Top Blockchain Jobs in Boston, MA

Contract Helpdesk Specialist / Junior Systems Administrator providing Tier 1–2 end-user support and foundational systems administration focused on Microsoft 365. Tasks include provisioning and imaging laptops, managing M365 accounts and mailboxes, administering Entra ID/Active Directory, troubleshooting Teams/SharePoint/OneDrive/Outlook, and assisting with VPN/Wi‑Fi and device MDM.

Design, build, and scale backend Node.js services and APIs for high-availability fintech infrastructure. Implement blockchain integrations, tokenization workflows, permissions and transaction systems, and operational tooling. Improve observability, deployment automation, performance, and system reliability while collaborating with product and engineering teams on architecture and technical decisions.

Lead QA for a remote auction marketplace: design and run manual and automated tests for REST APIs and React UIs, build and maintain automation frameworks and test environments, integrate testing into CI/CD, triage defects with engineering, and adopt AI-assisted testing workflows.

Lead digital marketing and branding for a Web3 RWA DEX: develop campaigns, manage SEO/SMO and analytics, optimize social channels and ads, run content/backlink strategies, host community events, drive inbound lead generation and partnerships, and ensure luxury-market positioning and event presence (especially MENA).

Oversee liquid portfolio management by developing strategies, managing risks, and leading investment decisions while ensuring alignment with company goals.

Lead design, development, testing, and maintenance of high-performance Android and iOS mobile applications. Collaborate with designers, product managers, and engineers to implement intuitive UIs, integrate RESTful APIs and third-party services, optimize performance and security, participate in code reviews, troubleshoot issues, and stay current with mobile technology trends.

The Staff Performance Engineer will optimize latency-critical systems at Helius, focusing on design for low-latency environments, mentoring engineers, and leading performance strategies.

Socket Labs seeks passionate individuals to join their small team in building infrastructure for developers and users in the crypto space.

The role involves driving trading volume for crypto-native firms, establishing sales methodologies, and enhancing customer experience through collaboration across departments.

The Social Media Manager will create and manage engaging content across platforms, analyze performance metrics, align strategies with business goals, and enhance brand presence in the crypto market.