Software Engineer, Sr

Parsons Corporation•Herndon, VA

11d•$112,200 - $196,400•Hybrid

About The Position

Parsons is looking for a talented Full Stack Software Engineer to join our growing team supporting a high-priority national security mission. In this role, you will contribute to the design, development, integration, and testing of an advanced Signals Intelligence (SIGINT) data fusion and analytics platform. The platform integrates multiple intelligence data sources into a unified operational environment, leveraging modern data processing technologies, APIs, and advanced visualization capabilities to support intelligence analysis, vulnerability research, and collaborative mission planning. This position offers an opportunity to work on cutting-edge intelligence integration projects, developing secure, scalable, and high-performance solutions that support critical national security missions. This position offers a hybrid work schedule.

Requirements

U.S. citizenship and eligibility for a TS/SCI security clearance
Bachelor's Degree and a minimum of 8 years of related professional experience
Experience developing full-stack applications using Python and React/TypeScript
Experience developing backend services and RESTful APIs using frameworks such as FastAPI, Django, or equivalent technologies
Experience developing interactive user interfaces and dashboards using React and modern JavaScript/TypeScript frameworks
Experience working with structured data formats such as JSON and XML and relational databases such as PostgreSQL
Familiarity with data ingestion, parsing, transformation, and integration across multiple data sources
Experience using Git, software debugging tools, and automated testing frameworks.
Familiarity with Linux development environments and containerization technologies such as Docker
Understanding of software engineering principles, secure coding practices, and Agile development methodologies
Strong analytical and problem-solving skills and the ability to collaborate effectively with multidisciplinary technical teams

Nice To Haves

TS/SCI clearance is preferred
Experience developing software supporting SIGINT, intelligence analysis, cyber operations, or other national security missions
Familiarity with reverse engineering, vulnerability research, or cyber threat analysis.
Experience with data fusion, entity resolution, record correlation, or graph-based data relationships
Familiarity with graph databases, NoSQL databases, or modern data processing frameworks.
Experience developing data visualization interfaces using libraries such as D3.js, Plotly, or equivalent technologies
Experience working with unstructured data, including text extraction, metadata enrichment, and automated data classification
Familiarity with AI/ML technologies, Large Language Models (LLMs), and integration with external AI platforms through APIs
Experience with Kubernetes, CI/CD pipelines, and automated software deployment
Familiarity with cybersecurity best practices, authentication, authorization, and secure API development

Responsibilities

Design, develop, and maintain full-stack software applications using Python, React, and TypeScript to integrate, process, and correlate structured and unstructured intelligence data through APIs and backend services.
Develop interactive dashboards, custom interfaces, and data visualization capabilities to support SIGINT analysis, vulnerability research, and collaborative mission workflows, while enabling integration with external AI platforms.
Collaborate with mission stakeholders and engineering teams to deliver secure, scalable, and reliable software solutions through Agile development practices, automated testing, and continuous integration.