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Senior Frontend Engineer

Airalo

Job Location:

Barcelona - Spain

Monthly Salary: Not provided by the employer

Posted: 4 June 2026 (30+ days ago)

Application Deadline: 1 September 2026

Vacancies: 1 Vacancy

Job Summary

Ready to make travel easier for millions Airalo is the worlds 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. Whats 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; Im Daniele VP of Engineering at Airalo!

Engineering drives Airalos 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. Youll 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.

Airalos fully remote Engineering team is this role youll 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.

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

Please be aware that we can only consider candidates for this role who alreadyreside and are fully eligible to work in Spain.

If you are interested in this positionplease 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 Policyavailable here: 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.

At Airalo we use AI-assisted tools as part of our recruitment process. Your application will be reviewed using tools that help our recruiters analyze and organize CV information. These tools support but do not replace human judgment; all hiring decisions are made by humans. If you progress to an interview we may use tools to generate AI-assisted notes - you can opt out of these. For more information on how we handle your data please see our Privacy Policy: Experience:

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