Freelancer profile translated to English.
Back to original languageAbout Alexis
Developer & Systems Engineer | C++ • TypeScript • DevOps • Cloud
I am a developer specializing in C++ and TypeScript/Node.js, with solid experience in API design, performance optimization, and the implementation of reliable and secure infrastructures.
My expertise extends to both application back-end, virtualization, DevOps, and network security.
I can assist with:
- Application Development: design in C, C++, TypeScript/Node.js, adherence to design patterns & SOLID principles, implementation of unit & E2E tests.
- Databases: modeling, optimization, and management (PostgreSQL, PL/SQL, Redis).
- Systems & Networks: Ubuntu/Debian administration, network configuration (TCP/IP, BGP, VXLAN, DNS, iptables, VPN), mail services, network security.
- Virtualization & Containerization: Proxmox, OpenStack, Docker, Kubernetes (K0S, K3S, K8S).
- DevOps & Cloud: automation and orchestration (Terraform, Ansible, Consul), monitoring (Grafana, VictoriaMetrics), CI/CD (GitLab CI, ArgoCD), reverse proxy (Traefik, Nginx).
- Security & High Availability: OPNsense, OpenVPN, DNS management, system hardening.
What I bring to you:
- Performant and robust solutions, tailored to your business needs.
- A global vision (development + infrastructure + security).
- Concrete experience in project management and deployment of solutions in production.
Languages
- French: Native language
- English: B2
With rich experience in software architecture and diverse skills, I offer performant solutions tailored to your needs. My knowledge in continuous deployment, web performance, and project management allows me to best meet your expectations.
📩 Whether for a project from scratch or to improve an existing system, do not hesitate to contact me!
French
Native or bilingual
English
Fluent
Can work on-site
Nice (up to 20km)
Experience
- GoupilDesigner DeveloperAUTOMOBILEJune 2024 - September 2025 (1 year and 3 months)Bordeaux, France
Design and development of an automotive fleet management software
Participation in the **design and development of an electric vehicle fleet management software**, deployed in production and integrated into the company's internal processes.Main achievements:- Full development: design, back-end implementation, and software deployment.
- Infrastructure & production: setup and administration of the development and production environment.
- DevOps & CI/CD: creation of continuous integration and deployment pipelines to ensure reliable production releases.
- Cybersecurity: vulnerability identification, proposal, and patch integration.
- Innovation & R&D: research of innovative technical solutions and technological watch.
- Communication & Management: presentation of strategic projects to the management committee.
Skills used:C++, TypeScript/Node.js, PostgreSQL, Docker, Kubernetes, GitLab CI, Application Security, Infrastructure Management, Technical Communication - VantageDevelopment of a SAAS FROM SCRATCHBANKING AND INSURANCEDecember 2023 - September 2024 (9 months)Le Cap, South Africa
Development of a complete SaaS
I collaborated with Vantage, a credit repurchase company with over 200 employees, to design a completeSaaS**from scratch**. I was responsible for the entireAPI (back-end)part, managing every step from client interaction to development, deployment, and maintenance.Technologies used:- Language:C++
- Libraries:Boost
- Package Manager:Conan
- Compilation and Automation:CMake, Makefile, Bash
- Service Orchestration:Docker, docker-compose
- Continuous Integration:Gitlab CI
Missions carried out:- Creation and deployment of a completeback-end APIfor SaaS software.
- End-to-end project management: needs analysis, development, deployment, and maintenance.
- Implementation of a robust and scalable back-end architecture inC++.
- Automation of tasks and scripts withMakefileandBashfor smooth deployment.
- Use ofDockeranddocker-composeto efficiently orchestrate all services.
- Setup of acontinuous integration pipelinewithGitlab CIfor an optimized development process.
This mission allowed me to consolidate my technical skills in C++ as well as in project management, while ensuring the continuous delivery of a performant software solution adapted to the client's needs.
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Education
- RNCP 7 - IT ARCHITECTURE EXPERTÉcole 42
- RNCP 6 - IT SOLUTIONS DESIGNER DEVELOPERÉcole 422025