Olivier Mercher

Co-founded Scout (https://www.teamscout.app/) — sports team management for coaches, parents, and players — scheduling, chat, attendance, payments & invoicing, media galleries, injury tracking, team board; shipped on iOS and Android. Technical lead in a team of 4 — Flutter, Supabase, Firebase, PostHog, Stripe and Toss Payments; architecture, integrations, CI/CD, and production releases. Antler Korea KOR8 residency program; pilots with 5 clubs (~20 teams). Product metrics on teamscout.app include 500+ teams and 1,000+ active users worldwide. Led full stack — Flutter client and Supabase backend; owned roadmap, CEO technical advising, QA, and deployment. Built CI/CD with Codemagic; reached 300+ users in the first month post-launch. Sole engineer among five — Flutter + Supabase MVP and Codemagic CI/CD; MVP contributed to securing funding for the full build. Search/matching features and performance (React Native, Redux); GitHub Actions CI/CD and Firebase. App received Google recognition and App Store featuring.

Antler is a global early-stage venture capital firm that invests in the defining technology companies of tomorrow.

As the Lead Developer at Ballbolt, I was entrusted with the entire technical development of the application, using Flutter for the frontend and Supabase for the backend. Over a six-month period, I planned and executed the development process, advised the CEO on technical strategies, and managed all aspects of testing and deployment. Implementing continuous integration and continuous deployment (CI/CD) pipelines using Codemagic, I ensured efficient and seamless workflows. The project culminated in the successful full launch of the application, achieving over 300 users within one month of release, demonstrating the app's effectiveness and market appeal.

As the Lead Developer at Applotto, I spearheaded the development of the MVP application, utilizing Flutter for the frontend and Supabase for the backend, over a six-month period. As the sole developer in a team of five, I was responsible for all technical aspects of the project, including planning the development process, advising the CEO on technical strategies, conducting thorough testing, and overseeing deployment. I implemented continuous integration and continuous deployment (CI/CD) pipelines using Codemagic to streamline workflows and ensure a seamless development experience. My efforts culminated in the successful launch of the MVP, which was instrumental in securing funding for the full-scale development of the project.

As a Mobile Developer at Nomadher, I worked on an application designed to connect women traveling alone for tips or companionship. Over a six-month period, I was part of a six-person team, including two developers, and was responsible for developing the search and matching feature to connect travelers and optimizing the application's performance. Using React Native with Redux, I ensured efficient state management, and leveraged GitHub Actions for continuous integration and deployment (CI/CD) pipelines. We used Firebase as the backend to support real-time data synchronization and authentication. Our efforts resulted in the application receiving multiple awards from Google and being highlighted by the Apple Store, showcasing its impact and success in the market.

As the Lead iOS Developer at Innosonian, I was integral to the development and enhancement of an innovative application that monitors CPR manikin vital signals, providing real-time feedback to ensure proper CPR technique. Over my three-year tenure, I utilized native iOS development with Swift and SwiftUI, incorporating CoreBluetooth to connect with the manikins. Leading a frontend/mobile team within a 10-person engineering team, I oversaw all aspects of the app's interface and user experience. Our application achieved significant milestones, including partnerships with the American Red Cross and deployments in numerous hospitals and universities across the US and Europe. During the COVID-19 pandemic, I contributed to pivoting our approach by developing a web platform using React, enabling a fully online training experience with video calls and real-time feedback visibility. By incorporating extensive feedback from medical professionals, I ensured the app's usability was optimized for hospital and university environments, leading to critical design changes. Additionally, I created comprehensive documentation for troubleshooting errors, ensuring seamless client support and maintenance.

At Ubudu, a startup specializing in indoor localization with proprietary devices like iBeacon and ultra-wide band technologies, I managed all technical aspects of projects in Asia. Key projects included collaborating on a notable app with Hong Kong's MTR and Madame Tussauds, which won an award for its AR indoor location capabilities. I coordinated with an international team based in France, Poland, and Hong Kong, handling the technical implementation on the Hong Kong side. My role involved creating proof of concepts, addressing technical inquiries, and providing support for app development, installations, and troubleshooting. I managed client relationships by overseeing technical aspects, conducting on-site visits to ensure proper technology function, and training client staff. Additionally, I contributed to incorporating Ubudu’s technology into various client mobile apps and created comprehensive documentation and training materials to facilitate effective use of our technology.

Barclap is a food tech startup created in 2015 in Paris, the idea is to make managements easier by taking more automatised in restaurant using a centralised tool and iPad. Their clients are mainly restaurant in Paris like Cafe Dupont and Levy restaurants. In a brand-new startup, I created a back office website in Angular.JS. from scratch. I was also in charge to create an iOS library that handle our API calls from our backend.

ViralGames is a web agency, specialised in viral marketing websites by using mini- games. In a small company of 20 persons, we developed several websites for marketing purposes. The websites were created in PHP/CSS/HTML and Drupal.