Top Tech Jobs & Startup Jobs in Seattle, WA

As a Staff Full Stack Engineer, you will lead complex projects for the lending platform, mentor engineers, and drive system optimization while collaborating with cross-functional teams.

Lead authentication fraud strategy to minimize ATO and scam losses while optimizing customer experience. Build data-driven detection, monitoring, graph analysis, and AI-integrated risk workflows. Partner with product, data, ops, and IT to implement analytics, alerts, and operational processes for authentication risk.

Build and maintain resilient backend services and APIs for fraud detection, identity verification, and transaction monitoring. Integrate third-party risk/compliance platforms, partner with product and engineering teams, contribute to architecture decisions, and produce documentation to ensure secure, reliable systems at scale.

The Corporate Strategy Lead will define business priorities, evaluate fintech trends, develop frameworks, and lead strategic initiatives for OnePay.

The Product Support Engineer will bridge the gap between Engineering and Customer Experience, resolving production issues, using AI for improvements, and consulting with Operations to automate processes.

Lead visual concepting and execution for paid social campaigns across static, motion, and video. Direct shoots and UGC, build scalable creative systems and templates in Figma, and collaborate with Growth and Brand to ensure on-brand, performance-aware social creative. Use AI tools to accelerate exploration and maintain high craft standards.

Lead day-to-day disputes operations and strategy, drive AI/LLM-driven automation, optimize tooling and vendor performance, perform root cause analysis, and partner cross-functionally to improve dispute workflows, compliance, and customer outcomes.

As a Full Stack Engineer, you will develop and implement features, APIs, and products, collaborating with cross-functional teams to enhance customer experiences.

Lead the embedded finance distribution strategy, build partnerships, oversee product success, and drive growth in payments and HR tech ecosystems.

Lead accounting policy and financial reporting at OnePay, ensuring compliance with US GAAP, overseeing financial statements, and partnering cross-functionally to support growth.