Application Developer

Location: Dulles, VA | Must have an active Secret clearance (TS/SCI preferred) and be able to obtain DHS Suitability.

About the role

Node is supporting a U.S. Government customer to provide onsite incident‑response support to civilian government agencies and critical‑asset owners experiencing cyber‑attacks. The team conducts immediate investigations, characterizes breach severity, develops mitigation plans, and assists with service restoration.

Responsibilities

• Design, troubleshoot, and implement software code for end‑to‑end development.
• Develop, enhance, debug, integrate, and implement software applications.
• Troubleshoot production problems related to software applications.
• Research, test, build, and coordinate integration of new products based on user requirements.
• Evaluate and recommend application software packages, integration, and testing tools.
• Resolve software problems and respond to suggestions for improvements and enhancements.
• Design, develop, integrate, and interface with web‑application RESTful APIs.
• Implement recommendations for improving documentation and development‑process standards.
• Ensure quality control of all developed and modified prototype software.

Requirements

• U.S. citizenship.
• Active Secret clearance (TS/SCI preferred).
• Ability to obtain DHS Suitability.
• 2+ years of directly relevant experience in applications development.
• Knowledge of secure software development lifecycle and code versioning/maintenance.
• Experience assessing and integrating commercial‑off‑the‑shelf (COTS) products.
• Operational experience with Python.
• Experience with AWS resources such as S3, SQS, Lambda, Glue, and Route 53.
• Knowledge of software application development and RESTful architecture.
• Knowledge of data transformation and manipulation via code.
• Experience developing with containerization technologies including Kubernetes and Docker.
• Strong communication skills and experience interacting directly with customers in project or technical‑demonstration settings.
• Ability to work collaboratively across remote and physical locations.

Desired Skills

• Experience with two or more of the following: JSON, Data Analytics, MongoDB, Elastic Search, Databricks, PostgreSQL, Ansible, Vue.js, React, HTML, Podman, Process Automation, UI Development, CI/CD.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering, or a related field; or a high‑school diploma with 4‑6 years of directly relevant experience.
• Desired certifications: CSSLP, Sec+.

Benefits

• Competitive compensation.
• Medical, Dental, Vision coverage.
• Basic Life insurance.
• Health Savings Account.
• 401(k) retirement plan.
• Three weeks of PTO/Sick leave.
• 11 paid holidays.
• Pre‑approved online training.