Software That Matters More

SEP makes vital software. The kind that keeps airplanes in the sky, helps farmers feed a growing population, and makes medical devices safe—the kind where “good enough” doesn’t cut it.

So, whatever industry you’re in, bring us your toughest challenge. We’re wired to tackle what really matters—to you, to us, and to our world.

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Let's Shape What's Next

Expectations are high. The timeline is tight, and you can’t afford to miss or to build the product twice. That’s when you turn to SEP. Because we’re a software development company made of people with the technical expertise to research, design and build the right product—regardless of the tech or domain.

So, let’s tackle the hard stuff. And let’s do it right.

Explore Our Services

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Cloud

Elevate your big ideas sky-high. Migrate enterprise systems or build native cloud apps with a trusted partner like SEP.  ›
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Desktop

In the lab, on the runway, and by the hospital bed, clients trust us to craft reliable desktop software.   ›
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Embedded

We have the know-how to build secure embedded systems – whether it’s custom hardware, bare metal, or embedded Linux. ›
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Mobile

Tackle any challenge in your app’s journey with our expertise in building cross-platform and native apps. ›
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Web

Front-end, back-end, or end-to-end, we build incredibly rich web experiences. ›
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Ready for what's next?

Whatever industry you’re in, our custom software development services can help you tackle your toughest challenges. Let’s develop something extraordinary together.  ›

SEP Wins TechPoint’s 2025 Exceptional Employer Mira Award

SEP Recognized as Indiana’s Top Tech Employer, Winning TechPoint’s Prestigious Mira Award Westfield, Indiana – SEP has been named Exceptional Employer by TechPoint at the 26th annual Mira Awards. This award recognizes companies that are developing talent through skills-based hiring…
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Explore SEP Case Studies by Industry

Since 1988, we’ve built everything from heavily regulated systems to consumer products. So no matter what industry you’re in, we have the talents, training, and tools to discover, plan, and build exceptional products that users love.

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Aerospace & Defense

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Automotive & Heavy Machinery

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Consumer & Industrial IoT

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Financial Technology

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Precision Agriculture

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Life Sciences

See All Case Studies

We speak C. And C++. And C#.

But more importantly, we know when to use them. Bring us your problems—we’ll find the best solution and figure out the right tech to make it work.

  • AWS
  • Android
  • .NET
  • React
  • Python
  • Node.js
  • iOS
  • Arduino
  • Embedded Linux
See Our Tech Stack
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Testimonial

As a product company, we have had to bring in a software development company to help fill in some gaps. When we hire SEP, we have the peace of mind knowing they truly understand the problem and understand what we're asking. The way they approach quoting the work and the discovery process to make sure we knew what to build was above and beyond what I see others doing.
Adam C., Chief Technology Officer

Let's create something special.

We’d love to chat with you. Reach out today to discover how SEP can activate your big ideas.

Let's talk