Web3 React Security Jobs in 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.

About GalaxyOne:

GalaxyOne is designed for individual investors who want the best of both traditional and digital markets. Its core offerings include competitive yield on cash deposits for U.S.-based individual investors and 8.00% yield through Galaxy Premium Yield for U.S. accredited investors, as well as seamless access to crypto and equities trading and the ability to reinvest earned interest into bitcoin or other supported crypto, all in one precision-built platform. GalaxyOne, backed by Galaxy Digital Inc (NASDAQ/TSX: GLXY), benefits from the firm's proven financial expertise, risk management and white-glove client service. Additional information about GalaxyOne is available at galaxy.app and you can learn even more here: "The Launch of GalaxyOne with Zac Prince" and "GalaxyOne on FOX Business."

Who You Are:

This role is an opportunity to be a primary developer and leader within a small team working on an exciting new initiative at Galaxy. As the Lead Front End Developer, you’ll spearhead the development of intuitive, high-performance user interface for our web and mobile apps, ensuring a seamless user experience. You will collaborate with cross-functional teams to design, build, and optimize front-end solutions while mentoring junior developers. Your role will also involve conducting code reviews, implementing new features, and maintaining cross-system compatibility to meet our high standards.

What You’ll Do:

• Design, develop, and optimize responsive, user-centric web and mobile app interfaces using modern front-end technologies.
• Work closely with a team of front-end developers, fostering a culture of collaboration, innovation, and continuous improvement.
• Collaborate with product managers, UI/UX designers, and back-end engineers to translate business requirements into technical solutions.
• Ensure the scalability, security, and accessibility of front-end applications, adhering to fintech industry standards and regulations.
• Drive the adoption of best practices, code reviews, and testing strategies to maintain high-quality deliverables.
• Stay ahead of emerging trends in front-end development and fintech to recommend and implement innovative solutions.
• Embrace and champion the thoughtful adoption of AI to improve team performance and business outcomes.
• Leverage AI tools (e.g., generative AI, automation platforms, data copilots) to improve productivity, decision-making, and output quality in your day-to-day work.

What We’re Looking For:

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 7+ years of experience in front-end development of both web and mobile applications, with at least 2 years in a senior role.
• Experience working in high-growth software startup(s).
• Industry experience in fintech or financial software.
• Proficiency in modern frameworks such as React and React Native.
• Strong understanding of responsive design principles and cross-browser compatibility.
• Experience with version control systems (e.g., Git) and agile development methodologies.

Bonus Points:

• Prior experience working in a fintech or financial services environment.
• Familiarity with cryptocurrency or blockchain integration in front-end applications.

What We Offer:

• Competitive base salary and discretionary bonus
• Hybrid/Flexible Working Arrangements 
• Flexible Time Off (paid)
• 3% 401(k) company contribution
• Company-paid health and protective benefits for employees, partners, and other dependents
• Generous paid Parental Leave
• Competitive family planning benefits for US employees 
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Free daily snacks and weekly breakfasts/lunches 
• Employee Resource Groups
• Free virtual coaching and counseling sessions through Headspace

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$140,000—$220,000 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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