My Experience
From Paris to Taipei to San Francisco — 6 years building backends and cloud infra
Professional Experience
Backend Tech Lead (GERMEN/POLYSEME)
SprintMob (Freelance)
Aug 2024 — Present
Paris, France
Existing backend to redesign as full AWS serverless. 5 backend engineers to structure.
- Backend stabilized and cleaned up — easier to ship new features
- Complete test pipeline reducing regressions
- Reliable CI/CD → faster deployments
- Better DX — team spends time coding, not fighting tooling
Backend & Infrastructure Lead (SALVA/Cagn'Up)
SprintMob (Freelance)
Aug — Dec 2024
Paris, France
Built the backend and AWS infrastructure from scratch for SALVA/Cagn'Up product.
- Complete backend delivered from scratch
- Modular and maintainable AWS infra via Terraform/Terragrunt
- Clean dev environment → fast onboarding
Principal Engineer
Infodeck.io (Freelance)
Jun — Nov 2024
Paris, France
The platform had stability and code quality issues. I cleaned up processes and reviews.
- Reduced critical incidents
- Improved code quality via structured code reviews
- Clear eng process — team knows who does what and how
DevOps Engineer
UnaBiz (CDI)
Apr 2021 — Jun 2024
Taipei, Taiwan
High-traffic IoT platform — 8M+ requests/day. Cloud infra had to handle the load and stay maintainable.
- -50% CloudFormation deployment time
- -30% AWS costs via FinOps
- Resilient architecture handling millions of events/day
- Tightened security, passed IEC 27001 audit
Cloud Engineer
RAVACAN (CDI)
Mar 2020 — Mar 2023
San Francisco, USA
Cut AWS costs and set up dashboards so the team could actually see what was happening in prod.
- -10% AWS costs
- More stable and maintainable infrastructure
- Automated processes → fewer errors
Backend Engineer
Mayday (CDI)
Jul 2020 — Mar 2021
Paris, France
Backend dev and Heroku-to-Azure migration for a fast-growing SaaS platform.
- Successful Heroku → Azure cloud migration
- Automated CI/CD → fast deployments
- Unified multi-application authentication
Technical Skills
AWS Serverless
Backend
Infrastructure as Code
DevOps
Cloud
Leadership
Education
EPITECH — European Institute of Technology
Master's degree, Computer Science (2016 — 2021)
Feng Chia University
MCA, Computer Science — Taipei, Taiwan (2019 — 2020)