Staff Mobile Engineer (iOS)

Staff Back-end Engineer

Coupang

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.  We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.   Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.  As a part of Ecommerce Engineering team, we exist for wow customer experiences, world class service excellence and hyper growing revenue. To achieve this, we build scalable & extensible architecture to support fast business growth & expansion, we create high performance & resilient backend system to handle increasing customer requests and we setup stable & fault-tolerant mechanisms to guarantee the customer experience. Creating disruptive products & resilient platforms for customers with world-class talents and cutting-edge technology is our vision and our commitment to the company.    Key Responsibilities:  * Hands on engineering leader with deep understanding of open source statck and distributed systems * Design layered application, drive the highest quality of architecture and design of purchase/logistic systems * Align with PO and business to understand the problem and come out solution, and align with stakeholders and lead engineers on mission critical projects to resolve complex business problem * Draw a roadmaps and vison for the scalable and robust growth of the merchant platform to support business growth * Collaborate with other Coupang tech teams to make the service extensible to unlock opportunities for innovations   Basic Qualifications:  * Excellent communication skills, good read/write skills in English * Good deep dive skills and someone who is bar raiser for engineering excellence * At least 5+ years working experience on software design & development * Good experience on distributed system and rich experience developing large scale enterprise * Able to work in a dynamic and fast paced environment with frequent and on-time * Bachelor’s degree in Computer Science, Engineering or related field   Hiring may be restricted  in case the legal qualifications required for hiring and work performance are not met. Privacy Notice  Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.  https://rocketyourcareer.cn.coupang.com/privacy-policy Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Staff Mobile Engineer - React Native (x/f/m)

Doctolib

WHAT YOU'LL DO We are looking for a Staff Mobile Engineer with strong expertise in React Native to join our Patient domain at Doctolib. As a Mobile Staff Engineer, your mission will be to work on transforming the Doctolib mobile app into a full health companion powered by AI to help people lead healthier lives. You will play a key role in improving the quality, UX, and depth of our mobile application while contributing significantly to the technical foundations of mobile development for the team. Working in the tech team at Doctolib involves building innovative products and features to improve the daily lives of care teams and patients. We work in feature teams in an agile environment, while collaborating with product, design, and business teams. Your responsibilities include but are not limited to: * Establish and evolve mobile architecture patterns and technical standards for the patient domain * Drive technical excellence across mobile development, ensuring high code quality and best practices * Contribute to the technical roadmap and guide architectural decisions for the mobile platform * Mentor and support mobile engineers in implementing robust, scalable solutions * Lead by example in building features that enhance the user experience and app performance   ABOUT OUR TECH ENVIRONMENT * Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to the country and healthcare specialty requirements. To address these challenges, we are modularizing our platform run in a distributed architecture through reusable components. * Our mobile applications are built with React Native. The rest of our stack is composed of Rails, TypeScript, Java, Python and Kotlin. * We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here and learn about our first AI hackathon here!   WHO YOU ARE Before you read on — if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. * You have at least 5+ years of software engineering experience building high-usage mobile applications, ideally in B2C environments * You have deep expertise in React Native and mobile development best practices * You have a track record of establishing technical standards and improving code quality at scale * Are product-oriented and comfortable guiding your teammates to suggest tradeoffs to balance business needs with technical constraints. * You demonstrate strong technical leadership and the ability to guide teams through complex technical challenges * You are fluent in English Now it would be fantastic if you: * Have experience working in healthcare or other regulated industries * Have contributed to open-source mobile projects or mobile developer communities * Have experience with native iOS or Android development alongside React Native   WHAT WE OFFER * Free comprehensive health insurance for you and your children * Parent Care Program: receive one additional month of leave on top of the legal parental leave * Free mental health and coaching services through our partner Moka.care * For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support * Work from abroad for up to 10 days per year thanks to our flexibility days policy * Work Council subsidy to refund part of sport club membership or creative class * Up to 14 days of RTT * Lunch voucher with Swile card   JOB DETAILS * Permanent position * Full-time * Paris, France * Start date: as soon as possible * Working mode: hybrid   THE INTERVIEW PROCESS * Recruiter Interview * Mobile Pair Programming * Mobile App Design * Behavioral Interview * At least one reference check * Offer! If you would like to find out more about tech life at Doctolib, feel free to read our latest Medium blog articles!      At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination. The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, disability. To ensure equal opportunities, we invite you to exclude personal information (e.g. pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process.  Join us in building the healthcare we all dream of! All information provided is processed by Doctolib for application management. For data processing details, click here.  Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.

Mobile Software Engineer (senior/staff level)

Joko

At Joko, we help consumers shop smarter. Our mission is to revolutionize shopping, empowering people to find what they need, make informed decisions, and save money. Founded in Paris, Joko is a tech company and certified B Corp with over 105 talents across Paris, Barcelona, and New York (and beyond). More than 6 million users already save money every day at 10,000+ merchants with Joko. From cashback and automatic coupons to price alerts and carbon tracking, we keep expanding our products to make shopping smarter. We’re now building an AI-powered shopping assistant to help users find the best products by price, quality, and environmental impact. Having reached profitability in our core market, we’re now scaling globally, with a strong focus on the US. It’s still day 1, come build the future of shopping with us! This position is remote-friendly (France and Spain). 📱OUR ENGINEERING TEAM Our Engineering team excels at solving cutting-edge technical challenges with elegant solutions. With a strong focus on product innovation and design, they are shaping the future of the shopping experience. Their ambition is to have a positive impact on the everyday lives of hundreds of millions of users around the world. Software Engineers in the Engineering team work hand-in-hand with the Product team, from exploration, design, and roadmap prioritization to implementation, and deployment in production. At Joko, we have firsthand experience that teams with engineers who possess a diverse range of skills, and where engineering and product collaborate closely, are able to deliver a truly delightful and innovative user experience. The Engineering team is currently growing fast to continuously innovate on all parts of our product and tech stack and to empower the revolution of the way people shop online. 🎯 WHAT YOU WILL DO At Joko, we value ownership and impact. As our Mobile Engineer, you will own meaningful parts of our mobile application in production, from technical design to delivery and continuous improvement, while collaborating closely with the wider engineering team. * Mobile architecture & development: Contribute to the definition and evolution of our React Native architecture, while designing, developing, and refactoring features in our mobile application, with a strong focus on scalability, maintainability, and performance. * Codebase modernization: Incrementally improve an existing React Native codebase by adopting modern patterns, best practices, and platform capabilities, balancing long-term quality with short-term product needs. * Performance & user experience: Measure, profile, and optimize mobile performance (startup time, rendering, memory, caching), proactively preventing regressions and maintaining a high-quality user experience at scale. * Tooling & developer experience: Improve mobile developer productivity by evolving tooling, build systems, debugging workflows, and automations, ensuring fast feedback loops and reliable day-to-day development. * Mobile platform expertise: Provide deep React Native expertise across the team by reviewing designs and implementations, challenging assumptions, and driving better technical solutions in production. * Release & quality processes: Improve and maintain mobile CI/CD pipelines, testing strategies, and release automation for both iOS and Android. * API & data integration: Collaborate closely with backend teams to design and integrate robust APIs and data flows, and occasionally contribute targeted improvements to backend code to support mobile product needs. * Collaboration & mentorship: Participate in technical discussions, review code, and help raise mobile engineering standards across the team. 👀 WHO WE'RE LOOKING FOR * Experience: 5+ years of mobile development experience, with clear expertise in React Native. You've operated at a senior or staff level and you're ready to own meaningful parts of a production app end-to-end. * Mobile expertise: Deep React Native expertise, with a strong understanding of mobile architectures and performance tradeoffs. * Technical excellence: Strong understanding of mobile architectures and performance tradeoffs, with experience building reliable, data-driven applications in production. * Product-minded: Strong sensitivity to user experience, performance metrics, and real-world usage at scale. * Problem solver: Comfortable working in complex, evolving codebases, with the patience and pragmatism to improve them incrementally. * Mobile tooling & delivery: Experience with mobile CI/CD, release processes, testing, and platform-specific constraints (iOS & Android). * Collaboration: Able to work effectively within a broader engineering team, and collaborate closely with Product Managers and Product Designers to turn product ideas into high-quality mobile experiences. * Languages: Fluent in English, both written and spoken. French is not required. 💎 OUR PERKS (Some of the benefits listed below are available to full-time positions only) At Joko, we believe that flexibility and trust are essential. Our work environment reflects this through: * Flexible remote : If you live in Paris, you can choose to work from our office or from home with no constraints. If you live elsewhere, we can provide access to a coworking space and a coworking budget. * Work from anywhere : Want to spend a month in Italy while working? You can work from most countries in the world for up to 3 months per year. On top of that, we offer plenty of perks: * 💸 Top-market compensation * 📈 Equity for everyone with the chance to own a piece of what you build * 🤖 Half-day each week dedicated to leveling up with AI by exploring new tools, iterating hard, and sharpening your skills * 🌴 Yearly offsite in amazing locations and budget for team-building events & monthly in-person gatherings * 💪 Contribution to your ClassPass subscription * 🍼 8-week leave paid 100% for the second parent * …and much more, check the full list here! 🤝 OUR HIRING PROCESS 1. Intro call: Quick screening with the Hiring Manager or the Talent team. 2. Step 1 – Team interview (45 min): Conversation with two Joko team members (could include the Hiring Manager, people from the team you’d join, or colleagues from other teams). 3. Step 2 – Role-specific assessments * For non-engineering roles: A take-home case study followed by a 45-min interview. We assess both your output and how you think in real time. The exercise will be relevant to your role (e.g. analysis, strategy, or process design). * For engineering roles: A 90-min live technical interview on CoderPad covering code understanding, review, system design, and product thinking (with AI serving as a collaboration tool). 4. Step 3 – Leadership interview (45 min): Conversation with a SteerCo member and a Founder. 5. References: Up to 3 calls with former colleagues or managers. ☕ You may also be invited for coffee with team members to get a feel for our culture.