Custom Software Development Seattle

Building Scalable Digital Solutions for Seattle’s Innovation-Driven Businesses

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Years of Engineering Excellence

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Expert Technologists

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Global Clients

Global Delivery Centers

What We Do

Software Designed to Scale with Seattle Businesses

Custom Software Development

Embedded Engineering

Cloud-Native Engineering

AI & Automation

API & Systems Integration

Site Reliability Engineering (SRE)

Legacy Modernization

Software Testing & QA

As a leading custom software development company in Seattle, we build tailored digital solutions that help organizations innovate faster, operate efficiently, and grow sustainably.

From IoT platforms to high-performance systems, we develop embedded solutions that seamlessly integrate hardware and software with precision.

We modernize legacy systems and build cloud-first architectures that deliver flexibility, resilience, and long-term scalability.

We apply AI where it matters most, streamlining workflows, improving decision-making, and unlocking new efficiencies across your business.

We connect applications, platforms, and data into one unified ecosystem that drives collaboration and operational clarity.

Our SRE specialists ensure uptime, stability, and performance through proactive monitoring and intelligent automation.

We transform older platforms into secure, cloud-ready systems without disrupting ongoing operations.

Quality is embedded into every release. Our QA teams ensure performance, security, and reliability across all development phases.

Bold Problems. Beautifully Solved.

Explore How We Solve Complex Challenges

99% More Issue Reporting, 83% Faster Resolutions

How We Helped a Major Public-Sector Authority Digitize 31,000 KM of Roads with a Next-Gen Road Asset Management System

Delivered a unified asset management platform for inventory, condition tracking, and evidence-based maintenance
Launched a public mobile app enabling real-time citizen reporting
Enhanced system performance to support large datasets and AI-enabled inspections
Integrated GIS data, corridor asset coverage, and robust audit controls

Re-engineering a Desktop Product into a Cloud-Ready Platform

How We Transformed a Legacy Desktop Application into a Secure, Scalable Cloud-Based Solution

Re-architected the platform to enable cloud scalability and flexibility
Improved application performance and strengthened security posture
Accelerated diagnostics through modernized, cloud-enabled workflows

Driving Seattle’s Digital Innovation

Whats Trending

Seattle Software Development Businesses Trust

From technology and healthcare to retail and logistics, we deliver software development in Seattle that supports transformation, efficiency, and measurable growth.

Innovation Powered by Cloud & AI in Seattle

We help organizations build modern digital foundations with cloud-native systems and AI-driven automation, enabling faster innovation and smarter decision-making.

Engineering Built for Seattle’s Technology Ecosystem

Seattle’s competitive environment demands scalable, secure solutions. Our software development company in Seattle delivers systems built for complexity, performance, and long-term success.

20 +

Years of
Excellence

Who We Are

More Than Developers, Engineering Partners for Growth

At Experion, we’re more than just another Seattle software development provider. We combine global engineering expertise, mature delivery frameworks, and a collaborative mindset to build software that is reliable, scalable, and future-ready.

Known as one of the top software development companies in Seattle, we prioritize delivering outcomes that create measurable business value.

Our Leaders