Technical Product Content Writer III

Job Description Job Summary

Vertex is seeking a senior-level technical writer to deliver high-quality user and technical documentation for system integrators and users of Vertex Value Added Tax (VAT) and e-Invoicing solutions. The ideal candidate has extensive experience with APIs (REST, SOAP), API content development tools (Swagger, Postman, Read Me), and automation processes. Familiarity with VAT and e-Invoicing is preferred; AI automation experience is a plus.

This role is part of the Product Content Experience (PCX) team and involves collaboration across global, cross-functional groups, including mentoring junior writers.

• Design, develop, and maintain user or integrator content using text and visual elements for complex, emerging products and the Vertex Cloud platform that is clear, accurate, accessible, and optimized for Answer Engine Optimization (AEO).
• Develop content for multiple audiences, including tax professionals, integrators, programmers, DBAs, and system administrators.
• Direct, guide, and mentor PCX Writer I and II team members with constructive feedback.
• Work independently to:
  • Partner with Product Management, Product Designers, and PCX Writers to define content requirements and design UI content.
  • Perform technical writing tasks using AI tools.
  • Collaborate effectively with agile engineering teams.
  • Conduct needs, audience, and task analyses.
  • Apply content design and Information Architecture principles.
  • Use structured authoring to build modular and self-contained articles.
  • Use Content Management Systems and graphics tools to deliver content in various formats (text, images, videos, knowledge base).
  • Comply with department content development standards, including AI and SEO guidelines.
  • Incorporate editor and SME feedback.
  • Deliver quality content on time and within scope.
  • Maintain existing deliverables (online help, HTML, guides, Copilot repository).
  • Collaborate as part of a multidisciplinary agile team.
• Stay current with industry trends through self-study, events, and professional organizations.
• Perform additional duties or special projects as assigned.

Supervisory Responsibilities: None

• Demonstrated ability to follow a technical writing process to create clear, comprehensive, error-free content for complex software solutions.
• Knowledge of fundamental web content design and Information Architecture principles.
• Proven excellence authoring content across varied technical environments and document types (UI content, help systems, operating/technical/reference guides, knowledge articles, API documentation, job aids).
• Knowledge of web development technologies such as CSS, HTML, XML, Java, Markdown, and OpenAPI Specification (OAS).
• Advanced proficiency with authoring and graphics tools including Microsoft Office and Snag It.
• Experience using software defect tools and business applications such as Jira and Confluence.
• Proficiency using AI tools in the technical writing process.
• Ability to critically assess source and AI-generated material to determine relevance and accuracy.
• Knowledge of image creation and manipulation for product content.
• Understanding of writing for Answer Engine Optimization (AEO).
• Ability to interview and collaborate with subject matter experts.
• Strong organizational, planning, and time management skills.
• Ability to work effectively with a diverse and globally dispersed workforce.
• Ability to manage ambiguity in software build and release schedules.
• Ability to follow up consistently with busy SMEs.
• Strong analytical and problem-solving skills for complex situations.
• Ability to work independently with latitude for decision-making.
• Strong interpersonal, communication, presentation, and facilitation skills.
• Results-oriented and customer-focused mindset.
• Proficiency in Microsoft Office Suite.

• Knowledge of scripting languages.
• Knowledge of Value Added Tax (VAT) and e-Invoicing concepts.
• Experience with Enterprise Resource Planning (ERP) systems such as SAP, Oracle, Microsoft, or Workday.
• Experience with AI-driven automation workflows.

• Bachelor's degree in Technical Communication or a related field.
• Five to eight (5-8) years of relevant technical experience.
• Equivalent combinations of education and experience will be considered.

Other Qualifications

The Winning Way behaviors that all Vertex employees need in order to meet the expectations of each other, our customers, and our partners.

• Communicate with Clarity - Be clear, concise and actionable. Be relentlessly constructive. Seek and provide meaningful feedback.
• Act with Urgency - Adopt an agile mentality - frequent iterations, improved speed, resilience. 80/20 rule - better is the enemy of done. Don't spend hours when minutes are enough.
• Work with Purpose - Exhibit a "We Can" mindset. Results outweigh effort. Everyone understands how their role contributes. Set aside personal objectives for team results.
• Drive to Decision - Cut the…