Senior Frontend Engineer Engineering Partner Experience Spain Spain Barcelona Madrid Malaga Valencia Full-Time Ready to make travel easier for millions? Airalo is the world’s first and largest eSIM store, helping travellers stay connected seamlessly in over 200 countries and regions. We trust our teams to take ownership, put customers first, and do work that has a real impact every day. What’s in it for you? Airalo offers team members a range of perks, including remote work, generous PTO, wellness and learning allowances, and, of course, our annual Airalo Away retreat. Learn more about our benefits here; www.notion.so/airalo-public/Benefits-25396a97ffca81fb9bc1f0be479f1be3 Hi, I'm Daniele, VP of Engineering at Airalo! Engineering drives Airalo’s eSIM platform. We build the product that lets millions of people connect instantly across the globe. The challenges are exciting: high-scale systems, carrier integrations, and products spanning both B2C and B2B. What matters most to us is creating an environment where engineers can do their best work. Real ownership, autonomy, and a direct link between what you ship and business outcomes are key. You’ll work with smart, motivated people who take their craft seriously. If you want to build things that matter at global scale, this is where you do it. Airalo’s fully remote Engineering team is growing. In this role, you'll tackle complex technical challenges across our product ecosystem, helping build, innovate, and scale the platform that keeps millions of travellers connected worldwide. We are looking for a responsible Senior Frontend Engineer to join our expert team in evolving our core platform. You will drive technical excellence, design scalable components, and mentor the team while translating complex business needs into high-performance user experiences. We value professionals who are result-oriented and passionate about building enterprise-quality software. We are looking for a responsible Senior Frontend Engineer to join our expert team in evolving our core platform. You will drive technical excellence, design scalable components, and mentor the team while translating complex business needs into high-performance user experiences. We value professionals who are result-oriented and passionate about building enterprise-quality software. Please be aware that we can only consider candidates for this role who already reside and are fully eligible to work in Spain. If you are interested in this position, please apply via the link. By applying, you acknowledge and agree that, in case of successful application, Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process, and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policy, available here: www.airalo.com/more-info/privacy-policy?srsltid=AfmBOooBT0rXAj1FaNelZ3VfN0wvhwzvAoxdtHnOKSVETpiSjiXVuycy We sincerely thank all applicants in advance for submitting their interest in this opportunity. Airalo is an equal-opportunity employer and values diversity, equity & inclusion. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process. Your Main Responsibilities:

Build enterprise-quality software components and scalable features based on product specifications

Improve SEO and resolve user interaction issues to deliver a fast, seamless single-page application (SPA)

Set standards for unit testing, SOLID principles, and clean code while identifying and mitigating project risks

Partner with cross-functional teams to estimate tasks, communicate status, and troubleshoot complex issues

Translate sophisticated business requirements into elegant frontend code using modern build pipelines and tools

Does This Sound Like You:

6+ years of professional frontend experience with a deep mastery of JavaScript and CSS

3+ years of specialized experience building enterprise-level SPAs using VueJS

Proficient in OOP, SOLID principles, and design patterns within a frontend context

Solid experience with RESTful services, Swagger, Docker, and Git

AI Proficiency: Ability to effectively use AI tools during technical tasks; we value engineers who know how to prompt, validate, and iterate with AI to build better software faster.

Mastery of JavaScript test frameworks and a strong eye for responsive, cross-browser compatible design

Familiarity with distributed caching, cloud application architectures, and Agile methodologies

Fluent English with the ability to manage stakeholder expectations and mentor junior developers

Bonus:

Knowledge of UI/UX best practices and A/B testing

Experience in TravelTech, eSIM, or GSMA technologies

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