E-commerce Quotation Platform
A high-performance B2B quoting engine with complex pricing rules, tiered discounts, PDF generation, and real-time inventory syncing.
.NET CoreAngularSQL Server
Software Engineer
Building scalable software with intent.
I design and ship modern, reliable, user-focused applications — bridging robust backend architecture with intuitive frontend experiences.
> dony.castro --status ▸ let's build something
About Me
I'm a pragmatic software engineer who cares about craft. I enjoy turning fuzzy problems into clear systems, and clear systems into products people actually like using.
My work sits at the intersection of solid architecture and thoughtful UX. I value clean code, sharp feedback loops, and a healthy obsession with continuous learning.
terminal Architectspeed Performancehub Systems
Experience
R&D Software Engineer
Nov 2025 — PresentBairesDev · Remote
Designing scalable backend services with Clean Architecture, DDD, and CQRS. Building enterprise Angular apps with standalone components and signals, modernizing legacy systems, and shipping CI/CD pipelines on GitLab.
Lead Software Developer
Jun 2025 — Nov 2025Banco Popular Dominicano · Remote
Led secure .NET microservices and migrated multiple web apps to Svelte. Deployed cloud-native solutions on Azure with 99.9% uptime, established CI/CD on Azure DevOps and GitHub Actions, and mentored a team of three developers.
Software Developer I
May 2024 — Jun 2025Banco Popular Dominicano · Remote
Built and maintained backend APIs powering digital banking products. Shipped Vue 3 and Svelte frontends, deployed Azure-based services, and delivered a cross-platform Electron app serving over 10,000 users.
Software Engineer
May 2022 — PresentREMSES SRL · Remote
Designed scalable SaaS platforms with .NET Core and React, reducing load times by 40%. Built REST APIs, deployed Azure eCommerce and automation systems for 100+ active clients, and worked directly with clients end-to-end.
Core Stack
.NET
C#
TypeScript
React
Angular
Svelte
Node.js
SQL Server
PostgreSQL
AWS
Docker
GitFeatured Projects
Business Management System
A comprehensive ERP module for SME resource planning with HR tracking, automated reporting, and granular role-based access control.
C#TypeScriptAzure
dondo.tech
Personal tech blog and portfolio architecture — a headless CMS demonstration focused on extreme performance, SEO, and accessible design.
Next.jsTailwind
Personal Library App
A responsive PWA for cataloging personal book collections. Integrates with public ISBN APIs for automated metadata and cover art retrieval.
AngularRxJS
Let's build something that lasts.
Open to senior full-stack roles, architecture consulting, and ambitious product collaborations.