Junior JavaScript Developer
Sigma Software11 hours ago
Remote, UkraineEntry Level
Responsibilities
- Configure and maintain website integrations for 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.
- Develop integrations with third-party marketing and email platforms.
- Investigate production issues and perform root-cause analysis.
- Analyze customer requests and assess the technical feasibility of proposed solutions.
- Collaborate with account managers, QA engineers, and implementation specialists in consultations and onboarding meetings.
Requirements
- At least 2 years of commercial experience with Vanilla JavaScript and ECMAScript 5+.
- Strong knowledge of HTML and CSS.
- Hands-on experience with API integrations, jQuery, Chrome DevTools, and browser debugging.
- Understanding of behavioral event-tracking implementation and Email Service Provider integration workflows.
- Ability to develop custom JavaScript logic for onsite experiences.
- Strong analytical, problem-solving, communication, attention-to-detail, and code-quality skills.
- Experience working in cross-functional teams and communicating with technical and non-technical stakeholders.
- Intermediate or higher English proficiency.
- Experience with PHP, Apache Airflow, Postman, Git workflows, AdTech or marketing technology platforms, or customer-facing onboarding and integration projects is a plus.
Benefits
- Supportive engineering culture and opportunities for professional growth.
- Opportunity to contribute to AdTech, behavioral analytics, and marketing automation products serving international customers.
Tech Stack
Categories
FrontendSolutions Engineering
About Sigma Software
Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.