Senior Frontend Developer

Location: Flexible (Remote)Para una comprensión completa de esta oportunidad y de lo que se requerirá para ser un candidato exitoso, siga leyendo. Seniority: Senior Position: SENIOR FRONTEND ENGINEER About the job We are hiring for a fast-growing AI-native B2B SaaS company focused on making sourcing processes more efficient, transparent, and data-driven for large organizations. The platform helps enterprises unlock significant savings across their spend through a combination of modern cloud-native architecture and advanced AI-powered capabilities. As the company continues its international growth and expands its enterprise customer base, the engineering team is scaling to build robust, high-quality frontend solutions that power a mission-critical product. About the Role We are looking for a Senior Frontend Engineer (TypeScript) to design, build, and evolve the frontend of a complex B2B SaaS platform. You will collaborate closely with Product, Design, and Engineering teams to deliver scalable, intuitive, and high-performance user experiences. This role plays a key part in defining frontend standards, contributing to architectural decisions, and shaping a collaborative, product-driven engineering culture. As a Senior Frontend Engineer, you will: Build and evolve a modern frontend using React, TypeScript, and Vite Design and implement high-quality, scalable user interfaces for a B2B SaaS product Collaborate closely with Product Managers and Designers to translate business needs into effective user experiences Partner with designers to help build and maintain a scalable design system and component library using Storybook Ensure code quality through clean architecture, best practices, and automated testing Contribute to frontend architecture, technical decisions, and engineering standards Work across the stack when needed, collaborating with backend services built with Node.js (NestJS) and Python Focus on performance, accessibility, and maintainability across the frontend codebase Take ownership beyond implementation by actively participating in discussions around product and technical direction Promote a collaborative, pragmatic, and improvement-driven engineering culture Required Skills & Tech Stack We value strong product thinking, ownership, and collaboration. Experience with the following is required: 3+ years of experience with React or another modern frontend framework (Vue, Angular, etc.) Strong proficiency in TypeScript, JavaScript, HTML, and CSS Solid frontend fundamentals: state management, component architecture, and performance optimization Experience building and operating SaaS products on a public cloud platform (Azure, AWS, or GCP) Experience writing clean, maintainable code supported by automated tests (Jest, Vitest, Playwright, or similar) Familiarity with modern frontend tooling and CI/CD workflows Ability to break down complex business problems into simple, robust solutions Clear and confident communication skills in English (written and spoken) Proactive mindset with a willingness to learn, share knowledge, and lead by example Nice to have: Experience with Node. xcskxlj js and NestJS Experience working across frontend and backend Experience with design systems and accessibility standards Experience in data-intensive or AI-powered products What We Offer High-impact role with real ownership and influence on technical and product decisions Autonomy to drive frontend architecture and contribute beyond your code Collaborative, international team with strong product and engineering focus Low-bureaucracy environment with an emphasis on pragmatism and outcomes Flexible working model (hybrid or remote, depending on location) Continuous learning and professional growth opportunities Supportive team culture with regular collaboration and knowledge sharing Opportunity to work on a rapidly scaling, enterprise-grade SaaS platform Ready to take on a challenge? If you are passionate about building well-crafted software, enjoy working in a product-driven environment, and want to make a real impact on a growing AI-powered SaaS platform, we would love to hear from you.