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SNI

Senior Fullstack Developer (Python + React)

Poznań
Wrocław
Gdańsk
10 days ago

In short

Senior Fullstack Developer (Python + React) needed in Poznań. Responsibilities include designing, developing, and maintaining full-stack solutions, refactoring data science POCs, building APIs, and implementing React UIs. Requires 5+ years of Python/React experience and AWS knowledge.

AI-written summary based on the listing content.

SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.

Responsibilities:

Design, develop, and maintain full-stack solutions across Python backend services and React frontend applications.

Refactor and transform exploratory data science POCs, scripts, and Streamlit prototypes into production-grade systems.

Build, maintain, and optimize RESTful APIs to connect backend logic, AI services, and frontend interfaces.

Implement responsive, component-based React user interfaces that expose AI-driven features to end users.

Partner with Cloud Engineers to manage deployment setups, runtime architectures, environments, and CI/CD pipelines on AWS.

Establish code quality, security, observability, scalability, and technical standards across the full stack.

Collaborate with Data Scientists, AI Engineers, Cloud Engineers, and Product Owners to digitize enterprise procurement processes.

Skills:5+ years of professional full-stack development experience using Python and React.

Hands-on proficiency with modern Python web frameworks and RESTful API architecture.

Strong experience with React, state management, custom hooks, API integration, and component-based UI design.

Practical experience building and deploying applications in AWS environments, using Git, and working in agile teams.

Proven ability to translate experimental code and data science notebooks into maintainable, scalable software.

Fluent English communication skills (written and spoken).

Nice to Have:

Exposure to AI/ML systems, model-serving components, LLM workflows, or AI output data visualization.

Experience with cloud data platforms like Snowflake or data-intensive pipeline architectures.

Familiarity with Docker, containerization, and automated CI/CD deployment pipelines.

Experience with enterprise integration patterns and SAP-related interfaces (OData, APIs, IDoc, RFC, BAPI).

Understanding of secure API design, authentication, and enterprise authorization patterns.

Follow us on Linkedin! http://linkedin.com/company/snisourcing

Published 2026-09-09
Expires 2026-10-31
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