Company Overview

The organisation operates within the fintech industry, developing digital financial products and software platforms that connect businesses, financial institutions and payment service providers. Its technology supports financial integrations, transaction processing and digital services that depend on reliable API connectivity.

The organisation values clear technical documentation as an essential part of delivering dependable financial technology products. It seeks professionals who can explain complex technical functionality accurately and make integration resources accessible to developers, clients and technical partners.

Role Summary

The Fintech API Documentation Specialist will create, maintain and improve technical documentation for financial APIs, integration processes and developer-facing platforms. The role involves translating technical requirements into clear documentation that supports API implementation, testing and ongoing product use.

The successful candidate will work closely with software engineers, product managers, implementation specialists and customer support teams to ensure that documentation accurately reflects system behaviour and integration requirements.

This position requires strong technical writing skills, an understanding of API concepts and the ability to communicate financial technology functionality in a structured and accessible manner.

Key Responsibilities

• Create and maintain documentation for fintech APIs, payment integrations and financial software services.

• Develop API reference guides, integration instructions, authentication guidance and troubleshooting resources.

• Work with engineers to understand API functionality, request structures and response behaviour.

• Review API specifications and translate technical information into clear developer documentation.

• Maintain examples of API requests, responses and common integration workflows.

• Document payment-related processes such as transaction initiation, status checks, refunds and settlement queries.

• Support the development and maintenance of developer onboarding materials.

• Review documentation for accuracy following API changes, software releases and product updates.

• Collaborate with product and implementation teams to identify documentation gaps.

• Prepare troubleshooting guides for common integration errors and operational issues.

• Organise documentation libraries to improve accessibility and consistency.

• Maintain version control and document change history.

• Gather feedback from developers and technical partners to improve documentation quality.

• Ensure that documentation follows internal style standards and technical terminology.

• Contribute to documentation quality reviews and continuous improvement initiatives.

Requirements and Qualifications

• Bachelor’s degree in Technical Communication, Computer Science, Information Technology or a related field.

• Professional experience in technical writing, API documentation or software documentation.

• Understanding of REST APIs, JSON, HTTP methods and authentication concepts.

• Familiarity with API documentation tools and structured documentation platforms.

• Ability to interpret technical specifications and communicate them clearly.

• Experience using tools such as Swagger, OpenAPI, Git or Markdown is an advantage.

• Understanding of payment systems or financial technology is beneficial.

• Strong written communication, editing and organisational skills.

• Attention to technical accuracy and consistency.

• Ability to collaborate with software engineers and product teams.

• Familiarity with developer portals and API integration workflows is an advantage.

• Ability to manage documentation updates across multiple products or services.

Benefits

• Fully remote working arrangement within Estonia.

• Opportunity to support developer adoption of modern fintech APIs.

• Exposure to payment technology and financial software integration.

• Professional development in technical communication and API documentation.

• Collaboration with engineering, product and implementation specialists.

• Opportunities to improve developer experience and technical resource quality.

• Long-term career development within fintech technology documentation.

Application Instructions

Candidates should submit an updated CV outlining their experience in technical writing, API documentation or software documentation. Applicants should highlight relevant documentation tools, API knowledge and examples of technical materials they have created or maintained.

Are you interested in this position?

Apply by clicking on the “Apply Now” Button below!

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