API Developer — United States

Nine Line Apparel is seeking a highly skilled and innovative API Developer to build and maintain integrations that support essential business operations across multiple platforms. This role offers the opportunity to improve how systems communicate, automate workflows, and exchange data as the company continues to grow.

About The Company

Nine Line Apparel is a growing apparel company that relies on connected technology to support its customer experience and day-to-day operations. Our business depends on the effective coordination of eCommerce, fulfillment, warehouse management, enterprise resource planning, and cloud-based platforms. We value practical innovation, dependable systems, and solutions that help teams work more efficiently. Technology plays an important role in connecting these functions, enabling accurate information flow, responsive service, and sustainable growth.

About The Role

As an API Developer, you will design, develop, maintain, and optimize APIs and custom integrations across internal applications and third-party services. You will help ensure that business-critical data moves securely and reliably between platforms, while identifying opportunities to streamline processes through automation. Working with business and technical stakeholders, you will translate operational needs into maintainable integration solutions. The ideal candidate combines strong software development skills with an understanding of API architecture, systems integration, and the demands of interconnected business platforms.

Qualifications

Candidates should have professional experience in software development, API development, or systems integration, along with a strong understanding of RESTful APIs and common integration patterns. Experience connecting eCommerce, fulfillment, warehouse management, ERP, or cloud-based platforms is highly valued. You should be comfortable working with structured data formats such as JSON and XML, authentication methods, error handling, and API documentation. Familiarity with programming languages and frameworks used to build integrations, version control, testing practices, and cloud environments is expected. The ability to troubleshoot complex data flows, communicate technical concepts clearly, and manage multiple priorities is essential. Experience with workflow automation, monitoring, and performance optimization is an advantage.

Responsibilities

Design, build, test, and maintain scalable APIs and integrations that connect business applications and third-party services. Develop custom solutions that support reliable data exchange across eCommerce, fulfillment, warehouse, ERP, and cloud platforms. Automate repetitive workflows and improve existing processes to reduce manual effort and operational friction. Monitor integrations, investigate errors, resolve performance issues, and implement safeguards that support data accuracy and system reliability. Collaborate with teams across the organization to understand requirements, define technical approaches, and deliver solutions aligned with business needs. Document APIs, integration logic, configurations, and support procedures so that systems remain understandable and maintainable. Participate in code reviews, testing, deployment, and ongoing improvement of development standards. Assess emerging tools and integration approaches, recommend practical enhancements, and help ensure that solutions can scale as the organization’s systems and operations evolve.

Benefits

Nine Line Apparel offers the opportunity to contribute to technology projects with a direct impact on business operations and customer service. You will work on varied integration challenges, collaborate with colleagues across functional areas, and help shape systems that support the company’s continued growth. We aim to foster a professional, supportive environment where employees can apply their expertise, share ideas, and develop their capabilities. Specific compensation, benefits, and work arrangements will be discussed during the hiring process and may depend on role location and employment terms.

Equal Opportunity

Nine Line Apparel is committed to providing equal employment opportunities to all applicants and employees. Employment decisions are based on qualifications, skills, and business needs, without discrimination on the basis of any status protected by applicable law. We welcome applicants from diverse backgrounds and encourage qualified candidates to apply.