Principal Application Developer

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, Dev Ops, 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.

MINIMUM REQUIREMENTS:

Bachelor’s degree in computer science, software engineering or equivalent experience

OR an additional 3 years of specific work experience in lieu of degree7 years of relevant/technical work experience

Strong proficiency in server-side languages

Experience with frameworks

Proficiency in relational and non-relational databases

Experience with JSON, XML, and structured data formats

Experience building and consuming RESTful and/or Graph

QL APIsKnowledge of microservices architecture, event-driven systems, and containerization

Familiarity with cloud platforms

Hands-on experience with eCommerce including inventory management, payment gateways, shopping cart logic, and shipping APIsExperience with integrations involving ERP backend systems

Understanding of catalog management, inventory, promotions, and multi-vendor systems

Will be required to travel 25%
PREFERRED REQUIREMENTS:

Experience designing distributed systems for high-traffic e-commerce

Knowledge of caching, message queues, and search optimization

Exposure to headless commerce platforms and API-first architectures

Previous experience with large-scale e-commerce builds or SaaS platforms
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