Application Developer Senior (TS/SCI with Poly Required)

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 an Application Developer, a typical day will include the following duties:

• Working closely with the Customer's product owner and program manager to deliver user stories necessary to realize product vision.
• Coordinating with multiple entities, including mission partners, to ensure tools meet defined requirements.
• Supporting data engineering efforts to analyze large data sets to derive data relationships.
• Ensuring all application security vulnerabilities are addressed as appropriate by severity to maintain security accreditation.
• Maintaining all source code in Customer-wide, remote Git repository and capture relevant project documentation per Customer documentation resources and practices.

Required Skills and Demonstrated Experience

Demonstrated experience building and maintaining secure Java 8+ web applications using the Spring Framework, Spring Boot, and Spring Security.
Demonstrated experience supporting projects using Python.
Demonstrated experience building and maintaining modern client-side interfaces using industry-standard UI frameworks, JavaScript, Typescript, and React.
Demonstrated experience designing, developing, querying, and maintaining ElasticSearch and related technologies.
Demonstrated experience designing, developing, and maintaining SQL-based databases, including PostgreSQL and MySQL.
Demonstrated experience developing PL/SQL database scripts, including procedures, functions, exception handlers, and triggers.
Demonstrated experience writing and tuning complex queries against structured and unstructured data sets.
Demonstrated experience developing, documenting, and maintaining secure and scalable REST APIs.
Demonstrated experience integrating services using messaging technologies, including service buses, publish and subscribe, and MQ.
Demonstrated experience managing and developing software applications in an AWS environment.
Demonstrated experience working with geo-locational data at both the backend and the application tier.
Demonstrated experience developing software in a DevOps environment.
Demonstrated experience maintaining Jenkins Continuous Integration/Continuous Delivery (CI/CD) pipelines with automated testing and deployment.
Demonstrated experience using Git as a source code repository.

Highly Desired Skills and Demonstrated Experience

Demonstrated experience working with big data processing and NoSQL databases such as MongoDB, ElasticSearch, MapReduce, and HBase.
Demonstrated experience with Apache NiFi.
Demonstrated experience with the Extract, Transform, and Load (ETL) processes.
Demonstrated experience managing and mitigating IT security vulnerabilities using Plans of Actions and Milestones (POAMs), and applying FISMA security controls.

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