Senior Backend Developer
New
Warszawa, Fryderyka Chopina 2, Gdańsk, Fryderyka Chopina 2, Wrocław, Fryderyka Chopina 2, Poznań, Fryderyka Chopina 2, Kraków, Fryderyka Chopina 2, Warszawa, Country code: PLFull-TimeSenior
Salary6,000 - 7,000 USD per month
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Job Details
- Languages
- English B2
- Required Skills
- AWSPostgreSQLPythonDjangoElasticSearchGitRedisCI/CDRESTful APIs
Requirements
- Experience working as a Back-End or Full-Stack Developer in a SaaS environment.
- Strong knowledge of Python 3.10+ and Django 4.x / Django REST Framework.
- Experience with PostgreSQL, Redis, and/or Elasticsearch/OpenSearch.
- Familiarity with Celery, SQS/SNS, and AWS services such as ECS, Lambda, S3, and RDS.
- Experience with Git, CI/CD processes, and Agile/Scrum development.
- Strong debugging and problem-solving skills with attention to performance and reliability.
Responsibilities
- Design and build RESTful APIs using Python 3.10+ and Django 4.x / Django REST Framework.
- Create scalable data models and efficient queries using PostgreSQL, Redis, and Elasticsearch/OpenSearch.
- Build background jobs and asynchronous tasks using Celery, SQS, and Lambda.
- Integrate AWS services such as S3, SNS/SQS, CloudFront, ECS, and RDS into application workflows.
- Take part in code reviews and maintain clean, secure, and well-documented services.
- Work with DevOps to improve CI/CD pipelines and infrastructure automation.
- Help plan system architecture, scalability, and performance improvements.
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