Senior Software Engineer, Front-End Job Summary We are looking for a talented Senior Software Engineer to join our client’s front-end engineering team that is developing web and mobile solutions for a new product offering. You will be part of a dynamic team using the latest technology and tools to build high-quality applications with a customer-focused mindset. Responsibilities Own the design and delivery of complex, customer-facing front-end features from problem definition through production support. Translate customer needs into high-quality, scalable solutions that balance usability, accessibility, performance, and maintainability. Serve as a technical owner for major features or subsystems, making thoughtful architectural decisions and clearly communicating tradeoffs. Build and maintain high-quality front-end applications using TypeScript, React, and modern front-end tooling, with a strong emphasis on testing and code quality. Partner closely with Product, Design, and cross-functional teams to shape solutions and influence product direction in service of customer outcomes. Communicate complex technical concepts clearly to both technical and non-technical stakeholders. Leverage AI-assisted development tools to improve productivity and solution quality, while applying strong engineering judgment to validate results. Support the broader web and mobile functional team through thoughtful code reviews, knowledge sharing, and technical guidance. Qualifications BS or higher in Computer Science, Computer Engineering, Math, or relevant experience 5+ years of software engineering experience, including a successful track record developing customer-facing SaaS/PaaS products. 3+ years of experience with React, Redux, all things JavaScript/TypeScript and the tools of the React ecosystem such as node and npm. Strong application design and coding skills. Demonstrated ability to own and deliver significant priorities for a business. Strong communication skills and the ability to clearly articulate technical concepts and issues to all levels of leadership. Familiar with AI development tools such as Claude or Codex (or similar), a plus. Location: Menlo Park, CA (onsite 2 days/week) Type: Full Time Salary Range: $154,000 - $180,000 (DOE Submit resumes to Jobs@OSIEngineering.com
