> Markdown version of [/jobs/ext/4613273-principal-software-engineer-engineering-director-frontend](https://www.wearedevelopers.com/jobs/ext/4613273-principal-software-engineer-engineering-director-frontend). 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). --- # Principal Software Engineer- Engineering Director- Frontend - **Company:** The Testing Site - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Application Frameworks, Dependency Injection, Gradle, Software Engineering, ReactJS, Swift (Programming Language), Kotlin, Production Code, React Native, Front End Software Development, Programming Languages - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25197_5768d56da7639e10cadff63a58000d73 ## About the Role * Formal training or certification on software engineering concepts and 10+ years applied experience. * Extensive experience with multiple front-end languages (React, React Native, Kotlin, Swift). * A deep understanding of cross-platform and modularized app development. * Strong experience writing clean, testable, high-quality code and architecting highly scalable systems in production. * Solid understanding of governance for open-source frameworks. * Understanding of dependency injection frameworks (pnpm, Carthage, Gradle). * Understanding of security frameworks / standards. * Experience in all the stages of software development lifecycle (requirements, design, architecture, development, testing, deployment, release and support). * Experience with building quality automated test suites at all levels. Preferred qualifications, capabilities, and skills * A desire to solve hard problems * A desire to teach others and share knowledge. We aren't looking for hero developers,more for team players.We want you to coach other team members on design principles, practices, and implementation patterns. * Comfortable in uncharted waters. We are building something new. Things change quickly. We need you to learn technologies and patterns quickly. ## Description * Creates complex and scalable coding frameworks using appropriate software design frameworks * Develops secure and high-quality production code, and reviews and debugs code written by others * Advises cross-functional teams on technological matters within your domain of expertise * Serves as the function's go-to subject matter expert * Contributes to the development of technical methods in specialized fields in line with the latest product development methodologies * Creates durable, reusable software frameworks that are leveraged across teams and functions * Influences leaders and senior stakeholders across business, product, and technology teams * Champions the firm's culture of diversity, equity, inclusion, and respect