
About Five9
Empowering extraordinary customer experiences through cloud solutions
Key Highlights
- Public company (NASDAQ: FIVN) with strong market presence
- Over 2,000 customers including Zappos and ADT
- Raised $200M+ in funding to date
- Headquartered in San Ramon, California
Five9 is a leading provider of cloud contact center solutions, headquartered in San Ramon, California. With over 2,000 customers, including major brands like Zappos and ADT, Five9 offers a comprehensive CCaaS platform that integrates AI-driven analytics to enhance customer interactions. The company ...
🎁 Benefits
Five9 offers competitive salaries, stock options, generous PTO policies, and a flexible remote work policy to support work-life balance. Employees als...
🌟 Culture
Five9 fosters a culture focused on innovation and customer success, encouraging employees to leverage data and insights to drive impactful solutions. ...

Software Engineering • Senior
Five9 • United States - Remote
Overview
Five9 is seeking a Senior Software Development Engineer to join their Professional Services team. You'll work on diverse development projects involving customer integrations and API solutions. This role requires strong skills in Node.js and HTML5.
Job Description
Who you are
You have a strong background in software development with a focus on customer integration projects — your experience includes gathering requirements, analyzing feasibility, and implementing solutions that meet client needs. You thrive in a remote work environment and are comfortable communicating with customers directly, whether through phone calls or web conferences. Your ability to explain technical concepts to non-technical audiences sets you apart, ensuring that all stakeholders are aligned and informed throughout the project lifecycle.
You possess a broad knowledge of current development technologies and are eager to learn new systems and APIs as required — your adaptability allows you to tackle a variety of projects, from HTML5 web applications to complex CRM CTI integrations. You are detail-oriented and take pride in delivering high-quality solutions that enhance customer experiences. Your collaborative spirit and team-first mindset contribute to a positive work culture, where you celebrate diversity and inclusivity.
Desirable
Experience with cloud contact center software or similar technologies would be a plus — familiarity with APIs and web service integrations will help you excel in this role. A background in customer-facing positions can enhance your ability to understand client needs and deliver tailored solutions.
What you'll do
As a Senior Software Development Engineer at Five9, you will lead short-term development projects that require a deep understanding of customer integration requirements. You will analyze feasibility using available APIs and design, develop, and implement solutions that meet diverse client needs. Your role will involve working on various projects, including HTML5 web applications and Node.js services, ensuring that each solution is robust and scalable.
You will interact directly with customers to gather requirements and provide updates on project progress — your strong communication skills will be essential in explaining technical solutions to non-technical audiences. You will also collaborate with cross-functional teams to ensure that all aspects of the project align with customer expectations and company standards.
In addition to project work, you will stay current with industry trends and emerging technologies, continuously seeking opportunities to enhance your skills and knowledge. Your contributions will directly impact customer satisfaction and the overall success of the Professional Services team at Five9.
What we offer
Five9 offers a supportive and inclusive work environment where you can thrive as a Senior Software Development Engineer. You will have the opportunity to work on meaningful projects that bring joy to customer experiences. The company values diversity and encourages you to be your authentic self while contributing to a team that celebrates different perspectives.
As part of the Five9 team, you will enjoy the flexibility of a fully remote position, allowing you to work from anywhere in the Continental U.S. The company is committed to your professional growth and development, providing resources and support to help you succeed in your role. Join us in transforming the customer experience landscape with innovative cloud solutions.
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