Senior Software Engineer (Full Stack) - Five9

The Team  
 

CRM & SDK team is focusing on integrating Five9 dialer into multiple CRM systems and works with variety of backend and frontend technologies  
 
 
The Role Purpose 

• Be part of an agile team to develop a scalable, highly available global voice platform 

• Collaborate with Product Managers, Architects, Engineering leaders and Test Engineers Understand performance and scalability principles and apply them when developing software 

• Troubleshoot and support current platform in production (we embrace DevOps) Designs, develops, troubleshoots, debugs, and implements software code using JavaScript, Java, Spring, and related technologies 

• Write unit and functional tests, be able to document and communicate clearly 
   

Skills, Competencies and Qualifications Required 

• 5+ years of industry experience in backend development (Java) 

• 5+ years of industry experience in frontend development (JavaScript, TypeScript, React) 

• Deep knowledge and experience with frameworks such as Spring 

• Hands on Experience in designing and implementing scalable, high performing Microservices providing REST APIs 

• Strong expertise in web development technologies, including HTML, CSS, and modern front-end frameworks. 

• Experience working with cloud platforms such as GCP or AWS. 

• Expertise server-side technologies and databases (SQL or NoSQL). 

• Experience working on complex problems spanning multiple products and systems 

• Experience working within an Agile/Scrum team Positive, self-motivated and enthusiastic attitude with a strong sense of ownership 

• Strong communication skills, both verbal and written 
   

Desirable 

• Hands-on experience with Kubernetes for container orchestration. 

• Knowledge of real-time communications (SIP, RTP, etc.) is a plus. 

• Experience with Backbone, Handlebars. 

• Experience with automated testing frameworks (Nightwatch) 

Other Requirements 

This position requires the ability to be On Call. 

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 infosec teams 

• This is not a customer-facing role.