Senior Node.js Developer

AdTonos is an innovative audio technology company revolutionizing the advertising landscape. We empower global brands with targeted campaigns across podcasts, gaming, and music, reaching over 450 million unique listeners monthly while scaling our infrastructure to handle massive traffic.

Key responsibilities

• Tackle high-traffic challenges by managing systems that process hundreds of millions of HTTP requests and messages daily.
• Lead greenfield projects with a high degree of autonomy and design new features to scale our platform.
• Continuously refactor and improve our codebase and architecture to ensure optimal performance and maintainability.
• Provide in-depth code reviews and engage in pair programming to support the growth of your teammates.

Requirements

• Minimum 5 years of commercial experience in backend development.
• Proficiency in TypeScript, ES6+, Node.js, and Fastify.
• Strong expertise in SQL and NoSQL database design, including replication and sharding.
• Proven ability to scale web applications through load balancing and optimization.
• Good command of English (B2 level or above).

What we offer

• Engagement in challenging, high-traffic projects that push the limits of modern audio technology.
• A rich and diverse tech stack including Kafka, MongoDB, ClickHouse, and Redis.
• High levels of autonomy and ownership over technical decisions in a self-organized team.
• Opportunities for professional development within a fast-growing, innovative startup environment.