Senior Back-End Developer - Onsite at Fort...

Booker DiMaio is seeking an experienced Senior Back-End Developer to support a mission-critical Federal Intelligence Community program. This position is responsible for designing, developing, and maintaining secure, high-performance server-side applications, APIs, and system integrations that support mission-critical operations within a highly classified environment.

The ideal candidate has extensive experience building scalable back-end systems, designing RESTful APIs, developing database-driven applications, and integrating secure enterprise solutions. This individual will work closely with front-end developers, data engineers, and other technical teams while leading technical design efforts, conducting code reviews, and mentoring junior developers.

Key Responsibilities

• Design, develop, and maintain secure, scalable server-side applications and services.

• Develop and maintain RESTful APIs and system integrations supporting mission-critical applications.

• Design, build, and optimize relational and NoSQL databases to ensure performance, scalability, and reliability.

• Integrate applications with government authentication systems, security frameworks, and enterprise services.

• Implement security controls and best practices to protect applications operating within highly classified environments.

• Collaborate with front-end developers, data engineers, and cross-functional technical teams throughout the software development lifecycle.

• Lead code reviews, maintain technical documentation, and promote software development best practices.

• Active TS/SCI clearance with CI Polygraph.

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical discipline.

• 8+ years of professional back-end software development experience.

• Strong experience developing applications using Python, Java, C#, Ruby, Node.js, or similar back-end programming languages.

• Experience designing and developing RESTful APIs and GraphQL services.

• Experience working with relational databases such as PostgreSQL or MySQL and NoSQL databases such as MongoDB or Cassandra.

• Experience developing cloud-based applications using AWS, Azure, or Google Cloud Platform.

• Experience using Docker and Kubernetes containerization technologies.

• Experience with server-side frameworks such as Django, Spring, or .NET.

• Strong understanding of application security, secure coding practices, and software development within classified or highly secure environments.

• Excellent analytical, troubleshooting, and problem-solving skills.

Preferred Qualifications

• Experience supporting Intelligence Community or Department of Defense programs.

• Experience with signal processing or data analysis applications.

• Experience with high-performance computing (HPC) environments.

• Experience with messaging technologies such as Kafka or RabbitMQ.

• Experience with in-memory data technologies such as Redis or Memcached.

• Experience designing and developing microservices architectures.

• Experience using Infrastructure as Code (IaC) tools such as Terraform or Ansible.

• Experience developing serverless applications using AWS Lambda, Azure Functions, or similar technologies.