Top Tech Jobs & Startup Jobs in Boston, MA

Lead institutional business development in Japan by identifying, engaging, and onboarding banks, asset managers, securities firms, and insurers. Serve as senior client contact, tailor custody, API, and prime brokerage offerings with product teams, ensure FSA/JVCEA compliance, and represent the exchange at Japanese finance events to build trusted partnerships.

Audit ZK-circuits and cryptographic primitives to ensure security and efficiency, perform code reviews, evaluate protocols, collaborate across teams, and track advances in ZK technology.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Own end-to-end market strategy and growth for North America and LATAM: drive trading volume, user acquisition, partnerships, localized marketing, community and VIP engagement, monitor market and regulatory trends, and report on core KPIs while coordinating with global teams.

Lead growth initiatives for a hardware wallet's software ecosystem by optimizing onboarding funnels, leveraging analytics (Mixpanel, Amplitude), collaborating with cross-functional teams, conducting market research, and implementing strategies to boost user engagement and retention.

Design and implement high-throughput Solana smart contracts and core exchange logic in Rust. Build AMMs and hybrid liquidity models, implement funding rate mechanisms, architect margin systems and liquidation engines, perform rigorous audits, translate research/economic models into production, and optimize protocol execution for the Solana Virtual Machine for security and performance.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Provide legal support for a cross-border blockchain payments fintech: draft and review contracts, monitor SEC and MiCA regulatory changes, advise on crypto/fintech matters, conduct legal research, and ensure internal compliance.

Independent full-cycle recruiter managing sourcing, client engagement, offer negotiation, and placements using AI-driven tools. Acts as commercial advisor, provides market insights, and maintains self-directed billing and activity in a results-only, remote environment.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.