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Senior Technical Writer, API

at Five9

United States (Remote)

Join us in bringing joy to customer experience.  Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.   

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. 

Five9 is actively looking for a full-time Senior Technical Writer, API to join our Product Content & Operations documentation team to develop high-quality API and SDK content. Five9 is constantly working to modernize our application platforms, and we need an API documentation expert to help us modernize how we write and deliver developer documentation. This person will play a critical role as we replace documentation for legacy web services with REST API content. This position is open to qualified applicants within the United States, with occasional travel to our San Ramon, CA headquarters. Candidates residing within 50 miles of our San Ramon, CA or San Francisco, CA offices are required to be in the office three days a week (Mondays, Wednesdays, Thursdays). 


  • Organize, write, and maintain customer-facing developer content for Five9 APIs.
  • Influence API specification design and standards used by developers.
  • Manage revisions to existing API documentation and create documentation for new APIs or new use cases.
  • Manage all aspects of API documentation projects from estimation to delivery.
  • Participate as needed in creating and maintaining high-quality user and administrator documentation for Five9 products. 
  • Learn and use the Five9 software of assigned products. 
  • Ensure that deliverables conform to the company style.


  • 5+ years of experience documenting, testing, and developing API documentation.
  • Extensive portfolio of superior writing examples that you are prepared to discuss.
  • Proven experience in documenting REST APIs, influencing API design, and writing code examples to validate API documentation.
  • Familiarity with API documentation tools such as Swagger/OpenAPI, Postman, or similar.
  • Proven technical, writing, and oral communication expertise.
  • Strong problem-solving and analytical skills.
  • Proven expertise in working with authoring tools such as MadCap Flare or Adobe Robohelp.
  • Experience with Agile project management and source control tools, such as Jira and GitLab.
  • Experience with contact center technology, hosted software products, and VoIP are a plus.
  • Bachelor’s degree or equivalent. 


As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process.  Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.

Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.

Our total reward package also includes:

  • Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short & Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching.
  • Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.
  • Generous employee stock purchase plan.
  • Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.

All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.

The US base salary range for this role is below.
$86,500$161,900 USD

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer. 

Our headquarters are located in the San Francisco Bay Area with global hubs in the United Kingdom, Germany, Philippines, Portugal, and Australia. 

View our privacy policy, including our privacy notice to California residents here:  

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.


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