Software Development Services

From architecture and API integration to legacy modernization — scalable technology solutions tailored to your business.

What We Do

architecture

Software Architecture & Design

Give us an idea of what your needs are and we can architect a solution consisting of one or more technologies if necessary. We work with several development languages and complex frameworks.

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Integrations & APIs

From building custom APIs to extending your existing legacy systems to integrate with external applications, we can help bridge the gap between old and new.

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E-Commerce

Looking to build an online presence? We can help you get going. Our team has experience with many existing e-commerce platforms as well as the expertise to build one according to your needs.

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Search Engine Optimization

We can identify search engine optimization opportunities and deliver results to help your site(s) rank higher and reach more potential customers.

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Legacy Systems Support

We can help you maintain your time-tested legacy systems. We have AS400 experts in CL/RPGLE/Cobol who can integrate your existing ERP system with today's technology platforms.

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Maintenance & Support

Once your website or application is off the ground, ongoing support will need to be established. We can assist with on-going maintenance and keep your systems running smoothly.

Polyglot Developers

Based on the project's requirements, we will choose the most suitable technologies for its implementation and make sure they work harmoniously.

Our team is fluent in multiple programming languages, frameworks, and platforms — allowing us to pick the right tool for every job rather than forcing a one-size-fits-all approach.

Polyglot software developers working across multiple programming languages

Technologies We Use

Although not a comprehensive list, these are some of the more common environments in which we are highly skilled and have created several solutions on. We can also introduce CI/CD for implementations requiring on-going feature support.

code Languages

.NET/C#/VB, NodeJS, JVM (Java, Groovy, Kotlin, Spring), JavaScript/jQuery/Angular/React, HTML5, CSS/Bootstrap, PHP, Legacy Programming Languages (RPG/ILE, COBOL), Git/SVN

database Databases

MySQL, MariaDB, MS SQL, MongoDB, PostgreSQL, DB2, DB2/400

hub Integration Platforms

E-Commerce (Shopify, Magento, nopCommerce, Custom), CMS (Drupal, Joomla), LinkedIn, and Custom Integrations.

cloud Cloud Services

We offer assistance with modernizing your infrastructure or applications to run natively on the cloud. AWS, DigitalOcean, Fly.io, and more.

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Years of Experience

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Implementations & Projects

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Industries Served

Frequently Asked Questions

What does Invariably Digital do?

We provide custom software development and technology consulting for mid-tier businesses — including software architecture, API integration, e-commerce, legacy system modernization, and ongoing maintenance. We've delivered scalable solutions across industries for over 25 years.

What is Omni?

Omni is our flagship product — a SaaS business operating system that runs your entire business from one platform. Built for retail, B2B, e-commerce, and service businesses, it unifies POS, inventory, customer management, purchasing, fulfillment, and reporting — all connected, all included, with no per-user fees and AI built into every plan. Explore Omni.

Do you support legacy systems like IBM AS/400?

Yes. We have AS400 experts in CL, RPGLE, and COBOL who can maintain your time-tested legacy systems and integrate your existing ERP with today's modern technology platforms.

What industries and regions do you serve?

We serve mid-tier businesses across 15+ industries — including retail, e-commerce, B2B, and services. We're based in Eastchester, NY and work with clients throughout the United States.

How do I get started?

Contact us for a free consultation. Tell us about your project or question and we'll help you architect the right solution for your business.

Our Flagship Product: Omni

Everything we've learned building solutions across industries is distilled into Omni — a SaaS business operating system that runs your entire business from one platform. POS, inventory, customer management, purchasing, fulfillment, and reporting: all connected, all included — no per-user fees, with AI built in.

Explore Omni