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BUSUP

Mobile Engineer (Android & iOS)

BUSUP
Spain · Full-time · Entry

BUSUP

BUSUP is a global corporate mobility company helping organizations rethink how their people get to work. Through a technology-driven, asset-light model, we combine data, AI-powered route optimization, operational expertise, and a trusted network of local transport operators to make employee commuting more efficient, flexible, and sustainable.


We partner with large companies across Europe, Latin America, and North America to design, manage, and continuously improve shared mobility solutions that reduce costs, lower emissions, and create a better commuting experience for employees. At BUSUP, we believe the future of corporate mobility is smarter, more connected, and built around people, helping companies move their teams with greater efficiency, visibility, and impact.


FUNCTIONS AND RESPONSIBILITIES

As a Mobile Engineer, you will play a key role in the development and evolution of BusUp’s mobile applications for Android and iOS. You will collaborate closely with Product, Design, Backend, QA, and other engineers to deliver new features and improve the overall mobile experience.

This role is ideal for someone who enjoys building products from the ground up, proactively identifies opportunities for improvement, and brings new ideas, technologies, and approaches to the team.

CORE RESPONSIBILITIES

  • Develop and maintain mobile applications for Android and iOS.
  • Participate in the development of BusUp’s new mobile platform and future mobile products.
  • Implement new features with a strong focus on performance, usability, scalability, and maintainability.
  • Collaborate with Product and Design teams to deliver outstanding user experiences.
  • Work closely with Backend engineers to define APIs and integrations.
  • Write clean, maintainable, and testable code following industry best practices.
  • Participate in code reviews and technical discussions.
  • Contribute to architecture decisions and continuous improvement initiatives.
  • Monitor application performance, crashes, and user experience metrics.
  • Support release processes and post-release validation activities.
  • Maintain technical documentation when required.


WHAT YOU BRING

Required

  • Experience developing mobile applications for Android, iOS, or both platforms.
  • Strong understanding of mobile application architecture and design patterns.
  • Experience working with REST APIs and backend integrations.
  • Knowledge of testing practices and code quality standards.
  • Experience using Git and collaborative development workflows.
  • Good problem-solving and debugging skills.
  • Strong communication and teamwork abilities.
  • Experience using AI-powered development tools such as Claude, Cursor, ChatGPT,GitHub Copilot, or similar solutions to improve productivity, code quality, documentation, testing, and development workflows.
  • Fluent in English and Spanish (Portuguese is a plus).


Nice to have

  • Experience with modern mobile frameworks and architectures.
  • Knowledge of CI/CD pipelines for mobile applications.
  • Experience with analytics, crash reporting, and monitoring tools.
  • Experience working in Agile environments.
  • Experience building applications from scratch or participating in platform modernization initiatives.
  • Knowledge of Kotlin, Swift, Flutter, or modern cross-platform technologies.


WHAT MAKES YOU SUCCESSFUL

  • You are proactive and take ownership of your work.
  • You enjoy proposing new ideas and challenging the status quo.
  • You stay up to date with mobile technologies and engineering trends.
  • You are comfortable working in evolving environments where continuous improvement is encouraged.
  • You are motivated by building solutions that have a direct impact on thousands of users.


BUSUP BENEFITS🎁

  • Flexible working hours
  • Hybrid work (up to 2 days per week is the current remote working policy)
  • Option of Flexible Remuneration (restaurant vouchers, transport vouchers, health insurance) and Meal Assistance
  • Culture of autonomy, responsibility, and continuous feedback
  • Opportunity to participate in the development of BusUp’s next-generation mobile applications.
  • Work with modern technologies and engineering best practices.
  • High level of ownership and technical impact.
  • Annual Leave: 23 working days + half-day of your birthday
  • Values & purpose oriented


If you believe you match these values, we look forward to meeting you! 💚

Key Skills

Ranked by relevance

android ios ai product design flutter kotlin swift cicd git
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Posted
Jun 16, 2026
Type
Full-time
Level
Entry
Location
Barcelona
Company
BUSUP

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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