Core Developer - Polkadot Runtime
Parity
Posted: November 6, 2025
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Required Skills
Job Description
About Us
Parity is one of the world’s most experienced companies building the core infrastructure behind blockchain - the system that allows information and value to be shared securely without needing an intermediary. We’re laying the foundation for a better web which respects the freedom and data of individuals, and empowers developers to build better, more trustworthy online services.
Our remote-first, global team develop open-source software that anyone can use or improve. This includes Polkadot, the Polkadot SDK and Kusama - key parts of the Web3 tech stack, the next generation of the internet. Our mission is to make Polkadot the most active and innovative community in blockchain, powering a new era of connected and decentralised applications.
About the Team
This role sits in our Acceleration department, home to the people who drive ecosystem growth by building tools, integrations, and partnerships across the Polkadot network.
About the Role
As a Core Developer within the Runtime function you'll collaborate with product, design, and engineering teams to build and maintain core protocol functionality that is foundational to creating truly decentralised and resilient applications.
What You’ll Do
We are looking for new engineers to join the team. In these positions, you will:
• Design and implement cutting edge protocols that will be used for the Polkadot protocol and teams building applications on it
• Collaborate with product development teams and see direct impact of your work
• Work on tooling and abstractions that enable joyous applications
Your Skills
• Work autonomously and solve problems independently
• Collaborate with others in an open-source culture, work well with peer review as a reviewer and reviewee
• Possess a good understanding of system design and an ability to work with complex systems
• Take ownership of their work and be responsible for outcomes
• Have good communication skills and can present work in “plain English” in blog posts or conferences
About Working With Us
Joining Parity means joining team mates who are genuinely excited about the impact their projects are having, and the opportunity to grow alongside some of the brightest minds in the Web3 space! You’ll work remotely and flexibly, while still getting to meet your team mates throughout the year at team and company-wide retreats.
Upon receiving an offer, all candidates undergo a background check through Zinc, our trusted third-party provider. Team members will be taken on as a contractor via our UK entity.
View our Applicant Notice to see how we use your data.
Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.
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