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 Software Engineer SME, a typical day will include the following duties:
- Experience with Java and Python required.
- Build and maintain scalable, reliable and secure back end systems; use server-side programming languages; API development including RESTful services and GraphQL.
- Build and manage microservices architectures; use containerization tools such as Docker and container orchestration with Kubernetes.
- Use relational databases (e.g. PostgresSQL, MySQL) and NOSQL databases (e.g. MongoDB) to include schema design, query optimization, indexing and performance turning for high volume databases.
- Use database management and version control to maintain data integrity, implement migration and ensure data availability in production environments.
- Build and maintain CI/CD pipelines to automate testing, deployment and monitor processes to ensure quick and reliable deployments of new features and updates.
- Use JavaScript and modern frameworks such as React and Lit.
- Ensure effective integration of front-end interfaces with back end services to deliver seamless user experience.
- Optimize back end performance through techniques such as caching (Redis, Memcached), load balancing, and queueing.
- Design scalable architectures to handle high levels of concurrency and large data volumes.
- Knowledge of emerging back end technologies and best practices and suggest to the Customer on how to apply these enhancements to existing systems and develop new capabilities.
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 Demonstrated related work experience. Equal Opportunity EmployerThis 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.
Skills Required
- US Citizenship
- Active/current TS/SCI with Polygraph clearance
- Experience with Java
- Experience with Python
- Backend API development including RESTful services and GraphQL
- Microservices architecture design and implementation
- Containerization with Docker and orchestration with Kubernetes
- Relational databases (PostgreSQL, MySQL) schema design, query optimization, indexing, performance tuning
- NoSQL databases (MongoDB) schema design and performance tuning
- Database management and version control
- Build and maintain CI/CD pipelines for automated testing and deployment
- Experience with JavaScript and modern frameworks (React, Lit)
- Caching technologies (Redis, Memcached) and load balancing techniques
- Queueing/message queue systems and concurrency handling for high-volume systems
- Design scalable architectures to handle high concurrency and large data volumes
- Demonstrated related work experience
- BA/BS or better
What We Do
GCI is an Engineering and IT Services company focusing on Data Analytics, Engineering, Cyber Operations, Targeting and Analysis, Operations Solutions and Training. We help our customers solve their greatest challenges by providing exceptional consulting and mission solutions.





