Senior Full-Stack Software Developer

Quick Facts

• Role: Senior Full-Stack Software Developer (B2B contract)
• Work mode: Hybrid (2–3 days in the office in Warsaw)
• Focus: AI-integrated web applications and system architecture

Description

Design, develop, and maintain web applications with both backend and frontend responsibilities. Build and evolve the backend in Python and work with Node.js and React on the frontend. Integrate AI solutions into the applications while partnering with clients (including international) and contributing to scalable, secure architecture.

Responsibilities

• Design, develop, and maintain web applications
• Implement solutions for both backend and frontend
• Develop backend components in Python
• Work with Node.js and React
• Design and develop system architecture
• Integrate AI-based solutions with the applications
• Ensure code quality, scalability, and security
• Analyze and solve complex technical problems
• Collaborate with the team on architecture and technology decisions
• Work directly with clients, including foreign clients
• Use AI tools in daily development work

Requirements

• Several years of experience building software
• Very good knowledge of Python
• Experience with Node.js and React (or ability to quickly ramp up)
• Strong software engineering foundations
• Practical interest in AI and desire to grow in this area
• Knowledge of software development best practices, architecture, and coding practices
• Ability to independently analyze problems and find solutions
• English for fluent client communication (minimum B2)

Benefits

• Real impact on technology solutions and system architecture
• Projects in AI and cybersecurity
• Work with fast-evolving technologies
• Experienced technical team and a startup environment with minimal corporate bureaucracy

Additional

If you have a GitHub profile, portfolio, or a project you’re especially proud of, include it in your application.