Mobile Product Designer

Yubo

WHO WE ARE Yubo is the Social Discovery app to make new friends and hang out online. By eliminating likes and follows, we empower our users to create genuine connections and show up as their true selves. We've pioneered a new way for Gen Z to socialize online, and with millions of active users, our goal is to redefine how we connect today and tomorrow. Our team is international, multicultural and deeply committed to its mission. As the leading platform to socialize online, we have a special responsibility to build a safe digital space for our community. Safety is embedded in our DNA, and our proactive approach focuses on user protection, support, and education. We also work closely with the broader technology industry to share our knowledge and NGOs create industry-leading child protection standards. Join us in this exciting journey and help us shape the future of social interactions! ABOUT THIS ROLE: At Yubo, design has a real seat at the table. It leads squads in partnership with Product Management and Engineering, shaping strategy and decisions from ideation all the way to delivery, with direct and visible impact on both the product and the business. We're precisely looking for a Mobile Product Designer to co-lead one of our Product Squad. This is a highly strategic role where you'll help shape product strategy, design experiments, and deliver end-to-end product initiatives focused on impacting growth, retention, and monetization across a product used by millions of users. You'll spend time understanding user behaviour, exploring solutions, validating ideas, and refining experiences based on real-world data, all for the sake of shipping quality experiences. We don’t expect everything to be perfect from the get-go though, so expect iteration at every occasion! This role is particularly well suited to someone who enjoys balancing product thinking with strong craft, and who wants their work to have a visible impact on business outcomes and user experience alike. Like what you’re reading already? I think you’ll enjoy what follows. YOUR RESPONSIBILITES * Lead product design projects from discovery through delivery and post-launch iteration * Partner closely with Product Managers, Engineers, Brand Marketing, Data Analysts, Legal and Trust&Safety to solve meaningful user problems * Contribute to product strategy, experimentation, and roadmap discussions * Design mobile-first experiences across iOS and Android with strong attention to usability, accessibility, and visual quality * Translate user needs, business goals, and technical constraints into thoughtful product experiences * Use analytics, feedback and competitive insights to formulate design decisions * Create prototypes and test concepts to validate ideas quickly * Help evolve and maintain Yubo's design system and contribute to design consistency across the product * Advocate for high-quality user experiences while remaining pragmatic about delivery and iteration TOOLS WE USE: * Figma * Amplitude * Notion * Enterpret * Slack * AI tooling: Dust, Claude Code / Codex (prototyping & daily workflow) WHO YOU ARE: * You have 3-4+ years of experience designing digital products, ideally within consumer mobile applications * You are comfortable owning projects from problem definition through launch * You combine strong visual design skills with solid product thinking * You know how to use data, research, and user feedback to guide decisions * You can communicate design rationale clearly to both technical and non-technical stakeholders * You enjoy collaborating closely with Product and Engineering teams * You are comfortable working in a fast-moving environment where priorities can evolve * You have the conviction to make bold design calls and defend them * You design with the user at the center * Experience with social, community, social discovery, gaming, or consumer subscription products is a plus WITHIN A MONTH, YOU WILL: * Get familiar with Yubo's product, users, business model, and design principles * Build relationships with your Product Squad and key stakeholders across Product, Engineering, Data, Brand, Trust&Safety * Understand current product priorities, ongoing experiments, and major user journeys * Learn how we use data and research to make product decisions * Start contributing to design discussions and smaller initiatives WITHIN 6 MONTHS, YOU WILL: * Own the design of your squad's key initiatives end to end, from discovery and experimentation to polished, shipped mobile experiences that move your squad's objectives. * Use data, user insight and experimentation to frame problems, validate your design decisions, and measure their impact after launch. * Contribute beyond your squad to the broader design team, raising the craft bar, strengthening our design system, and influencing product decisions across the company. THE RECRUITMENT PROCESS * Phone screen with Nicolas, Talent Acquisition * First interview with Sacha, our CEO * Case Study and debrief with the Design team * Cultural fit assessments * And if everything went well, an offer! WHAT WE OFFER * A highly competitive salary range as well as equity in the company * A highly flexible remote work policy, 2 days at the office per month, with monthly team events. * We also cover fees for external professional events and meetups (Android Makers, etc…) * Great health insurance coverage for both you and your family by Alan, fully paid for by Yubo ! * Numerous benefits for parents: additional parental leave, easy access to nurseries and daycare facilities in France. OUR APPROACH TO PRIVACY & SAFETY As part of your role, you may handle tools and features involving personal data. We expect all employees to demonstrate strong awareness of privacy and safety issues, and to actively support our Privacy & Safety by Design efforts. Join Yubo and help shape the future of Social Discovery while enjoying a culture that values flexibility, well-being, and impact.   Here’s how we live our mission every day: You own the impact: Step up, adapt, and make it matter Unconventionally Smart: Hack with intent, borrow smart, build better Be Bold & Resilient: Raise your head, break barriers, keep moving forward One team, one mission: No egos, no passengers, just shared wins   Trust & Flexibility: Our hybrid model calls for only two office days a month; the rest is up to the rhythm that works best for you.   Enjoy Top-notch Benefits Culture is central at Yubo, hence the numerous benefits: Cool Workplace: enjoy our amazing Parisian office and our many hybrid work options Team Activities: participate in get-togethers, events, and team-building activities Family-Friendly: we support parents with childcare options and family-friendly policies Wellness Programs: benefit from comprehensive health insurance, wellness programs, sports classes, and mental well-being initiatives

Navigate AI

🚀 MOBILE ENGINEER Location: SF/NYC/ Hybrid Type: Full-Time | Founding Team Opportunity ABOUT NAVIGATE AI Navigate is an early-stage startup building groundbreaking technology to bring AI to the largely untapped workforce in the field. We've partnered with some of the biggest construction companies in the US and have access to sophisticated AI, AR, and CV platforms, —but now we need to shape it into a magical product. This is where you come in. THE ROLE We're looking for a mobile engineer who thrives at the intersection of product, design, and engineering. You're someone who cares deeply about the end-to-end user experience, not just the code. You’ll help us transform bleeding-edge AI into something people want, love, and use daily. You’ll collaborate directly with the founders to shape the mobile product from scratch, build out core features, and influence every decision—what we build, how it feels, and how it scales. WHAT YOU’LL DO * Design, develop, test, and deploy high-quality mobile applications on iOS (Swift) and Android (Kotlin/Java) platforms. * Collaborate with product designers, AI/ML engineers, and backend developers to deliver seamless UX and feature-rich functionality. * Integrate UI designs and wireframes into engaging, interactive mobile experiences. * Connect mobile apps to backend APIs (e.g., REST, GraphQL) and cloud services (e.g., AWS, Firebase). * Improve app performance through memory and network optimization, profiling, and performance tuning. * Establish and maintain CI/CD tooling for mobile development, and manage app store release pipelines. * Write clean, maintainable code and conduct code reviews, unit and UI testing, and debugging. * Stay up to date with mobile development best practices, emerging tools, frameworks, and trends. * Advocate for mobile-first thinking in user workflows and help shape product evolution. YOU MIGHT BE A FIT IF YOU: * 3+ years of experience in mobile app development with demonstrable work on iOS and Android. * Proficient in Swift and Kotlin (or Java), and with development tools like Xcode and Android Studio. * Strong understanding of mobile architecture patterns (MVC, MVVM, Clean Architecture), best practices, and UI/UX design guidelines. * Experience with API integrations, third-party SDKs, and mobile networking. * Skilled in testing (unit tests, UI tests), build automation, version control (Git), and release management. BONUS POINTS IF YOU: * Cross-platform experience using Flutter, React Native, or similar frameworks. * Familiarity with mobile analytics, crash reporting, performance monitoring (e.g., Firebase Crashlytics). * Knowledge of secure coding practices and data privacy guidelines. * Exposure to Agile workflow, JIRA/Trello, and remote collaboration tools. WHY JOIN US? * Help shape a truly innovative product from day one * Work with a small, fast, curious team who cares deeply about the craft * Have massive influence over what we build and how we build it * Competitive salary + meaningful equity

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.