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Dera RakotondrajaonaDR

Dera Rakotondrajaona

Systems and Networks Engineer

€450/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Dera

I am a DevOps Engineer specializing in AWS Cloud, with strong expertise in infrastructure as code, systems security, and deployment automation, while also possessing a solid full-stack culture.

I design, deploy, and secure modern cloud platforms, while supporting development teams through my in-depth understanding of CI/CD pipelines, distributed architectures, and business processes.
🛠️ Technical Expertise

AWS Cloud: Implementation of robust architectures with EC2, S3, RDS, EKS, IAM, Route 53. Complete automation via Terraform, Helm, and GitLab CI/CD.

Security: WireGuard VPN, pfSense firewall, GeoIP filtering, container hardening, RBAC/ABAC via Cerbos.

DevOps: CI/CD pipelines, infra provisioning, centralized monitoring, alerting, audit logs.

Network Infrastructure: VLAN segmentation, DMZ, application firewall, granular security policies (IAM, ACL).

👨‍💻 Full-stack & Collaborative Dev Culture

Backend: FastAPI, SQLAlchemy, PostgreSQL/PostGIS, secure REST APIs, multi-tenant management, Alembic migrations.

Frontend: Next.js (App Router), Tailwind CSS, dynamic dashboards, multi-level filters.


🚀 Projects Recently Led

Deployment of an intelligent WebTV with AWS IVS, EKS, video processing (OpenCV/YOLO), Next.js dashboard.

Multi-tenant health platform with role management via Cerbos and enhanced security.

Automated geospatial pipeline with osm2pgsql, Apache NiFi, shapefiles, and PostGIS.


🎯 What I Offer

Creation or modernization of secure AWS infrastructures

Automation of DevOps / CI/CD / GitOps processes

Network security, IAM governance, RBAC, monitoring

Fluid collaboration with product / dev / infra teams
  • French

    Native or bilingual

  • English

    Conversational

  • Malagasy

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • FRESIA MEDIA
    Systems and Networks Administrator
    July 2021 - November 2022 (1 year and 4 months)
    Provence-Alpes-Côte d'Azur, France
  • Teleperformance
    IT Administrator
    June 2018 - June 2021 (3 years)
  • Teleperformance
    IT Officer
    May 2016 - April 2018 (1 year and 11 months)

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Education

  • Computer Engineering, Systems and Networks Administrator
    National School of Informatics (ENI) Fianarantsoa
    2013
    Ingenieur informatique, Administrateur systèmes et réseaux
  • Baccalaureate, Scientific
    Lycée Privé Gallo Junior
    2007
    baccalauréat, Scientifique

Skill set (21)

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