Senior AWS Full Stack Developer (Python+React)

Quick Facts

• Role: Senior AWS Full Stack Developer (Python+React)
• Scope: Full stack development combining Python backend and React frontend
• Collaboration: Data Science, Cloud Engineering, product stakeholders

Description

Senior AWS Full Stack Developer will design, develop, and maintain full stack solutions with backend services in Python and frontend applications in React. The role focuses on turning exploratory POCs, models, and notebook outputs into production-ready, maintainable systems, building REST API interfaces and integrations, and delivering AI-enabled user-facing functionality. You will also implement backend business logic with reliability, performance, and maintainability, and coordinate cloud deployments and CI/CD with Cloud Engineers.

Responsibilities

• Long-term cooperation in an international consulting environment
• Design, develop, and maintain full stack solutions (Python backend, React frontend)
• Collaborate with Data Scientists to convert POCs/models/notebooks into production systems and pipelines
• Build and develop REST API interfaces supporting frontend features and integrations
• Implement responsive, user-friendly React frontends integrating with backend APIs and enabling AI-based functionality
• Implement backend business logic with focus on reliability, performance, and maintainability
• Collaborate with Cloud Engineers on deployment architecture, environment configuration, and CI/CD execution
• Refactor experimental data science code (e.g., notebooks, scripts) for production use
• Contribute to technical decisions and co-create backend/frontend architecture
• Ensure components meet requirements for security, observability, scalability, and operational support
• Participate in testing, troubleshooting, optimization, and continuous improvement of dev and deployment environments

Requirements

• 5+ years of full stack development experience
• Solid practical experience with Python (backend) and React (frontend)
• Practical experience with a modern web framework for Python
• Strong experience designing, creating, and maintaining REST API interfaces
• Solid experience building modern component-based React applications (state management, hooks, API integration)
• Practical experience with AWS and cloud application environments
• Experience converting exploratory/experimental code (e.g., Streamlit) into production systems
• Good knowledge of full stack architecture, system integration patterns, and interface design
• Experience with Git and agile software development methodologies
• Very good communication skills in English
• Readiness for hybrid work
• English knowledge at B2 or C1 level for smooth communication in an international environment
• Preferred ASAP availability; acceptable notice period up to max one month with effect at month-end

Benefits

• Long-term cooperation with remuneration 140–180 PLN net/hour + VAT
• Support in setting up and running a business (for people without such experience)
• Efficient recruitment process: two technical interviews with managers (online, max 1 hour each)
• Hybrid work model: 3 days/week in the office, 2 remote (Wrocław, Poznań, or Gdańsk)
• Benefits: private medical care, Multisport card
• Modern equipment provided with software and configuration