Sergiu Butnarasu, Developer in Sibiu, Romania
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Sergiu Butnarasu

Verified Expert  in Engineering

Software Developer

Sibiu, Romania

Toptal member since October 31, 2024

Expertise
CSSJavaScriptTypeScriptReact.jsNext.jsGitGraphQLAngularjQueryTailwind CSSIonicGitHubC#MySQL
Bio

Sergiu is a senior front-end engineer with over 12 years of experience. He specializes in developing web, mobile, and desktop applications. During this period, Sergiu has studied the entire development process, including design, development, and deployment, focusing on UI/UX and the application's functionality.

Portfolio

Edelcode
JavaScript, TypeScript, React, Angular, Ionic, Stencil.js, CSS, C#, SQL...
IT Perspectives
C#, JavaScript, Microsoft SQL Server, ASP.NET MVC, Entity Framework...

Experience

  • JavaScript - 12 years
  • Agile Sprints - 10 years
  • TypeScript - 8 years
  • React - 6 years
  • GraphQL - 6 years
  • Next.js - 4 years
  • Angular - 4 years
  • Tailwind CSS - 3 years

Availability

Part-time

Preferred Environment

MacOS, Visual Studio Code (VS Code), Docker

The most amazing...

...solution I've developed is a calendar picker plugin for the Ionic framework community, which has become one of the top five plugins in the Ionic market.

Work Experience

Senior Full-stack Developer

2017 - 2020
Edelcode
  • Gained valuable experience in accounting and billing domain projects, significantly contributing to improving operational efficiency.
  • Developed strong communication and leadership skills, working effectively with cross-functional teams and leading projects.
  • Created web applications, handling architecture, design, and user experience.
  • Designed and developed CI/CD automation tools using Azure DevOps, streamlining application build and delivery processes, reducing manual efforts, and accelerating software release cycles.
Technologies: JavaScript, TypeScript, React, Angular, Ionic, Stencil.js, CSS, C#, SQL, Microsoft SQL Server, Continuous Delivery (CD), Continuous Integration (CI), Azure DevOps

Software Developer

2012 - 2017
IT Perspectives
  • Worked on projects in domains including health insurance, events, website presentation with 2D model customization (image processing), and building web application architectures.
  • Improved desktop and web development skills, working with specific frameworks, including ASP.NET MVC, ASP.NET Web Forms, WPF, and Windows Forms (WinForms).
  • Handled front-end development, leveraging CSS frameworks, including Bootstrap and Sass.
  • Gained proficiency in modern JavaScript frameworks and libraries, including jQuery, AngularJS, and Angular.
Technologies: C#, JavaScript, Microsoft SQL Server, ASP.NET MVC, Entity Framework, ASP.NET Web Forms, CSS, jQuery, jQuery UI, Sass, AngularJS, Angular, Elasticsearch, Bootstrap

Experience

Calendar Date Picker Plugin for Ionic Framework

I have developed a date picker plugin for the Ionic framework that developers can use in their PWA applications. It was built using Stencil.js and Sass and has become one of the top five plugins in the Ionic market.

Education

2012 - 2014

Master's Degree in Embedded Systems

Faculty of Engineering - Sibiu, Romania

2008 - 2012

Bachelor's Degree in Computer Science

Faculty of Engineering - Sibiu, Romania

Skills

Libraries/APIs

React, jQuery, jQuery UI, Entity Framework

Tools

GitHub, Git, Stencil.js

Languages

TypeScript, JavaScript, CSS, GraphQL, C#, Java, Assembly, C++, SQL, Sass

Frameworks

Next.js, Angular, Ionic, Tailwind CSS, ASP.NET MVC, ASP.NET Web Forms, AngularJS, Bootstrap

Paradigms

Unit Testing, Scrum, E2E Testing, Kanban, Design Patterns, Object-oriented Programming (OOP), Continuous Delivery (CD), Continuous Integration (CI), Azure DevOps

Platforms

Visual Studio Code (VS Code), Docker, MacOS

Storage

MySQL, PostgreSQL, Elasticsearch, Microsoft SQL Server

Other

Agile Sprints, Styled-components, GitHub Actions, Embedded Systems, Computer Science

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