One-man engineering team.

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Technical Stack

01

Web Development

Bootstrap
CSS3
D3.js
Gatsby
HTML5
JavaScript
Jest
jQuery
Material UI
Next.js
React
Tailwind CSS
TypeScript
Vue.js
Django
FastAPI
Flask
Python
Docker
Postman
02

Cloud & DevOps

AWS
Azure
Google Cloud
Digital Ocean
Heroku
Vercel
Docker
Kubernetes
GitHub
GitLab
NGINX
Linux
Argo CD
Helm
Grafana
Prometheus
SonarQube
Azure DevOps
Jira
Confluence
Apache Airflow
Visual Studio Code
03

Data Engineering

MongoDB
MySQL
PostgreSQL
SQLite
Azure SQL Database
GraphQL
Skills

Testimonials

Client Locations Map

🌍 Global Reach, Local Impact

Based in France, I work with clients around the world, my international experience includes projects in the United States, France, China and Dubai, giving me a strong understanding of global business cultures and technical expectations.Each engagement is an opportunity to adapt to new environments while maintaining the same level of quality, clarity, and reliability.

Key Highlights:

  • Remote collaboration across multiple time zones
  • Multilingual communication (English, French, Chinese)
  • Adaptable to diverse technical stacks, industries, and delivery models
  • Consistent delivery regardless of geographic location
  • Flexible payment options (hourly, fixed-price, usdc, crypto)
Fabrice Houvet

Zeliang delivered outstanding FastAPI solutions and automated AWS Lambda workflows for our data pipeline. His expertise with MongoDB, Kinesis, and EKS enabled us to build a faster, more reliable, and fully scalable event-driven architecture.

Fabrice Houvet

Tech Lead TGP at Total Energies

LinkedIn
Yu Tu

Zeliang demonstrated exceptional expertise in Python development and data engineering for our DSW China project. His professional approach, technical mastery, and reliable delivery were instrumental in our project's success.

Yu Tu

CN Pole Manager at Dior

LinkedIn
Josué DOUYON

Zeliang is a highly professional data engineer with strong business awareness. His expertise in Dremio helped us build a faster, cleaner, and more scalable data layer. His work had a direct impact on our decision-making speed and accuracy.

Josué DOUYON

Directeur International at DPD

LinkedIn
Denis Moutard

Zeliang worked well with others and efficiently carried forward the progress of our project.

Denis Moutard

Société Générale

LinkedIn
Thien-Loc Nguyen

Zeliang is a self-motivated, reliable consultant with a great team spirit, he continuously produced more than expected.

Thien-Loc Nguyen

Société Générale

LinkedIn
Ala Eddine

I had the chance to work with Zeliang at TotalEnergies. He communicates clearly, collaborates smoothly, and consistently delivers scalable, well-structured solutions. A highly reliable engineer and a great teammate.

Ala Eddine

Free-lancer

LinkedIn