[Remote] Staff Product Engineer
Note: The job is a remote job and is open to candidates in USA. Kastel Group is a venture-backed AI infrastructure company focused on revolutionizing accounting operations at scale. They are seeking a Staff Product Engineer with deep NetSuite expertise to lead and expand a critical ERP integration layer, where the engineer will own the NetSuite ecosystem end-to-end, including architecture and customer-specific customizations.
Responsibilities
- Architect and build deep NetSuite integrations across enterprise customer environments
- Develop and maintain reliable sync logic, reconciliation workflows, and data mappings
- Work directly with SuiteTalk APIs (REST/SOAP), SuiteQL, and SuiteScript
- Handle customer onboarding workflows including authentication, permissions, and troubleshooting
- Design systems capable of supporting highly customized NetSuite tenants
- Collaborate cross-functionally with engineering, product, and customer stakeholders
- Establish best practices around observability, reliability, and integration architecture
- Contribute across the stack where needed, including backend systems, infrastructure, and product functionality
Skills
- 5–10+ years of software engineering experience
- Strong hands-on NetSuite integration expertise
- Deep understanding of NetSuite data structures and OneWorld environments
- Experience with SuiteTalk REST/SOAP APIs, SuiteQL, and SuiteScript 2.x
- Comfortable working with customized ERP environments including workflows, saved searches, custom records, and custom fields
- Strong backend engineering fundamentals, particularly with Python
- Experience building scalable systems and production-grade infrastructure
- Familiarity with Kubernetes and modern cloud-native environments
- Prior startup or founding engineer experience
- Financial systems or accounting domain experience
Benefits
- Meaningful equity package
- Hybrid preference in London, though remote candidates in the US, UK, or EU will be considered
- Visa sponsorship currently unavailable
Company Overview