Front End Developer
Company: JT4
Location: Lancaster
Posted on: January 29, 2026
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Job Description:
JT4 is hiring an Front End Developer / Software Developer to
join their team at Edwards Air Force Base in California . The full
job description covers all associated skills, previous experience,
and any qualifications that applicants are expected to have. Must
be a US citizen. Responsibilities Develop, customize, and maintain
applications using OpenMCT to support visualization and analysis of
telemetry data. Design and implement front-end features using
JavaScript (ES6), TypeScript, HTML5, and CSS3 following modern web
development practices. Build and maintain modular, plugin-based
software architectures that support scalability and extensibility.
Integrate real-time and historical data sources through REST APIs,
WebSockets, and telemetry data pipelines. Create and optimize
interactive data visualizations for time-series and mission control
data. Debug, test, and troubleshoot applications using browser
developer tools and testing frameworks. Collaborate with the
development team using Git workflows and contribute to open-source
practices. Write clear technical documentation and effectively
communicate solutions within a collaborative team environment.
Apply knowledge of aerospace and mission control telemetry concepts
to ensure solutions meet operational requirements. Qualifications A
bachelor's degree in an associated discipline and a minimum of 4
years of related experience or a master's degree in an associated
discipline and a minimum of 2 years of experience or a PhD in an
associated discipline. Strong knowledge of C#, JavaScript, or QT5
Experience with OpenMCT (Open Mission Control Technologies) desired
Experience with JavaScript (ES6) and TypeScript for front-end
development Strong understanding of HTML5, CSS3, and modern web
development practices Experience with Angular JS (1.x) and/or other
component-based frameworks desired Experience with plugin-based
architecture and modular software design Experience with REST APIs,
Websockets, and real-time data integration Ability to work with
time -series/telemetry data and build data visualizations Strong
debugging skills using browser developer tools and testing
frameworks Proficiency with Git and open-source collaboration
workflows desired Ability to write clear documentation and
communicate effectively in a team environment Knowledge of
aerospace/mission control telemetry concepts is desired Must
qualify for and maintain a government Top Secret security clearance
and possess a valid, state issued driver's license. Must be a US
citizen. SALARY The expected salary range for this position is
$140K- $170K annually. Note: The salary range offered for this
position is a good faith description of the expected salary range
this role will pay. JT4 LLC considers factors such as (but not
limited to) responsibilities of the position, candidate's work
experience, education/training, key skills, internal peer equity,
as well as market and business considerations when extending an
offer. xmcpwfu BENEFITS Medical, Dental, Vision Insurance Benefits
Active on Day 1 Life Insurance Health Savings Accounts/FSA's
Disability Insurance Paid Time Off 401(k) Plan Options with
Employer Match JT4 will match 50%, up to an 8% contribution 100%
Immediate Vesting Tuition Reimbursement ABOUT US JT4, LLC provides
engineering and technical support to multiple western test ranges
for the U.S. Air Force, Space Force, and Navy under the Joint Range
Technical Services Contract, better known as J-Tech II. JT4
develops and maintains realistic, integrated test and training
environments and prepares our nation's war-fighting aircraft,
weapons systems, and aircrews for today's missions and tomorrow's
global challenges.
Keywords: JT4, Simi Valley , Front End Developer, IT / Software / Systems , Lancaster, California
