Senior Backend Data Engineer

Location: Tel Aviv, Israel

Department: R&D

• Design, implement, and maintain scalable and reliable data pipelines and backend systems supporting both operational and analytical needs, with a focus on ML/AI product enablement.
• Ensure data processing is optimized for speed, efficiency, and fault tolerance, enabling seamless integration with AI/ML workflows and reliable performance across all Eleos Health products.
• Monitor and improve uptime, reliability, and observability of our data infrastructure and pipelines.
• Build and maintain systems to ensure data quality, consistency, and usability across the organization, enabling advanced analytics and AI solutions.
• Work closely with product and engineering teams to deliver new features rapidly and with a high standard of technical excellence.
• Drive innovation in how we build, measure, and optimize data features, backend services, and AI product integrations.
• Participate in on-call rotations with a service-oriented approach and fast responsiveness.
• Lead scalability efforts to support increasing data volumes, expanding AI/ML initiatives, and new product launches.

• At least 5 years of experience with Python in backend or data engineering roles, designing and operating large-scale data pipelines, backend services, and data infrastructure in production environments.
• Hands-on experience working on ML/AI-powered products in production, with strong understanding of requirements for integrating data platforms with AI features.
• Familiarity with modern LLM (Large Language Model) and RAG (Retrieval-Augmented Generation) technologies, and experience supporting their deployment or integration.
• Familiar with or have worked with these technologies (or alternatives):
  • Data Processing & Streaming: Apache Spark, DBT, Airflow, Airbyte, Kafka
  • API Development: FastAPI, micro-service architecture, SFTP
  • Data Storage: Data Lakehouse architectures, Apache Iceberg, Vector Databases, RDS
  • ML/AI: ML/LLM libraries and frameworks (such as Gemini, Hugging Face, etc.)
  • Cloud Infrastructure: AWS stack (S3, Firehose, Lambda, Athena, etc.), Kubernetes (K8s)
• Demonstrated ability to optimize performance and ensure high availability, scalability, and reliability of backend/data systems.
• Strong foundation in best practices for data quality, governance, security, and observability.
• Ability to collaborate effectively with engineering, data science, and product teams in a cross-functional setting.
• Track record of innovative thinking on feature-level implementations, metric definitions, and AI/data integrations.
• Service-oriented approach, particularly in high-responsibility, on-call situations.

This is a unique opportunity to join a startup that is having a meaningful impact on the well-being and mental health of thousands. We have

• A product that positively impacts peoples' lives every single day.
• A team of amazing people with a shared vision and the infinite drive to make it happen
• We offer significant equity.
• Opportunity to build, grow and become highly instrumental in shaping how technology can increase the effectiveness of therapy.
• Hybrid work opportunities. 
• Mental health days off you can take any given moment simply because you need them.