Senior Real-Time VoIP Audio Engineer

Cisco; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Job summary

Cisco's Webex Media engineering team in Stockholm is seeking a senior software engineer to design, implement, and optimize real-time VoIP audio algorithms. You will work on adaptive jitter buffers, packet loss concealment, and codec pipelines in production systems.

You will collaborate across teams, review AI-assisted code responsibly, and participate in agile ceremonies. A MSc in software engineering and strong English communication are required.

Qualifications

• 7+ years of professional software development experience (MSc or equivalent).
• Hands-on experience developing VoIP or real-time audio algorithms in production systems.
• Proficiency in C/C++ with strong knowledge of data structures, algorithms, and design patterns.
• Experience with media streaming and real-time protocols.

Responsibilities

• Design, implement, and optimize VoIP audio algorithms based on product requirements.
• Perform peer code reviews and automate development workflows and quality gates.
• Participate in agile ceremonies including stand-ups, planning, releases, and retrospectives.
• Collaborate across teams to mentor and share knowledge.

Skills

C/C++

VoIP real-time audio

Data structures

Algorithms

Design patterns

English communication

AI literacy

AI code review

Education

MSc in Software Engineering or related field

Job description

Cisco's Webex Media engineering team in Stockholm is seeking a senior software engineer to design, implement, and optimize real-time VoIP audio algorithms. You will work on adaptive jitter buffers, packet loss concealment, and codec pipelines in production systems.

You will collaborate across teams, review AI-assisted code responsibly, and participate in agile ceremonies. A MSc in software engineering and strong English communication are required.