Senior Software Engineer / Tech Lead (Python / React)
New
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People MoreSoftware Development
Warszawa, Kraków, Poznań, Wrocław, Gdańsk, PLContractSenior
Salary23,520 - 31,920 PLN per hour
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Job Details
- Languages
- English C1, Polish B2
- Required Skills
- DockerPythonJavascriptMicrosoft SQL ServerFastAPIReact
Requirements
- Experience in developing and maintaining production software systems.
- Very good knowledge of modern, typed Python.
- Experience with FastAPI, Pydantic, SQLAlchemy, or similar technologies.
- Very good knowledge of Microsoft SQL Server and T-SQL, including query optimization, indexing, and execution plan analysis.
- Experience with database schema design and working with large datasets.
- Experience with Docker and multi-service environments.
- Practical knowledge of React and JavaScript.
- Ability to analyze existing solutions and assess their quality, performance, and architecture.
- Strong analytical skills and ability to understand complex business processes.
- Excellent communication skills.
- Very good English (C1) and Polish (B2).
Responsibilities
- Develop and maintain backend services, frontend applications, and data pipelines.
- Build backend solutions in Python using FastAPI, Pydantic, and SQLAlchemy.
- Analyze and optimize Microsoft SQL Server databases, including queries, indexes, and execution plans.
- Support frontend applications developed with React and JavaScript.
- Develop and maintain processes responsible for supplying the platform with market data.
- Support quantitative models used for valuation, risk management, and market analysis.
- Review solutions delivered by the Central IT team and identify technical, performance, and architectural issues.
- Act as a technical link between the local office in Switzerland and the Central IT team in Greece.
- Support Docker-based deployments and multi-service environments.
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