Custom Web Applications
Responsive React and Next.js applications, business portals, dashboards, internal tools, and customer-facing platforms.
Southern Massachusetts & Rhode Island
Full-stack software development for ambitious businesses everywhere
I'm Mark Gill, a senior full-stack developer based in Southern Massachusetts. I build custom web applications, mobile apps, APIs, and backend systems for businesses across the U.S. and worldwide, including nearby clients in Massachusetts and Rhode Island.
Software Services
A development partner with full-stack range
Work directly with an experienced developer who can connect product requirements, user experience, frontend code, backend services, and databases.
Mobile App Development
Cross-platform iOS and Android applications built with React Native and connected to custom backend services.
APIs & Backend Systems
Secure Node.js APIs, databases, authentication, permissions, integrations, and real-time application features.
Existing Application Support
Feature development, debugging, performance improvements, modernization, and maintainable refactoring.
Why Work With Me
Clear communication and practical engineering
I have more than five years of experience delivering startup MVPs and enterprise-grade systems. Clients rely on me to learn quickly, communicate clearly, take ownership, and produce clean code that can evolve with the product.
Based locally. Available worldwide.
Gill Software Solutions is based in Southern Massachusetts and available to clients across the U.S. and worldwide. I welcome nearby projects in Massachusetts and Rhode Island, including Boston and Providence, as well as remote collaboration wherever your team is based.
Remote collaboration lets us work together wherever you are, with clear communication and a schedule coordinated around your team.
Frequently Asked Questions
Working together
What can you build?
Custom web applications, React and Next.js platforms, React Native mobile apps, Node.js APIs, databases, real-time features, integrations, and internal business tools.
Do you only work with businesses in Southern Massachusetts and Rhode Island?
No. I am based in Southern Massachusetts and available to work with clients across the U.S. and worldwide through remote collaboration.
Can you improve software that already exists?
Yes. I can add features, solve bugs, improve performance, integrate external services, modernize legacy code, and strengthen application architecture.
Let's build something useful.
Based in Southern Massachusetts. Available for projects across the U.S. and worldwide.