**Maria Sierra-Loynaz**
Web Developer - Shopify
Valrico, FL 33594
mariasierra56_ea7@indeedemail.com
+1 (813) 768-5545

Fullstack developer with advanced proficiency in front-end development using JavaScript (React, Angular, Node.js, Next.js). Flexible and enthusiastic about adopting new technology. Authorized to work in the US for any employer.

### **Work Experience**

**Full Stack Developer**
Coginov – Ottawa, ON | Nov 2022 – Present
*Technical Stack: React, Node.js, C#, SQL Server*
- Fullstack development with .NET and React.
- Converted React app to PWA.
- Built UI dashboard from scratch and added required APIs.
- Developed SharePoint extensions and Hangfire jobs.
- Managed entire development lifecycle, from setup to deployment.

**Web Developer**
Shopify – Ottawa, ON | Nov 2019 – May 2023
*Technical Stack: React (Context API), GraphQL, Node.js, Ruby on Rails*
- Developed features for "Signup," "Price Selection," and "Import from other platforms" apps.
- Conducted code reviews and cross-team collaboration.
- Estimated and broke down development tasks.

**Web Developer (Contractor at Nokia)**
Syntronic – Ottawa, ON | Feb 2018 – Nov 2019
*Technical Stack: React/Redux, Spring Boot (Java)*
- Frontend (70%) and backend (30%) development for optical network management app.
- Collaborated on task estimation and dependency assessment.

**Full Stack Developer**
Club Assist – Ottawa, ON | May 2017 – Feb 2018
*Technical Stack: Angular 2/Redux, C#, Ionic*
- Developed Web APIs and fixed backend issues.
- Built internal data management apps (web & hybrid mobile).

**Web Developer**
Royal Caribbean – Miami, FL | Nov 2016 – Jul 2017
*Technical Stack: Angular 2/Redux*
- Migrated Online Check-in from Angular 1 to Angular 2.

**Web Developer**
Fuel Youth – Ontario, CA | Nov 2013 – Oct 2016
- Full-stack development (70% frontend, 30% backend).
- Worked on Barbie.com, WBKids, Justice websites.
- Used ASP.NET, MVC, Entity Framework, Angular, jQuery.

**Web Developer**
Jitisoft | Oct 2012 – Sep 2013
- UI development with Sencha Touch.
- Custom ERP development in Python (PostgreSQL, jQuery).

### **Education**
**College Diploma in Computer Programming**
Algonquin College – Ottawa, ON | Sep 2011 – Jul 2013

**Bachelor’s Degree in Computer Science**
Cujae – Havana | Sep 1989 – Jul 1994

### **Skills**
**Frontend:** React, Angular, JavaScript, TypeScript, HTML5, CSS, Bootstrap, Redux
**Backend:** Node.js, C#, .NET Core, Java, Python, REST, GraphQL
**Databases:** SQL Server, MySQL, PostgreSQL, Oracle
**Tools:** Git, Docker, Azure, Jasmine, JUnit, Agile/Scrum

### **Assessments**
- **Software Developer Fit (Proficient)** – May 2022 & Mar 2024

### **Additional Skills**
- **Languages:** Classic ASP, PHP
- **Frameworks:** MVC, Entity Framework, LINQ, Xamarin
- **Testing:** Jasmine, JUnit
- **OS:** Windows, Linux

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