Summary
Nikolay S is an experienced engineering leader and hands-on Team Lead based in Belgrade with 14 years in web development and over 11 years building complex applications for both startups and large enterprises. He specializes in backend systems and platform engineering across Node.js, Golang, PHP (Symfony/Drupal), Docker, MySQL/MariaDB, MongoDB, search engines (Elasticsearch, Solr) and cloud functions (AWS Lambda), while also delivering front-end work with Angular and Vue. His track record includes long-term freelance engagements (10,400+ Upwork hours, 5.0 rating) and senior roles at Altium®, Smile Open Source, and Adyax, showing an ability to lead teams and ship cost-effective, high-performance products. Comfortable from estimation and architecture to deployment, he often applies emerging technologies to solve real business problems and optimize operational costs. Known for taking on technically challenging migrations and distributed system work (e.g., rebuilding a streaming service from Drupal to Node.js), he combines pragmatic delivery with continuous learning.
14 years of coding experience