3Pillar is a digital product development firm founded in 2006, headquartered in Fairfax, Virginia. The company employs over 1,000 people across North America, Europe, Asia-Pacific, and Latin America, serving clients in healthcare, financial services, insurance, media, and high-tech sectors.
Its core business centres on modern application strategy, design, and engineering - helping high-growth companies execute mission-critical digital initiatives. Technical domains span product strategy, engineering, data, AI, legacy system modernisation, and intelligent product development.
A notable offering is the HelixAI platform, a proprietary system combining Software Archeology, AIRE, and NEXUS components. It is designed to help organisations evaluate existing applications, modernise legacy systems for AI-readiness, and accelerate innovation cycles.
For those working at the intersection of AI and software engineering, 3Pillar's focus on AI-driven product development and legacy modernisation provides a range of technically complex, large-scale projects across multiple industries.






