Freelancer profile translated to English.
Back to original languageAbout Sonny
Expert Fullstack Typescript & Javascript | Senior Developer | Over 6 years of experience
With7 years of experience**, including 3 as **Lead Developerfor a fintech company.
I currently design and build Full Stack applications with a strong commitment tostandardsandbest practices.
I assist entrepreneurs, digital agencies, and startups with **all these aspects**:
🧠Design:
- Provide insights on technical feasibility.
- Quickly estimate the cost of selected assumptions.
- Design and architecture adapted to needs.
👩‍💻 Implementation and Development:
- Programming solutions
- Creating automated tests to maintain quality over time
- Implementing continuous deployment (CI/CD) for rapid iteration
🌲 Technical Lead:
- Lead regular meetings to foster a collaborative spirit.
- Code reviews
- Technology watch
- Implementing points that facilitate information sharing and skill transfer
Feel free to contact me via Malt messaging, and I will respond as soon as possible.
Looking forward to working with you.
Contract Type: Time and materials or Fixed price
My Key Skills:
Backend:
- Typescript
- AdonisJS
- NestJS
- Express
- Fastify
- Hono
- Docker
Frontend:
- ReactJS
- NextJS
- Angular
- Panda css
- Typescript / Javascript / JSX
- HTML5 / CSS3 / SASS SCSS
- Prettier / Vite
- Redux / ReactQuery / TanStack
Databases:
- MySQL
- PostgresSQL
- MongoDB
- ElasticSearch
DevOps:
- Kibana
- AWS (Amazon web services)
- Cloudflare
- Docker
- CI/CD (gitlab / circleci / github actions)
- Notions on K8s, Pulumi, Terraform, Ansible
Practices:
- TDD
- DDD
- Functional Programming (fp-ts)
UI/UX:
- Responsive
- Material Design
- Material ui
- Panda css
- Shadcn
- radix ui
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- DOTSHALead DeveloperSOFTWARE PUBLISHINGSeptember 2021 - May 2024 (2 years and 8 months)Tours, FranceDesign and implementation of the application as a whole. Code review and writing of technical and business documentationMain tasks:- Architecture of the project from scratch-> Implementation of a microservices architecture-> Management of synchronous/asynchronous communication between services- Design and implementation of an statistics engine based on the ELK stack- Design and implementation of an integration system to extend the application's capabilities.-> Integration with Stripe, Pennylane, Hubspot, Worldline, Eurosign, ...- Design and implementation of a robust payment system for overall billing management.- Design and implementation of a "Workflow" system allowing users to manage automations based on a predefined list of events
- WORLDLINE GLOBALDevelopment EngineerSOFTWARE PUBLISHINGJuly 2019 - September 2021 (2 years and 2 months)Tours, FranceProject management in an international context.Main tasks:- Migration of applications from Tapestry to Angular- Implementation of an ELK stack for monitoring application usage- Development of new features for Java applications- Design and implementation of an automation tool
- OrangeDeveloperTELECOMMUNICATIONSSeptember 2016 - September 2017 (1 year)Paris, FranceVBA development and project management during my studies until graduation.Main tasks:- Creation of a tool to automate repetitive tasks based on Excel files and Access databases- New Access database automating a "workflow"- VBA scripts automating business processes- Training colleagues on new tools- Leading workshops on digital innovations and basic IT security rules
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Education
- Computer Engineering, Computer SciencePolytech Tours2020Ingénieur en informatique, Informatique
- DUT Computer Science, Computer ScienceIUT de VĂ©lizy2017DUT Informatique, Informatique