Software Engineer: Python/C++, FastAPI, Security-Cleared

Kelly Services; Lorton (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive Salary

Full-Health Benefits

Medical Insurance

Dental Benefits

Vision Benefits

Paid Time Off (PTO)

401(k)

Job summary

Kelly Services is seeking a Software Engineer for a fully onsite role in Virginia. The ideal candidate will have 5–10 years of professional software development experience, with strong expertise in Python, C++, JavaScript/TypeScript, REST APIs, FastAPI and Linux, and must hold an active U.S.

security clearance. The position offers competitive compensation, full health benefits, and comprehensive PTO, medical, dental and vision coverage, plus a 401(k).

Qualifications

• 5+ years of professional software engineering experience.
• Proficiency in Python, C++, JavaScript/TypeScript and REST API technologies.
• Active U.S. security clearance (any level).

Responsibilities

Skills

Python

Linux

C++

SQL

JavaScript

TypeScript

REST API

FastAPI

Active Security Clearance

Job description

Kelly Services is seeking a Software Engineer for a fully onsite role in Virginia. The ideal candidate will have 5–10 years of professional software development experience, with strong expertise in Python, C++, JavaScript/TypeScript, REST APIs, FastAPI and Linux, and must hold an active U.S.

security clearance. The position offers competitive compensation, full health benefits, and comprehensive PTO, medical, dental and vision coverage, plus a 401(k).