Job Title: Principal Application Developer

Company Name: Paycom

Job Url: https://www.paycomonline.net/v4/ats/web.php/portal/7FAD41E489F0E4DB4546880755BB9E49/jobs/5813

Job Description: Principal Application Developer (372)
Fully Remote   •   Miramar, FL 33025; Fort Worth, TX 76177
Overview
Position Type
Full Time
Category
Non DOT - Safety Sensitive Position
Description
 

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.
Qualifications
 

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 degree
7 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 GraphQL APIs
Knowledge 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 APIs
Experience 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