Senior BigCommerce Developer – B2B Catalog Migration (V3 API)

About the role

Alfa Eleven is seeking a Senior BigCommerce Developer to lead B2B catalog migration projects using the BigCommerce V3 Catalog API. Based on-site in Multan, you will design and implement scalable catalog structures for high‑volume SKU environments, ensuring data integrity and performance across ecommerce workflows.

Key responsibilities

• Plan and execute data migrations from legacy platforms such as Shopify and WooCommerce.
• Architect scalable catalog models that support variant management, pricing tiers, and B2B‑specific requirements.
• Develop and maintain integrations with the BigCommerce V3 Catalog API.
• Collaborate with project managers, operations specialists, and client stakeholders to refine requirements and troubleshoot issues.
• Document technical solutions and mentor junior developers.
• Contribute to internal best‑practice guides and tooling for ecommerce operations.

Required profile

• Proven experience with BigCommerce development and the V3 Catalog API.
• Strong background in ecommerce data migration and catalog management.
• Ability to translate business needs into technical solutions and communicate with non‑technical stakeholders.
• Detail‑oriented problem‑solver with a systematic approach to large‑scale data operations.

Required skills

• BigCommerce platform
• V3 Catalog API
• JavaScript
• RESTful APIs
• JSON
• HTML/CSS
• ETL and data processing workflows
• Data mapping, validation, and error handling