Manager Application Development

Pennymac (NYSE: PFSI) is a specialty financial services firm focused on the production and servicing of U.S. mortgage loans and the management of mortgage‑related investments. A Typical Day The Opportunity We are seeking a Hands On Manager of Application Development to lead the development of next‑generation communication platforms at Pennymac. The 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 such as 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 (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 (Qualifications) Bachelor’s degree in Computer Science, Engineering, or related field (or 3+ years equivalent experience). 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 integration. Linux systems administration and scripting with Bash/Python. Background in speech analytics, AI‑driven call classification, or real‑time transcription. Benefits Comprehensive medical, dental, and vision coverage. Paid time off programs including vacation, holidays, illness, and parental leave. Wellness programs, employee recognition, onsite gyms and café‑style dining (select locations). Retirement benefits, life insurance, 401(k) match, and tuition reimbursement. Philanthropy programs including matching gifts, volunteer grants, charitable grants, and corporate sponsorships. Compensation Individual salary may vary based on factors such as role, location, market data, and experience. 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

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