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Sasa Macakanja

Sasa Macakanja

Zagreb, Croatia
Member since April 21, 2014
Sasa is a full-stack web developer with over eight years of professional experience developing complex web applications. He specializes in server and client-side programming with Angular or React on the front-end and Node.js on the back-end. He is an avid believer in Agile web development and Kanban workflow.
Sasa is now available for hire
Portfolio
Experience
  • JavaScript, 9 years
  • Agile Software Development, 8 years
  • PHP, 7 years
  • Angular, 6 years
  • TypeScript, 4 years
  • Node.js, 4 years
  • PostgreSQL, 3 years
  • React, 3 years
Zagreb, Croatia
Availability
Part-time
Preferred Environment
OS X, WebStorm, Vim, Git, Linux
The most amazing...
...application I've built is a complex web application for online scheduling and healthcare consultations with real-time video and audio communication.
Employment
  • Sr. Software Engineer
    2017 - 2018
    Blacc Spot Media, Inc.
    • Contributed to the development of multiple complex web application projects with full-stack JavaScript.
    • Implemented advanced real-time communications features based on WebRTC to enable human communication via voice and video in a web browser.
    • Created several RESTful JSON APIs in Node.js frameworks with complete end-to-end testing.
    • Wrote front-end single page applications in TypeScript with best practices for code organization (components, pages/containers, services, models, redux for state management).
    • Created pixel-perfect HTML/CSS templates according to the project design.
    • Complete configuration of AWS infrastructure for several projects, including Amazon Elastic Container Service for easy to deploy, manage, and scale Docker containers running applications.
    • Implemented continuous deployment and delivery based on Travis and AWS infrastracture with custom bash scripts.
    • Set up a separate job queue service backed by Redis, built for Node.js.
    Technologies: JavaScript, Node.js, Angular, React, AWS, Bash
  • Full-stack Web Developer
    2013 - 2018
    Subos
    • Set up the required architecture for a project called "Subos App" and built the system.
    • Implemented required functionalities including a Laravel RESTful API back-end and AngularJS front-end.
    • Set up the build and deploy procedures for deploying to the hosting service.
    • Built a very complex registration form for new members, including a complete admin CRUD interface with authentication, roles, groups, members' pages, PDF generation (ZendPDF), and automated email sending via Mandrill.
    • Made optimizations primarily targeting mobile platforms.
    • Migrated MySQL database to Postgres.
    Technologies: PHP, Postgres, Laravel, AngularJS
  • Web Developer
    2014 - 2016
    Persice
    • Created two separate single-page web applications for desktop and mobile browsers using Angular.
    • Wrote both the front-end applications in TypeScript and shared the same common codebase (services, models, redux stores) between them.
    • Implemented an advanced build system based on Weback 2 with features for improved performance and speed in a production environment (Async loading of modules, Treeshaking, and AOT (ahead of time/offline) compilation).
    • Implemented continuous deployment and delivery based on Jenkins.
    • Created unit tests and end-to-end tests for the entire Angular codebase.
    • Built a chat and real-time notification service based on Web Sockets (Socket.IO, Node.js, and Redis Pub/Sub).
    • Implemented JWT (JSON web token) authentication for RESTful API and Socket.IO web socket server build on Node.js Express framework.
    • Implemented social networking login based on Facebook OAUTH2 API allowing users to log in and connect to other users on the platform.
    • Set up and maintained a separate production environment for serving front-end files: Nginx, Node.js, and Amazon S3 storage for static files and images.
    • Implemented a front-end feature for connecting additional Twitter and LinkedIn social networking accounts.
    Technologies: Angular2, Webpack, TypeScript, Node.js, Socket.IO, Redis
  • Full-stack Web Developer
    2014 - 2014
    Bail Binder
    • Implemented required functionalities including a Laravel RESTFul API back-end and AngularJS front-end.
    • Implemented a single-page app built with AngularJS for the front-end.
    • Created a custom-made SaaS web admin.
    • Set up the build and maintenance procedures for deploying to the Cloud hosting service.
    • Integrated the SaaS with external API services Mandrill and Mailchimp for email campaigns and Stripe for billing.
    • Built and customized the landing page for the SaaS with WordPress CMS.
    Technologies: Laravel, Angular
  • Web Developer
    2014 - 2014
    NDA
    • Joined the existing web development team working to improve and finish a project management web application.
    • Implemented performance improvements to the initial AngularJS concepts and components for their app.
    • Worked in a consulting and R&D role for choosing web technologies.
    • Implemented stress-testing on the real-time application.
    • Handled server administration for cloud hosting services.
    Technologies: Laravel, AngularJS, MySQL, Trello, Cloud Hosting
  • Full-stack Web Developer
    2008 - 2012
    Edunet
    • Implemented a WordPress CMS platform.
    • Built a complex registration form.
    • Implemented front-end and back-end customizations.
    • Implemented Moodle as a learning management system for the Cisco Networking Academy.
    • Implemented the front-end using HTML5 and Less and incorporating responsive web design techniques.
    Technologies: WordPress, jQuery, MySQL, PHP, Moodle
  • Web Developer
    2008 - 2009
    Croatian Academic and Research Network
    • Joined the web development team for helping with the official public launch of www.carnet.hr.
    • Improved the existing codebase, fixed various front-end and back-end bugs, and worked on polishing the UI for the launch.
    • Worked on the front-end implementation using HTML5, CSS3, and jQuery. Incorporated responsive web design techniques.
    • Implemented required back-end functionalities in a custom PHP framework.
    • Developed and set up a custom CMS for page and user access administration.
    Technologies: PHP, MySQL, JavaScript, HTML, CSS
Experience
  • Corporate Web for Croatian Academic and Research Network - CARNet (Development)

    As part of a big web development team, I've built brand new corporate web pages for the Croatian Academic and Research Network. I worked as a front-end and back-end developer.

  • Project Management Single-page Application (Development)

    A single-page app for project management with custom JavaScript interactions associated with viewing data in the project tables and live syncing the table data between users. The web app dynamically syncs data back and forth between the back-end and the view in a similar way to Google Drive spreadsheets. It features an AngularJS front-end.

  • Members Management Web Application (Development)

    An AngularJS and Laravel web application for the student organization "Subos." The project was very challenging and interesting for me because it included building a very complex registration form for new members, a complete admin CRUD interface with authentication, roles, groups, a trainers pages optimized for mobile access, members pages, PDF generation (ZendPDF), and automated sending of emails via Mandrill. The site uses Laravel4 in the back-end and AngularJS for the front-end. I developed the whole site completely on my own from the ground up to production state, and supported it through the whole development lifecycle.

  • BailBinder (Development)
    http://www.bailbinder.com

    A software-as-a-service application for the bail bond industry.

  • Persice (Development)
    https://persice.online/

    A social networking application which connects you to people and events that match your interests.

  • Healthcare Platform for Real-time Audio/Video Consultations and Appointment Scheduling (Development)
    https://www.tele-id.com

    A complete healthcare platform management and registration of users and hospitals/facilities.

    Features:
    - Live consultations between patients and doctors, with file sharing, chat, and video/audio real-time communications in the browser via WebRTC
    - Automated events and notifications handling
    - Automated and manual generation of PDF reports after consultation ends based on doctor report
    - Integration with Stripe and Twilio

Skills
  • Languages
    Sass, HTML5, TypeScript, JavaScript, Less, PHP, Bash
  • Frameworks
    Hapi.js, Express.js, Angular, Redux, Laravel
  • Libraries/APIs
    REST API, Stripe API, Node.js, React, PayPal API, Facebook API
  • Paradigms
    Responsive Web Design (RWD), Test-driven Development (TDD), Agile Software Development
  • Storage
    Redis, AWS S3, PostgreSQL, MySQL, Memcached, MongoDB
  • Other
    Background Jobs, APIs, Stripe Subscriptions, User Interface (UI)
  • Tools
    Adobe Photoshop, WebStorm, Sublime Text 3, Webpack, Bower, Webpack 4, Gulp.js, AWS CLI, AWS ECR, AWS ECS, Grunt
  • Platforms
    Mac OS, Linux
Education
  • Bachelor's (in progress) degree in Telecommunications and Informatics
    2003 - 2008
    Faculty of Electrical Engineering and Computing - Zagreb, Croatia
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