Senior NetSuite Developer
Posted on 3 August 2026
£540-£640pd Outside IR35
Interim
London
Finance Transformation
32591
Opportunity description
Job Title:
Senior NetSuite Developer
One of our media clients is looking for a Senior NetSuite Developer to support a wider NetSuite ERP implementation.
Role: Senior NetSuite Developer (Procure-to-Pay)
Location: Hybrid with 2-3 days a week in Central London
Contract: Initial 3 months (Outside IR35)
Day Rate: £540-£640pd Outside IR35
Start: ASAP / urgent requirement
Company
We are supporting a global organisation undergoing a significant finance transformation programme, centred on enhancing and scaling its NetSuite ERP environment. Operating across multiple international markets, the business is investing heavily in automation, systems integration, and process improvement to support continued growth and operational efficiency.
The organisation has an established internal NetSuite leadership and architecture capability and is now looking to strengthen its development function with an experienced technical specialist who can translate solution designs into scalable, production-ready outcomes.
Role
We are supporting the appointment of a Senior NetSuite Developer to lead the delivery of backend automation, integration development, and payment processing capabilities across the Procure-to-Pay landscape.
This is a highly technical position focused on engineering and optimisation rather than solution design. Working closely with internal NetSuite architects and finance transformation stakeholders, you will build and maintain custom development, integrations, and automation frameworks that underpin critical finance operations.
The successful candidate will play a key role in ensuring the platform remains scalable, secure, high performing, and resilient through future NetSuite upgrades while supporting an increasingly automated finance environment.
Responsibilities
Requirements
Essential
Role: Senior NetSuite Developer (Procure-to-Pay)
Location: Hybrid with 2-3 days a week in Central London
Contract: Initial 3 months (Outside IR35)
Day Rate: £540-£640pd Outside IR35
Start: ASAP / urgent requirement
Company
We are supporting a global organisation undergoing a significant finance transformation programme, centred on enhancing and scaling its NetSuite ERP environment. Operating across multiple international markets, the business is investing heavily in automation, systems integration, and process improvement to support continued growth and operational efficiency.
The organisation has an established internal NetSuite leadership and architecture capability and is now looking to strengthen its development function with an experienced technical specialist who can translate solution designs into scalable, production-ready outcomes.
Role
We are supporting the appointment of a Senior NetSuite Developer to lead the delivery of backend automation, integration development, and payment processing capabilities across the Procure-to-Pay landscape.
This is a highly technical position focused on engineering and optimisation rather than solution design. Working closely with internal NetSuite architects and finance transformation stakeholders, you will build and maintain custom development, integrations, and automation frameworks that underpin critical finance operations.
The successful candidate will play a key role in ensuring the platform remains scalable, secure, high performing, and resilient through future NetSuite upgrades while supporting an increasingly automated finance environment.
Responsibilities
- Develop and deploy SuiteScript 2.1 solutions across Map/Reduce, Scheduled, User Event, and related script types
- Build backend automations supporting high-volume Procure-to-Pay processes, including matching, exception handling, and workflow automation
- Design, develop, and maintain NetSuite integrations with external procurement, OCR, and accounts payable platforms
- Build and support RESTlets and SuiteTalk REST/SOAP services for secure data exchange between systems
- Configure and extend Electronic Bank Payments functionality to support automated payment processing
- Develop and maintain banking integrations, including payment file generation and secure transmission protocols
- Support payment formats including ACH, NACHA, SEPA, and other banking standards where required
- Optimise custom developments to ensure compliance with NetSuite governance limits and performance requirements
- Work closely with finance, transformation, and technical stakeholders to deliver development activities against programme priorities
Essential
- 5+ years of dedicated NetSuite development experience
- NetSuite Certified SuiteCloud Developer II certification and/or NetSuite Certified Administrator certification
- Proven track record delivering NetSuite implementations or enhancement programmes within finance or Procure-to-Pay environments
- Deep expertise in SuiteScript 2.x / 2.1, including Map/Reduce, User Event, RESTlet, and Scheduled scripting
- Strong experience developing and supporting NetSuite integrations using SuiteTalk REST and SOAP services
- Experience working with API authentication frameworks including Token-Based Authentication and OAuth 2.0
- Strong JavaScript or TypeScript development capability
- Experience working with middleware platforms such as Celigo, Dell Boomi, Workato, or similar integration technologies
- Solid understanding of relational database structures, data models, and SQL-based reporting
- Experience developing secure, scalable, and maintainable solutions within complex ERP environments
- Strong troubleshooting and performance optimisation skills
- Prior exposure to Electronic Bank Payments and payment file automation
- Knowledge of banking formats including ACH, NACHA, and SEPA
- Experience with SuiteAnalytics Connect and advanced NetSuite reporting capabilities
