Senior Backend Developer - Digital Assets (contract)

At BNY, our culture allows us to run our company better and enables you to grow and succeed. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide.

Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance – and this is what is all about. Join us and be part of something extraordinary.

Job Summary: We are seeking a Senior Backend Engineer to join a highly specialized Digital Assets Engineering team responsible for building secure, scalable infrastructure supporting the future of institutional digital finance. This is a hands-on backend software engineering role focused on developing secure digital asset custody platforms, blockchain integrations, and wallet technologies using modern cryptographic frameworks.

The ideal candidate is first and foremost an experienced software engineer who understands secure programming, distributed systems, and blockchain technologies. You will partner with cryptographers and security specialists to implement—not invent—cryptographic solutions while helping build enterprise-grade custody platforms for tokenized assets.

This role is based in New York, NY , Pittsburgh, PA, Lake Mary, FL or Remote.

Key Responsibilities:

• Backend Software Development: Design, develop, and maintain secure backend applications supporting digital asset custody platforms and blockchain infrastructure
• Secure Programming: Build security-focused software using Rust, Go, or C/C++, implementing cryptographic frameworks and secure coding best practices
• Digital Asset Development: Develop solutions supporting digital wallets, blockchain integrations, tokenized assets, and secure transaction processing
• Cryptographic Integration: Work alongside cryptographers to implement secure cryptographic libraries, MPC frameworks, and key management solutions within enterprise applications
• Threat Modeling & Security Reviews: Perform threat modeling, secure code reviews, vulnerability analysis, and security testing to identify and mitigate application risks
• Blockchain Integration: Build and maintain integrations with blockchain nodes and APIs while supporting transaction creation, signing, and secure communication across distributed networks
• Infrastructure Security: Develop secure storage solutions for encrypted key material, audit logs, and sensitive application data while leveraging hardware security technologies and trusted execution environments
• Cross-Functional Collaboration: Partner with software engineers, security architects, and product teams to deliver highly secure, resilient digital asset solutions

Qualifications:

• 7+ years of experience developing secure backend applications or security-focused software solutions
• 4+ years of strong programming experience using Rust (preferred), Go, or C++
• Experience developing blockchain applications, smart contracts, or tokenized asset platforms
• Knowledge of blockchain technology, digital wallets, tokenization, and digital asset ecosystems
• Experience implementing or working with cryptographic libraries, secure protocols, or cryptographic frameworks
• Understanding of secure software development practices, threat modeling, and secure application design
• Experience integrating with blockchain nodes, APIs, and distributed systems
• Strong problem-solving skills and the ability to communicate technical concepts effectively

Preferred Experience:

• Familiarity with hardware security technologies such as Intel SGX, Trusted Execution Environments (TEE), or Hardware Security Modules (HSMs)
• Experience with Multi-Party Computation (MPC) frameworks or secure wallet technologies
• Master’s degree in Computer Science, Cybersecurity, Cryptography, Engineering, or a related discipline
• Background building digital asset custody or financial technology solutions
• Experience within financial services, banking, fintech, or digital asset organizations
• Familiarity with cloud security, containerization, and enterprise-scale distributed systems
• Experience working with highly secure, regulated technology environ…