Senior Python Backend Engineer

Orga AI, headquartered in Palma de Mallorca, builds real-time AI systems that see, listen, and speak. Our mission is to enable people to interact with technology in a fluid and natural way through the multimodality of AI. ️ Responsibilities

• Design and optimize Python 3.11 / FastAPI / asyncio-based APIs and microservices powering our SDK and TTS engine.
• Integrate and scale audio-video components (WebRTC, WebSockets) to maintain latency below 300 ms.
• Implement secure and scalable architectures in AWS EKS + Fargate, using IaC (Terraform) and CI/CD (GitHub Actions).
• Ensure observability with Prometheus/Grafana and maintain defined SLOs.
• Collaborate with the MERN and DevOps teams for efficient continuous deployments.
• Mentor junior team members and participate in code reviews with a focus on best practices.

5+ years of experience building production-grade backends with Python.

Expertise in concurrency and high-performance systems (asyncio, multiprocessing, profiling).

Professional English proficiency and time zone overlap within CET ± 2 hours.

Experience with audio/video streaming or TTS.

Work with LLMs, PyTorch, Transformers, or ONNX Runtime.

Knowledge of Rust or Go for high-performance paths.

Experience leading end-to-end features in fast-paced environments.

100% remote contract, flexible schedule focused on outcomes.

Multidisciplinary team and a culture of continuous feedback.

Interview (40 min)

Technical Deep-Dive (90 min) - Pairing with the CTO, * 5+ years of experience building production-grade backends with Python.

• Expertise in concurrency and high-performance systems (asyncio, multiprocessing, profiling).
• Professional English proficiency and time zone overlap within CET ± 2 hours.

Nice to Have

• Experience with audio/video streaming or TTS.
• Work with LLMs, PyTorch, Transformers, or ONNX Runtime.
• Knowledge of Rust or Go for high-performance paths.
• Experience leading end-to-end features in fast-paced environments.

Orga AI, headquartered in Palma de Mallorca, builds real-time AI systems that see, listen, and speak. Our mission is to enable people to interact with technology in a fluid and natural way through the multimodality of AI. Design and optimize Python 3.11 / FastAPI / asyncio-based APIs and microservices powering our SDK and TTS engine. Integrate and scale audio-video components (WebRTC, WebSockets) to maintain latency below 300 ms. Implement secure and scalable architectures in AWS EKS + Fargate, using IaC (Terraform) and CI/CD (GitHub Actions). Ensure observability with Prometheus/Grafana and maintain defined SLOs. Collaborate with the MERN and DevOps teams for efficient continuous deployments. Mentor junior team members and participate in code reviews with a focus on best practices., Orga AI is a startup founded by Marc Revert (CEO), a 17-year-old entrepreneur, and Julio Roldán (Co-CEO), a seasoned professional with over 30 years of experience. Our international team of 18 members spans the US, Japan, Argentina, Spain, and France. We are part of the Santander X100 program, ranked #55 among the top 100 startups by El Referente, and backed by both public and private funding., Orga AI is a startup founded by Marc Revert (CEO), a 17-year-old entrepreneur, and Julio Roldán (Co-CEO), a seasoned professional with over 30 years of experience. Our international team of 18 members spans the US, Japan, Argentina, Spain, and France. We are part of the Santander X100 program, ranked #55 among the top 100 startups by El Referente, and backed by both public and private funding. Please mention the word **CONVIENIENT** and tag RMzguNjguMTM0LjE5NA== when applying to show you read the job post completely (#RMzguNjguMTM0LjE5NA==). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.Job type:Remote jobTags * dev * python * senior * backend * ops * startup * aws