Mladen Lotar
Verified Expert in Engineering
Full-stack Development Developer
Osijek, Croatia
Toptal member since October 18, 2016
Mladen possesses over 15 years of professional experience in web development, during which he has contributed to open source projects, delivered custom client solutions, and led a small software company. He has consistently demonstrated enthusiasm for embracing and mastering new technologies.
Portfolio
Experience
- PHP - 15 years
- Full-stack Development - 13 years
- MongoDB - 12 years
- Agile - 12 years
- React - 11 years
- Magento - 6 years
- Next.js - 5 years
- JavaScript - 4 years
Availability
Preferred Environment
Git, PhpStorm, Linux
The most amazing...
...thing I've developed is a platform for building social networks that had over one million users at the time.
Work Experience
CEO
Trive d.o.o.
- Led the development of a headless PWA solution for Emmezeta.hr, one of Croatia's premier retail brands—a key highlight of my experience, which occurred in 2021. The project involved integrating Magento to support eCommerce functionalities.
- Oversaw key business operations, from client communications to development team management, while serving as the software architect for custom solutions, ensuring tailored and effective project outcomes.
- Cultivated an exceptional partnership spanning over three years, demonstrating our commitment to long-term collaboration and reliability.
CEO
The Shop d.o.o.
- Initiated the development of an advanced WYSIWYG eCommerce site builder designed to seamlessly integrate as a high-performance storefront for any eCommerce platform with an accessible public API, enhancing user experience and operational efficiency.
- Contributed to over 10 custom projects, utilizing a diverse tech stack that includes React, Node.js, PHP, and MongoDB, demonstrating versatility and expertise across various development environments.
- Oversaw a dedicated team of six professionals, guiding project execution and fostering a collaborative and productive work environment.
Senior Web Developer
The Backplane, Inc.
- Developed components of a custom RESTful API for Place.xyz, designed to handle over 50,000 requests per minute, where performance optimization was paramount. The API was primarily written in PHP, with MongoDB as the main storage.
- Built sophisticated front-end components for the platform using React, focusing on creating responsive and user-centric interfaces.
- Contributed to the transition of the API from a custom PHP solution to Zend Framework 2, enhancing its scalability and maintainability.
Senior Magento and Zend Framework Developer
Inchoo d.o.o.
- Contributed extensively to a Magento platform, where I was involved with 10+ high-profile eCommerce stores. The work I did was mainly back-end and server optimization, but I also worked on some front-end implementations (group buying, etc.).
- Created an internal tool managing database updates for a bank.
- Worked on a lot of integrations with various SaaS solutions.
Experience
Headless eCommerce Website
https://emmezeta.hr/Sancta Domenica eCommerce
https://www.sancta-domenica.hr/Creative Content Leadership for Samsung Adria Region
Over the course of a year, our team covered eight countries, delivering consistent and high-quality creative outputs that significantly enhanced Samsung's brand presence and customer engagement across the region on both social media and in advertisement.
Skills
Libraries/APIs
Node.js, Stripe, Stripe API, React, Twilio API, X (formerly Twitter) API, Google API, Facebook API, DigitalOcean API
Tools
Git, PhpStorm, GitHub, GitLab, Docker Compose, GitLab CI/CD, RabbitMQ, Webpack, Adobe Photoshop, Varnish, Apache, NGINX
Languages
CSS, HTML, PHP, JavaScript, TypeScript, GraphQL
Frameworks
Express.js, Bootstrap, Next.js, Angular
Paradigms
Microservices, Automated Testing, Testing, REST, Agile, DevOps
Platforms
Magento, Docker, Amazon Web Services (AWS), Amazon EC2, AWS Lambda, Twilio, Firebase, WordPress, Linux, Magento 2, DigitalOcean
Storage
Memcached, MySQL, MongoDB, NoSQL, Redis, Amazon S3 (AWS S3), Doctrine MongoDB ODM, PostgreSQL, Elasticsearch
Other
APIs, Full-stack, Architecture, Software Architecture, CI/CD Pipelines, Headless CMS, WebSockets, Front-end, Web Development, API Integration, Full-stack Development, Back-end, Google Calendar, eCommerce, Cloud
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