About Rui Codex
Code-first engineering for enterprises that see technology as a strategic force.
Engineering Excellence, Delivered
Rui Codex is a software engineering house based in Brussels, Belgium, working with a "Code-First" approach for companies that see technology as a strategic force — not just a tool.
We solve complex problems with clean code principles and sustainable architectures. Our team of senior engineers brings deep expertise across backend, frontend, mobile, cloud, and AI — delivering solutions that don't just work, but scale and endure.
We don't just write code; we digitize your business. From analyzing your current infrastructure to mapping out a technology roadmap and modernizing legacy systems, we provide strategic consulting that drives real transformation.
200+
Projects Delivered99.9%
System UptimeAnalysis-Driven
We understand your business before we start coding.
Security-First
Security by Design from the architecture phase.
Transparency
Regular sprint reviews and open communication.
Performance
Optimized for speed, reliability, and scale.
Our Mission
To empower enterprises with software solutions that are not just technically excellent, but strategically aligned with their business goals. We bridge the gap between complex technology and real-world business outcomes, making digital transformation accessible, measurable, and sustainable.
Our Vision
To become the trusted engineering partner for enterprises across Europe, known for delivering robust, scalable software that stands the test of time. We envision a world where every business can harness the full power of technology through clean architecture and thoughtful engineering.
Selman Altinay
Founder & Lead Engineer
Founder & Team
Rui Codex was founded by Selman Altinay, a software engineer and consultant with 12+ years of hands-on experience building enterprise-grade solutions across Europe. From backend systems and cloud architecture to AI-driven automation and ERP implementations, Selman has led the delivery of hundreds of projects for businesses of all sizes.
With deep expertise in .NET, Python, AI, cloud architecture, and ERP systems, our team combines technical depth with real-world business understanding to deliver solutions that actually move the needle.
Why Businesses Choose Us
Proven results, deep expertise, and a commitment to your success.
200+
Projects Delivered
From MVPs to enterprise-scale platforms, we have a proven track record of delivering successful projects on time and on budget.
12+
Years Experience
Over a decade of hands-on engineering, consulting, and delivering enterprise software solutions across multiple industries.
EU
Belgium-Based, EU-Wide Service
Headquartered in Brussels with the ability to serve clients across the entire European Union, both remotely and on-site.
5
Multilingual Team
We communicate fluently in English, French, Dutch, Turkish, and German — removing language barriers from your projects.
Security-First Approach
GDPR compliant, ISO 27001 aligned, and OWASP-tested. Security is built into every layer of our development process.
End-to-End Support
From initial discovery and architecture to deployment, monitoring, and ongoing maintenance — we're with you at every stage.
Built on Agile, Driven by Results
We follow a structured yet flexible Agile methodology with 2-week sprints, ensuring rapid iteration and continuous delivery. Every project goes through a clear, repeatable process designed to minimize risk and maximize value.
Transparent communication is at the heart of everything we do. You get regular demos, detailed progress reports, and direct access to your engineering team — so you're never in the dark about your project's status.
Clear Process
Discovery → Planning → Build → Test → Launch → Support
Agile Methodology
2-week sprints with iterative delivery, backlog grooming, and sprint retrospectives.
Transparent Communication
Regular demos, open Slack/Teams channels, and weekly status reports keep you informed at every step.
Project Lifecycle
How We Work
A proven, transparent process that delivers results at every stage.
1. Discover & Analyze
Deep-dive sessions into your business processes, pain points, and goals. We map out your current systems and identify opportunities for improvement.
2. Architect & Design
We create detailed technical specifications and architecture diagrams, ensuring scalability, security, and maintainability are built in from day one.
3. Build & Iterate
Agile 2-week sprints with regular demos. Clean code, thorough reviews, and continuous integration ensure quality at every step.
4. Test & Validate
Comprehensive testing — unit tests, integration tests, performance testing, and security audits — before any release goes live.
5. Deploy & Monitor
CI/CD pipelines for smooth deployments. Real-time monitoring, alerting, and performance dashboards keep everything running.
6. Maintain & Scale
Ongoing support, performance optimization, and infrastructure scaling as your business grows and evolves.
Standards & Compliance
We adhere to international standards in security, quality, and data protection.
ISO 27001
Information Security Management compliant development practices.
GDPR Compliant
Full compliance with EU General Data Protection Regulation.
OWASP Standards
Security testing aligned with OWASP Top 10 guidelines.
Agile / Scrum
Certified Agile methodology with iterative delivery and transparency.
Based in the Heart of Europe
Headquartered in Brussels, Belgium, Rui Codex operates at the crossroads of European business and technology. Our central location enables us to serve clients across the EU with ease, providing both on-site consulting and remote engineering capabilities.
Why Belgium?
- Central EU location for easy access to major European markets
- Strong technology and innovation ecosystem
- Multilingual talent pool (English, French, Dutch, German)
- EU data protection and regulatory compliance
- Proximity to EU institutions and international organizations
Our Products
Software products designed, built, and operated by the Rui Codex engineering team.
EveryTranslate
everytranslate.comA professional multilingual translation platform powered by advanced AI technology. EveryTranslate enables businesses and professionals to translate text, documents, and files across 50+ languages with enterprise-grade accuracy, GDPR compliance, and a developer-friendly REST API.
Ready to Transform Your Business?
Tell us about your challenges and let our team design a custom solution roadmap for your business.
Book a Discovery Call