Software Engineer
Cisco Systems (Sweden) Aktiebolag · Stockholm · Tills vidare · Deadline 2026-11-29
Cisco Systems is seeking a **Software Engineer** to join the Webex Media engineering team based in Stockholm. Working in a startup-like environment within a global organization, the role focuses on crafting real-time meeting and hybrid collaboration technologies. Core responsibilities include designing, implementing, and optimizing **VoIP audio algorithms**—such as adaptive jitter buffers, packet loss concealment, and codec pipelines—alongside automating development workflows, conducting peer code reviews, and participating in agile ceremonies like stand-ups, planning, and retrospectives. Applicants must hold an **MSc or equivalent** in software engineering or a related field. Essential requirements include hands-on experience developing VoIP or real-time audio algorithms in production environments, proficiency in C/C++ with strong algorithmic and design pattern knowledge, experience with media streaming protocols, and professional English communication skills. Candidates are also expected to use AI responsibly and critically review AI-generated code. Preferred qualifications include applying AI or machine learning to audio algorithms, evaluating audio using metrics like POLQA and PESQ, experience with performance-sensitive code paths, and familiarity with production A/B testing.
Meet the Team
Join Cisco's Webex Media engineering site in Stockholm, where we craft the meeting experience that connects people and businesses around the world. We are a highly motivated, startup‑like team within a global organization, combining the impact and resources of Cisco with the agility and camaraderie of a smaller group. Our work powers the shift to a hybrid workforce and aims to make people feel truly connected. You’ll find a friendly, supportive environment that celebrates creativity, growth, and a shared passion for building world‑class real‑time audio algorithm experiences.
Your Impact
- Design, implement, and optimize VoIP audio algorithms—including adaptive jitter buffers, packet loss concealment, and codec pipelines—based on product requirements.
- Perform peer code reviews and automate development workflows and quality gates.
- Participate in agile ceremonies including daily stand‑ups, planning, releases, and retrospectives.
- Collaborate across teams to broaden technical and soft skills through training and mentoring.
Minimum Qualifications:
- MSc (or equivalent) in Software Engineering or a related field.
- Hands-on experience developing VoIP or real‑time audio algorithms (e.g., adaptive jitter buffer, packet loss concealment, codec integration) in production systems.
- Proficiency in C/C++ with strong knowledge of data structures, algorithms, and design patterns.
- Experience with media streaming and relevant protocols for real‑time applications.
- Professional verbal and written communication skills in English.
- Uses AI responsibly to accelerate development.
- Critically reviews AI-generated code before using it.
Preferred Qualifications:
- Experience applying AI/ML to audio algorithm development or optimization in production voice systems.
- Experience evaluating and tuning audio algorithms using objective metrics (e.g., POLQA, PESQ) and subjective listening tests.
- Experience with close‑to‑real‑time systems and performance‑sensitive code paths.
- Comfort with incremental development, testing, and A/B testing in production.
- Collaborative, friendly, and self‑directed; eager to learn and share knowledge.
- Steers AI effectively via context and prompt design.
Why Cisco?
At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.
Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.
We are Cisco, and our power starts with you.