Principal Front-End Engineer

Requirements

• More than 10 years of total professional experience in front-end engineering, including significant time in senior or principal-level roles.
• Expert-level proficiency in TypeScript, including advanced typing, generics, decorators, and scalable application patterns.
• Deep, hands-on experience with Angular (v10+) and React (Hooks, Context, Redux or equivalent).
• Strong experience building and integrating Node.js services (Express, NestJS, or similar).
• Proven ability to build and ship Progressive Web Apps, including: Service workers, App shell architecture, Offline-first and caching strategies, Web app manifest, Push notifications and background sync.
• Strong command of JavaScript/TypeScript, browser internals, rendering pipelines, and performance optimization.
• Demonstrated experience designing and implementing component libraries, design systems, or shared UI platforms.
• Hands-on experience with testing frameworks such as Jest, Cypress, Playwright, Jasmine/Karma.
• Solid understanding of RESTful APIs, authentication/authorization patterns, and front-end security.
• Experience working with cloud environments (AWS, Azure, or GCP) and modern CI/CD pipelines.
• Experience collaborating in an onsite–offshore delivery model, including distributed team coordination and communication.
• Strong communication skills and the ability to influence engineering decisions through practical, hands-on leadership.

Responsibilities

• Build and deliver complex front-end features using Angular and React with a focus on clean, maintainable, and scalable code.
• Develop and optimize Progressive Web Apps, including service workers, offline-first strategies, caching layers, background sync, and installable experiences.
• Lead hands-on implementation of front-end architecture, design patterns, and shared component libraries.
• Collaborate with backend teams to integrate front-end applications with Node.js services and optionally Java-based backend APIs.
• Coordinate effectively within an onsite–offshore model, ensuring smooth handoffs, clear communication, and alignment across time zones.
• Own performance tuning, Core Web Vitals improvements, bundle optimization, and rendering efficiency.
• Drive modernization efforts such as framework upgrades, migration strategies, and refactoring of legacy codebases.
• Conduct deep technical code reviews and pair-program with engineers to elevate code quality and engineering practices.
• Prototype new ideas, evaluate emerging technologies, and introduce tools that improve developer productivity.
• Work directly with UX and product teams to translate requirements into high-quality, user-centric interfaces.
• Contribute to CI/CD improvements, testing strategies, and deployment workflows for front-end and PWA applications.
• Mentor engineers through hands-on guidance, technical deep dives, and collaborative problem-solving.

Skills