Internship Shopify App Developer Jobs in New Jersey

Work Location: Remote - U.S. Based
Duration: Contract (6 Months, potential to extend)
Travel: None (0%)
Status: Exempt
How you will make a difference
We are seeking a versatile developer with proven experience in retail or e-commerce environments. This hybrid role merges deep technical expertise in marketing automation (Braze), front-end web development (ExtJS), and end-to-end marketing campaign management to design, build, and optimize personalized omnichannel customer engagement.

• Campaign Strategy & Management: Oversee the end-to-end lifecycle of marketing campaigns, from strategic ideation and customer segmentation to execution, monitoring, and optimization across digital channels.
• Braze Automation & Execution: Design, develop, and deploy campaigns (email, push, in-app, SMS) using Braze Canvas, Liquid scripting, and dynamic segmentation to target specific retail customer segments.
• ExtJS Front-End Development: Architect, build, and maintain interactive web applications, internal marketing dashboards, and user interfaces using the ExtJS framework to support e-commerce operations and campaign tracking.
• Data Integration & API Management: Integrate and maintain data flows between Braze, ExtJS applications, CDPs, CRMs, POS systems, and e-commerce platforms using REST APIs, JSON, and custom event tracking.
• Analytics & Performance Tuning: Utilize event-based data to create context-aware triggers. Collaborate with analytics teams to evaluate A/B tests, footfall conversion, cart abandonment, and customer KPIs (CLV, retention).
• Cross-Functional Collaboration: Partner with marketing, product, and retail operations teams to align digital campaign engagement with in-store experiences and technical front-end capabilities.

What you bring to your new team

• Education: Bachelor’s degree in Computer Science, Marketing Technology, or a related field.
• Braze Expertise: 2–5 years of experience configuring and deploying campaigns in Braze (or Iterable, Salesforce Marketing Cloud, Adobe Campaign).
• Front-End Development: 2+ years of hands-on experience using ExtJS (Sencha) and JavaScript.
• Domain Experience: Proven background in marketing campaign management, preferably within retail or e-commerce environments.
• Technical Skills: Proficiency in ExtJS, JavaScript, Liquid scripting, REST APIs, SQL, JSON data structures, and mobile/web SDK integrations.
• Core Competencies: Strong analytical troubleshooting skills, deep understanding of customer lifecycle marketing, and the ability to bridge the gap between UI development and marketing automation.

How you add even MORE value

• Hands-on experience with Loyalty Programs, Omnichannel Campaigns, and Personalization Engines.
• Exposure to Shopify, Magento, or other major retail e-commerce platforms.
• Knowledge of data warehousing, ETL tools, and managing large-scale retail datasets.

Get to know XTIVIA
XTIVIA is an innovative B2B technology enterprise solutions company committed to providing integrated technology solutions and services, delivering measurable results as a trusted industry thought leader for 30 years.
Our services include managed services and business solutions, like DevOps, CRM, and ITSM; database support and management; application solutions, including mobile apps; ERP solutions for GovCon and the private sector; and platform integration, with APIs as well as digital experience CMS solutions.
If you can imagine the business outcome, XTIVIA can create it with technology.
XTIVIA has offices in Colorado, New York, New Jersey, Texas, and Virginia.
xtivia.com
How we take care of our team members
For XTIVIA to recruit—and retain—the most experienced and talented people, XTIVIA offers a highly competitive and comprehensive benefits package. Our employees are our corporate family, so benefits extend beyond our employees to include their families. We provide affordable medical, dental, and vision benefits. Other benefits include a 401(k) plan with match, company-paid disability and life insurance, voluntary life insurance options, an Employee Assistance Program (EAP), identity and fraud protection, recognition and wellness programs. To promote a healthy work-life balance, XTIVIA offers team members flexible paid time off and remote and flexible work options, enabling you to spend time with family and recharge as needed without worrying about accruals. In addition, we encourage ongoing career development by offering paid training and certification opportunities. Our benefits are designed and focused around our culture and core values, treating people the way we would like to be treated. XTIVIA has been certified fIve years in a row as a great place to work.
This position has an expected pay rate of up to $70.00/hour (for onshore/U.S. candidates).
Your compensation is based on your skills and experience -- talk with your recruiter to learn more.
What We Promise
At XTIVIA, we are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and team members without regard to race, color, religion, age, sex, national origin, disability status, genetics, military and veteran status, sexual orientation, gender identity or expression, marital status, parental status, and any other characteristic protected by applicable laws. XTIVIA believes that diversity and inclusion among our team members are critical to our success as a global company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool.