Tech Lead Mobile (iOS/Android)

Location: Barcelona, Spain (Hybrid – 2 days onsite, 3 days remote)

We are:
Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve.

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Are you a fit?

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

This position is part of our Mobile Engineering organization, working on next-generation applications for premium global brands. As a Tech Lead Mobile, you will provide high-impact technical leadership: guiding architecture, elevating engineering standards, unblocking the team, and influencing the product roadmap through strong technical ownership.

While this role does not involve direct people management, you will mentor engineers, drive technical execution, and ensure delivery of high-quality, scalable mobile solutions across iOS and/or Android.

This role follows a hybrid model, requiring 2 days per week onsite in Barcelona and 3 days remote.

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Key Responsibilities

• Lead architecture discussions, define scalable solutions, and ensure adherence to high engineering standards.

• Guide technical planning, estimations, and end-to-end execution for features and initiatives.

• Mentor junior and mid-level engineers through code reviews, pair programming, and technical coaching.

• Collaborate closely with Product Managers, designers, and backend teams to refine scope and align on priorities.

• Identify technical risks, remove blockers, and foster a proactive problem-solving culture.

• Contribute hands-on to mobile codebases, delivering features, fixing bugs, and improving performance as needed.

• Promote best practices in mobile development, including testing, CI/CD, observability, and architecture patterns.

• Influence engineering processes and roadmap decisions through technical expertise and strong communication.

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Must-have Skills

• 4+ years of experience leading technical efforts or acting as a Tech Lead within mobile engineering teams.

• Strong hands-on expertise in:

  • Android: Kotlin, Jetpack Compose

  • iOS: Swift, SwiftUI

• Solid understanding of data structures, system design, API design, and mobile architecture patterns (MVP, MVVM, declarative UI).

• Experience with Git workflows, CI/CD pipelines, and modern DevOps practices for mobile apps.

• Ability to drive architectural decisions, mentor other engineers, and elevate overall code quality.

• Strong communication skills with advanced English (B2+/C1).

• Ability to align technical execution with business objectives and product strategy.

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Nice-to-have

• Full-stack or backend experience, including cloud services, GraphQL, or Firebase.

• Background working on media, streaming, or news applications.

• Demonstrated interest in innovation and emerging mobile technologies.

• AI Tooling Proficiency: Ability to leverage AI tools for drafting, research, analysis, automation, and recommending AI-enabled improvements to engineering workflows.

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Work Model

Hybrid role based in Barcelona:

• 2 days per week onsite

• 3 days remote

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What we offer

• A High-Impact Environment

• Commitment to Professional Development

• Flexible and Collaborative Culture

• Global Opportunities

• Vibrant Community

• Total Rewards

Specific benefits are determined by employment type and location.

Find out more about our culture here.