Qonto

Senior Product Engineer - Android/Kotlin

Qonto
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5 years ago
Barcelona, SpainSenior

Responsibilities

  • Own Android product features end-to-end from discovery and technical design through implementation, rollout, and iteration.
  • Drive technical decisions with Product, Design, and Backend while balancing user experience, performance, security, and time-to-market.
  • Improve mobile architecture, performance, reliability, maintainability, and testing strategy.
  • Address real-time synchronization, resilience patterns, and navigation challenges in a modular codebase of approximately 1,000 modules.
  • Lead code reviews and technical discussions, share engineering patterns, and mentor peers.
  • Collaborate within a squad of 5 to 10 people and contribute to Qonto’s broader mobile engineering community.

Requirements

  • Strong native Android experience with production Kotlin features and end-to-end technical ownership.
  • Experience making technical decisions and solving complex problems under ambiguous constraints.
  • Commitment to unit, UI, and snapshot testing, clean code, and pragmatic engineering standards.
  • Daily use of AI coding tools to enhance engineering output.
  • Fluent English communication and willingness to contribute through code reviews, knowledge sharing, and mentorship.
  • Ability to live in or relocate to Germany, France, Italy, Serbia, Portugal, or Spain.

Benefits

  • Unlimited access to Claude Code, Cursor, and Copilot in an AI-first engineering environment.
  • Strong code review, continuous refactoring, and correctness practices in a regulated fintech context.
  • Opportunity to work on technically demanding fintech problems involving security, compliance, and real-time data.
  • Full ownership of a product scope within autonomous squad teams.
  • Hiring process averages 20 working days.

Tech Stack

GitHub ActionsJetpack ComposeKotlinSonarQube

Categories

MobileProduct Engineering
Qonto

About Qonto

1,001-5,000 employees

Qonto provides online business banking and finance tools for SMEs and freelancers in Europe, including accounts, cards, payments, spend management, invoicing, and bookkeeping integrations. It operates on subscription plans with add-on and usage-based fees, and serves 600,000+ customers across eight countries. Founded in 2016 and headquartered in Paris, the company has been profitable since 2023 and remains privately held.

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