Business Application Developer

Business Applications Developer

About Spinelli Kilcollin:

Spinelli Kilcollin is a luxury jewelry brand based in Los Angeles, known for designing linked rings, clean architectural designs, and a commitment to responsible craftsmanship. Founded in 2010, our collections are handcrafted in downtown L.A., with a focus on creating a positive long-term impact—on our industry, our community, and our customers.

Overview

We are seeking a talented Business Applications Developer to design, build, and maintain integrations and customizations across our enterprise business platforms, including NetSuite ERP, ShipStation, CRM, Shopify, HR/Payroll, Finance, and collaboration systems. This role requires a deep understanding of enterprise systems, data integration, and automation. You will play a key role in optimizing business workflows, driving efficiency, and ensuring seamless communication between critical applications.

Location: Los Angeles (Hybrid)

Reports To:
COO (in partnership with VP of People)

Key Responsibilities

Systems Architecture & Integration

• Architect, develop, and maintain integrations between NetSuite, Shopify, HR/Payroll, CRM, Finance, and other enterprise platforms.
• Design and implement scalable integration modules, reusable components, and data sync pipelines connecting internal and third-party systems.
• Develop APIs, workflows, and automation using REST/SOAP, SQL, and platform-specific SDKs.
• Lead and support ERP upgrades, patches, and performance tuning initiatives within NetSuite and related system migrations (IE: Dropbox → Google Drive).
• Implement automated monitoring, logging, and error handling to ensure reliable and transparent integrations.
• Manage system deployments and participate in SDLC activities, including code reviews, QA, and documentation.

Platform Development & Customization

• Build and maintain NetSuite customizations, including SuiteScripts, workflows, forms, and data transformations.
• Design and develop SQL-based reports, dashboards, and stored procedures using tools such as Power BI, BigQuery, and NetSuite Analytics.
• Customize and extend applications to improve financial, HR, and operational processes.
• Support and enhance integrations between NetSuite and external platforms, such as ShipStation, Shopify, HubSpot, and collaboration tools.
• Administer user roles, permissions, SSO architecture, and enterprise security systems.

Automation & Internal Tools

• Develop internal tools, scripts, and automation solutions leveraging APIs and AI platforms such as ChatGPT Enterprise.
• Implement and maintain monitoring/logging systems for proactive system health management.
• Create and manage automated data transformation and backup workflows across enterprise systems.

Collaboration & Business Support

• Partner with business leaders, operations, and web to translate requirements into scalable, maintainable solutions.
• Provide Tier 2 support for system issues, performing root-cause analysis and implementing long-term fixes.
• Identify inefficiencies and automate workflows to enhance operational effectiveness.
• Maintain comprehensive documentation for integrations, configurations, and deployment processes.
• Support testing, validation, and user acceptance phases during system enhancements and upgrades.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience).
• 3–5+ years of experience in enterprise system development, ERP customization, and/or application integration.
• Hands-on experience with NetSuite ERP — including SuiteScript development, SuiteFlow automation, and integration with external systems.
• Strong programming skills in JavaScript, Python, C#, Java, or Go, with proficiency in SQL and REST API development.
• Experience designing and maintaining integrations using platforms such as Dell Boomi, MuleSoft, Celigo, or custom middleware.
• Solid understanding of data management, database architecture, and SDLC best practices.
• Excellent communication and documentation skills, with the ability to collaborate effectively across departments.

Preferred Skills

• Familiarity with Microsoft Graph API, Retool, or similar low-code application frameworks.
• Experience with retail and physical inventory-based industry.
• Experience with AI/automation tools, enterprise search (e.g., Elasticsearch), or RAG-based solutions.
• Experience with CRM platforms such as HubSpot and Braze is a strong plus.
• Professional certification in NetSuite is a strong plus.

Why Join Us

As a Business Applications Developer, you'll be at the center of our enterprise technology ecosystem - empowering teams through smarter integrations, modern automation, and optimized workflows. If you're passionate about leveraging NetSuite and other leading platforms to deliver meaningful business impact, we want to hear from you.

Compensation: $140,000 - $180,000

Benefits:

• Paid Company Holidays
• PTO
• Health & Dental Benefits
• 401(k) + matching
• Profit sharing + Annual Bonus
• Jewelry Allowance

How To Apply:

Send your resume and a cover letter to Please include three cultural figures who inspire you in any creative field and why. Impeccable references are required.

Applicants must submit the materials above directly to for consideration.

We look forward to receiving your application and learning more about how you can contribute to Spinelli Kilcollin