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Trainline

Junior Android Engineer

Trainline

. Contribute to the design and implementation of software for Android users .

Posted 10/30/2026full-timeBarcelona • SpainJunior💰 €40,000 - €45,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Android software development using Kotlin, with a strong focus on user experience and continuous delivery. Proficient in Agile methodologies, including Scrum, and committed to maintaining high app quality and reliability.

Highest-signal resume keywords
Kotlin ProgrammingAgile PracticesCI/CD KnowledgeDesign PatternsGit Experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Kotlin ProgrammingDesign PatternsSOLID PrinciplesClean Code PrinciplesCI/CD Knowledge
Soft Skills
Enthusiasm for User ExperiencePassion for Continuous Delivery
Tools & Technologies
GitAgile MethodologiesScrumContinuous IntegrationPair Programming
Industry Keywords
Mobile EngineeringProduct LifecycleSoftware DevelopmentApp QualityCustomer Devices

Tech Stack

Tools & technologies
AndroidKotlin

About the role

Key responsibilities & impact
  • Contribute to the design and implementation of software for Android users
  • Participate in a cross-functional team
  • Engage in all aspects of the product lifecycle
  • Work closely with the team and Product to drive and deliver roadmaps
  • Build and deliver software using Agile practices, Scrum, two-week iterations, continuous integration and pair programming
  • Deliver new functionalities and features
  • Help set technical direction and provide shared foundations, tools and standards for mobile engineering
  • Support app quality, speed and reliability on customer devices

Requirements

What you’ll need
  • Good working experience with Kotlin
  • Enthusiasm for a great user experience
  • Passion for continuous delivery
  • Experience working with Git
  • Solid grasp of Design Patterns, SOLID and Clean Code Principles
  • Knowledge of CI/CD
  • Ability to work from the office a minimum of 60% of the time over a 12-week period

Benefits

Comp & perks
  • Private healthcare and dental insurance
  • Generous work from abroad policy
  • 2-for-1 share purchase plans
  • EV Scheme
  • Extra festive time off
  • Family-friendly benefits
  • Clear career paths
  • Transparent pay bands
  • Personal learning budgets
  • Regular learning days
  • 28-day Work from Abroad policy