javascript developer

Sigma Software Group is a global software development and IT services company providing engineering solutions for international businesses. The partner company specializes in behavioral analytics and marketing automation within the AdTech industry, helping brands transform website visitor behavior into actionable insights and personalized marketing campaigns.

• Configure and maintain website integrations, including event tracking, SPA fixes, cart tracking, and catalog integrations;
• Implement and support Email Service Provider integrations and synchronization workflows;
• Execute migration and replatforming activities with comprehensive validation and testing;
• Develop custom onsite JavaScript solutions for campaigns and interactive user flows;
• Build and support Airflow DAGs for recurring data processing workflows;
• Configure dynamic email content and SKU-level recommendation tracking;
• Analyze Customer requests and assess technical feasibility of solutions;
• Develop integrations with third-party marketing and email platforms;
• Investigate and resolve production issues and perform root cause analysis;
• Collaborate with account managers, QA engineers, and implementation specialists;
• Participate in technical consultations and onboarding alignment meetings.

• 2+ Years of commercial experience with Vanilla JavaScript (ECMAScript 5+);
• Strong knowledge of HTML and CSS;
• Hands-on experience with REST API integrations;
• Practical experience with jQuery;
• Experience with Chrome DevTools and browser debugging;
• Understanding of behavioral event tracking implementation;
• Knowledge of Email Service Provider integration workflows;
• Ability to develop custom JavaScript logic for onsite experiences;
• Strong analytical and problem-solving skills;
• Good communication skills with technical and non-technical stakeholders;
• Attention to detail and commitment to code quality;
• Experience working in cross-functional teams;
• Intermediate or higher English proficiency;
• Readiness to learn new tools and domain-specific technologies;
• Proactive and solution-oriented mindset with strong ownership, accountability, and the ability to work independently and collaboratively in a fast-paced environment;
• Nice to have: Experience with PHP, Familiarity with Apache Airflow, Experience using Postman, Understanding of Git workflows, Experience with AdTech or marketing technology platforms, Exposure to Customer-facing onboarding or integration projects.

• No conditions specified