Alan Kralj
Verified Expert in Engineering
Software Developer
Zagreb, Croatia
Toptal member since June 7, 2016
Alan is a full-stack web developer and an experienced programmer with a diverse skillset built over 15 years of professional work. Along with having architected and developed numerous web applications and award-winning websites, he loves both the challenge of solving complex problems and satisfaction of building well-crafted and maintainable software.
Portfolio
Experience
Availability
Preferred Environment
Shell, Git, Visual Studio Code (VS Code), Linux
The most amazing...
...work I've done recently was programming the procedural 3D graphics for a computer game, representing complex terrain created from simple, randomly seeded rules.
Work Experience
Programmer | Co-founder
Bad Cog
- Developed a PC strategy game for a small indie game dev studio, currently building toward an EA launch.
- Programmed procedural 3D graphics and effects (most of the game graphics are procedural). Worked on rendering pipeline, post-processing, and general graphics development.
- Developed general systems like input or camera handling and worked on various parts of game logic.
- Built the entire game UI with the Unity UI Toolkit, which uses a familiar web stack.
Senior Front-end Developer
Performitiv (via Toptal)
- Worked on upgrading the technology stack and UI/UX for the company's SaaS application. Efforts stretched over several longer development cycles, during which most of the application was migrated from AngularJS to the modern Vue stack.
- Built a modern app UI using HTML5, CSS3, Sass, and several UI toolkits.
- Developed complex custom components for both AngularJS and Vue parts of the application.
- Built several custom charting components, some based on Google Charts and Chart.js, others using SVG directly.
- Architected and developed the front end for another companion Vue application.
Freelance Developer | Owner
Bad Cog
- Worked as an architect and front-end engineer developing a platform for building GIS-oriented web applications.
- Developed a web application for managing player assets, deck building, and card trading in an upcoming digital card game.
- Acted as a core developer on a collaborative web whiteboard application.
- Worked as a front-end engineer on a web application for data-driven measurement and improving business performance using AngularJS and Node.js.
- Developed the front ends for two award-winning web presentations with advanced effects and interactions.
- Consulted on integrating 3rd-party interactive systems into a client's application.
Front-end Developer
Fiktiv
- Developed front-end interfaces and interactions on several media-rich websites.
- Built an HTML5 and JavaScript web metronome app as a replacement for an old Flash version. The new app used native web technologies and modern APIs like WebAudio, and it had a scalable SVG interface.
- Constructed prototypes of in-house projects, such as a visual mind-mapping tool.
Senior Web Developer
Good Code
- Built a CRM and billing system as an MVC web interface on top of a REST API.
- Developed a rich interface for a web application that analyzes and visualizes the performances of athletes over time through video recordings embedded with statistical metadata.
- Created several data visualization components built on top of D3.js.
- Created several Angular prototype applications for in-house projects.
Lead Developer | Co-founder
north2 | creative digital studio
- Prepared the technology stack, best practices, and production process for a small development team.
- Built several award-winning visual web presentations for various companies or projects. The hallmark of each was a highly creative design and advanced effects and interactions.
- Developed an editorial web application for a small publishing company—covering the entire publishing process with automated creation and dispatching of electronic publications to subscribers.
- Maintained an in-house framework for rapid development of web applications; most of the framework was open-sourced.
Senior Web Developer
IN2
- Built and maintained a framework for rapid development of web applications; used on several company projects.
- Developed several complex business web applications for government and public services, and managed parts of the development process.
- Built a GIS visual mapping application on top of OpenLayers.
- Gave in-house lectures and talks on various development topics and internal frameworks to a development team of 15.
Web Developer
Adriatica.net
- Engineered a booking and payment system for a medium-sized online travel agency.
- Developed several applications for various product web catalogs.
- Built a content management system used for both public and in-house websites and services; using mainly XML data and XSLT to create APIs and interfaces.
Experience
Performitiv Analytics App
http://www.performitiv.comI'm the lead front-end developer on the project, building custom components and visualizations for new product features. Besides that, I've worked on upgrading the technology stack and UI/UX, migrating the application from AngularJS to a modern Vue stack.
Web Metronome | App
https://www.metronomeonline.com/Deckbound Heroes | Game and Collection Manager App
My work on the project involved rewriting the old back-end app, setting up best practices and tools, and building the new UI and various API endpoints. I most enjoyed working on the interactive deck builder, which is also used inside the game client app.
A Web Whiteboard | App
I contributed to the project as a core developer for over 1.5 years.
Skills
Libraries/APIs
Lodash, Vue.js, jQuery, Vue 2, HTML5, UI Development, JavaScript, Velocity, Google Chart API, JavaScript, OpenLayers, RxJS, Node.js, D3.js, FMOD
Tools
Git, Gulp, NPM, Canvas, GitHub, GIS, Shell, Babel, Webpack, Composer, Bower, Grunt, Make, MongoDB
Languages
C#, Sass, PHP, HTML, CSS, JavaScript, CSS3, HTML5, TypeScript, ECMAScript (ES6), Java, Groovy, XML/XSLT, SQL, Python
Frameworks
Unity, Unity, Angular, Twitter Bootstrap, CakePHP, AngularJS, Bootstrap, Spring, Laravel, Django, Vuetify, Nuxt.js, Tailwind CSS
Paradigms
Responsive Web Design, Model View Controller (MVC), REST, Object-oriented Programming (OOP), Agile Development, Functional Programming, Agile Development
Storage
JSON, PostgreSQL, MySQL, Database, MongoDB, Database Modeling, RDBMS, Amazon S3
Platforms
Linux, Android, Windows Development, Linux, Visual Studio Development, AWS
Other
Front-end, Web Application, APIs, UI Development, SVG Design, CSS, Web Animation, Algorithms, Procedural Generation, 3D Graphics, Game Development, Computer Graphics, i18n, Charts, Graphic Design, UX Development, Mobile First, Multiplayer, UI Toolkits
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