EngineeringNot provided by source

Staff Software Engineer - Core Backend | India

Five9 · Not provided by source

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Last seen by MeritLog September 9, 2026Source: GreenhouseSource version: greenhouse-job-board-v1

MeritLog read this listing from Five9's Greenhouse job board and last checked it on September 9, 2026.

Source: the employer's Greenhouse job board. Open the original listing for current details.

Job details

Work model: Not provided by source
Salary: Not listed by source
Location: India, Bengaluru
Occupation: Software Developers(O*NET 15-1252.00)

Hiring context

How this role compares at Five9

Five9 has 121 live roles in MeritLog’s catalog across 10 job families, and 52 of them are in engineering. 0 of those listings publish a pay range, a disclosure rate of 0%.

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Counted across the job boards MeritLog tracks, at the time this page was served. Pay comparisons use only listings that publish a complete range in the same currency and period.

What the role asks for

What you'd do

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

What they're asking for

Strong debugging and problem-solving skills, with the ability to dive deep into complex production issuesSkill
7–10 years of development experience in Java microservicesExperience
Deep expertise in Java, with strong experience in Spring / Spring BootSkill
Proven ability to build and operate distributed, cloud-native microservices at scaleSkill
Strong experience with GCP services (GKE, Pub/Sub, BigQuery, CockroachDB, Redis)Skill
Experience with Kubernetes, containerization, and CI/CD pipelines (GitLab or similar)Skill
Practical knowledge of SQL and NoSQL databases and caching strategiesSkill
Solid understanding of system design, data structures, algorithms, and performance optimizationSkill
Understanding of product architectureSkill
Comfortable leveraging agentic coding tools and AI-assisted development environments to enhance productivity and code qualitySkill
Experience in latency-sensitive, high-throughput systemsSkillPreferred
Familiarity with Looker, analytics pipelines, and large-scale reporting systemsSkillPreferred
Familiarity with Agile methodologies, JIRA, Confluence, and end-to-end testing practicesSkillPreferred
Exposure to frontend technologies such as React and TypeScriptSkillPreferred
Languages & Frameworks: Java, Spring, Spring BootSkillPreferred
Cloud & Infrastructure: GCP (GKE, Pub/Sub, BigQuery, CockroachDB, Redis), KubernetesSkillPreferred
DevOps & CI/CD: Git, GitLab CI/CDSkillPreferred
Collaboration & Documentation: Swagger, JIRA, ConfluenceSkillPreferred

Parsed by MeritLog from the employer’s own posting. The full description follows below.

Job description

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. Overview As a Staff Engineer at Five9, you will work on core backend services that power our global cloud contact center platform. You will tackle complex engineering challenges at scale, remain deeply involved in coding, and contribute to a culture that values craftsmanship, innovation, and technical excellence-while mentoring others and shaping best practices. What You’ll Do • 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 What You Bring • Strong debugging and problem-solving skills, with the ability to dive deep into complex production issues • 7–10 years of development experience in Java microservices • Deep expertise in Java, with strong experience in Spring / Spring Boot • Proven ability to build and operate distributed, cloud-native microservices at scale • Strong experience with GCP services (GKE, Pub/Sub, BigQuery, CockroachDB, Redis) • Experience with Kubernetes, containerization, and CI/CD pipelines (GitLab or similar) • Practical knowledge of SQL and NoSQL databases and caching strategies • Solid understanding of system design, data structures, algorithms, and performance optimization • Understanding of product architecture • Comfortable leveraging agentic coding tools and AI-assisted development environments to enhance productivity and code quality Nice to Have • Experience in latency-sensitive, high-throughput systems • Familiarity with Looker, analytics pipelines, and large-scale reporting systems • Familiarity with Agile methodologies, JIRA, Confluence, and end-to-end testing practices • Exposure to frontend technologies such as React and TypeScript Technology & Tools • Languages & Frameworks: Java, Spring, Spring Boot • Cloud & Infrastructure: GCP (GKE, Pub/Sub, BigQuery, CockroachDB, Redis), Kubernetes • DevOps & CI/CD: Git, GitLab CI/CD • Collaboration & Documentation: Swagger, JIRA, Confluence 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.

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