Junior JavaScript Developer

Are you passionate about JavaScript development, integrations, and solving complex technical challenges in customer-facing environments? We are looking for a Junior JavaScript Developer to join a dynamic AdTech project focused on behavioral analytics and marketing automation. At Sigma Software, you will work on scalable integrations connecting websites, marketing platforms, and real-time customer engagement systems. This role combines Front-end development, API integrations, troubleshooting, and collaboration with international teams. We as a company offer a supportive engineering culture, opportunities for professional growth, and the chance to work with modern AdTech and marketing automation technologies while contributing directly to customer success.

Responsibilities

Front-end development; API integrations; Troubleshooting; Collaboration with international teams; Integration development; Technical troubleshooting; Migration activities; Implementation of custom JavaScript solutions for marketing campaigns and data synchronization workflows

Requirements

JavaScript / strong; REST API Integrations / strong; HTML/CSS / strong; jQuery / good; Apache Airflow / basic

Benefits

Supportive engineering culture; Opportunities for professional growth; Diversity of Domains & Businesses; Variety of technology; Health & Legal support; Active professional community; Continuous education and growing; Flexible schedule; Remote work; Outstanding offices (if you choose it); Sports and community activities