Front-End Application Developer

Front-End Application Developer LMI is actively seeking a dynamic, experienced Front-End Developer with a strong background in modern software development. This role involves translating design concepts into responsive, high-performance software applications. This position is located in the Northern VA/DC metro area. Travel within CONUS will be required on occasion. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities Develop user-facing features using web technologies and collaborating with UI/UX designers. Ensure the technical feasibility of designs, implement responsive design, and write clean, maintainable code. Participate in code reviews, debug developed code, and stay current with front-end trends. Collaborate with cross-functional teams, develop reusable code components, and ensure website accessibility. Actively participate in Integrated Product Teams (IPT's) and other engineering working groups to review, assess, and mature engineering artifacts such as concept of operations (CONOPs), system architecture, system behavior, system interfaces, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models. Provide meeting coordination, technical expertise, and software development to assist the customer decision makers. Qualifications Required B.S. in Computer Science, Computer Engineering, or equivalent. 7 - 12 years experience as a Front-End Developer with a portfolio, and proficiency in modern languages such as HTML5, CSS3, and JavaScript (ES6+). Demonstrated Experience with React. Experience with additional modern front-end frameworks like Angular, or Vue.js; and understanding of responsive design. Familiarity with version control systems (e.g., Git). Knowledge of web performance optimization. Strong problem-solving skills. Excellent communication and teamwork abilities. Desired Advanced degree in Computer Science or related. Experience with object-oriented programming languages such as Python, Java, C++. Experience with CSS preprocessors like Sass or Less. Familiarity with RESTful APIs. Experience with testing frameworks. Knowledge of web security practices. Active DoD Clearance. Candidate must be eligible to obtain a DoD clearance. Target salary range: $99161.00 - $171168.00.Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications. 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 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. #J-18808-Ljbffr