CareerPlan

Sr. Software Engineer - CTJ - Poly

United States, Virginia, RestonFull-time2026-10-27 → 2026-11-09
Based in United StatesUnited States citizens onlySecurity clearance required

Core

Leads architecture, design, and integration of scalable, high-quality software solutions while driving innovation and operational excellence.

Role type

Senior Staff Software Engineer (Backend/Systems)

Builds

Scalable, reliable, and maintainable software systems and services

Domain

High-security, regulated, or cloud environments

Required skills

C, C++, C#, Java, JavaScript, Python, backend engineering, software deployment, system integration, architecture design, incident response, developer tooling, experimentation

Preferred skills

Experience in high-security environments, cloud environments

Technologies

C, C++, C#, Java, JavaScript, Python

Responsibilities

Produce extensible and maintainable code, drive identification of dependencies and development of design documents, lead discussions for product/solution architecture, drive system and service integration, initiate and guide experiments to evaluate new technologies, incorporate live site readiness and monitoring into the development lifecycle, advocate for clean code and modern development standards, improve developer tools and automation

Seniority

Senior, hands-on IC with mentorship responsibilities