Top Senior Level Front-End Developer Jobs in Los Angeles, CA

Senior Software Engineer, Web responsible for building and enhancing e-commerce interface and experience, diagnosing and resolving obstacles, leading initiatives for high availability and data privacy, owning tools and infrastructure, recruiting and developing engineering talent, and maintaining collaboration with partners.

Whatnot is hiring a Software Engineer, Growth with 5+ years of experience in high-growth startups. The role involves building scalable systems using Python, Elixir, and JavaScript to impact top-line metrics through high-impact features.

Develop high quality code, work closely with the architecture team, analyze and document existing systems, keep up with technology trends, and collaborate with team leaders.

Play a key role in defining the future of e-commerce mobile products at Square, collaborating with teams across Square to deliver seamless integration of online and in-store sales. Develop using a range of native Android technologies, build a first-class website editor, partner with AI, backend, web, and iOS engineers to ship features with a focus on quality, and work cross-functionally with product managers and designers. 5+ years of relevant industry experience with a bachelor's degree in computer science or equivalent.

Build high-quality, clean, scalable, and reusable code, work with product owners to deliver high-quality products, mentor colleagues, contribute to product design, have advanced knowledge in various technical areas, and manage multiple projects with technical risk.

Design, develop, and maintain microservices integrating with media supply chain systems, solve production issues, review architecture, collaborate with teams, improve observability and CI/CD pipelines, and modernize workflows using latest technologies.

Seeking an experienced Data Storage Reliability Engineer with 8+ years of experience in running high volume customer-facing services in production and 6+ years of experience with AWS databases and data storage systems. The role involves optimizing performance, improving database stability, and automating tasks to enhance efficiency and reliability.