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.
What You Will Do- 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.
At Smartly, we offer a place where you can advance your career. Here, you'll find:
An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged.
Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth.
Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave.
Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities.
Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually.
Apply Now and Build Your Future with Smartly!
Curious what it’s like to work at Smartly? Visit our Careers page to see how we grow, collaborate, and make impact together
#LI-HYBRID
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.
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Skills Required
- Minimum of 6 years building robust, complex web applications
- Expertise in React
- Expertise in TypeScript
- Deep understanding of state management
- Experience with performance optimization and high-performance canvas-based interactions
- Proven ability to drive projects independently with persistence and autonomy
- Excellent spoken and written English communication skills
- Strong analytical skills to translate product vision into technical tasks
- Motivation to solve customer problems and deliver value quickly
What the Team is Saying
Smartly Compensation & Benefits Highlights
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Leave & Time Off Breadth — Five weeks of paid vacation, company holidays, wellness days, and localized 25–30 day annual leave are prominently highlighted. Short‑term work‑from‑anywhere allowances complement PTO by making time off and location flexibility easier to use.
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Healthcare Strength — Medical, dental, and vision coverage are offered with immediate start in some markets, alongside global mental‑health support through Auntie. These benefits are positioned as part of a strong baseline that is localized by country.
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Flexible Benefits — Hybrid/remote setups and work‑from‑anywhere options (e.g., up to 60 days from another Smartly location or 30 days from a non‑Smartly location) expand where and how work gets done. Stipends for fully remote setups are also referenced in employer materials.
Smartly Insights
What We Do
We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We are on a mission to transform the advertising experience for brands and their consumers. ⚡️
Why Work With Us
As a fast-paced growth company, we offer opportunities to maximize learning and amplify impact. Our culture and values have always been the secret sauce of our growth. They define how we aspire to build our adtech product, whom we hire and reward, and how we work towards a shared vision. Join us in moving advertising forward.
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Smartly Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
We are a hybrid workplace where Smartlies have the flexibility of hybrid work combining office and work from home. We also offer programs for short-term remote work globally.
