Backend Developer

Responsibilities: — Implement data-fetching, aggregation, and verification pipelines — Participate in protocol design and optimization processes — Deploy and monitor blockchain nodes to ensure network stability and reliability Requirements: — Strong commercial backend development experience — Experience designing and building scalable software — Ability to write clean, maintainable and secure code — Strong sense of ownership and responsibility for delivered solutions Nice to have: — Experience building distributed systems — Experience with blockchain technologies or DeFi — Experience running blockchain nodes — Knowledge of modular blockchain architecture (rollups, sidechains, etc.) — Participation in programming competitions or hackathons Benefits: — Competitive B2B compensation (Mid: 20,000–30,000 PLN/month; Senior: 30,000–40,000 PLN/month) — Remote work and flexible working hours — Coworking space access in Warsaw — Full technical setup and equipment — Token allocation after 3 months — High level of ownership and impact — Opportunity to work with international Marketing and Poland-based Technical teams