[Hiring] Senior Node.js Developer @Poland and Eastern Europe

Role Description

You will be:

• Developing and maintaining scalable backend and frontend applications using modern technologies.
• Enhancing and expanding campaign management, audience targeting, and indexing capabilities within a large-scale advertising platform.
• Partnering with cross-functional teams and stakeholders to translate business requirements into effective technical solutions.
• Contributing to the architecture, performance, reliability, and continuous improvement of critical services within the ad delivery ecosystem.
• Participating in code reviews, technical discussions, and engineering initiatives to maintain high software quality standards.
• Supporting production systems and ensuring operational excellence through participation in an on-call rotation for business-critical services (once a month).

Qualifications

• At least 6+ years of experience in software development using Node.js, TypeScript, and React.
• Proven ability to solve complex technical problems and deliver high-quality solutions.
• Experience with, or willingness to learn, AWS cloud services.
• Good understanding of CI/CD pipelines and software delivery best practices.
• Commitment to writing maintainable, scalable, and well-tested code.
• Ability to work independently and contribute to technical decision-making in a senior role.
• Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.
• Work from the European Union region and a work permit are required.

Requirements

• Nice to have experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
• Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

Recruitment Process

• CV review
• HR call
• Interview
• Client Interview
• Decision