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.
The team
The Product Engineering team drives the realization of practical AI solutions for the contact center environment. Our existing Studio product stack is built on PHP/Laravel, Python, and Vue.js, and is deployed across both private and public clouds. We leverage leading cloud AI services including Azure OpenAI, Google AI APIs, IBM Watson, and Amazon Lex.
Our vision for practical AI is to equip contact center agents, supervisors, and managers with intuitive user interfaces that guide and summarize their work, identify coaching and support opportunities, automate routine interactions, and enable the creation, deployment, and ongoing management of AI agents. At the same time, Studio is being fully integrated into the robust Five9 microservices platform.
Role purpose
The Senior Software Engineer role within the R&D AI Automation Team is responsible for designing, developing, and maintaining the Studio software solution—a drag-and-drop flow builder and execution engine that integrates multiple channels such as voice, SMS, and chatbots with the Five9 contact center voice solution.
This role includes software design and development, testing, and documentation across backend, frontend, and interaction management platforms to deliver end-to-end features. You will collaborate closely with product owners and designers to expand functionality and create high-quality user interfaces, take operational ownership for service performance and quality (including participating in on-call rotations), explore cutting-edge technologies, and work with product teams to bring innovative ideas to market. This role contributes directly to the design process for new products and solutions.
How you contribute
Demonstrate comprehensive knowledge of programming languages, frameworks, and development methodologies to resolve complex technical challenges.
Produce high-quality, efficient, and maintainable code that supports scalability and tenancy management, following established best practices.
Troubleshoot and resolve complex technical issues by identifying root causes and implementing effective solutions.
Ensure development milestones are met on schedule and aligned with business objectives.
Collaborate effectively with cross-functional teams, including Product Managers, Designers, and QA.
Consistently follow and contribute to development processes, documentation, specifications, and APIs.
Skills, competencies and qualifications
Required:
Proficiency in programming languages such as PHP, JavaScript, Python, or others as required.
Strong expertise in server-side technologies, databases (SQL and NoSQL), and backend frameworks such as PHP/Laravel.
Solid experience with web technologies including HTML, CSS, JavaScript, and modern frontend frameworks such as Vue.js or React.
Knowledge of web security best practices and ability to implement secure application designs.
Ability to conduct thorough code reviews and mentor junior developers on coding standards.
Portfolio demonstrating design and full-stack development experience.
Ability to work independently and within a collaborative team environment.
Strong commitment to delivering high-quality solutions on time and within scope.
Bachelor’s degree (or equivalent) in a relevant discipline.
Desirable:
Experience with multi-tenant systems.
Hands-on experience with AI-based coding tools such as GitHub Copilot, Claude, or similar.
Expertise in sharding technologies including MySQL, Redis, or MongoDB.
Experience with contact centers, IVR, virtual agents, VoIP, and telecommunications service providers.
Experience with Google Cloud Platform (GCP), Kubernetes, and CI/CD pipelines.
Other requirements
Key relationships
There are no direct reports to this role.
Key stakeholders include:
Service owners and their teams
Technical leadership and senior management, including VPs
Engineering teams
Network and Telecom teams
Customer Service teams
Compliance and Information Security teams
This is not a customer-facing role.
Benefits Include
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.
View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.
Five9 is a top cloud software provider for contact centers, offering solutions for customer service, sales, and marketing functions. Their platform optimizes customer interactions across channels, enhancing productivity and delivering exceptional exper...
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