SlipstreamJobs tracks this role from the company's public career site. Apply directly on the employer's site.
Zone & Co is an ERP-native AI platform for financial operations, purpose-built for organizations running on Oracle NetSuite. The company serves over 4,500 customers worldwide, automating financial workflows across Quote-to-Cash, Procure-to-Pay, Treasury, Payroll Management, and Record-to-Report processes.
As a Senior Software Engineer on the ZoneBilling team, you will build and enhance SuiteApps that serve thousands of businesses. This is a hands-on development role with significant impact on both the product and the engineering organization. You'll work in a small, focused team where your contributions directly influence company direction and customer outcomes.
Key responsibilities include:
**Software Development:** Build, enhance, and scale the ZoneBilling application using SuiteScript, SQL, and modern JavaScript. Write clean, maintainable, well-tested code leveraging the company's proprietary SDK built on NetSuite with TypeScript, linting, automated testing, and documentation generation.
**Testing & Debugging:** Design and execute comprehensive test cases. Write and maintain unit tests to validate functionality and prevent regressions. Troubleshoot, debug, and resolve bugs in existing functionality.
**Team Collaboration:** Partner with the principal architect, other engineers, product managers, and QA to define and refine features. Participate in code reviews and contribute to a culture of learning. Share development best practices and tools across teams.
**Documentation & Continuous Improvement:** Document systems, architecture, and features clearly. Stay current with new tools and techniques, and suggest improvements to development processes.
The company operates as a high-velocity, fully remote, global team with a high-trust, autonomous culture that prioritizes innovation and professional growth.
**Requirements:**
- 5+ years of professional full-stack software development experience
- Deep business domain knowledge of billing and revenue, fintech experience, or strong interest in learning the domain
- Strong proficiency in JavaScript and/or SuiteScript, with experience using modern frontend frameworks (React), SQL, and REST/SOAP APIs
- Demonstrable experience with NetSuite SuiteCloud development and related technologies
- Solid understanding of web services (REST, SOAP), data formats (JSON, XML), Object-Oriented Programming, SOLID Principles, and Design Patterns
- Familiarity with HTML/CSS and general web development fundamentals
- Comfortable working in remote, distributed teams using modern development tools (Git, automated testing, CI/CD pipelines, GenAI tooling)
- Entrepreneurial mindset—proactive, curious, and ready to learn
- Bonus: Node.js or Java experience; TypeScript experience; background with ERP, HRIS, Payroll, Finance, or CRM systems
