Freelancer profile translated to English.

Description

With 15 years of experience in IT development across various sectors such as transport, telecommunications, social media analysis, and advertising, I've had the opportunity to work on the entire technical chain of web solution production.

Within your organization, I can:

- Develop POCs and MVPs on emerging technologies and concepts.

- Perform front-end or back-end development (API creation and maintenance, data processing, transformation, and visualization).

- Assist in implementing best practices and application/infrastructure architectures (including CI/CD, Cloud, Infrastructure as Code).

- Aid in technical recruitment.

- Act as a liaison between Product Owners and developers to improve communication and predictability of deliverables (implementing tools and indicators, assisting with estimations, deployment reliability, etc.).

- Audit, refactor, and migrate existing applications, particularly towards React.JS / Node.JS / AWS / ES6+ or TypeScript.

- Set up back-end infrastructures related to the web, in the AWS Cloud (including containers, Kubernetes, serverless, etc.).

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Bloom
Back-end, Cloud, and Scalability Architecture Consultant
SOCIAL NETWORKS
April 2019 - Today (7 years and 3 months)
Neuilly-sur-Seine, France
Consulting mission on the BLOOM solution for social media analysis.

Reliability and optimization of data collection and normalization processes in Node.js, SQL, Elasticsearch.
Migration of the data infrastructure to AWS Cloud (RDS PostgreSQL, Aurora Serverless, SQS, SNS, Lambda, Kubernetes (EKS), EC2, autoscaling, VPC networking, Cloudwatch, IAM...).
Implementation of Infrastructure as Code (CloudFormation).
Participation in setting up the new streaming and microservices architecture.
Contributions to the CI/CD pipeline (GitLab CI).
Amazon Web Services Kubernetes Elasticsearch Node.js Terraform JavaScript PostgreSQL Python Google Cloud
Bouygues Telecom
Lead JS Full Stack Developer / AWS Solutions Architect
TELECOMMUNICATIONS
January 2017 - April 2019 (2 years and 3 months)
Meudon, France
Architect/Tech Lead for the 2018/2019 redesign of the bouyguestelecom.fr website.

Achievements as Architect:

- Front-end performance and best practices expert for bouyguestelecom.fr (React/Preact, PWA, TypeScript, tooling, accessibility, measurement...).
- Implementation of a new platform in Infrastructure as Code, using serverless and container technologies, via Cloudformation and SAM.
- Research and implementation of numerous AWS services (Lambda, S3, Cloudfront, Lambda@Edge, ECS, SQS, API Gateway, Cloudwatch, DynamoDB, Aurora Serverless...).
- Architect of a User Monitoring (RUM) solution around Elasticsearch and Node.JS.
- Participation in a multi-team CI/CD pipeline (CodeBuild, CodePipeline, Jest, Jest-TS...).
- Automation of acceptance tests (Lambda, Chrome headless, Puppeteer, Axe Core...).
- Evaluation of Azure and GCP clouds.

Achievements as Tech Lead for a team of 5 people:

- Development of the new publishing platform, and creation of a GraphQL middleware API layer within Bouygues Telecom's IT department. Currently in production.
- Development of the new centralized NLP search engine based on Elasticsearch, Node.js, and AI/ML technologies from AWS/Azure/GCP/Watson cloud platforms. Sentiment analysis for filtering/triage of forum/social media results, recommendations...
- Prototyping of a strategic PWA mobile site project (e-commerce).

- Functional and technical e-commerce knowledge (price/product catalog, workflows, specific issues, omnichannel, analytics, etc.).

For more information, you can consult my LinkedIn: https://www.linkedin.com/in/julien-combrexelle-4a656882/
Node.js Amazon Web Services React.js DevOps Linux Docker Elasticsearch React Native Google Cloud Jenkins TypeScript Web Architecture
DeepReach
Back-end and DevOps Consultant
E-COMMERCE
September 2018 - November 2018 (2 months)
Paris, France
Consulting mission on the local advertising campaign creation and reporting platform, DeepReach's core business.

Implementation of a CI/CD pipeline for deploying a "serverless" back-end to AWS Cloud (project in Node.Js, Lambda, SQS, SNS, S3, etc.).
Contributions to improving the advertising campaign creation platform (development in JavaScript and Python). Industrialization improvements (Docker). Code reviews. Unit tests.
Amazon Web Services Node.js JavaScript Continuous Integration DevOps Python Docker