Senior Server Engineer, E-commerce (Bitkey)

The Role
As a Senior Server Engineer, you will be responsible for designing and building the backend infrastructure for the bitcoin products e-commerce platform, powering the sale of our bitcoin hardware wallet, Bitkey, as well as our mining hardware. Working closely with product and logistics teams, you’ll deliver a fast, secure, and scalable e-commerce experience. 

You Will

• Architect and implement robust server-side solutions for the e-commerce platform, ensuring optimal performance and scalability.
• Design, build, and maintain APIs that support both traditional e-commerce sales as well as sales-driven workflows.
• Collaborate with front-end engineers using TypeScript, React, and Next.js to ensure seamless API integration.
• Ensure security best practices are in place, particularly for handling sensitive financial and customer data.
• Take ownership of build automation and deployment pipelines, ensuring reliable, scalable, and efficient deployment processes.
• Troubleshoot and optimize server-side code, database interactions, and third-party integrations for performance.
• Mentor junior engineers and participate in code reviews.

You Have

• 8+ years of experience as a back-end or full-stack engineer, with a focus on building and scaling web applications.
• Strong experience with server-side languages like Node.js, Python, or Go, and proficiency in cloud platforms (AWS, GCP, or Azure).
• Proven experience in designing and implementing build automation and managing deployment pipelines for web applications.
• Expertise in designing and implementing APIs for both e-commerce and workflow-driven applications.
• Strong understanding of database technologies and distributed systems.
• Familiarity with front-end technologies such as TypeScript, React, and Next.js to support seamless API integration.

Nice to Have

• Experience with blockchain technologies and cryptocurrency.
• Experience with localization of carts, payments, etc
• Experience with risk, compliance, IAM, or product security

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We also consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page.

Block will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.