Software Engineer, Senior

Parsons; Herndon (VA); Hybrid; USD 112,000 - 196,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Paid time off

401(k)

Life insurance

Flexible work schedules

Holidays to fit your busy lifestyle

Job summary

Parsons is seeking a Full Stack Software Engineer to contribute to a SIGINT data fusion and analytics platform. You will design, develop, and integrate solutions using Python, React, and TypeScript, building dashboards and APIs for secure, scalable mission-critical systems.

The role supports a hybrid work schedule and requires strong collaboration with multidisciplinary teams while ensuring high-performance delivery and secure coding practices.

Qualifications

• U.S. citizenship and TS/SCI eligibility.
• Bachelor's Degree and a minimum of 8 years of related professional experience.
• Experience developing full-stack applications using Python and React/TypeScript.
• Experience building backend services and RESTful APIs with modern frameworks.
• Experience creating interactive dashboards and data visualization in React/TS.
• Familiarity with JSON/XML, PostgreSQL, and data integration.

Responsibilities

• Develop full-stack applications using Python, React/TypeScript.
• Design, develop, and test APIs and services.
• Build interactive dashboards and visualization capabilities for SIGINT analytics.
• Collaborate with stakeholders and engineers in Agile environments.

Skills

Python

React/TypeScript

API development

RESTful APIs

Agile

Git

Docker

Linux

Kubernetes

Secure coding

Education

Bachelor's Degree

Tools

FastAPI

Django

Job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible.

Job Description:

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.

What position offers a hybrid work schedule

What You’ll be Doing:

• You will be an integral part of our team solving challenging mission-focused problems to meet customer needs. You will participate on an Agile team to develop well-designed, testable, and efficient code. You will collaborate with team members in person or remotely, ask smart questions, take risks, and champion innovative solutions.
• 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.

What Required Skills You’ll Bring:

• 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

What Desired Skills You’ll Bring

• 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

Security Clearance Requirement:

None

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what's next to deliver the solutions our customers need now.

Salary Range: $112,200.00 - $196,400.00

We value our employees and want our employees to take care of their overall wellbeing.

• medical
• dental
• vision
• paid time off
• 401(k)
• life insurance
• flexible work schedules
• holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.

About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.