Full Stack Developer III

CNI Open

Remote United States Full-time Mid-level Full-stack Engineering

At a glance

Mid-level Full-stack Engineering role at CNI. Remote, United States · full-time · $118,000–$145,000 base.

SalaryStated by CNI

$118,000 – $145,000

Base salary for this role, in USD per year, as published in the posting.

RoleFull-stack Engineering

SeniorityMid-level

LocationUnited States

WorkplaceRemote

EmploymentFull-time

Base pay$118,000–$145,000

PostedNov 12, 2026

Role brief

remoteroles summary, based on the employer's posting.

What you'll do

Build and maintain user-facing and server-side application components, then test them for reliable operation
Create web features that work with large datasets, APIs, services and databases
Shape application architecture and recommend technical approaches for scalable websites and portals
Investigate difficult defects and slowdowns while improving database models, queries and performance
Review code, join planning and release work, and guide less experienced developers

What you bring

A bachelor’s degree plus four to seven years of relevant work, or an equivalent education and experience combination
Strong skills in modern front-end frameworks, responsive design, SQL, HTML, CSS and JavaScript
Experience coding in a clinical or medical setting and translating business needs into technical solutions
Advanced ASP.NET MVC 5 or later skills, including VB or C#, plus JSON and XML knowledge
Ability to obtain and keep the customer clearance needed for access to systems and facilities

Who this fits

This role suits a mid-level developer comfortable across front-end, back-end and database work, with clinical or medical coding experience. You’ll need to secure and retain the required customer clearance. The job is remote in the United States.

From the employer

SUMMARY

The Full Stack Developer III supports the Department of Clinical Research and Informatics to design, develop, and maintain full stack web applications, including front-end applications, back-end services, servers, and databases. Builds high-performing web applications that interact with large amounts of data and supports scalable, flexible, and dynamic websites and web-based solutions. Helps coordinate development activities, maintains code integrity, and mentors less experienced developers.

Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises. A portion of our profits is used to support Chickasaw citizens. We are proud to support the economic development and long-term viability of the Chickasaw Nation and its people. CNI offers premium benefits eligible on the first day of hire to full time employees; (Medical - Dental – Vision), Company Life Insurance, Short-Term and Long-Term Disability Insurance, 401(K) Immediate Vesting, Professional Development Assistance, Legal Aid Assistance Program, Family Planning / Fertility Assistance, Personal Time Off, and Observance of Federal Holidays.

As a federal contractor, CNI is a drug-free workplace and adheres to the Federal Controlled Substance Act.   

ESSENTIAL REQUIREMENTS

Must be able to obtain and maintain the required customer clearance for access to systems, facilities, equipment and property.

Demonstrates strong knowledge of modern front-end frameworks, component-based architecture, state management, and responsive design.

Well versed with information systems to include; PQS/PRIA/PEARLS (PROTRAK Query System – ASP.NET MVC 5), 4th Dimension Databases (PROTRAK/SACRED 4D Database), a multitude of web applications (Multiple Flavors of .NET, Simple VB, Ruby On Rails).

Established in coding in a Clinical/Medical environment.

Ability to convert a very large and complex existing 4D application to a web-based MVC 5 application. This system will have to be compliant with multiple existing systems and send updates to multiple existing systems.

Ability to translate business requirements into technical solutions.

High level SQL Coding Skills focusing on data acquisition and manipulation.

Advanced Web Design Knowledge (HTML, CSS, JavaScript).

Advanced Markup Language Knowledge (JSON, XML).

Advanced skills in ASP.NET Coding Languages (VB, C#), ASP.NET Coding Practices (MVC 5+), 4D Database technology large plus including: Updating UI, Methods, Exporting Data.

KEY DUTIES AND RESPONSIBILITIES

Essential Duties and responsibilities include the following. Other duties may be assigned.

Designs, develops, tests, and maintains front-end and back-end application components.

Builds high-performing web applications that interact with large datasets, APIs, services, and databases.

Contributes to the overall architecture of web applications and recommends technical solutions.

Develops scalable, flexible, and dynamic websites, portals, and application features.

Ensures application quality, responsiveness, reliability, and maintainability.

Writes efficient, secure, and reusable code that follows established standards and best practices.

Troubleshoots and resolves complex application defects and performance issues.

Supports database design, optimization, data modeling, and query performance.

Participates in architecture discussions, code reviews, sprint planning, and release activities.

Provides technical guidance and support to junior developers.

EDUCATION AND EXPERIENCE

Bachelor’s degree and a minimum of four to seven (4-7) years’ of relevant experience, or equivalent combination of education/experience.  

PHYSICAL DEMANDS

Work is primarily performed in an office environment. Regularly required to sit. Regularly required use hands to finger, handle, or feel, reach with hands and arms to handle objects and operate tools, computer, and/or controls. Required to speak and hear. Occasionally required to stand, walk and stoop, kneel, crouch, or crawl. Must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, depth perception, and ability to adjust focus.  Exposed to general office noise with computers printers and light traffic.    

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this job.   

EOE including Disability/Vet

The estimated pay range for this role is $118K to $145K, with the final offer contingent on location, skillset, and experience.

CNI offers a comprehensive benefits package that includes: