Senior Software Engineer, Fullstack

📋 Description

• Develop high-quality, scalable, and responsive software using modern technologies.
• Write clean, efficient, and maintainable code using industry best practices.
• Partner with cross-functional teams to onboard, share knowledge, and align on current responsibilities and priorities.
• Participate in regular team meetings and manager 1:1s to ensure alignment, growth, and continuous improvement.
• Create clear technical documentation, reusable patterns, and examples to scale knowledge across engineering teams.
• Leverage AI tools (e.g., Claude, Cursor) to accelerate development, research, documentation, and bug triage while maintaining high standards of quality and security.

🎯 Requirements

• 6+ years of professional software development experience.
• Strong coding skills with Node.js for backend.
• Deep expertise in JavaScript/TypeScript, HTML/CSS, and at least one modern frontend framework (e.g., React); understanding of state management, accessibility, performance, and security basics.
• Experience designing and implementing APIs and services; solid grasp of system design and data modeling.
• Proven ability to design, build, and deploy high-quality software.
• Proficient in English.

🎁 Benefits

• AI-powered development tools like Cursor IDE and GitHub Copilot to help you write better code faster.
• Box Poland benefits overview page and office policy details.
• Work from the office a minimum of 3 days per week with focus on Tue/Wed/Thu.