Full-Time

Vice President of Engineering, AI Innovations

Engineering and AI Innovations

Five9

Five9

1,001-5,000 employees

Cloud-based contact center software provider

Compensation Overview

$233k - $512k/yr

+ Annual Performance Bonus + Stock

United States

Hybrid

Hybrid: 3 days in office per week (Tuesday, Wednesday, Thursday) for candidates within 30 miles of a Five9 office; fully remote for those outside the radius.

Category
Engineering Management (1)
Required Skills
TCP/IP
gRPC
WebRTC
FedRAMP
Microsoft Azure
Agile
GitHub Actions
Machine Learning
Computer Networking
Java
RAG
Microservices
AWS
Jenkins
Terraform
Observability
REST APIs
Spinnaker
DevOps
Google Cloud Platform

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Requirements
  • 10+ years experience in engineering management.
  • Experience leading Engineering delivery for Customer Experience AI products, including Agent Assistance, AI Agents, and Conversational Analytics.
  • Deep understanding of modern AI architectures: LLMs, RAG systems, embeddings, vector databases, multimodal models.
  • Practical experience integrating LLMs into production systems, including prompt orchestration, function calling, structured outputs, and multi-agent workflows.
  • Familiarity with model evaluation, A/B testing, safety techniques, latency/throughput trade-offs, and observability for AI systems.
  • Understanding of fine-tuning, distillation, and model optimization (quantization, pruning, MoE, etc.).
  • Expert-level proficiency in Java and JVM-based ecosystems.
  • Strong command of modern distributed systems design: microservices, event-driven architectures, concurrency, and fault tolerance.
  • Experience in development and operations of software in public cloud (AWS, GCP, Azure).
  • Experience building highly scalable, low-latency systems for enterprise SaaS.
  • Strong understanding of API design (REST, gRPC), SDKs, and integrations with enterprise systems.
  • Proficiency with CI/CD (GitHub Actions, Jenkins, Spinnaker, etc.) and Infrastructure as Code (Terraform).
  • Deep knowledge of SRE principles: SLIs/SLOs, incident management, error budgets.
  • Experience running 24×7 production systems at scale, ideally in multi-region global deployments.
  • Expertise in security, privacy, and compliance relevant to CCaaS environments (SOC2, GDPR, HIPAA, FedRAMP preferred).
  • Solid grasp of network fundamentals (TCP/IP, HTTP/2/3, WebRTC basics, load balancing).
  • Engineering Leadership: Proven ability to lead, mentor, and grow high-performing engineering teams across multiple disciplines.
  • Track record of hiring top-tier engineering leaders and technologists.
  • Ability to create a culture of excellence—high velocity, high quality, and accountability.
  • Strong conflict-resolution skills; able to navigate ambiguity and align cross-functional teams.
  • Collaboration & Communication: Exceptional written and verbal communication skills; able to clearly articulate vision, architecture, and trade-offs to both technical and non-technical audiences.
  • Comfortable partnering with Product, Design, Sales Engineering, Customer Success, and Executive Leadership.
  • Ability to inspire teams with a compelling technical vision and roadmap.
  • Customer-Centric Mindset: Deep empathy for customers and agents using Five9’s AI products.
  • Experience engaging customers directly to gather insights and validate direction.
  • Ability to translate customer problems into clear technical strategies and roadmaps.
  • Vision and Strategy: Ability to define and execute the long-range engineering strategy.
  • Strong understanding of the AI competitive landscape; able to guide build-vs-buy decisions and partner evaluations.
  • Experience driving architectural modernization initiatives to scale AI products.
  • Execution & Delivery: Mastery of engineering execution frameworks—OKRs, agile methodologies, metrics-driven management.
  • Ability to balance innovation with reliability, velocity, and long-term maintainability.
  • Skilled in managing large, multi-quarter programs and cross-org dependencies.
  • Budgeting and Resource Planning: proficiency with capacity planning, headcount allocation, staffing strategy, and forecasting infrastructure costs.
  • Experience negotiating vendor contracts, including AI model providers and cloud services.
  • Change Management: ability to lead through rapid growth, shifts in technology, and organizational restructuring.
  • Experience merging teams, establishing new engineering sites, and building distributed engineering organizations.
Responsibilities
  • Lead the team of software developers responsible for Five9’s AI Insights, Agent Assist and GenAI Studio products.
  • Direct the next phase of evolution of these products, significantly expanding their feature sets and capabilities with AI technologies.
  • Expand reach to more customers with better scale and enterprise capability.
  • Take end-to-end ownership, from development through operations.
Desired Qualifications
  • Google Cloud Platform (GCP) experience is a nice-to-have.
  • Experience with applied machine learning for natural language processing, automatic speech recognition and text-to-speech, and natural language understanding; agent-assist use cases preferred.
  • SOC 2, GDPR, HIPAA, FedRAMP compliance knowledge preferred.
  • Any additional details that are not strictly required but beneficial.

Cloud-based contact center software helps businesses manage customer interactions with tools for inbound and outbound calls, including call routing, predictive dialing, IVR self-service, and analytics. The platform is accessed via a web-based suite delivered as a subscription, scalable and globally deployable with strong security. It differentiates itself with a broad feature set in the cloud, enterprise-grade security, and training via Five9 University. The goal is to help organizations improve customer service operations and efficiency by handling all interactions across channels.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

San Ramon, California

Founded

2001

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Simplify Jobs

Simplify's Take

What believers are saying

  • Q2 2026 revenue reached $312.4 million, up 10%, with subscription revenue up 14%.
  • AI revenue hit $39 million in Q2 2026, a 78% jump, above $150 million run-rate.
  • Five9 won a roughly $100 million Fortune 100 financial services contract through Google Marketplace.

What critics are saying

  • Five9 faces Lucid Alternative Fund securities litigation after February 23, 2026 discovery ruling.
  • Tesseract Systems sued Five9 for patent infringement in Delaware on May 27, 2026.
  • Adjusted gross margin fell to 61.4% in Q2 2026, while restructuring pressures persist.

What makes Five9 unique

  • Five9 launched Voice AI Agents on June 23, 2026, replacing scripted IVR.
  • Google Cloud Marketplace listing on January 9, 2026 streamlines enterprise procurement and deployment.
  • Gartner named Five9 a CCaaS Leader for eight consecutive years.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Mental Health Support

Paid Vacation

Paid Sick Leave

Parental Leave

Employee Stock Purchase Plan

Employee Discounts

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
Yahoo Finance
Aug 7th, 2026
Five9's AI revenue soars 78% as firm secures $100M Fortune 100 deal

Five9 reported Q2 2026 revenue of $312 million, up 10% year-over-year and exceeding guidance. Subscription revenue grew 14% year-over-year, marking the third consecutive quarter of acceleration. AI revenue surged 78% year-over-year to approximately $39 million, representing an annual run rate exceeding $150 million. AI now accounts for roughly 15% of total subscription revenue, up from 9% a year ago. The company secured a Fortune 100 financial services customer with approximately $100 million in total contract value, expected to reach $25 million in subscription ARR when fully deployed. The dollar-based retention rate held steady at 107%. Five9 raised its full-year AI growth outlook from over 40% to at least 60%. Full-year 2026 revenue guidance increased to a midpoint of $1.266 billion.

Yahoo Finance
Aug 7th, 2026
Five9 revenue grows 10% to $312M, wins $100M contract through Google Marketplace

Five9 reported second quarter 2026 revenue of $312.4 million, up 10% year-over-year from $283.3 million. Subscription revenue grew 14% year-over-year. The Intelligent CX Platform provider announced a new customer win with approximately $100 million total contract value. The company posted GAAP net income of $3.4 million, or $0.04 per diluted share, compared to $1.2 million, or $0.01 per diluted share, in the same period last year. Non-GAAP net income was $53.5 million, or $0.70 per diluted share, versus $58.3 million, or $0.76 per diluted share, in Q2 2025. Five9 joined the S&P SmallCap 600 on 3 August 2026.

Yarona FM
Aug 7th, 2026
Buy mid-cap AI stock FIVN on solid Q2 earnings, outlook & valuation.

Buy mid-cap AI stock FIVN on solid Q2 earnings, outlook & valuation. Zacks · 07 Aug 2026 Contact center software solutions provider Five9 Inc. FIVN reported second-quarter 2025 adjusted earnings of $0.76 per share, which beat the Zacks Consensus Estimate by 16.9% and jumped 46.2% year over year. Quarterly revenues came in at a record-high of $283.27 million, up 12.4% year over year, beating the Zacks Consensus Estimate by 3%. FIVN's strong performance was driven by a rise in subscription revenues, which grew 16% year over year, supported by traction in Enterprise artificial intelligence (AI) revenues, which climbed 42% year over year. The company provides intelligent cloud software for contact centers in the United States, India and internationally. Extensive AI Adoptions FIVN offers a virtual contact center cloud platform that delivers a suite of applications, enabling a broad range of contact center-related customer service, sales, and marketing functions. FIVN's platform comprises interactive virtual agents, agent assistance, workflow automation, workforce engagement management, AI insights, and AI summaries. It allows the management and optimization of customer interactions across voice, chat, email, web, social media, and mobile channels directly or through its application programming interfaces. FIVN has been benefiting from the growing adoption of AI tools in its call center services, with personalized AI agents emerging as a major growth driver. On Feb. 19, Five9 introduced its Intelligent CX Platform powered by Five9 Genius AI on the Google Cloud space. FIVN also released new Five9 AI agents tailor-made for Google Cloud. Powerful Strategic Partnerships Strategic partnerships contributed significantly to Five9's second-quarter growth. Ties with big names like Salesforce Inc. CRM, Microsoft Corp. MSFT, ServiceNow Inc. NOW, Verint Systems Inc. VRNT and Alphabet Inc. GOOGL helped the company build more tailored AI tools and improve its integration across platforms. This is anticipated to have helped FIVN win new clients and hold on to the existing ones. FIVN ended 2025 on a solid financial footing. It posted a strong 24% adjusted EBITDA margin and $21.6 million in free cash flow in the second quarter. This operational efficiency gives it a cushion to invest further in product innovation and customer acquisition - two key drivers that are likely to contribute significantly to FIVN's growth in the future. Impressive Guidance For the third quarter, Five9 forecasts revenues between $283.0 million and $286.0 million. The Zacks Consensus Estimate is currently pegged at $285.96 million, indicating year-over-year growth of 8.2%. Adjusted earnings per share (EPS) are projected between $0.72 and $0.74. The Zacks Consensus Estimate for adjusted EPS is currently pegged at $0.70, indicating year-over-year growth of 4.5%. The Zacks Consensus Estimate for third-quarter earnings remained the same over the last 90 days. For fiscal 2025, FIVN forecasts revenues between $1.1435 billion and $1.1495 billion. The Zacks Consensus Estimate is currently pegged at $1.14 billion, indicating year-over-year growth of 9.8%. Full-year 2025 adjusted EPS is projected between $2.86 and $2.90. The Zacks Consensus Estimate for adjusted EPS is currently pegged at $2.78, indicating year-over-year growth of 12.6%. The Zacks Consensus Estimate for current-year earnings has improved 0.7% over the last seven days. Moreover for 2026, Five9 has an expected revenue and earnings growth rate of 9.7% and 11.9%, respectively. The Zacks Consensus Estimate for 2026 earnings has improved 1.3% over the last 60 days. At present, FIVN has a projected long-term (3-5 years) EPS growth rate of 15.7%. The broad-market index, the S&P 500, has a growth rate of 12.6%. Lucrative Valuation Five9 is currently trading at an attractive valuation compared to its peers. The stock has a forward price/earnings (P/E) of 8.73X, below the industry's P/E of 27.50X and the S&P 500's P/E of 19.29X. It has a price/sale (P/S) of 1.67X, compared with the industry's P/S of 4.10X and the S&P 500's P/S of 2.99X. Moreover, FIVN has a price/book (P/B) of 2.58X, lower than the industry's P/B of 3.45X and the S&P 500's P/B of 3.43X. Huge Short-Term Price Upside Potential Five9 has been a major laggard year to date as the stock price declined 40.3%. However, the average short-term price target of brokerage firms represents an increase of 51.2% from the last closing price of $24.28. The brokerage target price is currently in the range of $23-$65. This indicates a maximum upside of 167.7% and a minimum downside of 5.3%. This means the risk-reward ratio is currently highly favorable for the stock. FIVN currently sports a Zacks Rank #1 (Strong Buy). You can see the complete list of today's Zacks #1 Rank stocks here. The AI infrastructure space remains rock solid supported by an extremely bullish demand scenario. FIVN is currently one of its top picks in the mid-cap AI infrastructure space. Zacks Investment Research

Yahoo Finance
Jun 28th, 2026
Five9's chief legal officer sells $236K in shares to cover tax obligations

Five9's Chief Administrative and Legal Officer Tiffany Meriweather sold 9,526 shares of common stock valued at approximately $236,000 on 4 June 2026, according to an SEC Form 4 filing. The sale was mandated to cover tax withholding obligations related to restricted stock unit vesting, not a discretionary reduction. The transaction, at a weighted average price of $24.81 per share, falls below Meriweather's average sell-only event size of approximately 12,000 shares but aligns with her recent trading pattern. Following the sale, she retains direct ownership of 271,772 shares worth roughly $6.65 million. Five9's share price has declined 26.73% over the past year, closing at $24.46 on the transaction date. The cloud-based contact centre platform provider reported $1.17 billion in trailing twelve-month revenue.

Associated Press
Jun 23rd, 2026
Five9 launches Voice AI Agents for autonomous customer service with 65% of firms now deploying AI

Five9 has launched Voice AI Agents, a new agentic self-service platform built on purpose-designed architecture for autonomous customer interactions. The system enables AI agents to reason, take action and resolve customer requests whilst supporting seamless handoffs to human agents. The platform features low-latency voice interactions, multilingual support, interruption detection and secure tool calling that allows AI to perform real-time actions like authenticating customers and processing transactions. Built-in guardrails and LLM blinding protect sensitive data whilst maintaining enterprise control. PODS reported exceeding containment targets during early rollout and expects Five9 Voice AI Agents to handle over 100,000 service calls by year-end. Five9 research shows 65% of organisations are implementing AI use cases, with self-service automation ranking amongst top priorities at 42%.