Fullstack Engineer - Custody (Remote - US)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Fullstack Engineer - Custody in United States.

This is an exciting opportunity for an experienced engineer passionate about secure systems, blockchain, and high-performance software. As a Fullstack Engineer, you’ll work on designing and building cutting-edge custody and settlement solutions for digital assets. You’ll collaborate with global teams to develop scalable, event-driven systems that ensure trust, transparency, and reliability in the crypto ecosystem. This role combines backend and frontend development using modern technologies, offering a fully remote, collaborative, and innovation-driven environment where your expertise will directly shape the future of crypto custody.

Accountabilities:

• Collaborate with product managers, architects, and DevOps teams to design and deliver secure, scalable, and high-performance custody services.
• Build and maintain backend microservices using TypeScript and Node.js to support custody, staking, and wallet operations.
• Integrate blockchain networks and external systems to manage asset movements, key workflows, and transactions.
• Contribute to frontend development using React and Next.js, ensuring smooth user experience and operational visibility.
• Develop event-driven systems leveraging Kafka for real-time data processing and communication.
• Write reusable, testable, and efficient code with a strong focus on performance, observability, and reliability.
• Participate in technical design reviews, mentor engineers, and take full ownership of services from concept to deployment.

• 5+ years of professional experience in fullstack or backend engineering, preferably in large-scale distributed systems.
• Advanced proficiency in Node.js and TypeScript, with experience in NestJS or similar frameworks.
• Strong understanding of microservices architecture, event-driven systems, and CQRS/DDD design patterns.
• Proven experience designing RESTful APIs and asynchronous communication systems.
• Solid skills in SQL database design and performance optimization.
• Strong knowledge of React, modern frontend frameworks, and Next.js, including state management tools (React Query, Context API, or custom hooks).
• Hands-on experience with Docker, CI/CD pipelines, and observability tools (Prometheus, Splunk).
• Excellent communication and collaboration abilities, thriving in distributed and cross-functional teams.
• Nice to have: familiarity with crypto protocols, staking mechanisms, Rust, or experience in financial or regulated environments.