Python Backend Developer - AWS

Job Summary:

We are seeking a highly skilled Python Backend Developer with strong experience in building Microservices-based architectures and cloud-native server less solutions on AWS. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems, ensuring high performance and responsiveness to requests from front-end applications and third-party systems.

Key Responsibilities:

  • Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django)
  • Build and deploy microservices that are scalable, loosely coupled, and independently deployable
  • Develop and manage serverless applications using AWS Lambda, API Gateway, DynamoDB, S3, SNS, SQS, and Step Functions
  • Implement event-driven architectures and data processing pipelines
  • Collaborate with front-end developers, DevOps, and product teams to deliver high-quality software
  • Ensure code quality through unit testing, integration testing, and code reviews
  • Automate deployments using CI/CD pipelines and Infrastructure as Code (IaC) tools like CloudFormation or Terraform
  • Monitor, debug, and optimize backend systems for performance and scalability

Required Skills & Experience:

  • 7+ years of backend development experience using Python
  • Strong experience in designing and implementing microservices
  • Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc.
  • Proficient in RESTful API design, JSON, and OpenAPI/Swagger specifications
  • Experience with asynchronous programming in Python (e.g., asyncio, aio FastAPI)
  • Knowledge of CI/CD tools (e.g., GitHub Actions, Jenkins, CodePipeline)
  • Familiarity with Docker and containerized deployments
  • Strong understanding of software design patterns, clean code practices, and Agile methodologies

Nice to Have:

  • Experience with GraphQL or gRPC
  • Exposure to monitoring/logging tools (e.g., CloudWatch, ELK, Prometheus)
  • Knowledge of security best practices in API and cloud development
  • Familiarity with data streaming using Kafka or Kinesis
Company
Response Informatics
Location
City of London, Greater London, UK
Posted
Company
Response Informatics
Location
City of London, Greater London, UK
Posted