About Grischka
French
Native or bilingual
English
Fluent
Experience
- Amiltone BordeauxFull-stack DeveloperDIGITAL AND ITOctober 2023 - Today (2 years and 10 months)Bordeaux, FranceOctober 2024 - PresentFull-Stack Developer for the relaunch of cliquezpostez.com, a remote mail sending service.💻 Front-end:✔️ Graphic Redesign: Using React, TypeScript, Tailwind.🗄️ Back-end:✔️ La Poste API Integration: Sending LREL-AR letters.✔️ SMS: Sending reception confirmation SMS.✔️ Creation of testing environments and Amplify applications.✔️ Creation of APIs and webhooks.✔️ Migration and connection to the new printing center.✔️ Use of serverless Lambda.📦 DevOps:✔️ Amplify deployment build, automated environment variables.✔️ Deployment and debugging via CloudFormation and CloudFormation template files.----------October 2025 - October 2024Full-Stack Developer on the Flotto project, an automotive fleet management application 🚗 for SMEs.💻 Front-end:✔️ Accessibility Improvement: Using React, Tailwind, and ShadCn to enhance user interface accessibility.🗄️ Back-end:✔️ Document Management: Implementing a user document management solution with Minio.✔️ Registration Flow: Keycloak for sending registration confirmation emails, password resets... Custom theme and template creation. Deployment on the dedicated server.✔️ Paywall and Subscriptions: Integrating Stripe, managing subscriptions with trial periods and payments.✔️ REST API: CRUD operations and ticket resolution on Nest.js, bug fixes, performance optimizations, functional improvements.📦 DevOps:✔️ Dockerization: Updating and maintaining Docker containers.✔️ API Gateway POC: Migrating Kong ➡️ Apisix, configuring Docker containers.🧪 Testing:✅ Writing and executing unit tests with Jest.js.🔬 Other:✅ Code Review: Code quality and adherence to best practices (DOD, Commit trailer...).✅ Hackathon & Pentesting: Preparing for a pentesting hackathon.
- ConsoneoWeb DeveloperENERGY AND UTILITIESSeptember 2022 - October 2023 (1 year and 1 month)Bordeaux, FranceRedesign of the Design System, UX/UI improvements, and deployment of Fullstack POCs.💻 Front-end:✔️ Design System Redesign: Redefining and improving the Design System with React, JavaScript, and Storybook to ensure visual consistency across different components.✔️ UX/UI Redesign: Improving an internal application, integrating new design system components.🧪 Testing:✔️ Testing: Writing and executing unit tests using Jest.js.📦 DevOps:✔️ Dockerization: Implementing containerization solutions with Docker to simplify POC deployment.🔬 Other:✔️ POC Nest.js / Next.js / PHP / Symfony / MySQL / PostgreSQL: Developing fullstack POCs using various technologies.
- Wild Code SchoolFull-stack DeveloperEDUCATION AND E-LEARNINGOctober 2022 - September 2023 (11 months)Bordeaux, FranceFull-Stack Developer on the Mapado project, a web and mobile application for discovering points of interest in the city 🗺️.💻 Front-end (Web & Mobile):✔️ Development of responsive and interactive interfaces with React, React Native (Expo), and TypeScript.✔️ Use of Apollo Client and GraphQL for client-side data management.✔️ Implementation of navigation with React Router (web) and React Navigation (mobile).✔️ Creation of mockups and interactive prototypes with Figma.✔️ Integration of UI libraries (Material UI, Framer Motion, Leaflet for interactive maps).🗄️ Back-end:✔️ Design of a GraphQL API with Node.js, Express, Apollo Server, and TypeGraphQL.✔️ Management of complex entities and relationships with TypeORM and PostgreSQL.✔️ API security (via @Authorized, password hashing with Argon2).✔️ Integration of external APIs (geolocation, city photos) to enrich data.📦 DevOps & Deployment:✔️ Complete Dockerization of services (front, back, tests, database) and orchestration with Docker Compose.✔️ Implementation of a Continuous Integration (CI) pipeline with GitHub Actions.✔️ Automated deployment on VPS with Nginx (reverse proxy), Caddy (SSL certificates), deployment scripts, and DockerHub webhooks for continuous deployment (staging/production).🧪 Testing & Quality:✔️ Writing and executing unit tests (Jest), integration, and end-to-end tests (Playwright).✔️ Use of mocks and isolated environments for robust testing.🔒 Security:✔️ Securing server access (SSH, fail2ban, custom ports).✔️ Protection against XSS, CSRF, SQL injection attacks (parameterized queries, CORS, SameSite cookies).🔄 Methodology & Collaboration:✔️ Team project management (Agile Scrum method, backlog, sprints...).
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Education
- Application DeveloperWCS2022
- Web & Mobile Web DeveloperWCS2021