Senior Software Engineer (Backend)

Job Description Posted Thursday, February 19, 2026 at 5:00 AM

Who we are Lipdub AI is revolutionizing AI-powered lip-syncing and voice generation, creating hyper-realistic, seamless audio-visual experiences. We leverage cutting-edge machine learning, deep learning, and real-time inference to bring next-gen media technology to life.

We are looking for a

Senior Software Engineer (Backend)

who is passionate about building robust, scalable, and high-performance backend infrastructure to support our AI-driven media applications.

Who we need As a Senior Software Engineer (Backend) at LipDub AI, you will be responsible for developing and maintaining end-to-end backend services and APIs that ensure the seamless scalability, performance, and reliability of our AI-driven media platform. You will collaborate with ML engineers, fullstack developers, and product teams to power state-of-the-art models for real-time video lip-sync, dubbing, and personalization applications.

What you bring Architect scalable Python backends for lip-sync processing, APIs, and data pipelines integrating LLMs/vision models.

Optimize for low-latency inference on cloud (AWS/GCP), with Kubernetes/Docker for production reliability.

Partner with ML/fullstack teams to ship robust, observable features for dubbing and avatars.

Requirements 6+ years backend (Python primary), GenAI experience (LangChain/RAG) highly preferred.

Deep skills in databases (PostgreSQL/Pinecone), async processing, and high-scale systems.

Startup agility with strong code review and debugging habits.

What happens next After we receive your application, it will be reviewed by the team. We will then invite successful candidates to interview with the team. All interviews are conducted via Google Meet. This process is subject to change at any time but will follow as close to the above as possible at all times.

At MARZ, we are an equal opportunity employer that values diversity and does not discriminate on any protected characteristic as defined by applicable law. We are committed to providing reasonable employment accommodations as per the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act.

We will also look to provide reasonable accommodations as required for applicants to participate in the application and interview processes. Please let us know if you require any accommodation(s). We can be reached via email at jobs@marzvfx.com, via the Contact Us page on our company website, or via phone at +1 (416) 840-5556. Please note that we cannot accept general applications via any of these contact methods; they are specifically for providing support and/or accommodations to those who require such assistance.

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