# Senior · Staff · Principal Backend Engineer - Company: [Lai]() - Location: New York - Team: Engineering - Employment type: Full Time - Posted: May 21, 2025 ## Job description Senior / Staff / Principal Backend Engineer Location: Onsite New York We have multiple startups interested in talent. Here is a generic summary. Instead of a perfect job description, we present talented individuals to companies and allow them to share how that talent fits in the organization. A Back-end Developer is a software developer specializing in server-side logic, databases, and application infrastructure, responsible for ensuring the efficient and secure functioning of web applications and systems. They build and maintain the server-side code that powers the application, often interacting with databases, APIs, and other web services. Key Responsibilities: •           **Server-Side Logic:** Develop and maintain the code that runs on the server, handling user requests, processing data, and managing application logic.  •           **Database Management:** Design, implement, and manage databases, ensuring data integrity, security, and performance.  •           **API Development:** Create and maintain Application Programming Interfaces (APIs) for seamless communication between the front-end and back-end components.  •           **Performance Optimization:** Optimize code for speed, efficiency, and scalability, ensuring the application can handle large loads and user traffic.  •           **Security:** Implement security measures to protect the application and user data from unauthorized access and breaches.  •           **Collaboration:** Work with front-end developers, product managers, and other stakeholders to ensure a cohesive user experience.  •           **Troubleshooting and Debugging:** Identify and resolve issues in the back-end code, ensuring the application functions correctly.  •           **Staying Up-to-Date:** Keep abreast of emerging technologies and industry trends to enhance the application's functionality and performance.  *Compensation: Market range and can include equity – details can be provided after the specific client is determined.* ## Apply [Apply on Lai]() Canonical job page: