Antonija S.

Antonija S.

React.js Developer

Zagreb, Croatia
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About Me

Antonija is a Senior Developer with UI and frontend experience in building out reliable and scalable solutions on projects using modern libraries and technologies - delivering high-quality solutions to complex business problems. She develops custom reusable components, translates designs and wireframes into resilient code, and optimizes frontend architecture for maximum performance across different platforms.

Work history

UpStack
UpStack
React.js Developer
2022 - Present (2 years)
Remote
  • Creating and developing innovative frontend software solutions on projects for clients across a broad range of industries.

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

  • Ensure that features are being delivered efficiently and on-time.

Human
Human
React.js Developer
2021 - 2022 (1 year)
Zagreb, Croatia
  • Contributed to the development of pixel-perfect layouts on solutions for Human.

  • Designed and developed the latest user-facing features on solutions using React.js, Stencil and Storybook.

  • Translated custom Figma designs into high-quality frontend solutions on the project.

Kodiraonica
Kodiraonica
Technical Lead
2021 - Present (3 years)
Zagreb, Croatia
  • Manage and supervise end-to-end JavaScript and React.js initiatives for the coding school.

  • Own and improve the technical maturity (reliability, scalability, resilience, and quality) of systems for Kodiraonica.

  • Design and build the tooling required to ease the development & maintenance of internal games and apps.

Oslo Philanthropic Exchange
Oslo Philanthropic Exchange
Fullstack Developer
2021 - 2021
Remote
  • Designed and developed a new CSS architecture to enhance the experience on the OPX exchange.

  • Created and added new UIs and features to the platform.

  • Wrote and deployed unit tests for solutions on the project.

Formunauts
Formunauts
Angular Developer
2020 - 2020
Vienna, Austria
  • Designed and integrated a new solution to communicate between the app and the RaiseNow API.

  • Provided solutions for the API architecture and implemented the services, axios calls and observables.

  • Integrated the API with the mPOS to process payments with credit cards.

Async Labs
Async Labs
React.js Developer
2019 - 2020 (1 year)
Zagreb, Croatia
  • Worked on implementing a domain-driven design architecture on the Revuto crypto platform.

  • Designed and implemented new data visualization graphs on the PIMSF workflow management system.

  • Utilized the React-grid-layout package to deliver clean and fluid layouts on the solution for PIMSF.

Punk Rock Dev
Punk Rock Dev
Frontend Developer
2017 - 2019 (2 years)
Remote
  • Designed new responsive layouts and implemented UIs for user authentication and authorization on the app.

  • Developed and implemented solutions to integrate the UI to the backend API using Axios.

  • Produced reusable and scalable components for future updates on the solution.

 Code Institute
Code Institute
Frontend Developer
2016 - 2018 (2 years)
Remote
  • Designed and implemented fresh, modern components onto an existing LMS platform for Code Institute.

  • Optimized the legacy codebase with clean, scalable code and improved SCSS logic to maximize performance on the LMS.

  • Liaised with the designer to deliver contemporary design on the platform - translating designs into intuitive interfaces.

Freelance
Freelance
Frontend Developer
2015 - 2018 (3 years)
Remote
  • Designed and built static, pixel-perfect and mobile-friendly websites for clients.

  • Optimized codebase on solutions and implemented cross-browser and cross-device compatibility on solutions.

  • Developed and deployed solutions to customize animations and 3rd-party libraries on the project.

Portfolio

Frontend Developer - Span
Frontend Developer - Span

Designed and implemented new frontend solutions on the website for Span, a European-based IT Consultancy and services firm - developing high-quality and intuitive frontend components such as forms, navigation, footer and slide using Storybook.

Fullstack Developer - Oslo Philanthropic Exchange
Fullstack Developer - Oslo Philanthropic Exchange

Oslo Philanthropic Exchange is a non-profit foundation using global capital market best practices to raise philanthropic funding for different projects. Designed and developed scalable and maintainable CSS architecture to enhance designs within an Angular environment.

React.js Developer - Revuto
React.js Developer - Revuto

Revuto is a fintech app that offers users recurring payment blocking services. It comes with a prepaid debit card, subscription payment management, peer-to-peer payments, cryptocurrency buying, sending and exchange. Designed and developed solutions for the project using React.js, Axios and other tools - implementing a new authentication and authorization system and UI using CSS.

Education

Master's Degree in Comparative Literature
Master's Degree in Comparative Literature
University of Zagreb/Sveuciliste u Zagrebu
2014 - 2016 (2 years)
Master's Degree in Croatian Language and Literature
Master's Degree in Croatian Language and Literature
University of Zagreb/Sveuciliste u Zagrebu
2009 - 2014 (5 years)