Loora

Staff Backend Developer

Loora

full-time

Posted on:

Location Type: Hybrid

Location: Tel Aviv • Israel

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Job Level

Lead

Tech Stack

AWSCloudDockerDynamoDBGRPCKafkaKubernetesMongoDBPostgresPythonRabbitMQRedis

About the role

  • Design, develop, and maintain high-performance backend services and APIs (REST and gRPC) that power AI-driven conversational experiences.
  • Build and optimize asynchronous Python applications capable of handling real-time audio/text processing at scale.
  • Ensure seamless, low-latency integration between mobile and web clients and our AI backend platform.
  • Drive technical decisions on system architecture, focusing on low latency and fault-tolerance.
  • Collaborate with AI/ML, mobile, DevOps, and product teams to deliver end-to-end solutions that delight our users.
  • Work within CI/CD workflows to ensure smooth deployments and maintain high code quality standards.
  • Establish engineering best practices and mentor team members to build a world-class engineering culture.
  • Optimize system performance and resource utilization while maintaining reliability SLAs for our growing user base.

Requirements

  • Minimum of 8 years of experience designing and developing scalable, distributed backend systems in one or more modern programming languages (Python is a plus).
  • Deep expertise in Python concurrency and execution models (WSGI, ASGI, asyncio, multiprocessing, threading, GIL).
  • Proven track record building production-ready asynchronous Python applications serving high-volume traffic.
  • Strong experience with Pydantic and FastAPI in production environments.
  • Expertise in designing and implementing RESTful APIs and gRPC services with strong emphasis on versioning strategies and backward/forward compatibility.
  • Demonstrated ability to solve complex performance, scalability, and workload distribution challenges.
  • Proficiency with relational and non-relational database solutions (PostgreSQL, Redis, DynamoDB, MongoDB), including query optimization and data modeling.
  • Experience with event-driven architectures and message queuing systems (Kafka, RabbitMQ, AWS SQS).
  • Hands-on experience with Docker, understanding of CI/CD pipelines and methodologies, and working in Kubernetes/AWS-based deployments.
  • Strong proficiency with AWS cloud services and cloud-native architectures.
  • Understanding of observability practices (distributed tracing, metrics, logging) and experience with monitoring tools.
Benefits
  • Professional development
  • Mentorship opportunities
  • Flexible working arrangements
  • Cutting-edge technology
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Pythonasynchronous programmingRESTful APIsgRPCPydanticFastAPIdatabase solutionsevent-driven architectureDockerAWS
Soft Skills
collaborationmentorshiptechnical decision-makingproblem-solvingcommunication