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Freeswitch Jobs in California (NOW HIRING)

Pennymac

Senior Application Developer

Westlake Village, CA · On-site

$131K - $294K/yr

The ideal candidate combines technical expertise in real-time communications and open-source tools like FreeSWITCH , with proven experience delivering enterprise-grade software solutions integrated ...

ServiceTitan

Voice Operations Engineer

Glendale, CA · On-site +1

Experience with Kamailio, FreeSWITCH, Oracle/Ribbon SBCs, or similar open-source/commercial SIP platforms. * Familiarity with containerized environments (Docker, Kubernetes) and infrastructure-as ...

Orum

Senior Software Engineer - Dialer Team

San Francisco, CA · On-site

$144K - $190K/yr

Our current stack includes Node.js, TypeScript, React, Ruby, PostgreSQL, Google Cloud Platform, and FreeSWITCH. The Dialer Team The Dialer team owns the core of Orum's platform, powering millions of ...

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Freeswitch information

See California salary details

$27.6K

$169.4K

$340.5K

How much do freeswitch jobs pay per year?

As of Jul 27, 2026, the average yearly pay for freeswitch in California is $169,404.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $199,800.00 per year, depending on experience, location, and employer.

What is a FreeSWITCH job?

A FreeSWITCH job typically involves working with the open-source telephony platform FreeSWITCH to develop, configure, and maintain VoIP systems. Responsibilities may include building custom call flows, integrating with PBX systems, and optimizing performance for scalable communication solutions. Engineers or developers in this role often work with SIP protocols, scripting languages like Lua or JavaScript, and database management. Experience with networking, APIs, and telecom infrastructure is commonly required.

What are the typical daily responsibilities of a FreeSWITCH Engineer?

A typical day for a FreeSWITCH Engineer involves configuring and maintaining FreeSWITCH servers, troubleshooting VoIP call flows, monitoring system performance, and implementing new features or integrations as needed. You may collaborate with software development teams to create custom modules, provide technical support to users or clients, and ensure high availability of telephony services. Documenting processes and staying updated on the latest FreeSWITCH releases or telecommunications standards are also common tasks. Expect a mix of hands-on technical work, problem-solving, and teamwork in this versatile role.

What are the key skills and qualifications needed to thrive in the Freeswitch position, and why are they important?

To thrive as a FreeSWITCH Engineer, you need deep expertise in VoIP technologies, SIP protocols, and real-time communications systems, often backed by a degree in Computer Science or a related field. Experience working directly with FreeSWITCH, related telephony software, and familiarity with Linux server administration are commonly required, as well as knowledge of scripting languages like Lua or Python. Strong problem-solving abilities, attention to detail, and effective communication skills help facilitate smooth project execution and teamwork. These competencies are critical for designing, deploying, and maintaining robust voice solutions in complex telecommunication environments.

What are popular job titles related to Freeswitch jobs in California? For Freeswitch jobs in California, the most frequently searched job titles are:
What job categories do people searching Freeswitch jobs in California look for? The top searched job categories for Freeswitch jobs in California are:
Freeswitch jobs near you
Infographic showing various Freeswitch job openings in California as of July 2026, with employment types broken down into 85% Full Time, and 15% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $169,404 per year, or $81.4 per hour.
Senior Application Developer

Senior Application Developer

Pennymac

Westlake Village, CA • On-site

$131K - $294K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 29 days ago

Job description

PENNYMAC
Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market.
At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey.
A Typical Day
The Opportunity
We are seeking a Senior Application Developer to lead the development of next-generation Communication Platforms at Pennymac. This role will develop, manage and mentor a talented team of application developers building robust, scalable, and highly available systems. The ideal candidate combines technical expertise in real-time communications and open-source tools like FreeSWITCH, with proven experience delivering enterprise-grade software solutions integrated with platforms such as ZenDesk, ServiceNow, Five9, Zoom, and CallMiner.
You will guide the design, development, and deployment of VOIP/SIP systems, real-time APIs, and customer engagement platforms, driving innovation while ensuring quality, reliability, and performance.
What You'll Do (Responsibilities)
  • Lead, mentor, and develop a team of engineers focused on communication technologies and full-stack development.
  • Set technical direction and ensure adoption of best practices in architecture, security, DevOps, and software delivery.
  • Champion a high-performance, agile development culture aligned with Pennymac's values and technology strategy.
  • Oversee development of complex, enterprise-transforming communication applications using modern tech stacks.
  • Drive the integration of communication platforms (e.g., Zoom, Five9, ZenDesk, CallMiner) with internal systems.
  • Ensure the design and stability of VOIP infrastructure, including SIP servers and FreeSWITCH deployments.
  • Promote the use of design patterns, event-driven architecture, unit testing, and clean code principles across the team.
  • Architect scalable, secure, and cloud-native solutions leveraging containerization (Docker/Kubernetes), CI/CD pipelines, and infrastructure-as-code (e.g., Chef, AWS CDK, Troposphere).
  • Guide incident response and troubleshooting of high-impact production issues with composure and technical depth.
  • Foster observability, monitoring, and performance tuning practices in VOIP and application environments.
  • Work cross-functionally with business stakeholders, Product, QA, and IT to ensure applications deliver measurable business value.
  • Translate business needs into clear technical goals, balancing short-term delivery with long-term maintainability.

What You'll Bring
What We're Looking For (Qualifications)
  • Bachelor's degree in Computer Science, Engineering, or related field.
  • 8+ years of software engineering experience, including 3+ years in technical leadership roles.
  • Proven success leading teams building real-time communication or VOIP-based applications.
  • Hands-on experience with backend development (Go, Python, Node.js) and front-end frameworks (React, TypeScript, JavaScript).
  • Strong understanding of API design, microservices, and distributed systems.
  • Experience working with:
    • FreeSWITCH and SIP protocols
    • Zoom, ZenDesk, Five9, CallMiner or similar communication platforms
    • Cloud infrastructure (AWS preferred)
    • DevOps pipelines and Git-based workflows
  • Knowledge of:
    • Networking protocols (SIP, RTP, TCP/IP, DTMF, QoS)
    • NoSQL databases (MongoDB)
    • Container orchestration (Kubernetes), Docker
    • Infrastructure as code (Chef, AWS CDK, Troposphere)
    • Authentication protocols (OAuth2)
  • Familiarity with Agile and SCRUM methodologies
  • Strong communication and collaboration skills, with a demonstrated ability to work across teams and drive results.

Nice to Haves:
  • Experience with FreeSWITCH module development or customization
  • Familiarity with packet analysis tools (e.g., Wireshark)
  • Prior experience with SMS, contact center, or CRM integrations
  • Linux systems administration and scripting with Bash/Python
  • Background in speech analytics, AI-driven call classification, or real-time transcription

Why You Should Join
As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do. Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported.
Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals for tomorrow, or planning for long-term success and retirement, Pennymac's benefits have you covered. Some key benefits include:
  • Comprehensive Medical, Dental, and Vision
  • Paid Time Off Programs including vacation, holidays, illness, and parental leave
  • Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations)
  • Retirement benefits, life insurance, 401k match, and tuition reimbursement
  • Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships

To learn more about our benefits visit: https://pennymacnews.page.link/benefits
For residents with state required benefit information, additional information can be found at: https://www.pennymac.com/additional-benefits-information
Compensation: Individual salary may vary based on multiple factors including specific role, geographic location / market data, and skills and experience as defined below:
  • Lower in range - Building skills and experience in the role
  • Mid-range - Experience and skills align with proficiency in the role
  • Higher in range - Experience and skills add value above typical requirements of the role

Some roles may be eligible for performance-based compensation and/or stock-based incentives awarded to employees based on company and individual performance.
Salary
$131,500 - $294,000
Work Model
OFFICE

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