Full Stack Developer

Citizens of Humanity Group; Los Angeles (CA); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Citizens of Humanity Group is seeking a Full-Stack Developer in Los Angeles to build and maintain integrations across ERP and Shopify systems. This role involves automating workflows and improving IT tools for the team.

The ideal candidate will have strong proficiency in GraphQL, SQL, and experience with REST APIs. Bonus skills include familiarity with AS/400 and PLM systems. The position supports a hybrid work environment with a focus on collaboration.

Qualifications

• Proficiency with GraphQL specifically within the Shopify ecosystem.
• Strong SQL skills; able to write performant queries and stored procedures.
• Experience with REST APIs and integration best practices.
• Familiarity with Linux systems and scripting languages.
• Abstract understanding of business systems such as ERP and PLM.
• Experience automating IT tasks and building internal tools.
• Proficient in EDI document handling.

Responsibilities

• Design and maintain integrations between ERP, Shopify, and internal tools.
• Develop web-based internal applications and dashboards.
• Work with Shopify’s GraphQL API for front-end features.
• Build tools to improve team efficiency.
• Manage and troubleshoot data pipelines.

Skills

Proficiency with GraphQL

Strong SQL skills

Experience with REST APIs

Familiarity with Linux systems and scripting

Experience automating IT tasks

Proficient in EDI document handling

Strong communication skills

Self-driven and detail-oriented

Tools

GraphQL

SQL

Bash

PowerShell

Python

Git

Job description

Job Title: Full-Stack Developer (ERP, Shopify, & Internal IT Tools)

Location: Huntington Park, CA

Employment Type: Full-Time

Department: Information Technology

About Us

Citizens of Humanity Group is a leader in the premium apparel industry, committed to innovation, sustainability, and excellence in design and operations. As we continue to scale globally, our IT department plays a critical role in bridging legacy infrastructure with modern platforms like Shopify. We’re expanding our team with a Full-Stack Developer who can drive integration development and help build internal IT tools that keep our teams productive and aligned.

Role Overview

As a Full-Stack Developer, you’ll be responsible for building and maintaining mission-critical integrations between our ERP, Shopify, PLM, and other internal systems. You’ll also support IT operations by developing internal tools, automating workflows, and solving real business problems with technology. This is a high-impact, hybrid role that blends engineering, systems thinking, and IT operations support.

Key Responsibilities

• Design, build, and maintain integrations between ERP (AS/400, IBM i), Shopify, PLM (e.g., Yunique), and internal tools
• Develop web-based internal applications and dashboards to support merchandising, operations, and finance teams
• Work with Shopify’s GraphQL API to enable storefront features, reporting, and back-office automations
• Build IT tooling such as scripts, utilities, and lightweight automations to improve team efficiency
• Manage and troubleshoot data pipelines, ensuring reliable syncing across platforms
• Support and extend EDI workflows and file-based integrations with external trading partners
• Collaborate with the Director of IT and business stakeholders to define requirements and deliver reliable solutions
• Contribute to IT operations, including deployment automation, logging, scripting, and maintaining internal Git-based code repositories

Required Qualifications

• Proficiency with GraphQL, specifically within the Shopify ecosystem
• Strong SQL skills; able to write performant queries and stored procedures
• Experience with REST APIs and integration best practices
• Familiarity with Linux systems and scripting (Bash, PowerShell, or Python)
• Abstract understanding of business systems such as ERP, PLM, CMS, WMS and how they interact
• Experience automating IT tasks and building internal tools to support system/process management
• Proficient in EDI document handling and file-based data exchange (e.g., FTP, SFTP)
• Strong communication skills with the ability to work across technical and non-technical teams
• Self-driven, detail-oriented, and comfortable operating within established security frameworks in a fast-paced environment

Bonus Skills

• Experience with AS/400 (IBM i) systems and/or RPG, TrustedLink for i
• Familiarity with PLM systems like Yunique
• Background in apparel, manufacturing, or retail industry
• Experience with lightweight DevOps/CI tools (e.g., GitHub Actions, PM2, Docker)
• Middleware experience with Apache NiFi or similar platforms
• VMWare reporting, automation, and management