in LMI’s world-class modeling, simulation, and analysis (MS&A).  The Front-end work that we require will support S/W applications can include (but are not limited to) a python-based MS&A framework, platform & system models, advanced thin-client visualization, containerization & Kubernetes for High Performance Computing (HPC) deployments, cloud deployments, analytical engine development, and the execution of analyses. The analysis work products will be used by a wide range of audiences including the U.S. Government, up to the highest levels within the Department of Defense, Intelligence Community, and Executive Branch. The successful candidate must enjoy working in a highly innovative environment, where you not only answer difficult questions, but you also help formulate the questions themselves.


Key Responsibilities:

  • Modeling architectures of complex systems.
  • Engage with your team and stakeholders to understand their needs and translate them into solutions.
  • Collaborate with other engineers to leverage feature development across projects and exercise features to perform analysis for customers.
  • Actively participate in all agile sprint ceremonies.
  • Demonstrate your developments to customers.



  • Bachelor’s degree in Computer Science, or Computer Engineering with 8+ years of professional development experience or Master’s degree in Computer Science, or Computer Engineeringwith 6+ years of professional development experience.
  • Familiarity with the Space Domain
  • Experience with HTML, CSS, JavaScript/Typescript, React, UI State Management (Redux, Zustand, etc.)
  • Experience with unit, integration, and end-to-end (E2E) testing utilizing Jest, Vitest, and Cypress
  • Familiarity with Front-end build tools, Vite, Webpack, Rollup, etc.
  • Data Visualization utilizing libraries such as Plotly and D3
  • Familiarity building and interfacing with REST services
  • Familiarity with document databases and scalable data management (MongoDB, etc.)
  • Experience building, publishing, and managing packages within a Node.js environment (npm, yarn, etc.)
  • Ability to develop products both collaboratively and independently with minimal supervision.
  • Ability to work across disciplines.
  • Ability to give and take feedback.
  • Self-starter who can follow-through and complete projects from start to finish.

Security Clearance Requirements:


Candidate must be eligible to obtain a TS/SCI clearance (willing to take CI/Poly), but no clearance is required to start (eligibility to obtain a clearance is required). 


Extra Credit:

  • Experience using both Scrum and Kanban.
  • Familiarity with cloud services, orchestration, and scalability (AWS or Azure)
  • Familiarity with static code analysis tools (SonarQube, Fortify, etc.)
  • Familiarity with setting up and modifying CI/CD pipelines
  • 3D Visualization utilizing Three.js, WebGL, or WebGPU
  • Experience with GPU compute utilizing WebGPU
  • Experience with WASM
  • Experience with Python

Target salary range: $104,040 - $183,600. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.





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LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact accommodations@lmi.org

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