Senior Software Engineer - Backend - Core
Quick Summary
Be part of an agile team to develop scalable, highly available core platform services. Participate and contribute to
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.
- Be part of an agile team to develop scalable, highly available core platform services.
- Participate and contribute to requirements analysis and architecture.
- Collaborate with product managers, architects, engineering leaders and test engineers.
- Understand performance and scalability principles and apply when developing software.
- Document and communicate clearly architecture and implementation solutions.
- Troubleshoot and support current platform in production.
- This position requires the ability to be part of on-call rotation, troubleshooting customer issues and drive issues to resolution.
- 8+ years of industry experience in server-side development.
- 4+ years of Java backend development.
- Experience with any public cloud platform.
- Deep knowledge and experience in building Spring Framework applications.
- Strong Computer Science fundamentals in design, data structures, algorithms, problem solving and complexity analysis.
- Strong multithreading knowledge and experience.
- Experience in designing and implementing RESTful and RPC interfaces.
- Experience in applying design patterns and separating concerns in a distributed system.
- Experience architecting, developing and deploying internet scale, distributed and mission critical services.
- Strong understanding of event-driven systems.
- Experience working with SQL and NoSQL databases and caches.
- 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.
What We Offer
~1 min readListing Details
- First seen
- April 3, 2026
- Last seen
- April 26, 2026
Posting Health
- Days active
- 23
- Repost count
- 0
- Trust Level
- 32%
- Scored at
- April 26, 2026
Signal breakdown
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