Senior Backend Engineer, Audio Processing

Corti; København; On-site; DKK 70,000 - 90,000; Full time

Benefits offered by this job

Equipment provided by Corti

Job summary

Corti is seeking an engineer for building high-scale audio processing infrastructure crucial for communication centers, including emergency dispatch and hospitals. The full-time position, based in Copenhagen, focuses on integrating AI into existing infrastructures that handle over 100,000 calls per day. Candidates should have mastery in Golang, a deep understanding of SIP/SIPREC protocols, experience in cloud computing, and a passion for clean coding. Corti operates in a hybrid environment and values diversity in applicants.

Qualifications

• Master of Golang with deep understanding of network protocols.
• Proven track record of building and scaling foundational infrastructure.
• Experience running, monitoring, and operating REST and event-driven architecture.

Responsibilities

• Architect and maintain systems processing over 100,000 calls per day.
• Develop foundational infrastructure using network protocols such as SIP and SIPREC.
• Integrate AI capabilities into low-latency, high-throughput audio processing pipelines.

Skills

Golang

Network protocols (SIP, SIPREC)

Cloud computing architecture

Containers and orchestration tools

Real-time audio processing

Tools

WebSockets

Kafka

CockroachDB

WebRTC

Job description

Overview

We are on a mission to ensure everyone has access to medical expertise, no matter where they are.

Half the world still lacks access to quality healthcare. Even in advanced systems, outcomes are uneven, and clinicians are overwhelmed. Medical knowledge grows faster than human capacity can keep up.

Corti exists to close that gap. Our AI platform expands access to medical expertise, reducing errors, restoring time to clinicians, and making care more affordable, accessible, and human again.

There is no quality healthcare without a quality dialogue, and no reliable AI without a strong foundation. Help us build both.

Why Corti?

Corti is the frontier lab for clinical-grade AI. We build world‑leading models and infrastructure that power healthcare’s most ambitious software— from EHR vendors and virtual care platforms to the health systems that care depends on. Today, Corti serves over 100 million patients annually, including the NHS.

Our flagship model, Symphony, is trained and validated on real clinical data from real patient interactions, and powers the clinical and administrative work that healthcare runs on.

We power the builders who are redefining how healthcare works, from startups creating new patient experiences to enterprises modernizing the systems that care depends on.

If you believe that AI purpose‑built for medicine will define the next century of healthcare, you belong at Corti.

The Role

We are looking for an engineer passionate about building the next generation of high‑scale audio processing infrastructure for communication centers that form a vital part of our critical infrastructure—including emergency dispatch centers and hospitals. You will be responsible for integrating AI capabilities into environments dominated by network protocols like SIP and SIPREC, ensuring robust and scalable performance at the heart of life‑critical operations.

What you will be doing:

• Architect and maintain systems processing over 100,000 calls per day.
• Develop foundational infrastructure using network protocols such as SIP and SIPREC.
• Integrate AI capabilities into low‑latency, high‑throughput audio processing pipelines.
• Collaborate with the Platform Engineering team with a commitment to engineering excellence to ensure system reliability and scalability.
• Hands‑on development of an innovative solution where design choices matter.
• Work with colleagues in design and code reviews.
• Contribute to a strong culture of development at Corti through mentorship of developers at all levels.

What you bring:

• Master of Golang.
• Deep understanding of network protocols, specifically SIP and SIPREC.
• Proven track record of building and scaling foundational infrastructure.
• Experience in ideating and implementing features with high complexity.
• Hands‑on experience with cloud computing architecture and development.
• Experience running, monitoring, and operating REST, WebSockets, Kafka or an event‑driven architecture.
• Experience with containers and orchestration tools.
• A passion for writing clean and efficient code.
• Experience with WebSocket, gRPC and CockroachDB is a significant plus.
• Experience with real‑time audio processing and WebRTC is a significant plus.
• Excellent English verbal and written communication skills, including all‑remote communication.

Life at Corti

• You will be reporting to the Director of Platform Engineering.
• The position is full‑time and starts as soon as possible.
• Hybrid working environment in Copenhagen.
• Equipment provided by Corti.

Bringing in top talent from all backgrounds is crucial in our pursuit to improve the world of healthcare. We encourage applications from all people and do not discriminate based on race, religion, national origin, gender, sexual orientation, age, and/or disability status.

At Corti, experience comes in many forms, and we’re passionate about creating teams with a multitude of perspectives! If you believe your experience is close to what we’re looking for but not an exact match, we still hope you’ll consider applying!