Software Engineer - Java / Kotlin at vonage | Barcelona

VonageBarcelona, Spain (Reemote- Spain)

Remote Full-time

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Experience Level

Experience

Qualifications

The ideal candidate will possess the following qualifications:Strong experience in Java and Kotlin programming languages. Proficiency in software development methodologies and best practices. Familiarity with modern software development tools and frameworks. Ability to work collaboratively in a remote team environment. Excellent problem-solving skills and attention to detail.

About the job

Join our dynamic team at Vonage as a Software Engineer specializing in Java and Kotlin. You will be responsible for designing, developing, and maintaining robust software applications that enhance our communication services. We are looking for innovative thinkers who are passionate about technology and eager to contribute to cutting-edge projects.

About Vonage

Vonage is a leading provider of cloud communications services, dedicated to transforming the way businesses communicate. With a commitment to innovation and customer satisfaction, we empower teams to connect and collaborate seamlessly across the globe.

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Senior Android Developer - Kotlin

Cross Border Talents

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Join our innovative team as a Senior Android Developer specializing in Kotlin, where you will be instrumental in crafting and maintaining high-quality applications tailored for a wide array of Android devices. Your primary focus will be on developing robust Android applications and ensuring seamless integration with back-end services. You will collaborate cl…

Mar 22, 2022

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Semi-Senior Android Developer (Kotlin & Java)

EPAM NEORIS

Full-time|On-site|Madrid, Spain

At EPAM NEORIS, we believe transformation begins with people. As part of EPAM, we are expanding our global reach and capabilities, while maintaining what matters most: a culture where every individual can grow, contribute, and take center stage. We are not just filling positions; we seek to incorporate talent eager to surpass themselves, learn continuously, and make an impact on every project. Our team is diverse, inclusive, and constantly evolving. We promote ideas, not hierarchies, and we are committed to the real development of each person. If you want to work in a place where your growth matters as much as the results, we are looking for you!Backed by over 60,000 professionals in more than 55 countries and a robust Nearshore model, we connect global capabilities with local trust to generate real impact, sustainable growth, and high-value results for our clients.

Apr 13, 2026

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Android Developer (Hybrid - Malaga)

Betsson Group

Full-time|Hybrid|Malaga

Join our innovative Tech Hub in Málaga, perfectly situated by the Mediterranean Sea. This is not just a workplace; it's an opportunity to be a part of a thrilling project that is revolutionizing iGaming technology.So, what are you waiting for? Embark on this exciting journey with us!What We Are Looking ForCollaborate with some of the brightest minds in the industry.Engage in developing high-traffic applications that reach global audiences.Take pride in the ownership of the products we deliver and our collective success.Enjoy a supportive and friendly work environment with professional development programs that help you grow both technically and personally.Become a valued member of the diverse Betsson community.Preferred QualificationsProficiency in Kotlin and deep knowledge of Android’s frameworks and capabilities.Experience with Firebase and its tools including analytics, Crashlytics, Firestore, remote configuration, and in-app messaging.A data-driven mindset with excellent skills in structuring tracking within apps.Familiarity with RESTful APIs and Postman.Experience in setting up GitHub pipelines.Ability to create high-quality Android views and animations.Develop scalable and high-performance applications.Design and implement clean, maintainable code with unit testing experience.Strong problem-solving skills and a solid understanding of software architecture.Team player mentality.Experience with Agile development methodologies.Capability to coach and mentor junior developers.Your InvolvementAs pioneers in a highly competitive market, we are committed to achieving technical and product excellence. You will play a key role in building new products and features utilizing the latest technologies, contributing actively to a state-of-the-art native application.

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Senior Backend Engineer (Kotlin) - Quick Commerce

Delivery Hero

Full-time|On-site|Barcelona

Join our dynamic team at Delivery Hero as a Senior Backend Engineer specializing in Kotlin. In this role, you will be pivotal in shaping our quick commerce solutions, ensuring seamless and efficient backend processes that cater to our growing customer base.Your expertise will help us innovate and enhance our platform, working closely with cross-functional teams to deliver high-quality, scalable solutions. If you are passionate about backend technologies and eager to make a significant impact in a fast-paced environment, we want to hear from you!

Sep 11, 2025

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Junior Mobile Software Engineer - Android at 360learning | Remote in Spain

360Learning

Full-time|Remote|Spain, Remote

Join our dynamic team of mobile software engineers at 360learning, where we are dedicated to building cutting-edge mobile solutions. Our team, consisting of 9 mobile engineers, an Engineering Manager, and a Project Manager, is focused on creating two native mobile applications utilizing a state-of-the-art tech stack that includes Kotlin Multiplatform, Jetpack Compose, and SwiftUI. We pride ourselves on an extensive CI setup using Bitrise, along with custom applications and internal development tools.We are currently seeking a Junior Android Developer with 0.5 to 2 years of experience who is eager to learn the Kotlin Multiplatform tech stack in the short term and iOS development in the mid to long term. As an integral part of our R&D department, which boasts over 80 engineers, our mobile team plays a crucial role in delivering an engaging learning experience for our users on mobile platforms.Your journey with us will involve:- Addressing complex technical challenges: Engage with a sophisticated codebase that requires strong analytical and modeling skills. Our platform serves 2.3 million registered users, emphasizing our commitment to code quality through modular architecture, systematic peer reviews, and automated testing for each pull request.- Utilizing an attractive technical stack: Our mobile team has fully embraced Kotlin Multiplatform since its inception in 2020, with 80% of our codebase migrated. The Android side is enhanced with Kotlin and Jetpack Compose, while our iOS applications leverage Swift and SwiftUI.- Thriving within a progressive R&D environment: Our decentralized peer review process ensures that team members receive constructive feedback regularly. Our team of highly skilled engineers fosters a culture of pair programming and knowledge sharing.

Jan 27, 2026

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Senior Backend Engineer - Kotlin at Delivery Hero | Barcelona

Delivery Hero SE

Full-time|On-site|Barcelona

Join Delivery Hero as a Senior Backend Engineer specializing in Kotlin to drive innovation in the Quick Commerce sector. In this role, you will design and develop scalable backend systems that enhance our delivery capabilities. You will collaborate with cross-functional teams to deliver high-quality software solutions while ensuring optimal performance and reliability.We are looking for someone who is passionate about technology, thrives in a fast-paced environment, and is eager to take on new challenges. Your contributions will directly impact our mission to provide exceptional service to our customers.

Sep 22, 2025

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Software Engineer - Java / Kotlin at vonage | Barcelona

Vonage

Full-time|Remote|Barcelona, Spain (Reemote- Spain)

Apr 7, 2026

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Android Engineer at Perk | Barcelona

Perk

Full-time|On-site|Barcelona

Join Our Team as an Android Engineer!At Perk, we are revolutionizing travel and spend management with our intelligent platform that streamlines everything from travel bookings to expense management. Our goal is to eliminate the tedious tasks that hinder productivity, allowing businesses to focus on what truly matters.With over 10,000 trusted clients globally, including renowned names such as Wise, On Running, and Breitling, we are addressing a staggering loss of productivity of 7 hours per employee each week, a challenge worth $1.7 trillion.Founded in 2015, Perk has expanded to a dynamic team of over 1,800 professionals across 12 offices worldwide, with our headquarters located in London and Boston. We pride ourselves on our innovative approach, combining control and simplicity to enhance workplace experiences.Our values drive us—embracing ownership, delivering a 7-star experience, and fostering teamwork. We seek out individuals with curiosity and purpose, aiming to unlock their full potential. If you're passionate about making a significant impact and reshaping the work experience for millions, we invite you to join us.Learn more about us at www.perk.com.Your Role: As an Android Engineer, you will take charge of product features from ideation to launch, significantly influencing millions of users. If you thrive on initiative and enjoy engaging in technical discussions, this is the perfect environment for you.Become part of a cross-functional mobile team dedicated to creating an indispensable travel companion for business travelers.

Mar 30, 2026

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Mid-Level Software Engineer - Java/Kotlin at Vonage | Madrid

Vonage

Full-time|Remote|Madrid, Spain (Spain, Remote)

Role Overview Vonage is looking for a Mid-Level Software Engineer with strong skills in Java and Kotlin. This position is based in Madrid, with remote work options available within Spain. What You Will Do Work alongside experienced developers to design and build software features for Vonage products and services. Develop and maintain scalable applications that support customers around the world. Contribute to team discussions and help shape technical decisions. Location Madrid, Spain (remote work within Spain possible)

Apr 14, 2026

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Tech Lead for Android Core Product

Speechify

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Apr 30, 2026

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Tech Lead, Android Core Product

Speechify

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Speechify builds tools that turn reading materials, PDFs, books, Google Docs, news articles, and websites, into audio. Over 50 million people use our text-to-speech products to read more efficiently and enjoyably. Our lineup includes apps for Android, iOS, Mac, Chrome, and the web. Recognition includes Chrome Extension of the Year from Google and Apple’s 2025 Design Award for Inclusivity. Our remote team brings together nearly 200 professionals from leading tech companies and top universities. There is no central office; collaboration happens across time zones and backgrounds. Role overview Speechify’s Android app leads the Play Store in text-to-speech. We are looking for a Tech Lead, Android Core Product, based in Madrid, Spain. This senior engineer will guide development as we scale the Android app and launch new features to support a growing global audience. The role combines hands-on engineering with technical leadership. Expect to shape product direction, mentor teammates, and help set the pace for future releases. What you will do Lead development for the Android app, setting technical direction and standards Work closely with engineers, designers, and product managers to deliver new features Support and improve the app’s performance, stability, and accessibility Guide and mentor other Android engineers Contribute to product decisions that affect millions of users What we look for Senior-level experience building and shipping Android apps Strong technical skills and a track record of delivering results Strategic thinking and comfort making product-impacting decisions Clear, effective communication Ability to thrive in a fast-changing, remote-first team Based in Madrid, Spain Interview process The process is concise: several technical interviews, all completed within one week.

Apr 20, 2026

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Full-time|Hybrid|Barcelona

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Apr 15, 2026

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Senior Engineering Manager, Android - Quick Commerce

Delivery Hero SE

Full-time|On-site|Barcelona

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Mar 16, 2026

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Senior Backend Engineer at Pleo | Madrid, London, Lisbon

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Full-time|On-site|Madrid, London, Lisbon

Managing corporate spending can often be a challenging endeavor, with convoluted processes that hinder efficiency for finance teams and employees. At Pleo, we are revolutionizing this process. We provide financial solutions designed to simplify money management, making it seamless and remarkably efficient for everyone involved. Our mission is to empower businesses to 'go beyond' traditional spending methods.The name 'Pleo' translates to 'more than you’d expect', and this philosophy has underpinned our success over the last decade.We find ourselves at a crucial juncture in our growth; every decision we make impacts over 40,000 customers and is vital to our mutual success. We seek individuals who are committed to understanding customer needs, transforming complex challenges into straightforward solutions, and questioning the status quo—all while aiming high. With ambitious goals propelling us forward, we embrace the journey of discovery and innovation. Our team consists of over 850 talented individuals representing more than 100 nationalities, all dedicated to shaping the future of business spending.About the RoleWe are in search of a Senior Backend Engineer to join our dynamic team at Pleo. In this role, you will play a key part in developing and scaling our backend systems while engaging in exciting projects as we enhance our product and service offerings. If you are passionate about tackling complex technical challenges and thrive in a culture that prioritizes transparency, collaboration, and innovation, this position is made for you.Your ResponsibilitiesAs a Senior Backend Engineer, you will:Lead the design, development, and maintenance of scalable microservices primarily using Kotlin.Collaborate with cross-functional teams to create innovative solutions across various domains including Platform and Services.Analyze system performance and implement optimizations to ensure high reliability and scalability.Participate in code reviews, conduct post-mortems, and mentor fellow engineers.Proactively address technical debt and guide the team through technical challenges and migrations.QualificationsYou will excel in this role if you possess:Strong expertise in server-side programming, particularly in Kotlin, and experience with distributed systems, microservices, and various cloud environments such as AWS and Kubernetes.Proficiency in relational databases such as PostgreSQL, testing frameworks (e.g., JUnit, Testcontainers), and observability tools like Grafana.

Feb 27, 2026

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Apr 23, 2026

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Junior Software Engineer (Android) - Quick Commerce

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Feb 12, 2026

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Full-time|On-site|Spain

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Feb 18, 2026

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Full-time|On-site|Barcelona, Spain

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Apr 8, 2026

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