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English
$
USD
I will build custom desktop applications with electron and nextjs
Agustin O.
About this gig
Looking for a custom desktop application that is lightning-fast, private, and runs entirely offline? I will build premium, local-first desktop software tailored to your business needs using Electron, Next.js, and React.
Whether you need to replace clumsy Excel sheets, track sales, manage inventory, or build a custom ERP/CRM tool, I've got you covered.
What I Offer:
Custom Desktop Apps: Native performance on Windows, macOS, and Linux.
Local-First Architecture: Runs on a local SQLite/JSON database. No monthly database hosting fees
Modern Responsive UI: Beautiful dark modes, glassmorphism, and responsive widget layout grids.
Interactive Visuals: Custom charts (Recharts), dynamic tables, and analytics.
Integrations: Connect custom APIs, background services, or messaging systems.
Why Choose Me?
Clean, typed code (TypeScript) for long-term maintainability.
Premium design aesthetics: No generic, ugly browser defaults.
Full ownership: You get the code (Standard/Premium) and it runs forever without license fees.
I am dedicated to building high-performance software that works at the speed of thought. Please contact me before placing an order to discuss your project requirements.
Get to know Agustin O.
Agustin O.
High Performance Web and Desktop Software Engineer
- FromArgentina
- Member sinceAug 2026
Languages
Spanish, English
I am a Software Engineer with experience building offline-first ERP systems and interactive AI-powered platforms. I specialize in full-stack development using TypeScript, Python, and Go, with a focus on optimizing database performance and implementing scalable architectures like Microservices and DDD.
My Portfolio
FAQ
What is a "local-first" desktop application?
Local-first means the application runs entirely on your computer and stores data in a local database (like SQLite). This ensures instant load times, complete data privacy, and 100% offline functionality. You don't need an active internet connection to use it.
Do I have to pay any monthly hosting or subscription fees?
No! Because the database is stored locally on your machine, there are no monthly server or database hosting costs. Once the application is delivered, it is yours to use forever with zero recurring fees. The only exception is adding the cloud sync extra gig.
Can the application run on both Windows and Mac?
Yes! Using Electron, I can compile and build the software into native packages for Windows (.exe), macOS (.dmg/.app), and Linux.
Can I sync the local database with the cloud later?
Absolutely. If your business grows or you need to share data across multiple devices in real-time, we can integrate a cloud synchronization layer (like Supabase or Firebase) as an add-on.
Do you provide the complete source code of the project?
Yes, the complete source code is included in the Standard and Premium packages. For the Basic package, you can acquire the source code as a Gig Extra.
