Custom Software Development New York

Reimagining Digital Innovation in NYC

Get Started

20+

Years

1700+

Employees

500+

Clients

Global locations

What We Do

Purpose-Built for New York’s Boldest Businesses.

Custom Software Development

We build tailored, scalable software that solves real business challenges. As a leading custom software development company in New York, we help enterprises and startups turn ideas into intelligent digital solutions.

DevSecOps

We don’t bolt on security, we build with it. Every phase of development is integrated with automation, compliance, and intelligence to drive secure, uninterrupted innovation.

Cloud-Native Engineering

Transform legacy systems and embrace the cloud with modern, secure architectures. Our experts deploy cloud-first solutions that scale with your NYC business needs.

AI & Automation Solutions

Integrate AI into your operations, from intelligent workflows to personalized user experiences. We help New York businesses leverage machine learning for smarter outcomes.

Site Reliability Engineering

By combining software engineering with infrastructure expertise, our SRE teams ensure system resilience, high availability, and consistent performance across environments.

Embedded Engineering

We offer affordable and reliable embedded engineering services, from IoT solutions and RTOS to smart device integration, firmware optimization, and legacy system maintenance.

Legacy Modernization

Revive and reimagine legacy software with future-ready tech. We help NYC enterprises unlock agility, improve performance, and reduce technical debt

Software Testing & QA

Ensure flawless application performance. Our quality engineering team delivers end-to-end testing services to maintain security, performance, and user trust across your custom software development NYC lifecycle.

Bold Problems. Beautifully Solved.

Explore how we turn business challenges into lasting impact.

10% Faster Loan Processing via Automation

Reengineering Lending, End-to-End

How We Helped One of the Largest U.S. Lending Enterprises Transform Loan Origination and Servicing Through a Scalable Digital Platform

60% Reduction in Appointment Wait Times

Transforming Access to Care with Telehealth

How We Helped a Leading Healthcare Provider Launch a Scalable, HIPAA-Compliant Telemedicine Platform for Remote Patient Care.

What's Trending

Powering New York’s Digital Breakthroughs

Unlock Growth with AI-Driven Custom Software in NYC

Innovation moves fast in New York, and so do we. Our AI-powered custom software solutions are designed to match the city’s relentless pace. From hyper-personalized experiences to predictive automation, we help New York enterprises and disruptors scale smarter, operate faster, and deliver real business value, whether you're building in Manhattan, Queens, or beyond. dictive insights, and smarter automation. Whether you're in Silicon Valley or SoCal, we help you scale digital impact with intelligent technology.

ESG Software Solutions Built for New York’s Sustainability Agenda

Tackle New York’s ambitious sustainability goals with purpose-built ESG platforms. Our custom solutions help enterprises navigate regulatory demands, embed Environmental, Social, and Governance practices into operations, and lead with transparency and accountability, supporting a cleaner, smarter, and more responsible urban future.

Smart Tech for Smarter Cities: Powering NYC’s Urban Future

From intelligent transit systems to connected infrastructure, we help reimagine urban living in New York through data-driven innovation. Our smart city solutions enhance mobility, improve public services, and strengthen digital connectivity, turning NYC’s complexity into a catalyst for progress.

About Us

Beyond Developers. We’re Partners in Progress.

Transforming bold ideas into powerful digital realities.

At Experion, we believe great engineering doesn’t start with code, it starts with people. We are storytellers, travelers, tinkerers, athletes, dreamers. What drives us beyond the screen sharpens how we think, create, and solve.

These diverse passions fuel our perspective, push our creativity, and ground us in empathy. So when we build products, we bring more than technical skill, we bring intuition, precision, and heart.