Senior Front-end Lead Santiago

Required Experience & Skills

We are seeking a seasoned frontend leader with a proven track record delivering enterprise SaaS analytics platforms. You should bring:

• 5+ years of React experience, with at least 2+ years using TypeScript.
• Expert-level knowledge of React performance optimization and long-term maintainability.
• Hands-on experience with data-heavy applications and virtual scrolling techniques.
• Proven experience with AG Grid or similar data grid libraries in large-scale enterprise contexts.
• Strong understanding of state management (Redux, Zustand, or Context API).
• Experience leading frontend teams and mentoring developers, with a history of delivering polished, production-grade software.
• Track record of delivering enterprise SaaS applications with measurable impact.

Nice-to-have: analytics/BI platform experience, WebSocket real-time updates, familiarity with Plotly/D3.js, micro-frontend architectures, Azure DevOps and CI/CD pipelines.

Projects

Krunchbox is scaling a global SaaS platform that empowers supplier-retailer collaboration through fast, reliable analytics. You will drive the complete rebuild of the analytics UI, transitioning from legacy jQuery/Bootstrap to a modern React/TypeScript stack. As the senior frontend leader, you’ll architect and implement the Reports and Dashboards systems, with potential to establish and lead a frontend team as the platform grows. The project emphasizes high-performance data visualization, robust state management, and an intuitive UX for complex analytics workflows, enabling 1000+ enterprise clients to derive actionable insights in real time.

Key Responsibilities

• Act as the senior frontend architect for the analytics platform, owning the design and implementation of Reports and Dashboards.
• Lead the transition from legacy codebases (jQuery/Bootstrap) to a modern React/TypeScript stack across core analytics modules.
• Directly manage frontend contractors during the transition and guide the long-term frontend roadmap, with the opportunity to build and lead a scaling team.
• Implement AG Grid for high-performance data tables handling massive datasets (millions of rows) with smooth paging and virtualization.
• Build a reusable component library using shadcn/ui and Tailwind CSS to ensure consistency and rapid delivery.
• Integrate with Plotly for advanced data visualizations and analytics storytelling.
• Optimize UI performance to achieve sub-2-second dashboard load times and snappy interactions.
• Establish frontend best practices, testing standards, and accessibility considerations, collaborating with UX to simplify complex analytics workflows.
• Collaborate with product, data, and backend teams to align on requirements, APIs, and data models.
• Leverage AI development teals such as ClaudeCode, Codex to increase development productivity

Benefits

• Competitive compensation package.
• Comprehensive health and benefits coverage.
• A predominantly in-person, collaborative work environment located in Mexico City to encourage fast iteration and real-time problem solving.
• Opportunity to scale and lead a global SaaS platform that solves real-world customer challenges.
• A direct, impactful role in shaping the future of AI-powered supplier-retailer collaboration.

Desirable Skills & Experience

Experience working on analytics/BI platforms and data visualization libraries; familiarity with real-time data streaming; prior exposure to micro-frontend architectures; comfort working in fast-paced, collaborative environments; strong communication and leadership skills to mentor and inspire a growing frontend team.