Senior Backend Engineer

• Practice Cloud & Infrastructure

• Technologies Development Skills

• Location New York City, United States

• Type Permanent

About the Company

This organization operates at the intersection of finance and technology, building a comprehensive digital assets platform that spans trading, investment banking, asset management, staking, self-custody, and tokenization. In addition, the company invests in and operates advanced data center infrastructure to support AI and high-performance computing, addressing growing demand for scalable energy and compute in the U.S.

The team partners with institutions, startups, and developers to navigate an increasingly digital financial ecosystem. With deep expertise across crypto, financial services, and technology, the company is focused on shaping the future of Web3 and AI.

Headquartered in New York City, the organization has a global presence with offices across North America, Europe, the Middle East, and Asia.

What We Value

The team is composed of high-performing, collaborative individuals who thrive in a fast-paced, mission-driven environment. The culture emphasizes:

• Excellence and accountability
• Thoughtful prioritization and focus
• Strong alignment with independent execution
• Open, transparent communication
• Ownership and decision-making at all levels
• Building high-impact, high-caliber teams

About the Product

The company is launching a new platform designed for individual investors seeking seamless access to both traditional and digital markets. Key features include:

• Competitive yield offerings for cash deposits
• Access to crypto and equities trading
• The ability to reinvest returns into digital assets
• A unified, user-friendly investment experience

The platform is built with a strong foundation in financial expertise, risk management, and premium client service.

The Role: Senior Back-End Engineer

This is a Senior Back-End Engineering role focused on building and scaling the core infrastructure behind a new product initiative. You will design, develop, and optimize the systems that power web and mobile applications, ensuring performance, reliability, and security at scale.

You’ll collaborate closely with front-end, product, and infrastructure teams while contributing to architectural decisions and technical direction.

What You’ll Do

• Design, build, and maintain high-performance back-end systems, APIs, and databases
• Architect scalable, secure server-side solutions capable of handling high transaction volumes
• Collaborate cross-functionally with engineering, product, and DevOps teams
• Implement best practices for code quality, testing, and deployment
• Contribute to a culture of technical excellence and continuous improvement
• Stay current on emerging trends in backend development, fintech, and blockchain

What We’re Looking For

• 7+ years of back-end development experience, including time in a senior capacity
• Strong experience with Node.js, Express, and TypeScript (Nest.js is a plus)
• Experience building and scaling RESTful APIs and distributed systems
• Solid understanding of SQL databases (NoSQL exposure is a plus)
• Experience with microservices and event-driven architecture
• Familiarity with cloud platforms (AWS, Azure, or GCP)
• Experience with Docker and Kubernetes
• Experience with caching and messaging systems (e.g., Kafka)
• Proficiency with tools like Postman, Git, or Bitbucket
• Bachelor’s degree in Computer Science, Engineering, or equivalent experience

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