Freelancer profile translated to English.
Back to original languageAbout Pierre
Lead Developer / Tech Lead Senior with an Engineering Manager mindset.
I help teams and products reach the next level: technical structuring, debt reduction, developer skill enhancement, and delivery of robust solutions.
With experience in large corporations, startups, and as a solo founder, I work on both architecture and code, with a pragmatic, impact-oriented, and sustainable solutions approach.
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 50km), Paris (up to 10km), Bruxelles (up to 10km)
Experience
- Pierre Fiorelli - MinglooFounder & DeveloperTRAVEL AND TOURISMMay 2024 - Today (2 years and 1 month)Lille, FranceDesign and solo development of Mingloo, a mobile and web application facilitating the connection of travelers to share activities and reduce costs.
Responsibilities
- Full development of the multi-platform application (Web, iOS, Android)
- Design of the technical architecture and product choices
- Implementation of key features: activity creation, location search, messaging, notifications, onboarding
- Management of the entire product lifecycle, from idea to production
Technical Stack
- Frontend: Flutter (multi-platform)
- Backend & services: Firebase (authentication, database, analytics, crash reporting, notifications)
- Deployment
- Publication and maintenance of the application on Google Play Store and Apple App Store
- Monitoring of performance, crashes, and user feedback
This experience highlights my ability to design, develop, and deliver a complete product alone, with a technical, product, and operational vision.Mingloo in a nutshellWith Mingloo, easily find other travelers or locals ready to share outings, good deals, or costs! Whether you want to visit a museum, go hiking, rent a car, or share the costs of a boat trip, Mingloo is here for you! - CleverConnectHands-On Engineering ManagerHUMAN RESOURCESDecember 2021 - November 2023 (1 year and 11 months)Lille, France
Role Evolution
Following my Lead Developer role, I evolved into a hands-on Engineering Manager to support team growth and further structure the technical and human organization.Managerial Responsibilities
- Direct management of a team of 4 developers
- Implementation of regular one-on-one meetings for follow-up, motivation, and alignment
- Consideration of each developer's personal and professional aspirations
- Assistance in skill development and team empowerment
- Interface between the development team and higher management (product, management, executive)
- Clarification of priorities, arbitration of technical issues, and risk reporting
Hands-On Dimension
- Maintaining strong technical involvement to stay close to the product and field constraints
- Daily technical support to the team (reviews, coaching, structuring decisions)
- Targeted contribution to complex or cross-functional topics, particularly around video and architecture
This role allowed me to combine human management, technical leadership, and product vision, while ensuring continuity and quality of delivery. - CleverConnectLead DeveloperSOFTWARE PUBLISHINGSeptember 2017 - December 2021 (4 years and 3 months)Lille, France
Project Context
Visiotalent is a deferred video interview platform aimed at shortening recruitment processes and helping companies identify new talents faster. The core of the product relies on video recording on the candidate's side and video processing/viewing on the recruiter's side.My Contribution as Lead Dev
- Implementation and dissemination of good development practices within the team
- Introduction and strengthening of unit tests
- Organization and facilitation of code reviews to improve overall quality
- Active participation in reducing existing technical debt
- Technical support for developers and assistance in decision-making on architectural choices
- Direct contribution to the development of critical features, particularly around video
Technical Environment and Challenges
- Legacy application in PHP + AngularJS
- Progressive migration to a modern Angular + NestJS architecture
- Implementation of microservices
- Use of AWS for video storage and processing
Work on specific video-related challenges:- Candidate-side video recording (reliability, UX, performance)
- Recruiter-side video processing and playback
- Management of the technical transition without service interruption or functional regression
Creation of connectors with external ATS to integrate with our clients' candidate journeys, including:- SuccessFactors
- Cornerstone
- Workday
- and many others
This mission allowed me to combine technical leadership, continuous improvement of an existing product, and progressive modernization of a critical video-oriented stack.
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Education
- UX Training Level 1Formation UX Niveau 1
- Expert in Computer Science and Information SystemsSUPINFO - The International Institute of Information Technology2010Expert en informatique et systèmes d'information