Ouadie LAHDIOUI
Senior Back-End Software Engineer | AWS
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Senior Backend Developer and AWS Solution Architect with extensive experience in Node.js, TypeScript, and cloud architecture. Proven expertise designing serverless systems, implementing secure payment solutions, and migrating monolithic applications to modular architectures. I optimize performance, enhance security, and streamline deployments while guiding teams through AWS best practices and technical transformation to deliver resilient, scalable solutions.
Work experience
Senior BackEnd Software Developer / AWS Solution Architect
BlankFreelance
Feb 2022 - Dec 2024
2 years 11 months
Paris, France
✅ Implemented strong customer authentication (SCA) for secure payments ✅ Designed and optimized REST APIs, including OAuth2 authentication with PKCE, API signature verification, and a 3DS payment API ✅ Led the migration from a monolithic architecture to a modular NX-based SDK ✅ Enhanced API security and performance with mTLS, JWT, SSL ✅ Conducted onboarding, technical workshops, and contributed to the migration of a core banking system.
AWS Solution Architect / Sr BackEnd Software Developer
EurosportFreelance
Jan 2019 - Mar 2022
3 years 3 months
Paris, France
✅ Designed the technical architecture of a serverless project on AWS Cloud ✅ Migrating existing products to AWS ✅ Implemented a CI/CD pipeline with CircleCI and automated deployments using Terraform ✅ Led the onboarding of new team members and collaborated with partners in London and Seattle ✅ Training internal teams
Sr BackEnd Software Engineer
TheFork
Oct 2018 - Jan 2019
4 months
Paris, France
✅ Mission for SOAT
Sr BackEnd Software Engineer
BNP Paribas
Jan 2018 - Dec 2018
1 year
Paris, France
✅ Mission for SOAT
BackEnd Software Engineer
AXA en France
Nov 2016 - Mar 2018
1 year 5 months
✅ Mission for SOAT
Software Engineer
OCTO Technology
Jan 2016 - Dec 2016
1 year
Software Engineer
SQLI
Dec 2014 - Mar 2016
1 year 4 months
Rabat Prefecture, Morocco
Software Engineer
IT Road Consulting
Mar 2013 - Dec 2014
1 year 10 months
Rabat Prefecture, Morocco
Software Engineer
Creative Technologies s.a
Jun 2011 - Dec 2011
7 months
Rabat Prefecture, Morocco
Education
Université Ibn Zohr
Master Of Science In Distributed Computing
2011 - 2013
2 years 1 month
Licenses & certifications
AWS Certified Developer Associate
Issued: Jan 2021
AWS Certified Cloud Practitioner
Issued: Jan 2021
AWS Certified Solutions Architect
Issued: Jan 2019
Scrum master
Issued: Jul 2017
Functional Programming Principles in Scala
Issued: Jul 2017
Data Science 101
Issued: Jul 2017
M101J: MongoDB Java Developer
Issued: Nov 2014
Oracle Certified Professional, Java SE Programmer
Issued: May 2013
Portfolio
