Software Engineer SME (TS/SCI with Poly Required)
GCIVirginia, United States
Posted April 29, 2026
Full Time
About the Company
GCI delivers integrated engineering and IT solutions, specializing in data analytics, cyber operations, and precision targeting. The company partners with governments and enterprises to develop mission‑critical systems and operational frameworks that enhance situational awareness and decision‑making. By combining deep technical expertise with tailored consulting, GCI transforms complex challenges into actionable solutions. Its agile training programs ensure clients maintain proficiency in evolving threat landscapes. GCI’s blend of technical rigor and customer‑centric service positions it as a trusted partner for high‑stakes operations.
Job Description
Software Engineer SME (TS/SCI with Poly Required) at GCI in Dulles, VA, United States. Responsibilities include working with the Customer's product owner and program manager to deliver user stories, supporting data engineering efforts, and maintaining application security vulnerabilities.
Requirements
- 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.