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Staff Mobile Engineer


27 days ago
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Back Market is the world’s leading refurbished electronics marketplace with a team of 650 people, powering operations in 21 countries (and counting!).

Named one of the World's Most Innovative Companies by Fast Company in 2019 and again in 2021, our mission is simple: empowering people to consume tech sustainably by offering folks a high quality, accessible, and more eco-friendly alternative to buying new electronics.Why? Refurbished tech helps lower our collective environmental impact. We have indeed contributed to avoid the production of more than 1,000,000 tons of CO2e worldwide since our launch in 2014.

Be part of an exciting and growing international adventure that will change the way the world consumes tech.

The role & responsibilities

Back Market is looking for a Staff Mobile Engineer to play a pivotal role in our strategic app-first approach set for the upcoming year. Our goal is to enhance user engagement by accelerating the development of innovative features and optimizing the overall app experience.

As a Staff Mobile Engineer, you will be at the forefront of our mobile engineering efforts. You will be instrumental in aligning, designing, and driving the architectural vision for our mobile platforms & app features.

Mobile engineers come from different cultures, backgrounds, and working environments. They are spread across Europe (Spain, France, Germany). Each squad is composed of pairs of iOS & Android engineers, working on the native language to build the best experience for our users.

You will collaborate with other product squads & stakeholders, along with the Mobile Core squad (Platform) that is providing the foundations & infrastructure for your developer experience on apps. That’s why we are also in favor of having mobile engineers from product squads contributing to technical & core projects from time to time. It’s not only user experience but tech excellence.

Your expertise in native platforms (major iOS or Android), combined with your ability to make strategic decisions and communicate effectively across all levels of the organization, will be key to driving our mobile engineering success. You will assist in ensuring that tasks are appropriately delegated, decisions are made judiciously, and information flows transparently within the company.

What you will do :

  • Lead the delivery of high-quality iOS & Android code (significant experience in one of these platforms), setting benchmarks for excellence and scalability, thereby propelling our app's capabilities and product cycle velocity.
  • Elevate the development of advanced app-first features, by emphasizing iOS & Android platforms innovation, bridges, and actively building expertise within the mobile engineering community at Back Market.
  • Collaborate with a cross-functional team of iOS & Android engineers, as well as peers from various disciplines (SRE, Backend, Frontend, CyberSec, Data, etc.), to foster a culture of technical excellence and shared knowledge.
  • Take ownership & anticipating significant technical projects, managing dependencies both internally and externally, to realize the engineering and product visions.
  • Drive the user experience forward by partnering with Product Managers & Designers, implementing intuitive UI animations, transitions, and accessibility features, while ensuring adherence to our Design System.
  • Architect robust and efficient code patterns, by leveraging the latest iOS & Android technologies, while maintaining a commitment to the app architecture principles, like modularity and dependency injection.
  • Advocate for efficient testing methodologies, from unit and UI tests to cutting-edge end-to-end practices, ensuring the highest quality and reliability of the features developed.
  • Monitor app performance meticulously, utilizing tools like Datadog and Crashlytics to track UI and core functionality, and implement strategies to prevent regressions.
  • Act as an internal spokesperson for the mobile engineering stack, advocating for technical initiatives internally, and representing Back Market at external tech events, conferences, and meetups, while also contributing to the broader tech community through articles and continuous learning
  • Must have skills and experience

  • 7+ years of relevant and broad mobile engineering experience
  • Strong technical leadership with multiple teams, ability to build and drive mobile engineering vision & engineering excellence
  • Technical expertise in building and scaling native apps on iOS or Android (B2C), with high traffic, weekly features delivery & resolving complex issues
  • Experience successfully operating in a multi-module architecture
  • High knowledge and advocacy of Apple and Google UI guidelines, Swift & Kotlin languages, and mobile platforms’ frameworks.
  • Proven track record for mentoring and developing engineers
  • Good written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
  • Additional Information


    - A meaningful job: you will help avoid thousands of tons of electronic waste and fight against planned obsolescence. It counts!

    - A meaningful company: we became a mission-driven company in January 2022.

    - Be part of a worldwide growing company based in Europe, the USA and Asia to face great challenges : you will have the freedom to innovate and adopt new ideas!

    - Work alongside passionate experts: who will share their knowledge and help you develop and grow in your career.

    - Grow your career: with a flexible career path and a dedicated Learning & Development team. Back Market will help you evolve with personalized internal trainings and external handpicked providers from day 1!

    - Leadership Academy by Back Market:“be a coach not a dictator” is at the core of this program ! We train and enable all our leaders to support their team towards achieving goals. Be a manager at Back Market is an unique experience we take by heart.

    - An attractive salary, equity and a host of benefits including : Lunch voucher, health insurance, relocation package, paid time off for activism in your community, parental benefits, flexible hours, etc…

    - One Loving Tribe: you will have the opportunity to work in a fast-paced, open-minded and friendly environment.

    - Be part of one of our Employee Resource Groups createdaround shared identities, common backgrounds and/or special interests crafted to be a safe space and an expressive outlet.

    - Several internal events: The Monday Brief (weekly)/ The Somehands (monthly)/ The All Hands (annual).

    - We’re here to SABOTAGE: It’s our mantra. It keeps us focused on what we aspire to be: a little bit sneaky, always smart, kinda frugal and constantly conspiring to create maximum impact.

    Back Market is an Equal Opportunity Employer which means we pledge to not discriminate against employees based on race, color, religion, sex, national origin, age, disability or genetic information.. If reasonable accommodations are needed for the interview process, please do not hesitate to discuss this with the Talent Acquisition Team.

    Back Market is helping to address one of the biggest challenges of our time: climate change. We take this so seriously that we were awarded status as a “Société à Mission”, or company with a social mission, by the French government. We know we can’t tackle a global problem without a globally representative team so we are committed to embedding diversity, equity and inclusion principles in every aspect of our organization. But more importantly, being One Loving & Free Spirited Tribe is in our DNA as it is one of the five foundational values of our company since we got started way back in 2014. We are committed to hiring and supporting diverse teams of people from all backgrounds, experiences, and perspectives. We know our lofty goals cannot be reached unless everyone has a seat at the table along with the resources and opportunity to grow.

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