Top Tech Jobs & Startup Jobs in Seattle, WA

Lead solutions engineering for a crypto wallet infrastructure platform, helping financial institutions and enterprises integrate and deploy secure systems. Architect legacy and cloud-native integrations, troubleshoot technical issues, create proposals, demos, RFP responses, documentation, and code examples, and collaborate with sales, engineering, security, product, and customers. Provide technical leadership, gather market feedback, support product improvements, and represent the company as a technical thought leader.

Own and optimize CRM data, lead generation workflows, sales and marketing automation, lead scoring, segmentation, database enrichment, integrations, dashboards, and KPIs. Partner with sales and marketing to improve data quality, targeting, nurturing, and deal acceleration. Train teams on CRM best practices, identify process gaps, and implement workflow improvements across the go-to-market technology stack.

Architect and build the Solver framework powering NEAR Intents, including solver competition, quote aggregation, execution workflows, and cross-chain infrastructure. Lead technical design, code reviews, architectural decisions, and globally distributed collaboration while ensuring low-latency, high-throughput performance. Shape solver economics and cryptoeconomic incentives, remain hands-on with coding and prototyping, and address complex distributed systems and blockchain challenges.

Lead the design, development, and launch of secure iOS and Android wallet applications. Own mobile features end to end, refine React Native and cross-platform SDKs, improve performance and architecture, and deliver fintech-grade UX and authentication. Collaborate with product and design, document technical work, review code, and mentor teammates while applying expertise in WebAuthn, passkeys, fintech or blockchain applications, and secure mobile development.

Lead development of high-performance Solana validator infrastructure using Rust, with exposure to C-based Firedancer. Refactor and design modular distributed systems, interpret protocol specifications, maintain performant code, automate security testing and benchmarking, participate in architecture discussions and code reviews, and mentor engineers. The role requires deep Solana ecosystem expertise, validator experience with Agave and Firedancer, scalable distributed-systems development, and blockchain security knowledge.

Build and extend scalable backend API integrations for the Hyperliquid ecosystem, supporting same-chain and cross-chain trading, routing, orderbooks, TWAP, and perpetuals. Collaborate with product managers and backend engineers on system design, feature proposals, code reviews, documentation, and reliable infrastructure. The role requires strong TypeScript backend experience, EVM integration knowledge, familiarity with Hyperliquid protocols, and comfort working independently in a remote team.

Design, maintain, optimize, and scale cloud infrastructure and deployment systems for a cryptocurrency and digital asset platform. Responsibilities include infrastructure automation, system monitoring and reliability, CI/CD pipeline management, and implementing security best practices. The role requires strong DevOps experience, blockchain infrastructure knowledge, familiarity with multiple blockchain ecosystems, and understanding of blockchain security, cryptography, and consensus models.

Lead development of a blockchain-based order book DEX, combining hands-on full-stack coding with technical team leadership. Coordinate front-end and back-end teams, resolve technical blockers, improve development processes, support protocol operations, and collaborate with product leadership on priorities, estimates, and timelines. The role requires extensive React, TypeScript, and Solidity experience, blockchain and EVM expertise, and experience operating live Web3 products.

Develop and operate a live DeFi order book DEX protocol, combining backend, blockchain, and full-stack coding with DevOps and operational process improvements. The role requires understanding the complete protocol stack, resolving technical blockers, collaborating with product teams, estimating development work, and balancing short-term priorities with long-term goals.

Design, build, and scale distributed backend services supporting hundreds of thousands of users. Develop efficient Golang and Python code, optimize infrastructure, make architectural decisions, conduct code reviews, and collaborate with frontend and mobile engineers. The role also involves technical planning, platform innovation, and contributing to product evolution in an autonomous startup environment.