Senior Full Stack Developer For Ai Powered Video Avatar Project (Remote)

Senior Full Stack Developer For Ai Powered Video Avatar Project | Ailuna GmbH | Austria Job Title:Senior Full-Stack Developer for AI-Powered Video Avatar ProjectProject OverviewWe’re building an interactive video-avatar system that listens, thinks, and speaks in real time. Using cutting-edge AI components—VAD (Voice Activity Detection), SST (Speech-to-Text), LLM (Large Language Model), and TTS (Text-to-Speech)—the avatar will engage users in fluid, natural conversation. We need a full-stack developer to integrate AI services, and ensure seamless streaming and infrastructure management.Key ResponsibilitiesArchitect & Implement the end-to-end solution: voice capture → VAD → SST → LLM → TTS → video avatar renderingIntegrate with Agent SDK for conversational logicDesign & Maintain PostgreSQL schemas and optimized queriesLeverage the OpenAI API (or equivalent LLM endpoints) for dialogue generationBuild a responsive Angular front-end for avatar display and user interactionContainerize services using Docker, ensuring reproducible deploymentsImplement low-latency, bidirectional data channels via WebSockets and WebRTCManage AWS infrastructure: EC2, Lambda, RDS, S3, IAM, networkingDevelop & Maintain CI/CD pipelines and DevOps workflows in GitHub ActionsMonitor & Optimize performance on NVIDIA AI Platform (if available)Required Skills & ExpertiseAgent SDK – deep familiarity integrating conversational agent frameworksPostgreSQL – schema design, indexing, performance tuningOpenAI API (or similar) – prompt construction, rate-limit handlingAngular – TypeScript, components, state managementDocker – Dockerfiles, Compose, CI/CD integrationPython – building backend microservices, scripting integrationsPrompt Engineering – crafting prompts for accurate, context-aware responsesWebSockets – real-time messaging patternsWebRTC – peer-to-peer streaming, signaling workflowsAWS Management – configuring and maintaining AWS services, IaC (CloudFormation/Terraform)DevOps – CI/CD, monitoring, logging, and infrastructure automationGitHub – version control, pull-request workflows, GitHub ActionsNice-to-HaveNVIDIA AI Platform – deploying and scaling GPU workloadsAI Model Training – fine-tuning or training custom speech/vision modelsRxPy – reactive programming patterns in Python workflowsWhat We’re Looking For5+ years of full-stack development experience, with proven end-to-end project deliveryStrong portfolio or GitHub showcasing AI/ML integrations, streaming apps, or real-time UIsDemonstrated DevOps expertise and AWS infrastructure managementExcellent communication and autonomy—able to break down tasks, estimate timelines, and deliver under deadlinesPassion for cutting-edge AI and interactive mediaProposal InstructionsPlease include in your proposal:Relevant Experience: Highlight projects using Agent SDK, real-time streaming, AI pipelines, and AWS/DevOps.Technical Approach: Brief outline of how you’d structure the voice-to-avatar pipeline and infrastructure.Availability: Estimated weekly hours and timezone overlap with CET.Portfolio Links: GitHub repos, live demos, or case studies. Show more Show less