Senior Frontend Engineer

We’re looking for a Senior Frontend Engineer to join Smartly in Mexico City and help build the technology behind creative automation for some of the world’s largest brands. As part of our 250+ person Product & Engineering organization, you’ll create fast, scalable, and intuitive experiences that help customers turn ideas into high-performing campaigns across markets and channels.

You’ll solve complex frontend challenges spanning performance, scalability, and user experience, including AI-driven workflows that help customers generate, adapt, and optimize creative in new ways. Working closely with Product, Design, and Engineering, you’ll have meaningful ownership from technical design through delivery while helping us continuously improve how we build frontend software.

React and TypeScript are at the core of our frontend stack, with a strong focus on performance, maintainability, and engineering quality. Learn more about how we build products on Engineering at Smartly.

• →Own complex frontend projects from technical design through implementation, deployment, and iteration.
• →Build responsive, reliable, and scalable user experiences that make sophisticated creative and AI capabilities intuitive for customers.
• →Partner closely with Product, Design, and Engineering to break complex customer problems into clear, achievable technical solutions.
• →Lead technical design discussions and make thoughtful trade-offs between long-term architecture, product needs, performance, and speed of delivery.
• →Improve the performance, scalability, and maintainability of our frontend architecture and shared core packages.
• →Break larger projects into meaningful increments that deliver customer value while creating a sustainable foundation for future development.
• →Mentor and support other engineers through constructive code reviews, technical discussions, and knowledge sharing.
• →Drive projects forward independently, identifying and addressing technical obstacles while keeping relevant stakeholders aligned.

• Strong frontend engineering experience building and operating robust, complex web applications.
• Deep knowledge of React and TypeScript, including frontend architecture, state management, and performance optimization.
• Experience taking ownership of complex technical projects and making pragmatic decisions from design through production.
• Strong analytical skills and the ability to translate broad product requirements and customer needs into actionable technical solutions.
• A customer-focused approach to engineering, with an interest in understanding the problems behind the features you build and delivering meaningful value.
• Strong collaboration and communication skills, including the ability to explain technical decisions clearly and support the development of other engineers.
• A continuous-improvement mindset and an interest in developing your own expertise while contributing to stronger engineering practices across the team.
• Professional proficiency in spoken and written English.
• Ability to work from our Mexico City office one day per week.

Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers.

Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it.

Visit Smartly to learn more.


The processing of your information is described in our Candidate Privacy Notice.