Ionut A.

Ionut A.

Bucharest, Romania
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About Me

Ionut is a Senior Front-end Developer with 10 years of experience building innovative software solutions and websites for desktop and mobile platforms using JavaScript/TypeScript, HTML5/CSS3 (SCSS/LESS), Tailwind, Sass, React/Redux, Next.js, and Angular (NgRx, NgXs, RxJS). He applies best practices and writes clean, well-organized, testable, and reusable code, delivering high-quality customer-facing applications and web-based solutions for clients. Ionut also works with various design tools to create clear and concise graphics, multimedia, and data visualizations and partners with product, design, and data teams to build and launch new applications in an Agile environment. He further provides technical direction with key decisions on how to create and maintain front-end applications, identifying and addressing performance bottlenecks to improve performance.

Frontend

Backend

Database

QA & Testing

Other

Work history

UpStack
UpStack
Senior Front-end Engineer
2015 - Present (10 years)
Remote
  • Creating and developing innovative software solutions for various clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Klarna (and Piggy)
Klarna (and Piggy)
Senior Front-end Developer
2019 - 2023 (4 years)
Remote
  • In charge of UI/UX, developed web pages inside the web app using React.js, Redux, HTML, CSS, and SCSS based on provided graphic design with Figma tool.

  • Built and maintained the current chrome extension using React.js to help clients save money with online shopping.

  • Added extension features for various external clients (e.g., Microsoft).

Outdoorsy
Outdoorsy
Senior Front-end Developer
2018 - 2019 (1 year)
Remote
  • Implemented pixel-perfect graphic designs using Next.js and Tailwind.

  • Applied performance optimization techniques (image optimization, LCP, CLS, FCP) and added support for mobile and tablet, cross-browser, and cross-device optimization.

  • Wrote unit tests with Jest and e2e tests with Cypress.

Next Level Dating
Next Level Dating
Front-end Web Developer
2013 - 2015 (2 years)
Bucharest, Romania
  • Regularly partnered with product, design, and data/back-end teams to scope, build, and launch new applications in an Agile environment.

  • Successfully redesigned and developed customer-facing web applications and user experiences to be mobile-friendly and responsive.

  • Designed and launched projects with a production version that had all JavaScript and CSS files properly unified and minified for efficiency.

Actionam responsabil! - Reteaua sociala RSC
Actionam responsabil! - Reteaua sociala RSC
Web Developer & Graphic Designer
2013 - 2013
Bucharest, Romania
  • Utilized different design tools to create clear and concise graphics, multimedia, and data visualizations for client projects.

  • Created forward-thinking, web-based solutions with an emphasis on user interaction-based design for clients.

  • Successfully executed web media and print media projects from conception through to completion.

uberVU
uberVU
Front-end Web Developer
2012 - 2013 (1 year)
Bucharest, Romania
  • Participated in writing clean, well-organized, testable, and reusable code for the uberVU application.

  • Identified and addressed performance bottlenecks within front-end applications to improve performance.

  • Liaised with creative and marketing teams and product managers to create different web apps for clients.

Bitdefender
Bitdefender
Front-end Web Developer
2011 - 2012 (1 year)
Bucharest, Romania
  • Developed interactive and web-responsive newsletters from graphic designs for product users.

  • Built efficient user features and graphical programming interfaces for different web design and landing page solutions.

  • Supported standups, integrated web applications, and updated website content on all Bitdefender sites.

Senior Interactive
Senior Interactive
Front-end Web Developer
2009 - 2011 (2 years)
Bucharest, Romania
  • Designed, built, and maintained client and member-facing web applications and innovative landing pages according to technical specifications.

  • Provided technical direction with key decisions on how to create and maintain front-end applications for Senior Interactive.

  • Implemented visual elements in web applications using HTML, CSS, and JS/jQuery; applied best practices in delivering creative solutions to clients' business and technical problems.

Showcase

Front-end React.js Developer
Front-end React.js Developer
  • Implemented graphic design with HTML/CSS and added CSS3 animations and Facebook login.

  • Created a REST API to retrieve user details and saved bets, groups, teams, and matches.

  • Utilized technologies including React.js, PHP, MySQL, and Slim Framework.

Front-end Developer - Credius
Front-end Developer - Credius
  • Credius provides financial products and credits.

  • The application is optimized for mobile-friendliness and retina-ready.

  • Credius utilizes tools to improve page load speeds and cross-browser/cross-platform performance.

Senior Front-end Engineer - Teamnet Dedalus
Senior Front-end Engineer - Teamnet Dedalus
  • Teamnet Dedalus provides information systems for both public and private healthcare sectors.

  • The team's front-end is developed using HTML/CSS, Bootstrap, JavaScript, and jQuery.

  • The project involves building the website's front-end functionality.

Front-end Developer - Alive
Front-end Developer - Alive
  • Utilized HTML5, CSS/CSS3, SASS, JS, jQuery, Git, and Asana for page load optimization.

  • Focused on mobile-friendly and retina-ready web application design.

  • Implemented optimizations for cross-browser and cross-platform performance.

Front-end Developer - Peron
Front-end Developer - Peron
  • Peron collaborates with skilled personnel on project tasks.

  • Peron focused on optimizing page load speed, mobile-friendliness, and retina-ready applications.

  • Peron's work includes cross-browser and cross-platform application optimization.

Front-end Developer - Knauf Group
Front-end Developer - Knauf Group
  • Optimized application page load speed.

  • Made the application mobile-friendly and retina-ready.

  • Improved cross-browser and cross-platform performance.

Front-end Developer - Booodl
Front-end Developer - Booodl
  • Developing a physical store discovery service.

  • Simplifying the shopping experience for shoppers.

  • Focusing on ease of finding desired products and locations.

Front-end Developer - True Local
Front-end Developer - True Local
  • Developed by an Australian business directory.

  • Featured local business recommendations.

  • Projected for a front-end developer role.

Senior Front-end Developer - Encompass Onsite Solutions
Senior Front-end Developer - Encompass Onsite Solutions
  • Encompass is a US-based facilities management provider.

  • They managed the entire development process and initial design stage.

  • The company created customized and responsive modules with performance improvements.

Piggy & Klarna
Piggy & Klarna
  • Worked on two platforms: Joinpiggy.com and Klarna.com.

  • These platforms provide products and services to consumers and retailers.

  • The projects involve payments, social shopping, and personal finances.

Education

Bachelor of Computer and Information Sciences and Support Services
Bachelor of Computer and Information Sciences and Support Services
Spiru Haret University Bucharest
2002 - 2006 (4 years)
Mechanical Engineering
Mechanical Engineering
Bucharest Polytechnic
1998 - 2002 (4 years)