Backend Engineer

By joining as a backend engineer on our live streaming team, you'll be working on SignStream 12 our product that takes audio, text or video input and outputs AI-generated sign language translations as MP4, HLS streams and more. You'll be instrumental in reducing latency, implementing new streaming protocols, and building the foundations of our real-time delivery infrastructure.

Personal Requirements

• 3-5 years of backend engineering experience
• Strong proficiency in Go
• Experience with video streaming protocols (HLS, DASH, or similar)
• Understanding of low-latency systems and performance optimisation
• Experience working with video processing pipelines
• Familiarity with CI/CD pipelines and deployment practices
• Strong communication skills, whether written, verbal or signed
• Comfortable working in an early-stage environment
• Collaborating closely with frontend, QA, and DevOps engineers

Example Responsibilities

Design, implement and build live streaming infrastructure for SignStream. You will do this by:

• Improving end-to-end latency across the translation pipeline
• Implementing new streaming protocols including WebRTC, SRT and low-latency HLS
• Building and optimising video processing pipelines
• Writing performant, maintainable Go code
• Contributing to architectural decisions for real-time delivery systems
• Collaborating with DevOps engineers on infrastructure and deployment
• Ensuring services are monitored, observable and production-ready
• Contributing to discussions on technical feasibility and brainstorming solutions

Knowledge, Skills and Experience

• Experience with WebRTC or SRT
• Experience with low-latency HLS (LL-HLS)
• Familiarity with FFmpeg
• Rust experience
• Experience with real-time audio/video synchronisation
• Understanding of cloud infrastructure (AWS)
• Familiarity with Terraform