Senior Fullstack Engineer

Nasze wymagania: Strong, proven experience in software engineering (senior-level or higher) Excellent knowledge of JavaScript and TypeScript Excellent knowledge of Node.js and modern runtimes such as Bun Solid hands-on experience with both React and Vue Deep, practical experience working with APIs Strong understanding of software architecture and system design High standards for code quality, readability, and maintainability Excellent command of AI-assisted development Comfortable working in an English-speaking environment Mile widziane: Experience with DevOps, infrastructure, or production operations Experience working on high-traffic or business-critical systems Background in designing systems that evolve over time rather than one-off projects O projekcie: You will work on complex, API-driven systems where architecture, correctness, scalability, and long-term maintainability matter Using AI for coding, design, refactoring, and problem-solving (vibe coding) is a hard requirement, not a nice-to-have. Zakres obowiązków: Design, develop, and evolve backend and frontend systems used in production Build, extend, and maintain robust APIs (both consuming external APIs and developing internal/public ones) Work daily with AI-assisted development tools as an integral part of your workflow Make architectural decisions with a focus on scalability, performance, and reliability Write clean, maintainable, well-structured code with long-term ownership in mind Collaborate closely with other engineers and product stakeholders in an on-site team Review, validate, and improve AI-generated code to ensure correctness, security, and performance Oferujemy: Work on a modern application A close-knit, experienced, and supportive team Flexible working arrangements Benefits package (including a Multisport card, private medical care with the option to cover a partner and children, and life insurance) All necessary tools required for the job Professional onboarding and preparation for the role