💻 Full Stack Developer | C# (.NET) · PHP · React · Angular · Ionic · Python
📍 Alcalá de Henares, Madrid (Spain)
🌐 Portfolio • 💼 LinkedIn • 📧 [email protected]

I’m a full stack developer with over 5 years of professional experience, specialized in web and mobile development, API design, and system integration.
I enjoy creating scalable, efficient, and well-structured software solutions that help companies optimize their digital processes.

Currently, I’m the Head of IT Department at Onventanas Energy Saver Windows SL, leading the design and development of internal applications, APIs, and integrations that support the company’s daily operations.

📆 2021 – Present | Head of IT Department

• Development of mobile applications using Ionic and React.
• Design of RESTful APIs with C# (.NET) for internal and warehouse management systems.
• Creation of a C# library for the company’s main software (PrefGest).
• Integration of factory machinery with internal software using XSLT.
• Maintenance and improvement of the company’s CRM and other in-house applications.
• Application of Domain-Driven Design (DDD) and microservices architecture in enterprise projects.
• Migration of internal projects to .NET 9 and modernization of legacy systems.

📆 2019 – 2021 | Full Stack Developer

• Maintenance and development of internal web modules using PHP and C#.
• Migration of applications from Visual Basic 6.0 to C# (.NET).
• Development of management and reporting tools for executive use.

📆 2018 – 2019 | Software Development Intern

• Maintenance and improvement of applications for banking and legal sector clients using ASP.NET.
• Frontend development for the e-Time mobile application, focused on employee time and payroll management.

📆 2013 – Present

• Development of websites using WordPress, Angular, and React.
• Creation of native mobile apps for iOS (Swift) and Android (Java/Kotlin), and hybrid apps with Ionic.
• Personal projects in Python and C#, such as YouTube video downloaders and media converters.
• Designed a microservices infrastructure for movie management using Kubernetes with real-time routing and orchestration.
• Built a bookstore web application using both React and Angular.

• 🎓 Master’s in Agile Web Software Development
  Universidad de Alcalá (2023 – 2024)

• 🎓 Bachelor’s in Information Systems Engineering
  Universidad de Alcalá (2017 – 2022)

• 🎓 Higher Technician in Multiplatform Application Development
  IES Alonso de Avellaneda (2014 – 2016)

• 📘 Occupational Risk Prevention Technician (50 hours)

Languages: C#, PHP, JavaScript, TypeScript, Python, SQL
Frameworks: .NET 8/9, React, Angular, Ionic, Express, Node.js
Databases: PostgreSQL, MySQL, SQL Server
Cloud & DevOps: Docker, Kubernetes, Vercel, Azure
Others: XSLT, DDD, REST APIs, Microservices, WordPress

• 🌐 Portfolio: danielstanus.github.io
• 💼 LinkedIn: linkedin.com/in/daniel-calin-stanus-1aa6a0b5
• 📧 Email: [email protected]

⭐ “Clean code is not just written for machines — it’s written for humans who maintain it.”