Veltrionexa Systems LLC

Reliable transactional web systems, engineered end to end.

We design, build, and ship production software for companies that depend on data integrity, uptime, and secure transactions — from Ruby on Rails backends to React interfaces and the cloud infrastructure underneath.

Start a project → Explore services
Core technologies
  • Ruby on Rails
  • React
  • PostgreSQL
  • TypeScript
  • AWS
  • Stripe
12+
Years building web systems
99.9%
Target service uptime
40+
Systems shipped to production
100%
Senior, hands-on engineering
// Services

A full range of engineering for transactional products.

From a first MVP to a system handling thousands of transactions a day, we cover the entire delivery lifecycle across a broad set of technologies.

Transactional Backends

Ruby on Rails and API-first services built for consistency, concurrency, and financial-grade data integrity.

RailsPostgreSQLSidekiq

Modern Web Interfaces

Responsive React & TypeScript front-ends with clean state management, accessibility, and real-time updates.

ReactTypeScriptNext.js

Payments & Integrations

Secure payment flows, billing logic, and third-party integrations — Stripe, banking APIs, ERPs, and more.

StripeWebhooksOAuth

APIs & Architecture

REST and GraphQL APIs, service boundaries, and system design that scales without becoming a liability.

RESTGraphQLEvent-driven

Cloud & DevOps

CI/CD pipelines, containerized deploys, observability, and infrastructure-as-code on AWS and beyond.

AWSDockerCI/CD

Security & Audits

Hardening, dependency and code audits, access control, and compliance-minded engineering practices.

AuthEncryptionAudits
// Approach

A pragmatic path from idea to production.

No oversized teams or endless discovery phases — just focused, senior engineering and tight feedback loops.

01

Discovery

We map the domain, transactions, and constraints to define the smallest system that delivers value.

02

Architecture

Data models, service boundaries, and a technology plan chosen for reliability and longevity.

03

Build & Ship

Iterative delivery with tests, code review, and continuous deployment to real environments.

04

Operate

Monitoring, support, and ongoing improvements that keep the system healthy as it grows.

// Technology

Technology chosen to fit the problem.

We are not tied to a single framework. We pick proven tools across the stack and use them well.

Backend & Data

Ruby on RailsNode.jsPostgreSQLRedisSidekiqGraphQLElasticsearchKafka

Frontend & Mobile

ReactTypeScriptNext.jsTailwind CSSReact NativeVite

Cloud & Infra

AWSDockerTerraformGitHub ActionsKubernetesCloudflare

Payments & Security

StripeOAuth 2.0JWTPCI-aware flowsSentryDatadog
Founder of Veltrionexa Systems
Founder & Lead Engineer
Veltrionexa Systems
// Founder

Bruno Velasco

Founder & Lead Engineer

Our founder started Veltrionexa Systems to give companies a direct line to senior engineering — without the overhead of a large agency. With more than a decade building transactional web platforms, he has shipped systems across fintech, commerce, and operations where correctness and uptime are non-negotiable.

He works hands-on across the full stack, from Rails domain models and database design to React interfaces and cloud deployment, and stays personally involved in every project the company takes on.

Full-stack engineeringSystem architectureRuby on RailsReactCloud & DevOps
Connect on LinkedIn
// Contact

Have a system to build? Let's talk.

Tell us about your product, your transactions, and your timeline. You'll get a direct, technical response — no sales funnel.

Email
contact@veltrionexa-systems.com
Company
Veltrionexa Systems LLC
Engagements
Remote · Worldwide
Email us →