Five9 · 19 hours ago
Senior Software Development Engineer - Professional Services
United States
Full-time
Hybrid
Mid, Senior Level
$115K/yr - $274K/yr
5+ years expFive9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. The role of Senior Software Development Engineer involves managing short-term development projects, gathering customer requirements, and implementing solutions using various technologies.
Call CenterCustomer ServiceEnterprise SoftwareSaaSSales
Responsibilities
Gather and document customer business requirements
Analyze integration feasibility and design solutions leveraging APIs
Develop and implement web applications, services, and system integrations
Communicate technical solutions clearly to both technical and non-technical stakeholders
Document solution requirements and features in a Statement of Work for customer review and acceptance
Estimate project timelines, level of effort, and delivery schedules accurately
Manage multiple concurrent projects and tasks effectively
Qualification
Required
Strong problem-solving and communication skills
Ability to articulate issues, present solution options, and recommend the best course of action
Self-starter with strong time management skills and the ability to work independently
Familiarity with call center technology (Genesys, Avaya, Cisco, Aspect, etc.) and computer telephony concepts
Understanding of cloud-based technologies (AWS, SaaS, PaaS, etc.) and API interfaces (SOAP, REST, AJAX, WebSockets)
Proficiency in Unix-based operating systems
5+ years of experience in application or integration software development related to Computer-Telephony Integration (CTI) with systems such as Cisco ICM/UCCE, Genesys, or Avaya
3+ years of experience developing web-based applications (HTML5, JavaScript) with frameworks and libraries such as jQuery, Backbone.js, Bootstrap, RequireJS, Ext JS, or Marionette
1+ years of experience with web application hosting services such as Heroku, OpenShift, or self-hosted Node.js services
Experience integrating with CRMs, Marketing Automation, or Lead Management systems (Salesforce, MS Dynamics, NetSuite, Oracle Service Cloud, Zendesk, Velocify, etc.)
BA/BS degree or equivalent work experience required
Benefits
Health, dental, and vision coverage, beginning on the first day of employment.
Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost.
Short & Long-Term Disability
Basic Life Insurance
401k saving plan with employer matching
Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents
Generous employee stock purchase plan
Paid Time Off
Company paid holidays
Paid volunteer hours
12 weeks paid parental leave
Company
Five9
Five9 is a cloud-based call center software company that specializes in sales, marketing, and customer service. It is a sub-organization of Five Rivers Solutions.
1001-5000 employees
H1B Sponsorship
Five9 has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (13)
2024 (15)
2023 (13)
2022 (20)
2021 (15)
2020 (15)
Funding
Current Stage
Public CompanyTotal Funding
$861.6MKey Investors
Oaktree Specialty LendingSapphire VenturesAdams Street Partners
2024-02-28Post Ipo Debt· $747.5M
2014-04-04IPO
2014-03-10Debt Financing· $30M
Leadership Team
Jonathan Rosenberg
CTO and Head of AI
Jim Alexander
VP, PMO and Quality Engineering
Recent News
2025-12-19
thefly.com
2025-12-18
2025-12-17
Company data provided by crunchbase