Tech Lead - E-Commerce (Contract)

Tech Lead – Mobile Engineering

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

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.

Responsibilities

Lead the technical direction, architecture, and design of mobile applications across iOS and Android platforms.

Collaborate closely with product, design, and backend teams to translate business goals into scalable technical solutions.

Drive execution of complex features, ensuring quality, performance, and maintainability.

Mentor junior and mid‑level engineers, fostering technical growth and promoting a culture of engineering excellence.

Champion engineering standards including testing, CI / CD practices, documentation, and observability.

Support long‑term technical planning, helping shape the roadmap and influencing architectural decisions.

Qualifications

• 5+ years of experience in mobile engineering roles, with at least 2+ years acting as a Technical Lead or similar leadership position.
• Android : Kotlin, Jetpack Compose.
• iOS : Swift, SwiftUI.
• Deep understanding of data structures, system design, design patterns, and mobile architectures (MVP, MVVM, declarative UI).
• Strong understanding of RESTful APIs, client‑side performance optimization, and mobile CI / CD pipelines.
• Familiarity with Git workflows, DevOps practices, and modern mobile delivery processes.
• Bachelor’s degree in Computer Science, Engineering, or similar.
• Advanced English proficiency (written and verbal).
• Exposure to backend or full‑stack technologies, cloud services, GraphQL, Firebase, or related stacks.
• Ability to leverage AI tools for coding, testing, research, or architectural exploration; familiarity with media, news, or highly dynamic mobile content applications.

Commitment to Professional Development

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