API Technical Writer (Payments)

Job Title: API Technical Writer (Payments) - W2

Location: NYC, NY (Hybrid – 3 days onsite per week)

Employment Type: Long Term Contract

Industry: Payments/Banking

Role Overview:

We are seeking a specialized API Technical Writer to join our team. This is not a generic technical writing role; we require a subject matter expert with deep experience documenting APIs specifically within the payment processing and banking/financial services ecosystem. You will be responsible for creating high-quality developer guides, integration workflows, and technical specifications that enable seamless payment initiation and transaction processing.

Key Responsibilities:

• Develop and maintain comprehensive API documentation, including developer guides, integration guides, and API reference documents.
• Document RESTful APIs, API specifications, and complex integration workflows for payment systems.
• Collaborate with engineering and product teams to translate technical payment logic into clear, actionable documentation.
• Ensure documentation accurately reflects payment channels, gateways, and banking system architectures.

Required Skills:

• Proven experience as an API Technical Writer in the Banking or Financial Services domain.
• Hands-on experience documenting REST APIs and API specifications.
• Deep understanding of Payment APIs and payment channel integration.
• Expertise in documenting payment initiation, processing, and transaction flows.
• Strong knowledge of payment gateways and banking payment systems.
• Ability to create clear, concise technical specifications and developer-facing documentation.

Preferred Skills:

• Experience with OpenAPI/Swagger specifications.
• Familiarity with financial messaging standards (e.g., ISO 20022).
• Experience working in an Agile/Scrum development environment.
• Proficiency with documentation tools such as Markdown, Git, or Confluence.

How to Apply:

Apply for this role using the apply link on this Jobsify job posting.