Top Tech Jobs & Startup Jobs in Seattle, WA

Design, develop, benchmark, and maintain high-performance Rust infrastructure extending the EVM with security-focused precompiles and parallel processing. Own complex features through delivery, collaborate across teams, review code, fix bugs, and contribute to open-source crypto infrastructure. Apply expertise in Ethereum execution systems, low-level programming, profiling, memory management, testing, databases, concurrency, and performance optimization.

Lead business development and regional expansion across Africa for a crypto wallet infrastructure provider. Own go-to-market strategy, revenue, ARR, enterprise sales, partnerships, RFPs, negotiations, and client expansion across banks, fintechs, and enterprises. Serve as senior regional representative, build regulator relationships, support post-sale success, and collaborate with product and engineering teams. Travel across Africa, monitor market trends, represent the company at industry events, and improve sales playbooks.

Designs and owns complex Rust infrastructure features for a blockchain security framework, including EVM extensions, security-focused precompiles, parallel processing, performance optimization, benchmarking, testing, debugging, and open-source contributions. Collaborates across teams, supports bug fixes, reviews code, and contributes to technical roadmap decisions. The role requires deep Rust and Ethereum expertise, low-level systems programming experience, and strong knowledge of performance optimization, memory management, and concurrent systems.

Own frontend features from concept through launch and iteration. Build web and mobile applications for a wallet-as-a-service platform, develop SDKs and integration tools, and create secure, intuitive fintech-grade user experiences. Collaborate with Product and Design, write documentation, review code, and maintain high standards for architecture, performance, and security.

Owns the complete HR and People Operations function for an international, remote-first scale-up. Responsibilities include recruiting, onboarding, performance management, payroll and benefits, employee relations, compliance, offboarding, engagement, retention, compensation, career development, HR systems, and company culture. The role partners with leadership and legal, organizes retreats and internal events, and builds scalable HR processes as the company grows.

Lead frontend development for a DeFi platform, owning React and TypeScript architecture, Solana integrations, transaction flows, real-time blockchain data, and high-performance user experiences. Collaborate with product, design, and backend teams to deliver features, establish engineering standards, review code, and mentor future frontend hires. The role requires production frontend expertise, deep Solana knowledge, and leadership of projects or teams.

Principal Solutions Engineer responsible for leading client onboarding, designing and presenting blockchain wallet solutions, supporting integrations, troubleshooting technical issues, and providing post-implementation guidance. The role partners with sales, product, engineering, and clients on strategic deals, RFPs, technical proposals, documentation, demos, training, competitive analysis, and product feedback. Strong expertise in TypeScript, APIs, AWS, distributed systems, cybersecurity, and crypto custody is required.

Own backend and AI infrastructure for autonomous trading agents. Build the Go-based agent runtime, execution and data layers, real-time trading systems, deployment platform, model hosting migration, telemetry, CI/CD, monitoring, and incident response. Develop production services primarily in Go, Python, and TypeScript while operating AWS EKS infrastructure. The role requires end-to-end ownership of reliable, low-latency systems managing real-time trading and financially sensitive positions.

Drive Near Intents adoption through partner integrations, technical support, documentation, tutorials, SDKs, and reference implementations. Serve as the primary technical contact for developers and ecosystem partners, troubleshoot integration issues, engage communities across multiple channels, conduct workshops and AMAs, advocate for developer needs, and monitor adoption metrics. The role requires strong TypeScript and software development experience, preferably in Web3 or blockchain, with GCP and Kubernetes experience as a bonus.

Own the company’s ecosystem-driven growth strategy, expand infrastructure adoption across DeFi and application ecosystems, and scale customer acquisition through strategic partnerships. Develop and execute an end-to-end ecosystem strategy, collaborate with technical and cross-functional teams, onboard partners, and drive measurable growth across EVM and Solana ecosystems. The role requires autonomous leadership, strong communication, and deep familiarity with crypto, Web3 infrastructure, and on-chain yield.