As a Core Developer in a contract role, the successful candidate will design and implement core node infrastructure for the Polkadot network, collaborating with design and engineering teams to ensure fast, reliable, and resilient network communication while working remotely. Key responsibilities Design and implement core node infrastructure that powers the Polkadot network Collaborate with design and engineering teams to see the direct impact of your work Work on networking, syncing, and tooling to maintain network performance and resilience Required qualifications Strong understanding of system design and ability to work with complex systems Experience in autonomous problem-solving and ownership of work outcomes Ability to collaborate in an open-source culture and engage in peer reviews Good communication skills for presenting work in accessible formats Experience in developing software for decentralized applications is a plus