Senior Systems Software Developer – UI/UX & Microservices

GCI; United States; On-site; USD 164,382 - 274,518; Full time

Job summary

GCI is seeking a Software Developer SME to create user-facing applications. The role demands integration of front-end components with back-end services using RESTful APIs or GraphQL, and requires an active TS/SCI with Polygraph clearance. Applicants must have extensive experience in Java and web application development practices. The position offers a full-time schedule located in the United States and presents a salary range between $164,382.40 and $274,518.40 USD.

Qualifications

• 10 years of demonstrated work-related experience.
• Must be a US Citizen with active/current TS/SCI with Polygraph clearance.

Responsibilities

• Create the user-facing side of the application as it operates on a web page.
• Take requirements from UI/UX experts in various forms and transform them into functional designs.
• Utilize the Lean Agile development process.
• Connect the front end to the data tier via microservices and middleware components.
• Develop unit tests and actively participate in end-to-end testing.

Skills

Experience with Java

Responsive designs using Bootstrap

Integration with RESTful APIs or GraphQL

Front end performance optimization

Version control with GIT

Front end testing frameworks/tools

Education

BA/BS or better

Tools

Playwright

Jest

Mocha

Cypress

Job description

Software Developer SME (Systems Software) (TS/SCI with Poly Required)

Job Category: Software Engineering

Requisition Number: SOFTW002113

• Posted : May 14, 2026
• Full-Time
• On-site
• Salary Range : $164,382.40 USD to $274,518.40 USD

Locations

Showing 1 location

Description

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a SME Software Developer, a typical day will include the following duties/skills:

• The candidate will be responsible for creating the user facing side of the application as it operates in a web page.
• The candidate will take requirements from a teammate with User Interface/User Experience (UI/UX) expertise in the form of wireframes, site maps, diagrams/schematics, process maps, feature lists, mock-ups and visual specifications.
• The candidate will actively utilize the Lean Agile development process.
• The candidate will be required to seamlessly connect the front end of the application to the data tier via the microservices and middleware components.
• The candidate will be responsible for development of unit tests and the automated execution of those tests as well as participation in end-to-end testing is required.

Required Skills:

• Experience with Java.
• Use of front-end markup languages, with experience implementing responsive designs using Bootstrap framework.
• Work closely with UI/UX designers, transform wireframes, mockup, and prototypes into designs to ensure seamless user experience aligns to HCI principles.
• Integrate front-end components with back-end services using RESTful APIs or GraphQL to fetch, display and update data in real-time applications.
• Implement front end best practices for performance optimization (e.g. lazy loading, code splitting); ensure secure communications between front end and back end services.
• Use GIT for version control; manage codebases and branching strategies.
• Use front end testing frameworks/tools (e.g. Playwright, Jest, Mocha, Cypress) to create unit tests, integration tests, and end-to-end tests to ensure code stability and high quality output.

*A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Qualifications

Education

Preferred

BA/BS or better.

Experience

Required

10 years:

10 years:

Demonstrated work related experience.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.