Senior Frontend Engineer

Smartly

Are you an ambitious engineer ready to take on meaningful challenges and accelerate your growth? We’re looking for a Senior Backend Engineer to join our 250+ person Product & Engineering organization at Smartly. Our engineering team builds the systems that power creative automation for some of the world’s largest brands. We enable them to turn a single idea into high-performing, global campaigns by building scalable, reliable infrastructure and services that operate at massive scale. Increasingly, we’re also developing AI-driven workflows that help customers generate, adapt, and optimize creatives in smarter ways. As a backend engineer, you’ll design and build robust services, APIs, and data pipelines that power our product end-to-end. You’ll work on challenges around scalability, performance, and reliability, ensuring our systems can handle large volumes of data and complex workflows with ease. You’ll collaborate closely with frontend engineers, designers, and product managers to deliver features that our customers will genuinely love and depend on. Our backend stack is built around Node.js and TypeScript, and we place strong emphasis on writing clean, maintainable code and building systems that scale. We care deeply about engineering craftsmanship, product quality, and continuous improvement, always looking for better ways to build, simplify, and operate our services. Check out our Engineering at Smartly site to learn how our engineering and product development work. AS A SENIOR BACKEND ENGINEER, YOU WILL: * Have end-to-end ownership of a new platform integration * Design, build and monitor data-intensive microservices systems * Collaborate closely with other engineers, product managers and designers to deliver cutting edge solutions for our clients * Take part and facilitate team activities such as dailies, retros and brainstorming sessions * Coach and mentor other members of the team to follow best practices and industry standards WHAT WE ARE LOOKING FOR: * Experience in backend development using modern technologies such as Node.js and Typescript * Experience in building robust, complex and distributed web applications * Motivation for solving customers problems and delivering value to customers at a fast pace * Strong collaboration skills & ability to coach other engineers in the team * You are able to work on-site at our Mexico City office 3 days per week Smartly is committed to being the best place to work for growth-minded individuals to thrive - explore more in our Culture Handbook! WHAT TO EXPECT FROM OUR RECRUITMENT EXPERIENCE: * Meet your Recruiter: Get to know each other and learn about working at Smartly. * Meet the Team Lead: Gain deeper insights into your future team. * Meet the Team in Technical Interviews: Engage in an interactive coding interview followed by a discussion around Systems Design and Architecture. * Meet the Leadership in a Final Meeting: A brief discussion with our VP of Engineering. Apply Now and Shape Your Future with Smartly! #LI-HYBRID ABOUT SMARTLY 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.

Lendo AB

At Lendo, we’re driven by a clear mission: to empower people to make smarter financial decisions. Our work directly impacts how users understand and navigate complex financial journeys, and we take that responsibility seriously. We’re looking for a Senior Frontend Engineer who wants real ownership, meaningful technical influence, and the opportunity to shape business critical user experiences used daily. THE ROLE You’ll join a cross-functional product team responsible for building and evolving Lendo’s core digital experience. You’ll work on user flows that are central to how our users interact with and benefit from our platform. You won’t just deliver features. You’ll help shape how we build them and take responsibility for how they evolve over time. As a Senior Frontend Engineer, you will: • Take end-to-end ownership of components and frontend architecture within your product area • Drive performance, scalability, and long term maintainability• Translate complex requirements into intuitive, high quality user experiences• Build reusable and well structured components• Contribute to technical standards and frontend best practices• Collaborate closely with product and design to navigate trade-offs and priorities• Influence technical decisions and participate in architectural discussions• Ensure quality through testing, observability, and continuous improvement We value engineers who go beyond their immediate tasks, proactively identify improvements, raise the technical bar, and follow through on outcomes. Our frontend stack centers around React in a mixed TypeScript/JavaScript codebase, integrated with Go-based backend services via REST API’s in a cloud-native environment using Kubernetes on GCP. We continuously evolve our architecture with a strong focus on performance, maintainability, and developer experience. WHAT WE’RE LOOKING FOR • 5+ years of professional frontend experience, including building and maintaining production systems• Strong React and TypeScript skills• Experience building and maintaining scalable frontend applications• Solid hands-on experience working with REST APIs, 3rd-party integrations, and CI/CD• Hands-on experience with Sentry and Playwright• Familiarity with tools such as GitHub Actions, Docker, Kubernetes, Git, and Yarn• A quality mindset where testing, reviews, and clean code are natural to you• Pragmatic decision-making, you understand trade-offs• A strong sense of ownership and accountability• Comfortable contributing to technical direction and architectural discussions Nice to have:• React Native• Next.js• Experience improving frontend performance• Experience contributing to design systems• Experience in A/B testing Skapa skillnad tillsammans med oss på Lendo 💚 På Lendo är kulturen lika viktig som de produkter och tjänster vi utvecklar. Vi tror på en vardag där tillit, transparens och lärande går hand i hand med driv, nyfikenhet och en vilja att få saker att hända. Tillsammans skapar vi en arbetsplats som inte bara levererar resultat - utan också lämnar ett positivt och hållbart avtryck. Vår framgång handlar inte om individer, den bygger på gemenskap. Vi vinner som ett lag, firar tillsammans och lär oss av det som inte gick som vi tänkt oss. Med energi och fokus på det som verkligen gör skillnad för våra kunder, jobbar vi varje dag för att hjälpa människor fatta smarta ekonomiska beslut som påverkar deras liv på riktigt. Vi tror på att ta ansvar men också på att ha varandras rygg längs vägen. Hos oss får du utrymme att växa, påverka och bidra med nya perspektiv, oavsett om du vill ta nästa steg i karriären eller förbättra hur vi hjälper vårakunder. För hos oss kommer kunden alltid först. Vi är stolta över att vara en del av Lendo Group och ännu mer stolta över det vi bygger tillsammans, varje dag.Vill du vara med på resan? 🚀

Backbase

Backbase is on a mission to help banks re-architect around the customer and embrace the era of Engagement Banking.  We are now seeking a Senior Front End Software Engineer to join one of our development teams. This team is dedicated to enhancing our Customer Support capability, a key component of the Backbase Native AI Banking Platform. Our Customer Support capability allows banks to provide their customers with exceptionally fast and efficient support, including embedded agentic/conversational AI aspects to provide a seamless customer support experience. Meet the job ●Build responsive web applications using Angular and TypeScript that are clean, testable, scalable, and easily maintainable; ●Collaborate with cross-functional teams to analyse requirements and deliver high-quality solutions; ●Take full ownership of the Customer Support capability throughout its lifecycle, embodying a "you build it, you own it" mindset; ●We provide a flexible working model that allows employees to work both on-site and remotely. How about you ● You are a software engineer with 5+ years relevant experience, with a focus on building scalable, resilient, and accessible user-friendly web experiences; ● You possess expert knowledge of Angular, Typescript, CSS, and HTML; ● You are familiar with the objectives of modern frameworks like Angular and understand their core architectural principles; ● You have significant experience in testing frameworks including Jest, Cypress, and Playwright; ● Experience with Nx is an advantage; ● You have a strong understanding of reactive programming with RxJS; ● You have strong communication skills, enabling you to confidently engage with stakeholders at all levels and secure buy-in from both technical leads and team members; ● You are passionate about embracing AI/ML tools such as GitHub Copilot, Cursor AI, and Windsurf, and you enjoy shaping the product or platform’s functionality with AI; ● Experience with Fintech products or the banking industry is a plus; ● You have experience in areas such as security, performance, and scalability.