Principal Application Developer (372)

SUMMARY: The Principal Application Developer is accountable for the design, coding/build, and scale-out of a modern e-commerce platform backend. In this role you will be responsible for the software architecture and development of a custom, robust eCommerce platform able to support a wide array of product catalogs, checkout workflows, and integrations with third-party applications and services to ensure seamless commerce. You will play a key role in ensuring the platform is secure, scalable and reliable to handle high transaction volumes and future growth.

DUTIES & RESPONSIBILITIES:

Responsibilities include, but are not limited to:

  • Design, build, and maintain the core back-end software architecture for a scalable e-commerce platform.
  • Develop APIs, microservices, and integrations to power front-end applications and third-party services.
  • Implement secure payment systems, inventory management, and order fulfillment logic.
  • Optimize database schemas and queries for high availability and large-scale traffic.
  • Ensure platform compliance with security and privacy standards.
  • Collaborate with front-end developers, DevOps, and product managers to deliver a seamless platform experience.
  • Build automation, CI/CD pipelines, and monitoring tools for system reliability.
  • Proactively identify performance bottlenecks and design scalable solutions.

See also

Software Engineering jobs by country — openings, pay and top skills →

Tailor your CV for this role?

We couldn't check your fit for this role — add a CV to your profile to see it next time.

A new version of freehire is available