> Markdown version of [/jobs/ext/3387066-lead-frontend-software-engineer-multiple-positions](https://www.wearedevelopers.com/jobs/ext/3387066-lead-frontend-software-engineer-multiple-positions). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Frontend Software Engineer (Multiple Positions) - **Company:** BYTEDANCE INC. - **Location:** San Jose, CA, United States - **Experience:** Expert - **Salary:** $264,514.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Business Logic, Profiling, Data Integrity, Software Design Patterns, Memory Management, Session Management, Shopify, Systems Integration, Web Usability, ReactJS, Information Technology, Front End Software Development, Api Management - **Published:** September 1, 2026 - **Apply:** https://www.gamesjobsdirect.com/job/bytedance/lead-frontend-software-engineer-multiple-positions/354823 ## About the Role Qualifications Must have a Bachelor's degree or foreign equivalent degree in Computer Science, Engineering (any), Information Technology, Mathematics, Statistics, Physics, or a related field, and 5 years of related work experience. In lieu of a Bachelor's degree, employer will accept an additional 2 years of related work experience. Of the required experience, must have 3 years of experience in each of the following: Advanced profiling, memory management, and rendering optimization in a production environment; Designing and maintaining complex, logic-heavy form architectures using React and modern JavaScript ecosystems; Implementing secure authentication across multiple domains; Conducting deep-level integration with third-party e-commerce platforms, including API management and custom storefront development; and Implementing and evaluating user behavioral tracking and using data insights to drive frontend UX/UI optimizations. Type: Full time, 40 hours/week ## Description Company, and our users. When we create and grow together, the possibilities are limitless. Join us. About the Team Our team plays a crucial role in ensuring the company's success. We seek people who are willing to learn and put in the effort to solve problems. Our challenges are not your regular day-to-day problems - you'll be part of a team that's developing new solutions to new challenges. It's working fast, at scale, and we're making a difference. We are looking for talents to join us on this exciting journey! Responsibilities Lead the design, development, and architectural evolution of large-scale, high-traffic e-commerce frontend applications. Architect and implement complex integrations with third-party e-commerce platforms (e.g., Shopify) and external APIs to facilitate seamless product, cart, and checkout workflows. Establish and enforce frontend performance standards; utilize advanced profiling tools to optimize Core Web Vitals, including rendering speed, resource utilization, and bundle size management. Design and deploy secure cross-domain authorization protocols and session management systems to ensure data integrity across multiple web properties. Develop reusable, schema-driven dynamic form engines and UI libraries to support complex business logic and localized user experiences. Provide high-level technical consultation to cross-functional teams. Mentor junior/senior engineers on frontend best practices and design patterns.