Freelancer profile translated to English.
Back to original languageAbout Sebastien
Looking for a Tech Lead Node AWS?
Do you need to build a scalable and secure Cloud architecture?
Do you want to develop your SaaS, internal application, or mobile application?
You are in the right place.
I am a software engineer with over 8 years of experience.
I specialize in Angular, NestJS, Ionic frameworks and the AWS cloud.
I have worked in various sectors such as agriculture, sports, finance...
I have collaborated with companies such as Bonduelle, Ledsreact, Harmoney...
I am certified:
- AWS DevOps Engineer
- AWS Solution Architect
- AWS Security Specialist
- AWS Database Specialist
- HashiCorp Terraform
I am able to:
- Contribute to best development practices (Automated tests, Clean Code, DDD ...)
- Support developers in their skill development
- Design, develop, and maintain features in line with business needs
- Lead and participate in refactoring, continuous improvement, and contribute to code reviews
- Develop a NestJS/Node.JS backend
- Design the most suitable cloud architecture for the project's needs with AWS
- Implement a continuous testing and deployment strategy
- Participate in the writing of detailed technical specifications
- Write technical documentation
- Implement CI/CD
I also have knowledge of Agile methodology, testing frameworks like Playwright, Jest, and infrastructure as code with Terraform.
I put the user at the center of the projects entrusted to me. (Feedback loop, needs understanding meetings,...)
Do you have a project?
Contact me, I respond quickly!
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Tech Lead Node Angular, Tech Lead Node, Tech Lead Nodejs, backend node.js, back-end nodejs, back end node, node js, aws, aws architect, AWS Architect, aws devops, nestjs, nest, nest.js, nest js, nestjs angular, fullstack, full-stack, full stack, Software Engineer.
French
Native or bilingual
English
Fluent
Can work on-site
Toulouse (up to 50km), Lyon (up to 15km), Bordeaux (up to 15km), Paris (up to 15km)
Experience
- BonduelleTech Lead Node AWSAGRICULTURESeptember 2022 - Today (3 years and 9 months)FranceBonduelle is one of the largest global agri-food companies.Founded in 1853, this company owns several brands such as Cassegrain, Globus, and Ready Pac Bistro.The company employs nearly 12,000 people and has dozens of factories worldwide.I joined the Dev/DevOps team within the IT department to participate in the development of highly strategic internal projects.We were organized into squads per project, ranging from 2 to 15 people.My team consisted of:- 1 Tech Lead- 5 Developers- 1 DevOps- 1 Tester- 3 Product OwnersAs Tech Lead, I was responsible for:- Daily team management- Establishing the technical roadmap for the coming months- Implementing an automated testing strategy with Playwright and Jest- Monitoring adherence to development best practices in NodeJs, NestJS, Angular, and Typescript- Cloud architecture and cost management on AWSI contributed to the following evolutions:1. User satisfaction and adoption rate:- Resolution of numerous bugs- Elimination of slowdowns by dividing loading times by up to 8- Significant improvement in design and responsiveness2. Developer satisfaction and team velocity:- Delivery times to production divided by 3- Team velocity multiplied by more than 2!- Implementation of continuous integration and deployment pipelines.- Deployment times divided by 5!- Complete overhaul of both software and Cloud architecture3. Application focused on user needs:- Regular calls with the main users of the application- Establishment of technical roadmaps for future developmentsTechnical Context: AWS, Terraform, Typescript, Node.JS, NestJS, Angular, Tailwind, JIRA, Agile Methods, Jest, Playwright, Unit tests, End-to-end tests, NX, MikroORM, Gitlab, CI/CD
- Craft Your Taste | TastefeverTech Lead Node AWSSOFTWARE PUBLISHINGMarch 2024 - Today (2 years and 3 months)Waregem, Belgium[Occasional Mission]I provide occasional support to this client for a few hours per month.CraftYourTaste is an innovative startup aiming to trace wine production from vine to bottle.Founded in 2024, the company has about ten employees and is rapidly expanding.I joined the team from the beginning to participate in the development of the main platform.I contributed to establishing best practices for both code and cloud infrastructure.The team consisted of 1 PO, 1 graphic designer, 1 Tech Lead, and 3 developers.As Tech Lead, I was responsible for:- Establishing and implementing project best practices in terms of Node.JS, NestJS, Angular software architecture (DDD, Clean Architecture, SRP, ...)- Designing and implementing a highly available multi-environment cloud architecture on AWS (Multi AZ, horizontal scaling, ...)- Implementing best security practices in the Cloud (AWS Config, CloudTrail, Security Hub, IAM Identity Center, Zero Trust Policy, WAF...)- Implementing an off-site backup system on Scaleway- Full automation of deployments via CI/CD deployment pipelines (Github Actions)- Implementing observability with Sentry- Writing documentation for technical audits- Implementing an AI chatbot using Anthropic ClaudeThis robust and scalable infrastructure has provided Craft Your Taste with a reliable, secure, and high-performing technical platform to effectively support their growth.This enabled the company to secure its first 7-figure funding round!All project details: https://www.tastefever.comTechnical Context: AWS, Terraform, Typescript, Node.JS, NestJS, Angular, Tailwind, Figma, JIRA, Confluence, Jest, Playwright, Unit tests, End-to-end tests, Agile Methods, AI, NX, Chart.JS, TypeORM, Github, CI/CD
- LedsreactTech Lead Node AWSSPORTSSeptember 2020 - September 2022 (2 years)BelgiumLedsreact is a startup developing a unique device for measuring the performance of elite athletes.The company has several dozen clients worldwide, such as Nike, Juventus, Eagles...Thousands of athletes use Ledsreact to improve their performance.I joined the team at the very beginning of the project for 2 years as Tech Lead to develop the first version of the product.The team consisted of:- 1 Tech Lead- 4 developers- 1 PO- 1 graphic designer- 2 electronic designersAs Tech Lead Node AWS, I was responsible for:- Recruiting and supervising the development team- Supervising and managing the software aspects of the company: Node.JS, NestJS, Angular- Implementing the multi-region Cloud architecture (Europe + USA) on AWS- Setting up continuous integration and deployment pipelines (Gitlab CI/CD)- Ensuring the project's progress to meet very tight deadlines- The smooth running of technical and security audits- Implementing monitoring (Datadog)- Implementing Infrastructure as Code (Terraform)I contributed to the production launch of V1 of the project, which allowed Ledsreact to acquire its first prestigious clients like Nike and the Eagles.I also contributed to the following aspects:- The proper development of the multi-platform Mobile application (Angular/Ionic) communicating via Bluetooth with the connected device- Deployment on the App Store and Play Store of the application- The proper development and deployment of the SAAS platform- The implementation of a highly secure Multi-region Cloud architecture to store data considered "health data"All product information is available here: https://www.ledsreact.comTechnical Context: AWS, Terraform, NestJS, Angular, Gitlab, CI/CD, Datadog, Ionic, iOS, Android, Bluetooth, IoT, JIRA, Agile Methods, Figma
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Education
- 42, Computer Software Engineering42201742, Computer Software Engineering
- BAC STI2D (mention very good), General StudiesLycée de la tourelle2014
Certifications
- HashiCorp Certified: Terraform Associate (003)Hashicorp2024
- AWS Certified DevOps Engineer – ProfessionalAmazon Web Services Training and Certification2022