fullstack engineer for crypto custody

Payward Services is an enterprise infrastructure platform that enables companies to integrate trading, payments, funding, and digital asset services through a unified system. It provides liquidity, custody, compliance, risk management, and settlement capabilities for fintechs, banks, brokerages, and payment providers.

• Collaborate with product managers, architects, and DevOps engineers to design and deliver secure, scalable, high-performance custody solutions
• Build and maintain backend microservices in TypeScript and Node.js for custody, staking, and wallet services
• Integrate blockchain networks and external systems to support asset movements, transactions, and key management workflows
• Contribute to React and Next.js frontend applications, ensuring operational visibility and a seamless user experience
• Develop event-driven systems using Kafka for real-time data processing and inter-service communication
• Write reusable, testable, efficient code that meets standards for performance, observability, and fault tolerance
• Collaborate across teams to design and optimize data models, APIs, and distributed architectures
• Participate in technical reviews, mentor other engineers, and own services throughout their lifecycle, from RFCs and design to deployment and maintenance

• 3+ Years of professional experience in fullstack or backend engineering within high-scale, high-availability systems
• Expert-level proficiency in Node.js and TypeScript, with hands-on experience using NestJS or similar frameworks
• Deep understanding of microservices, event-driven architectures, and CQRS/DDD design patterns
• Proven ability to design and deliver RESTful APIs and asynchronous event-based communication systems
• Strong experience with SQL databases and schema design for performance and reliability
• Solid understanding of React and modern frontend best practices
• Deep knowledge of state management, including React Query, Context API, and custom hooks
• Experience with Next.js, Tailwind CSS, and component-driven architecture
• Hands-on experience with Docker, CI/CD, and observability tools such as Prometheus and Splunk
• Excellent collaboration and communication skills for working effectively in distributed, cross-functional teams
• Будет плюсом: understanding of crypto protocols, staking mechanisms, and the broader blockchain ecosystem; experience with gRPC and Protocol Buffers; hands-on experience with Rust; background in financial systems and digital assets, and experience in custodial or other regulated environments

• Applications are accepted on an ongoing basis unless a specific application deadline is stated
• Candidates may redact or remove resume information identifying age, date of birth, or dates of attendance at or graduation from an educational institution
• Qualified applicants with criminal histories are considered in accordance with the San Francisco Fair Chance Ordinance
• Candidates may be asked to complete job-related skills or work-style assessments as part of the hiring process. Assessments evaluate role-relevant competencies, are applied consistently to candidates for similar roles, and are considered alongside experience and interviews; they are not the sole basis for employment decisions
• The employer is committed to equal opportunity and does not tolerate discrimination or harassment based on protected characteristics under federal, state, or local laws