Web3 Security Senior Jobs in New York, United States

Who We Are:Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a reality. Our institutional digital assets platform spans trading, investment banking, asset management, staking, self-custody, and tokenization technology. We also invest in and operate cutting-edge data center infrastructure to power AI and high-performance computing, addressing the growing demand for scalable energy and compute in the U.S. We work at the intersection of finance and technology, helping institutions, startups, and developers navigate a digitally native economy. Led by CEO and Founder Michael Novogratz, our team blends deep crypto expertise with institutional experience and a shared commitment to shaping the future of Web3 and AI. Galaxy is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. To learn more about our businesses and products, visit www.galaxy.com.

What We Value:

We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be.

• Seek Excellence.
• Be Selective To Be Effective.
• Be Highly Aligned, Loosely Coupled.
• Disagree Transparently.
• Encourage Independent Decision-Making.
• Build Dream Teams.

Who You Are:We are looking for a seasoned Application Architect at the Managing Director level to serve as the enterprise application architect across our technology stack. This individual will lead the design the evolution of our application architecture, ensuring alignment with business strategy, scalability, security, and performance goals. This is a high-impact, cross-functional role reporting directly to the CTO, with the mandate to establish the best architectural practices and influence technology decisions across Galaxy.

What You’ll Do:

• Serve as the company’s principal architect for application design and development, with ownership of end-to-end system architecture.
• Partner closely with the CTO and senior engineering leads to define the strategic architectural direction, technical vision, and roadmap.
• Design and maintain scalable, resilient, secure, and high-performance systems to support crypto-native workflows, digital asset custody, and trading infrastructure.
• Define architecture standards, patterns, and best practices across front-end, back-end, and cloud-native systems.
• Provide hands-on guidance to engineering teams during solution design and implementation, ensuring consistency with architectural vision.
• Evaluate and select appropriate tools, technologies, and frameworks; own the application architecture review process.
• Act as a thought leader and mentor to technical teams, fostering a culture of engineering excellence and architectural rigor.
• Drive cross-functional collaboration across engineering, product, security, and infrastructure teams.

What We’re Looking For:

• 15+ years of software engineering and architecture experience, with at least 5 years in a senior or principal architect role.
• Strong track record designing and scaling distributed systems, particularly in fintech, crypto, or high-availability environments.
• Deep understanding of secure application development, cryptographic principles, and secure key management.
• Expertise in modern software development practices including microservices, event-driven architecture, cloud-native platforms (e.g., AWS/GCP), and containerization.
• Experience with blockchain technologies, digital asset infrastructure, or decentralized systems is strongly preferred.
• Excellent communication skills with the ability to influence senior stakeholders and translate complex technical concepts into business terms.
• Proven ability to operate both strategically and tactically in a fast-paced, evolving environment.

Bonus Points:

• Prior experience as the sole or lead application architect in a high-growth startup or crypto-native company.
• Familiarity with financial services regulatory environments (e.g., SEC, FINRA, MiFID).
• Strong software engineering background in languages such as Java, Go, Rust, or Kotlin.
• Experience integrating with custody platforms, on-chain protocols, and institutional trading systems.

What We Offer:

• Competitive base salary and discretionary bonus
• Flexible Time Off (i.e. unlimited paid vacation days)
• Company paid Holidays (11)
• Company paid sick leave
• Company-paid health and protective benefits for employees, partners, and other dependents
• 3% 401(k) company contribution
• Generous paid Parental Leave
• Free virtual coaching and counseling sessions through Headspace 
• Opportunities to learn about the Crypto industry
• Free daily snacks in-office
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

Apply now and join us on our mission to engineer a new economic paradigm.

The base salary ranges included below will be commensurate with candidate experience, expertise and local market. Final offer amounts are determined by multiple factors, including candidate experience and expertise. At Galaxy, we maintain a total compensation philosophy which consists of a competitive base salary, annual bonus, and equity incentives.

Base Salary Range$250,000—$300,000 USD

Galaxy respects diversity and seeks to provide equal employment opportunities to all employees and job applicants for employment without regard to actual or perceived age, race, color, creed, religion, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, marital or partnership or caregiver status, ancestry, national origin, citizenship status, disability, military or veteran status, protected medical condition as defined by applicable state or local law, genetic information or predisposing genetic characteristic, or other characteristic protected by applicable federal, state, or local laws and ordinances.

We will endeavor to make a reasonable accommodation to the known limitations of a qualified applicant with a disability unless the accommodation would impose an undue hardship on the operation of our business. If you believe you require such assistance to complete the application process or to participate in an interview, please contact  

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