
Gregoire Barret
Orchestrating high-performance engineering teams and delivering sophisticated digital architectures with a decade of expertise in Android, React, and Java ecosystems.
Career Milestones
Business Architecture Manager
- Participate in the planning, estimation and project governance.
- Involve in each project phase, from requirement gathering.
- development, testing, performance, and production release.
- Define project structure, technical solution, coding standard, code quality, and development processes.
- Ensured seamless production deployment and delivery, maintaining high standards in project execution.
- Implement spring boot microservice in AWS and Microsoft Azure.
- Develop mobile application in android native, Flutter and web application in ReactJS.
- Ensure project meet the security and performance best standard and practice.
- Work with the Agile methodology, expertise in Jira and confluence.
- Involve in DevOps by creating jenkins pipeline and testing tools.
Business Architecture Associate Manager
- Create a Loan application for a bank mobile system in Swift for IOS and Kotlin for Android.
- Create a React.JS web application to request and receive loan approval from a partner mobile application.
- Managing a team of eight front-end and eight back-end developers.
- Upskilling the front-end team to include mobile development.
- Boost the current app's performance and code quality.
- Specify the code standard, enhance overall quality, raise unit test coverage to ensure compliance with our requirements, and optimize build time and system. Specify the work approach and the branching strategy
- Develop a testing suite solution that will enable quality assurance to test every scenario without requiring partner applications, hence saving time for testing each scenario.
- Oversaw the production deployment preparation and coordinated with the bank team on all the necessary documentation and security controls.
Consultant / Team lead
- Lead a squad of 2 mobiles developer then 8 React.js and Spring Boot developers in an agile environment.
- Drove frontend development and contributed to backend design and delivery.
- Managed releases and deployments across multiple environments using Jenkins, ensuring smooth delivery and adherence to sprint goals.
- Defined software architecture, developed a reusable React UI library, and optimized the CI/CD pipeline.
- Led the development of a mobile banking platform, managing a team of 3 Android developers using a waterfall methodology.
- Oversaw feature estimation, planning, and production support for a platform serving millions of users.
Android Team lead
- Develop native android applications for customers.
- Follow specifications and design.
- Develop backend application in spring boot.
- Follow the latest statement of android development.
- Testing new technologies and improve code quality.
- Taking care of reducing the technical dept.
- Code review and pair programing with all team members.
- Create CI/CD process.
- Have a change to support and be responsible for the android team.
- Assisting to meetings with customer all along the development process.
- Mentoring and training junior members.
Technical Arsenal
A comprehensive suite of technologies leveraged to build scalable, high-performance enterprise applications.
Mobile
Web
Backend
DevOps
Education
Esirem
Master degree in engineering, specializing in IT, Electronics and Embedded Systems — University of Burgundy
IUT Le Creusot
Industrial processing and Automation technology — IUT LE CREUSOT
Engineering leadership with a human touch.
I am a Development Manager with 10 years of experience in the software industry. My expertise spans across mobile development with Android, modern web applications using React, and robust backend systems with Java Spring Boot.
Throughout my career, I have transitioned from a technical specialist to a leadership role, managing teams and architecting complex business solutions. I am passionate about clean code, efficient CI/CD pipelines, and mentoring the next generation of developers.
10+
Years Experience
50+
Projects Delivered
20+
Engineers Led
4
Core Frameworks

Technical Journal
Other Skills
- Agile and waterfall Methodology
- Work under limited timeframe and pressure
- Strong client focus and build relationship
- Negotiate with all party for find the best compromise
- Communication with all vertical team of a project
- Git, Gitlab, GitHub, Bitbucket
- Responsive Design
- Clean ARchitecture, SOLID principles
- E2E Testing