LD BB DEVELOPMENT

Senior engineer and mentor.

Lilia Dassine Belaïd Bründler

Based in Switzerland, I help startups and established teams around the world ship mobile and web products, from design through launch.

  • Mobile
  • Frontend
  • Fullstack
  • Mentoring
Work with me Download resume
Portrait of Lilia Dassine Belaïd Bründler

01 About

Twenty years of shipping products people hold in their hands.

I am a senior mobile and frontend engineer and mentor, working from Switzerland with teams around the world. I have spent my career helping startups and established businesses design, develop, and launch applications. When the product needed it, I have also led teams as a fullstack engineer and CTO.

The work has been with companies around the world: native iOS in Objective-C and Swift, React Native and Flutter products, and the web stacks around them. Firebase, AWS, MongoDB, and GraphQL show up often.

Outside engineering I hold a Level 5 TEFL certification. Volunteering and translation have always been part of the path. I care about language, mentoring, and making cross cultural collaboration feel ordinary.

02 Selected work

A few products I have shipped.

01 · Since 2023

titis.app

A parenting and family discovery app I have been building since 2023. An interactive worldwide map for kid friendly places, hidden gems, and local events, plus curated tips for parents at home or traveling.

Flutter, Dart

Website Google Play App Store

02 · Gameloft / FreshPlanet, Montreal and NYC

SongPop

Led a React Native team on the music trivia game, a 2020 Webby Award People’s Voice winner in Games / Puzzle. Maintained shipping features, prototyped a generic trivia version, and contributed to SongPop 3, the next generation of SongPop 2.

React Native, GraphQL

Website Google Play App Store

03 · Roo, San Francisco

Roo.vet mobile

Built the mobile version of the Roo veterinary platform from scratch, the kind of greenfield work where product sense and engineering have to move together.

TypeScript, React Native

Website

04 · SightCall, San Francisco

Visual support apps

Owned internal and partner facing iOS, Android, and WebRTC visual support apps used with HP, Salesforce, Zendesk, and Zimbra, plus troubleshooting and validation across C++ SDK releases.

iOS, Android, WebRTC, C++ SDK

Website

05 · TC Transcontinental, Montreal

P$ Mobile

The official parking payment app for Stationnement de Montréal. Shipped the iPhone and iPad product that Montreal drivers used for years to pay street parking from their phone.

iOS

Mobicité

03 Experience

From protocol work in Montreal to product leadership worldwide.

  1. 2023 to now Switzerland

    Founder titis.app

    Building a parenting and family discovery app in Flutter: an interactive worldwide map for kid friendly places, hidden gems, and local events, plus curated tips for parents at home or traveling.

    Website Google Play App Store

  2. 2017 to now Remote

    Mobile Engineer Self employed

    Helped startups around the world design, implement, and submit Swift, Objective-C, React Native, and React apps and MVPs. Also stepped in as fullstack engineer, team lead, and CTO.

    Client work
    • EPFL, Lausanne. Mentor at the Coding Club des filles.
    • Thinkful (Chegg), New York. Web and fullstack development mentor.
    • Roo, San Francisco. Mobile app for Roo.vet from scratch. TypeScript / React Native.
    • Storey, San Francisco. Refactored the codebase, shipped Android, and added new features.
    • Gameloft / FreshPlanet, Montreal and NYC. Led a React Native team on SongPop and SongPop 3.
    • Validity Labs, Zug. Mio, a decentralized dating MVP. React Native / Firebase.
    • KarmaList, Berlin. CTO for a blockchain review platform idea; helped mature the concept and write the white paper.
    • P22 Studio, Auckland. Hear (augmented audio, React Native / Obj-C) and Slice (animated photo art, Obj-C).
    • David’s Bridal, Dallas. Internal Swift 3 app for store appointments and clients.
  3. 2015 to 2017 San Francisco

    Mobile Engineer Keaton Row

    Designed and shipped an Objective-C chat and shopping app. Built and maintained Node.js APIs and Angular web features, and ran multi platform QA.

  4. 2014 to 2015 San Francisco

    Mobile Software Engineer In-Depth

    Improved backend scale and performance for processing and storing terabytes of unstructured data.

  5. 2014 San Francisco

    Application Mobile Engineer SightCall

    Took ownership of internal and external iOS, Android, and WebRTC visual support apps, and tested, troubleshot, and validated C++ SDK versions for partners.

  6. 2013 to 2014 Remote

    Fullstack Engineer Self employed

    Earlier client work
    • OpenLabel, San Francisco. iOS 7 upgrade and redesign, product scanning and search improvements. Obj-C.
    • QuickEstimates, Toronto. Features and maintenance for iOS and web. Obj-C.
    • Groupe Média TFO, Toronto. First in house iOS work for mini TFO BiblioMini. Recruited, trained, and led iOS developers.
    • MusicMotion, Montreal. UI implementation for KiloRun, the runners and music app. Coached two developers.
  7. 2012 to 2013 Montreal

    iOS Developer Nurun (Québecor)

    Built a Core Data and iOS platform structure and shipped the first version of the illico.tv iPad application.

  8. 2010 to 2012 Montreal

    Fullstack Engineer TC Transcontinental

    Shipped iPhone and iPad apps including Sears WishBook 2011, On the Table / Quoi Manger (App Store Best of 2012), P$ Mobile for Stationnement de Montréal, and WebLocal. Built promotional mobile sites for Skittles and Shoppers, plus Java router features for SMS and email alerts.

  9. 2008 to 2010 Paris

    Software Engineer Mphasis Wyde & Cardif BNP Paribas

    Joined the Mphasis R&D team to upgrade WynSure, its web services, and data replication tool. Integrated the replication tool and trained the insurance team at Cardif BNP Paribas.

  10. 2006 to 2008 Montreal

    C++ Developer TC Transcontinental (Lipso)

    Designed services for a C++ router: SMPP, PAP, MM7, UCP, including boarding pass scan and flight notification for Montréal Trudeau, and maintained wireless number portability.

04 Capabilities

A stack built in production, not on a skills chart.

Mobile

  • Swift / SwiftUI / Objective-C
  • Java
  • React Native
  • Flutter / Dart

Web & backend

  • JavaScript / TypeScript
  • React / Angular
  • Node.js
  • GraphQL
  • C++ / C#
  • Python

Data & platforms

  • AWS
  • Google Cloud (GCP)
  • Firebase
  • Google Analytics
  • MongoDB / MySQL
  • OpenAI / Gemini
  • Vector search

Product & craft

  • Figma / Sketch / Canva
  • GitHub Copilot
  • Team leadership
  • Mentoring
  • Technical writing

05 Education

Foundations, then a long practice.

  • IT & Development, Master

    Virtual IT Campus, University of Limoges, 2008

  • Computer Engineering, Bachelor

    Polytechnique Montréal, 2006

  • TEFL Level 5

    The TEFL Academy, Level 5. Mentoring, writing, and translation still sit beside the engineering work.

06 Volunteering

Time given to the next cohort.

  • Onja, Madagascar

    2024. Mock interviewer for software engineering students.

07 References

What collaborators have said.

  • I hit the jackpot when we hired Lilia. She is an exceptional developer, and saved our startup from making costly mistakes. Lilia is a pro. She writes great code, and everyone on the team loved working with her.

  • She is an absolutely amazing iOS developer. I would recommend her without hesitation to anyone working on consumer mobile apps.

  • I worked with Lilia for two years on the Keaton Row iOS application and found her to be a very talented developer who is extremely dedicated and has the highest standard of quality. I would absolutely recommend her to anyone wanting to build an iOS development team.

  • Lilia n'a pas lésiné sur les efforts et s'est beaucoup impliquée sur le projet.

08 Contact

A conversation about the next launch.

If you need a senior mobile and frontend partner, a mentor who has already made the expensive mistakes, or help with writing and translation, write to me.