Andrej Kaurin, Developer in Banja Luka, Bosnia and Herzegovina
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Andrej Kaurin

Verified Expert  in Engineering

Software Developer

Location
Banja Luka, Bosnia and Herzegovina
Toptal Member Since
June 10, 2015

Andrej is an organized, highly motivated, and detail-oriented problem solver. He has thirteen years of professional experience in web app development using various technologies, covering both the back and front ends. Creating a great user experience through new, innovative ways of user interaction is and will always be his greatest passion.

Portfolio

JSGuru
Angular, NestJS, React, Flutter, PostgreSQL, CSS3, Material UI, HTML5...
CloudAge
PostgreSQL, Node.js, React, Storybook, CSS, HTML, CSS3, Pixel Perfect...
Mobile Guardian
Less, JavaScript, Redux, CSS3, Pixel Perfect, User Interface (UI), Angular...

Experience

Availability

Part-time

Preferred Environment

Git, WebStorm, OS X, Jest, Pixel Perfect

The most amazing...

...application I've built is a web-based learning platform used by thousands of people.

Work Experience

CTO

2018 - 2022
JSGuru
  • Scaled the company team from five to 70+ people of experienced engineers.
  • Created a framework of reusable components for common industry challenges in order to create rapid development.
  • Created and supported engineering teams to support three startups to scale from 0 to more than 10 million in value.
Technologies: Angular, NestJS, React, Flutter, PostgreSQL, CSS3, Material UI, HTML5, Responsiveness, Tailwind CSS, Next.js, UI Design, Azure Active Directory, B2B, Single-page Applications (SPA), Figma, Front-end, REST, Full-stack, Architecture, Craft CMS, User Experience (UX), Web Design, Design, Salesforce, React Redux, Front-end Development, UX Design, Search Engine Optimization (SEO), MySQL, WebSockets, Component Libraries, RxJS

Software Engineer

2015 - 2019
CloudAge
  • Engineered an invoice-loading process using AWS Lambda, S3, and SQS to support thousands of invoice loads daily.
  • Created back-end architecture using Node.js, PostgreSQL, and AWS services to support complex telecom accounting processes.
  • Established a CI/CD process to deliver daily deployments.
  • Architected and developed a custom UI framework to develop new components and pages rapidly.
Technologies: PostgreSQL, Node.js, React, Storybook, CSS, HTML, CSS3, Pixel Perfect, User Interface (UI), Angular, AngularUI, HTML5, Mobile First, Responsiveness, Tailwind CSS, UI Design, Azure Active Directory, B2B, Single-page Applications (SPA), Figma, Front-end, REST, Full-stack, Architecture, User Experience (UX), Web Design, Design, Web UI, React Redux, Front-end Development, UX Design, Search Engine Optimization (SEO), MySQL, WebSockets, Component Libraries, RxJS

Front-end Engineer

2015 - 2016
Mobile Guardian
  • Created a responsive dashboard application.
  • Developed the core front-end framework.
  • Generated an automated build and publish system.
Technologies: Less, JavaScript, Redux, CSS3, Pixel Perfect, User Interface (UI), Angular, HTML5, Responsiveness, Azure Active Directory, B2B, Single-page Applications (SPA), Figma, Front-end, Architecture, User Experience (UX), Web Design, Design, Web UI, React Redux, Front-end Development, UX Design, Search Engine Optimization (SEO), MySQL, WebSockets, Component Libraries, RxJS

Full-stack Web Developer

2013 - 2015
FOUNDER.org
  • Created a social platform supporting the learning and development process of entrepreneurs.
Technologies: SCSS, Node.js, JavaScript, Responsive, CSS3, Pixel Perfect, User Interface (UI), Angular, HTML5, Responsiveness, Azure Active Directory, Bootstrap, B2B, Single-page Applications (SPA), Figma, REST, Full-stack, Architecture, Web Design, Design, Web UI, React Redux, Front-end Development, MySQL, WebSockets, Component Libraries, RxJS

Front-end Developer

2010 - 2013
Procyon Media
  • Developed a web-based level learning management platform.
  • Created an eCommerce system selling digital goods.
  • Created a web-based back-office for outdoor media planning and warehousing.
Technologies: Knockout (Knockout.js), JavaScript, APIs, CSS3, Pixel Perfect, User Interface (UI), Responsiveness, Azure Active Directory, ASP.NET, Bootstrap, B2B, Single-page Applications (SPA), Figma, Front-end, Web Design, Design, MySQL, WebSockets, Component Libraries

Web Developer

2007 - 2010
Rainfall
  • Created a web-based application for transportation logistics.
  • Developed a web-based content management system.
Technologies: JavaScript, CSS3, Pixel Perfect, User Interface (UI), Responsiveness, ASP.NET, Bootstrap, Single-page Applications (SPA), PHP, Design, .NET

.NET Web Developer

2006 - 2007
Telerik
  • Developed a web content management system.
Technologies: Object-relational Mapping (ORM), JavaScript, CSS3, Pixel Perfect, User Interface (UI), ASP.NET, Bootstrap, Single-page Applications (SPA), Design, .NET

Full Stack Engineer

2002 - 2006
Orange Solutions
  • Created a web-based transportation logistics and warehousing system.
  • Created a universality system for student and curriculum management.
Technologies: JavaScript, CSS3, User Interface (UI), ASP.NET, .NET

CloudAge | Telecom Management Software

Cloud Age provides telecom service providers, TEMs, enterprises, and MSPs with cost-effective SaaS solutions to automate telecom data-intensive processes enabling business intelligence for lifecycle cost management—freeing up resources to focus on higher value activities.

Mobile Guardian - School Dashboard

https://www.mobileguardian.com/
Mobile Guardian exists to offer mobile devices MDM & protection, empowering parents and schools in managing smartphones and tablets efficiently, simply, and cost effectively.

FOUNDER.org - Social Collaboration Platform

An organization investing in student entrepreneurs solving big problems and helping these courageous innovators to build great companies. My contribution included creating a business model, web API, and front-end framework, and leading the entire front-end team.

SelfNet – eCommerce Platform for Insurance

SelfNet was a project creating a web portal for RSA insurance in the United Kingdom. The software was developed under contract with Bluewrasse, a UK software company. My contribution included development of the web portal instance, creation of the back-end and front-end architecture, and leading the web team.

Qusion - Content Management Framework

Qusion is an advanced content management framework developed for satisfied developers and end-user needs for a web site or portal manipulation and management. My contribution included creation of the core idea, development of the business model, and management of the development team.

LearningCubes - Learning Management System

An advanced enterprise-level learning management system.

Telerik SitFinity – Content Management System

Sitefinity is a development platform for construction and management of websites, community portals, and intranets. Inspired by Web 2.0 UIs, the product delivers a top experience for end users, while the flexible architecture empowers developers to be in full control. My contribution included creation of specifications for various controls, evaluation of ORM tools, and software development.

Transmission - OHR Transport System

I programmed a business layer and user interface using C#/ASP.NET technology, XML, XSL, JavaScript, DHTML-a and CSS-a. The security system development and implementation is based on horizontal and vertical access to application modules and stability control as well. It features GUI standard definition and module cooperation definition.
2015 - 2016

Certified NLP Practitioner in NLP Practitioner

International Association for Neuro-Linguistic Programming - Belgrade, Serbia

1995 - 1999

Technical High School Degree in Computer Science

Nikola Tesla High School - Banja Luka, Bosnia and Herzegovina

NOVEMBER 2019 - PRESENT

Rutgers Mini MBA

Rutgers University

Libraries/APIs

jQuery, React, React Redux, Node.js, Google API, jQuery UI, RxJS, AngularUI, Amazon EC2 API

Tools

Jira, GitHub, Git, Figma, WebStorm, Amazon Simple Queue Service (SQS)

Frameworks

Angular, NestJS, Bootstrap, Knockout (Knockout.js), Kendo UI, Redux, Jest, Tailwind CSS, Next.js, ASP.NET, .NET, Flutter, Material UI, Express.js

Paradigms

UI Design, REST, Scrum, Kanban, Responsive, B2B, UX Design, Object-relational Mapping (ORM), Search Engine Optimization (SEO)

Languages

JavaScript, CSS, HTML, CSS3, HTML5, ECMAScript (ES6), SQL, Sass, Less, TypeScript, SCSS, PHP

Storage

Azure Active Directory, MySQL, PostgreSQL, MongoDB, Amazon DynamoDB

Industry Expertise

Web Design

Platforms

Craft CMS, OS X, MacOS, Windows, Amazon Web Services (AWS), AWS Lambda, Salesforce

Other

APIs, Pixel Perfect, User Interface (UI), Mobile First, Responsiveness, Single-page Applications (SPA), Front-end, Full-stack, Architecture, User Experience (UX), Design, Front-end Development, WebSockets, Component Libraries, Storybook, Web UI

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