Valleysoft | Center of Excellence · Cairo, Egypt · Posted 2026-03-29
Valleysoft is a dynamic technology company committed to delivering innovative software solutions that meet the evolving needs of our clients. We are seeking a highly skilled Senior Frontend Engineer to join our team and lead the development of sophisticated and user-friendly web applications.As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimizing frontend components using modern JavaScript frameworks and technologies. You will collaborate closely with designers, backend engineers, and product managers to deliver seamless user experiences.The ideal candidate will have extensive experience in frontend development, a strong understanding of UI/UX principles, and the ability to mentor junior team members. If you thrive in a fast-paced environment and are passionate about creating high-quality web applications, Valleysoft is the perfect place for you.RequirementsCore Stack: React, React Native, Monorepos (Nx/Turbo), TypeScript.Technical Requirements: Dual Mastery: 3+ years shipping production code in both React (Web) and React Native (Mobile) Monorepo Expert: Proven experience managing shared logic and libraries across platforms State and Data: Deep knowledge of Zustand/Redux, Redux-toolkit and Type-safe APIs Performance: Skilled in virtualization, mobile memory management, and build optimization Testing: Unit and Integration testing (Jest, RTL) and E2E (Detox/Cypress)Proactive and Smart (Soft Skills): Ownership: Takes features from Figma to Production with minimal supervision Critical Thinker: Identifies edge cases and flags technical debt before coding Solution-Driven: Proactively suggests architectural improvements; does not just take tickets Communication: High-level technical English; clear articulation of why vs howGeneral Essentials: Web and Mobile Fundamentals: DOM APIs, CSS-in-JS, Mobile Lifecycles, and Offline Storage Clean Code: Strong grasp of SOLID principles, DRY, and modular architecture Tooling: CI/CD (GitHub Actions), Gitlab CI, Fastlane, Vite, and Git FlowBenefitsPrivate Health InsuranceTraining & Development