Top Tech Jobs & Startup Jobs in Seattle, WA

Build and maintain automated test suites for smart contracts and UIs, integrate testing into development, track bugs, improve frameworks, and ensure test coverage for new features.

Lead and scale non-engineering functions by designing operational frameworks, overseeing finance and crypto treasury, managing legal/regulatory counsel, building international HR and remote-first practices, and translating CEO vision into measurable operational roadmaps to support rapid global growth.

Design and implement core Web3 protocol features and secure smart contracts. Develop and deploy Solidity-based contracts, ensure scalability and performance, review code, mentor junior engineers, and collaborate across teams to integrate blockchain and DeFi solutions.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Drive institutional client acquisition and onboarding across the CIS region, targeting hedge funds, family offices, and prop trading firms. Act as strategic partner, promoting liquidity, API infrastructure, and bespoke trading services. Shape product via client feedback, represent the exchange at regional events, and grow institutional volume and AUM.

Lead protocol and backend engineering for a high-performance Solana-based DEX. Architect and implement low-latency trading infrastructure in Rust, develop core exchange primitives (margin, liquidation, liquidity models), audit latency-critical code paths, and mentor teams to maintain rigorous engineering standards and reliability.

Lead end-to-end product design for a founding-stage decentralized identity protocol: establish visual language, prototype features, collaborate cross-functionally, iterate from user feedback, and champion Web3 design standards.

Lead end-to-end product development for a perpetual DEX: define strategy, write PRDs, coordinate cross-functional teams, run user interviews, analyze feedback and analytics, and launch and iterate features to scale product adoption and optimize user experience.

Lead global legal strategy for a crypto-native investment fund, designing fund structures, ensuring AML/KYC and securities compliance, managing deal documentation (SAFEs/SAFTs, token purchases), advising on DeFi-specific legal risks, coordinating with regulators and external counsel, and establishing legal protocols for treasury, token incentive schemes, and corporate governance.

Lead global legal and compliance for a crypto exchange, advising on regulatory matters, drafting bilingual contracts, overseeing cross-jurisdictional compliance, coordinating international counsel, mitigating legal risk, and monitoring evolving digital-asset regulations.