Senior Backend Developer — Python / AWS

Senior Backend Developer — Python / AWSLocation: RemoteContract Type: Freelance / B2BStart Date: ASAPDo you want to architect systems that actually move fast?We're hiring a Senior Backend Developer to join a high-performing engineering team building cloud-native, event-driven infrastructure at scale.⚙️ What you'll be working onYou'll own backend services end-to-end — from architecture through to production. That means designing real-time data pipelines with Kafka or Kinesis, running distributed task queues with Celery, and deploying serverless compute on AWS Lambda and ECS (Fargate/EC2).You'll also be leading the shift from legacy monoliths to microservices and event-driven architecture — this isn't maintenance work, it's greenfield engineering with real influence.🛠️ The stackPython (asyncio) · AWS ECS / Lambda · Kafka / Kinesis · Celery · PostgreSQL · S3 · Secrets Manager · Sentry · SonarQube · CI/CDYou're a fit if you have→ 8–10 years of Python backend experience, with strong asyncio fundamentals→ Hands-on AWS experience across ECS, Lambda, and serverless patterns→ Real production experience with Kafka or Kinesis in event-driven systems→ Deep knowledge of Celery for task scheduling and background processing→ PostgreSQL expertise — schema design, joins, and performance tuning→ Experience integrating SonarQube and Sentry into CI/CD pipelines→ Comfortable in Agile teams (Scrum or Kanban) in a multicultural environment