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.
JOB SUMMARY - ESSENTIAL FUNCTIONS
Under general supervision, the Full Stack Web Application Developer provides software and systems engineering services, generally as a member of a work unit or group.
The Full Stack Web Application Developer will be required to perform the following functions/duties:
- Advise team and project managers on technical problems
- Interact with customers, colleagues, and project managers on a regular basis
- Use judgment and initiative in developing analytical methodologies for problem solving
- Interpret customer requirements and develop and analyze the most appropriate approach to solve technical problems
- Implement design through software coding and appropriately document the design implementation
- Plan and execute unit and integration testing, and coordinate user acceptance testing
- Assist in maintenance and sustainment activities of cloud-based virtual system/software
- Perform other job-related duties, as required
- Maintain baseline configurations for two on-premises web applications
- Assist with migration of one on-premises application to an existing private cloud
Additional Valuable Skills
- Waterfall development methodology
- Microsoft Server management, particularly Microsoft IIS
- Experience using AWS technologies (EC2, S3)
- Web Application Programming Interfaces, (RESTful)
- Backend programming in Python
- DevSecOps and Continuous Integration/Continuous Delivery (CI/CD) methodologies
- Frontend programming using JavaScript frameworks
- DoD Developmental Test & Evaluation Community Experience
- Containerization, (Docker, Podman)
- NoSQL databases, (PostGRES, MongoDB)
DESIRED KNOWLEDGE, SKILLS, AND ABILITIES
- Microsoft coding frameworks, (C#, .NET CORE, ASP.net)
- Version control and documentation using common industry collaboration tools, (Bitbucket, Gitlab, Jira, Confluence)
- Agile development methodology
- Essential knowledge of SQL Database tools (Oracle SQL Developer)
- Effective oral and written communication and organization/planning and time management
REQUIREMENTS - EDUCATION, TECHNICAL, AND WORK EXPERIENCE
A bachelor’s degree in an associated discipline and either two years of related experience or a master’s degree in an associated discipline are required for this position.
In addition, a Computer Scientist II must possess the following qualifications:
- Experience with computer-based systems and applications
- Programming skills in languages used for job-specific programming tasks
- Familiarity with the application of industry standard hardware and software design and documentation techniques
- Familiarity with systems engineering and software development lifecycles
- Effective verbal and written communication skills
- Good planning /organizational skills
- Ability to work under deadlines
- Must possess a valid, state issued driver’s license.
- Must be able to obtain and maintain security clearance.
- Must be a U.S. citizen.
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
SALARY
The expected salary range for this position is $124,244 to $150,000 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.
OTHER RESPONSIBILITIES
Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to their job.
WORKING CONDITIONS
Typical office environment with no unusual hazards, occasional lifting (up to 20 pounds), constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness.
DISCLAIMER
The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of persons so classified.
Tasking is in support of a Federal Government Contract that requires U.S. citizenship. Some jobs may require a candidate to be eligible for a government security clearance, state-issued driver’s license, or other licenses/certifications, and the inability to obtain and maintain the required clearance, license, or certification may affect an employee’s ability to maintain employment.
SCC: JSD12, A1412TW
Skills Required
- Bachelor's degree in an associated discipline
- Two years related experience or a master's degree in an associated discipline
- Programming skills in languages used for job-specific programming tasks
- Effective verbal and written communication skills
- Ability to work under deadlines
- Must possess a valid, state-issued driver's license
- Must be able to obtain and maintain a security clearance
- Must be a U.S. citizen
JT4 Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about JT4 and has not been reviewed or approved by JT4.
-
Healthcare Strength — Multiple medical plan choices (including an HDHP with HSA), plus dental with orthodontia, vision, wellness programs, and FSAs/HSAs expand total rewards beyond base pay. Coverage breadth is emphasized as a compensation strength alongside stability.
-
Affordable Benefits — Low- or zero-premium options are advertised, increasing the value of total compensation when insurance costs are factored in. Affordability is highlighted together with education assistance as part of the package.
-
Leave & Time Off Breadth — Posted allowances include 3–5 weeks of paid leave by tenure, 80 hours of paid holidays, and 7 sick days for hourly roles. Generous stated PTO and holidays can materially enhance overall compensation value.
JT4 Insights
What We Do
JT4 provides engineering and technical support to multiple western test ranges for the U.S. Air Force and U.S. Navy under the Joint Range Technical Services Contract, better known as J-Tech II. Ranges supported by JT4 include the Nevada Test and Training Range (NTTR), the Space Test and Training Range (STTR) at Schriever Air Force Base, the Utah Test and Training Range (UTTR), the Air Force Test Center 412th Test Wing (412TW) at Edwards Air Force Base, and the Navy China Lake Ranges (CLR) including Pt. Mugu, California.






