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September 15, 2026
Senior Full-Stack (React + Python) Engineer
Senior • Remote
20,496 - 26,086 PLN/yr
Kraków, Poland
Quick Facts
- Senior Full-Stack Engineer (70% frontend / 30% backend)
- AI-powered document processing and automation platform
Description
We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of an AI-driven document processing platform. The role delivers scalable APIs, data workflows, and UI components for document automation features, internal tools, and operational dashboards, collaborating with product, architecture, GenAI, and platform engineering teams. The position is hands-on and requires designing, developing, and deploying production-grade systems in cloud environments (preferably AWS).
Responsibilities
- Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks).
- Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks).
- Develop and integrate REST APIs and microservices with strong performance, reliability, and observability.
- Collaborate with GenAI engineers to integrate AI-driven features and document-processing flows.
- Implement data processing pipelines for structured and unstructured data.
- Work with AWS.
- Contribute to platform architecture, design patterns, and technical decision-making.
- Write automated tests and ensure high code quality, maintainability, and security.
- Partner with product managers, designers, and QA engineers to deliver solutions on time.
- Document code, service interfaces, workflows, and architectural decisions.
Requirements
- 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles.
- Solid experience in Python (FastAPI, Flask, Django, or similar).
- Strong proficiency with TypeScript and modern front-end frameworks (React, Next.js, or similar).
- Hands-on experience designing and implementing microservices, APIs, and backend systems.
- Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore).
- Experience with any cloud providers (AWS/Azure/GCP).
- Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices.
- Strong understanding of software engineering principles: scalability, reliability, performance, and security.
- Experience working in agile, cross-functional teams on complex products.
- Excellent communication skills and ability to work with technical and non-technical stakeholders.
Benefits
- Contribute to an AI-driven document automation platform used across multiple business units.
- Work with a cross-functional team (product, architecture, GenAI, platform engineering, design, QA).
- Build scalable production systems in cloud environments with modern engineering practices.
- Opportunity to integrate GenAI-driven features into real document-processing workflows.
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