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.
About Five9
Five9 is a leading provider of cloud software for the enterprise contact center market, powering billions of customer interactions annually. Since 2001, Five9 has been at the forefront of the cloud revolution, helping organizations deliver exceptional customer experiences, improve productivity, and achieve measurable business outcomes.
We are expanding our Engineering team in Bangalore, India, and are seeking a Senior Software Engineer to help design, implement, and scale Five9's next-generation cloud-native services. This role is ideal for engineers who thrive on hands-on coding, technical depth, and building complex distributed systems.
Key Responsibilities- Design, develop, and optimize high-performance microservices using Java and Spring Boot.
- Write clean, maintainable, and testable code with a strong focus on scalability, reliability, and performance.
- Take ownership of services end-to-end—from design and implementation to deployment, monitoring, and ongoing operations.
- Collaborate with architects and senior engineers on system design, technical reviews, and problem-solving.
- Ensure services meet SLAs, performance metrics, and security standards.
- Contribute to improving CI/CD pipelines, automation, and observability to reduce manual effort and improve service reliability.
- Provide technical guidance and mentorship to mid-level and junior engineers through code reviews, pairing, and knowledge sharing.
- Stay current with evolving technologies and help evaluate and adopt tools that strengthen our platform.
- Must Have: Strong debugging and problem-solving skills, with the ability to dive deep into complex production issues.
- Must Have: 3–6 years of software development experience building Java microservices.
- Must Have: Deep expertise in Java with strong experience in Spring Framework or Spring Boot.
- Proven ability to build and operate distributed, cloud-native microservices at scale.
- Must Have: Strong experience with Google Cloud Platform (GCP) services, including GKE, CockroachDB, and Redis.
- Desired: Experience with Kubernetes, containerization, and CI/CD pipelines (GitLab or similar).
- Solid understanding of system design, data structures, algorithms, and performance optimization.
- Understanding of product architecture.
- Exposure to voice and telephony systems (SIP, RTP, IVR, call routing) or real-time communication platforms.
- Experience building latency-sensitive, high-throughput systems.
- Familiarity with Looker, analytics pipelines, and large-scale reporting systems.
- Familiarity with Agile methodologies and tools such as Jira, Confluence, and end-to-end testing frameworks.
Languages & Frameworks
- Java
- Spring Framework
- Spring Boot
Cloud & Infrastructure
- Google Cloud Platform (GKE, Pub/Sub, BigQuery, CockroachDB, Redis)
- Kubernetes
DevOps & CI/CD
- Git
- GitLab CI/CD
Collaboration & Documentation
- Swagger
- Jira
- Confluence
Hardware
- Apple MacBook options available
As a Senior Software Engineer at Five9, you will work on the core backend services that power our global cloud contact center platform. You will have the opportunity to solve complex engineering challenges at scale while remaining deeply involved in hands-on software development. Working alongside a highly talented engineering team, you will help build highly scalable cloud-native services, mentor fellow engineers, and contribute to a culture that values craftsmanship, innovation, technical excellence, and continuous learning.
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.
Skills Required
- 7+ years experience in Business Intelligence, Analytics Engineering, or Data Engineering roles
- Proven experience designing dimensional data models for analytics and dashboards
- Expert-level SQL with demonstrated experience on column-based analytical databases
- Strong hands-on experience with BigQuery and Google Cloud Platform
- Experience building and maintaining Looker dashboards and LookML models
- Demonstrated ownership of metric definitions and data documentation
- Strong attention to detail and commitment to data correctness and consistency
- Excellent communication skills and a strong sense of ownership
Five9 Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Five9 and has not been reviewed or approved by Five9.
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Healthcare Strength — Employer-paid employee premiums, multiple plan options, and broad coverage across medical, dental, vision, disability, FSAs, and EAP are emphasized as core elements of the package. These features position healthcare as a standout component of total rewards.
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Equity Value & Accessibility — Equity grants and an ESPP are highlighted as meaningful parts of total compensation. Feedback suggests these stock components can materially enhance overall pay when company performance is favorable.
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Fair & Transparent Compensation — Public job postings include salary ranges and company materials describe formal peer benchmarking of pay. These practices indicate structure and visibility around compensation decisions.
Five9 Insights
What We Do
Five9 is an industry-leading provider of cloud contact center solutions, bringing the power of cloud innovation to more than 2,000 customers worldwide and facilitating billions of customer engagements annually. The Five9 Intelligent Cloud Contact Center provides digital engagement, analytics, workflow automation, workforce optimization, and practical AI to help customers reimagine their customer experience. Designed to be reliable, secure, compliant, and scalable, the Five9 platform helps increase agent and supervisor productivity, connects the contact center to the business, and ultimately deliver tangible business results including increased revenue and enhanced customer trust and loyalty
