---
title: "Software Developer (Expert) at SOSi – Chantilly, VA"
canonical: "https://www.metaintro.com/job/software-developer-expert-at-sosi-55cfc43e-4a98-5c57-b7ef-bdd1be83fb0e"
language: "en"
author: "Metaintro"
---

[![SOSi logo](/api/company-logo?url=https%3A%2F%2Ficons.duckduckgo.com%2Fip3%2Fsosi.com.ico&sig=RGBezN7fxdFxAWN0wrxEGBjBExrENlP2-DPpqE-qszw)](/company/sosi)[SOSi](/company/sosi)
# Software Developer (Expert) at SOSi

Seniority in posting: other

**Setup**
: On-site

**Location**
: Chantilly, Virginia

**Type**
: Full-time

**Level**
: senior

**Posted**
: Sep 30, 2026

## Description

SOSi is seeking a Software Developer to support a government customer in Chantilly, Virginia. The role provides expert guidance on software architecture, performance optimization, and advanced engineering; leads technical strategy across development teams; establishes coding standards and best practices; and drives innovation in development toolchains, frameworks, and methodologies. The position requires active TS/SCI clearance with polygraph, at least 15 years of relevant experience, enterprise system design and implementation expertise, and experience integrating complex systems across multiple environments, including commercial cloud environments. The work environment is normal office conditions, and the position is contingent upon contract award.

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