Senior Full Stack Developer
B
Be in IT to butikowa firma rekrutacyjna IT.Software Development
Warszawa, Country code: PLContractSenior
Salary125 - 142 GBP per week b2b currencySource=conversion; 146 - 165 EUR per week b2b currencySource=conversion; 138 - 156 CHF per week b2b currencySource=conversion; 170 - 192 USD per week b2b currencySource=conversion; 630 - 714 PLN per week b2b currencySource=original
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Job Details
- Languages
- English B2/C1
- Required Skills
- DockerPostgreSQLPythonFlaskJavascriptKubernetesSnowflakeFastAPINext.jsReact
Requirements
- Commercial experience in full stack development using Python (backend) and JavaScript (frontend).
- Hands-on experience with FastAPI and Flask for building REST APIs.
- Hands-on experience with React and Next.js, including SSR/SSG, routing, and state management.
- Expert knowledge of PostgreSQL and Snowflake, including schema design and performance tuning.
- Proficiency in Docker and best practices for containerization.
- Experience with Kubernetes including deployments, services, ingress, scaling, and debugging.
- Deep understanding of RESTful API design, authentication (JWT/OAuth2), and security best practices.
- Proven experience performing code reviews in large, long-standing repositories.
- Excellent knowledge of Git workflows.
- Practical experience with CI/CD tools such as GitHub Actions or GitLab CI.
- English language proficiency at B2 or C1 level.
Responsibilities
- Develop and maintain cloud and data platforms as a full-stack developer.
- Build backend services using Python with FastAPI and Flask.
- Develop dynamic user interfaces using React and Next.js, including SSR/SSG and state management.
- Design database schemas and perform query optimization and performance tuning for PostgreSQL and Snowflake.
- Manage application containerization with Docker and deployments/scaling in Kubernetes.
- Implement and maintain CI/CD pipelines using GitHub Actions or GitLab CI.
- Manage API authorization and authentication mechanisms including JWT and OAuth2.
- Conduct code reviews in large, established code repositories.
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