I have expertise in IaC on AWS (from architecture to production). Proactive and results-oriented, I combine technical expertise, adaptability, and effective communication to successfully complete complex projects.

Alexandre Vallois

I have expertise in IaC on AWS (from architecture to production). Proactive and results-oriented, I combine technical expertise, adaptability, and effective communication to successfully complete complex projects.

Available to hire

I have expertise in IaC on AWS (from architecture to production).

Proactive and results-oriented, I combine technical expertise, adaptability, and effective communication to successfully complete complex projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Work Experience

Senior Full Stack Developer at Goliath's (Freelance)
September 20, 2022 - September 20, 2023
Developed a trading app and APIs using Node.js/Express; migrated APIs to AWS Lambda/API Gateway; built a scalable, secure cloud architecture leveraging AWS services (Lambda, SQS, SNS, Kinesis, CloudFront, API Gateway, OpenSearch, Bedrock); implemented front-end components and rebranding; focused on customer management, monitoring, and product data analytics.
AWS Full-Stack Developer at La Centrale
December 20, 2023 - Present
Design and deployment of high-performance, compliant AWS cloud architectures for the used-car marketplace; work across infrastructure, workers, and API-to-front-end components (micro-frontend approach); API and front-end development; deployment optimization and monitoring.
Full Stack Developer at Arke Up
September 20, 2020 - December 20, 2021
Web application development (Node.js, React.js) for an IT services company; back-office improvements and optimization; unit testing for Odoo modules; development of new modules from scratch; corrective and evolutive maintenance.
Full Stack Developer at Securinfor
March 20, 2020 - August 20, 2020
Back-end and front-end development for web applications; React/Node.js-based tooling; Python and PostgreSQL-based back-office specifications; development of new modules and migrations; corrective and evolutive maintenance.
Full Stack Developer at La Pause Baskets
May 20, 2018 - March 20, 2020
Corporate sports platform development using Python/JavaScript; Odoo ERP-based back-office modules, migrations, and maintenance; improvements and performance optimization.
Senior Full Stack Developer at La Centrale
December 20, 2023 - Present
Design and deployment of scalable AWS-based architectures and full-stack development for the Paris-based used-car marketplace; created infrastructure as code with AWS CDK/CloudFormation; implemented serverless backend components (Lambda, API Gateway, SQS, SNS, DynamoDB, OpenSearch, CloudFront, ALB) and frontend/backend integration, including branding updates.
Freelance Full Stack Developer at Goliaths
September 1, 2022 - September 20, 2023
Developed API-based backend for a mobile app using Node.js/Express; migrated to AWS Lambda and API Gateway; built full-stack features for customer management, tracking, and product data analytics. Tech stack included Node.js, ReactJS, MongoDB (+ time series), MySQL, Redis; integrated with Stripe, GetStream.io, Customer.io and other services; conducted unit/functional/non-regression testing; worked with various third-party services.

Education

Diploma at 42 Paris
January 1, 2017 - January 1, 2021
Certificate at 42 Paris
January 1, 2017 - January 1, 2021

Qualifications

AWS Certified Solutions Architect – Associate (SAA-C03)
January 11, 2030 - May 13, 2026
AWS Solutions Architect – Associate (SAA-C03)
January 11, 2030 - May 13, 2026

Industry Experience

Software & Internet, Professional Services