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Python Developer with React – GenAI

Sii Sp. z o.o.Kraków, Lesser Poland, Poland

30+ days ago

Job description

technologies-expected :

Python
FastAPI
JavaScript
TypeScript
React.js
MongoDB
Docker

about-project :

Join us at the forefront of generative AI innovation. In cooperation with one of our clients, we are building a suite of tools enabling users to generate images, video, audio, and vector graphics—all in one seamless experience. As part of our team, you’ll contribute to the development of systems powering AI models, helping ensure they meet real-world user needs. This role involves collaboration on creative tools, scalable backend systems, and user-friendly interfaces.

This position requires availability to work evening hours overlapping the Pacific Time.

responsibilities :

Design and implement full-stack features in a high-impact, production-grade environment

Collaborate with AI researchers and product teams to evaluate and improve generative AI models

Build scalable systems for data collection, visualization, and analysis

Optimize the performance of web applications handling high user traffic

Contribute to code quality through reviews, testing, and documentation

requirements-expected :

At least 5 years of experience in software development in Python

Good front-end development skills using React.js

Experience of working with NoSQL databases

Demonstrated experience building full-stack web applications from the ground up

Familiarity with scalable architectures and performance optimization techniques

Availability to work evening hours (with overlap with Pacific Time)

Very good knowledge of the English language

Residing in Poland required

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Python Developer • Kraków, Lesser Poland, Poland

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