Backend Developer

Quick Facts

• Role: Backend Developer (Mid/Senior)
• Focus: Oracle infrastructure for blockchain applications

Description

Backend Engineers will build and scale distributed systems that deliver reliable, secure, low-latency blockchain data. The work includes implementing data-fetching, aggregation, and verification pipelines, supporting protocol design and optimization, and deploying and monitoring blockchain nodes. The team emphasizes scalability, ownership, and adapting to new technologies.

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

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 for projects
• Token allocation after 3 months
• High level of ownership and impact
• Work with an international Marketing team and Poland-based Technical team