Core Developer - Platform
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Position Overview & Specifications
Parity is one of the worldβs most experienced companies building the core infrastructure behind blockchain - the system that allows information and value to be shared securely without needing an intermediary. Weβre 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.
Β About the TeamThis 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 RoleWe are looking for new engineers to join the Platform function. In these positions, you will:
Design and implement the shared infrastructure and services that the Polkadot platform is built on
Build the SDKs and APIs that developers use to create and deploy applications on the platform
Work on the user agents that run these applications on web, desktop and mobile
Help keep the platform secure, reliable, and able to scale to a large number of users
Work autonomously and solve problems independently
Care about the developers who use your work, and build interfaces that are stable and easy to use
Collaborate with others in an open-source culture
Take ownership of your work and be responsible for outcomes
Have good communication skills and can present work in "plain English" in blog posts or conferences
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Candidate Selection & Onboarding Process
Application & Resume Screening
Submit your tailored CV/Resume directly to the talent acquisition portal.
Technical & Competency Interviews
Virtual interviews with the hiring manager and multidisciplinary team.
Formal Offer & Benefits Negotiation
Written agreement outlining compensation, equity, retirement vesting, and relocation allowances.
Onboarding & Corporate Integration
Equipment provisioning, team orientation, and commencement of duties.
United States Work Authorization & Sponsorship Guide
Under United States immigration law (INA Β§ 101(a)(15)(H)), foreign nationals seeking full-time professional positions typically navigate either non-immigrant specialty occupation classifications or immigrant visa sponsorship:
Requires a relevant Bachelor's degree or higher. Employers must file an approved Labor Condition Application (LCA) with the US Department of Labor confirming the prevailing wage rate.
Canadian and Mexican citizens qualify under USMCA (TN status). F-1 STEM graduates benefit from 36-month aggregate work authorization through E-Verify enrolled employers.
Candidate Preparation Blueprint: Technology
Based on transatlantic hiring benchmarks for Core Developer - Platform roles across Parity's corporate sector, successful applicants typically excel across three core dimensions:
Demonstrated portfolio evidence, architecture/system design case studies, or validated professional certifications directly applicable to Technology.
STAR method competency responses highlighting cross-functional leadership, conflict resolution, and delivering measurable enterprise ROI under tight timelines.
Total compensation expectation aligned within the benchmarked Salary Disclosed on Application bracket, including retirement vesting and health parity.
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