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WillDev
William Finzy, développeur Front-End

William Finzy — Front-End Developer Angular / React

4+ years of experience on complex web applications, including 3 years in a demanding banking environment at Société Générale.

Tech stack.

Front-End

Angular v12–v19ReactNext.jsTypeScriptJavaScript ES15HTML / CSS / SCSSTailwind CSSAngular MaterialPrimeNGBootstrapDaisyUIRxJS

Back-End

Node.jsExpress

Cloud & DevOps

AWS — EC2, S3, Lambda, Cognito, CloudFront, RDS, DynamoDB, API Gateway, SQS, SNS, SES, IAM, CodePipeline, CodeBuild, CodeCommitTerraformCloudFormationDockerJenkinsGit / GitHubVercelNetlify

Best Practices

SOLID / DRY / KISS / YAGNIKarma / Jasmine / VitestESLint / Prettier / SonarQube / HuskyCode Review / Pair ProgrammingDocumentation — Swagger, JSDocs, MkDocsScrum / KanbanJIRA / GitHub Projects

Professional experience.

Société Générale
Société GénéraleAug 2022 — early 2025

Front-End Developer Angular / React

As a Capgemini consultant within the Global Technology Services (GTS) department, I built and maintained 5 web applications used by hundreds of network engineers. Team of 10 developers (2 front-end, 8 back-end), 2 PPOs, 2 DevOps. Scrum methodology, 2-week sprints. Linux RHEL 8 environment, Jenkins deployments, internal npm registry.

Red Button — DORA Compliance

React · TypeScript · Reactstrap · Material UI · Jenkins · Husky · ESLint · Prettier · SonarQube · Vitest

  • Set up quality and testing tools
  • Developed an MVP: task creation, task list, task details

Network Automation Portal

Angular · TypeScript · Angular Material · Bootstrap · Karma · Jasmine · Jenkins · RxJS

  • Added features to handle new types of network requests (route openings, instance provisioning, VPN configurations)
  • Progressive migration from v12 to v19
  • Extracted duplicated code into reusable components
  • Simplified folder structure to reduce cognitive load

ACI Interface Management Portal

Angular · TypeScript · Angular Material · Bootstrap · Karma · Jasmine · Jenkins · RxJS

  • Built almost the entire portal from scratch
  • Implemented keyboard shortcuts to improve usability
  • Migrated Angular from v12 to v18

Proxy Exception Management Portal

Angular · TypeScript · PrimeNG · Bootstrap · Karma · Jasmine · Jenkins · RxJS

  • Added new features to manage more resources
  • Simplified folder structure
  • Migrated Angular from v12 to v18
Capgemini — La Ruche FS Paris

Front-End Developer

Internal skills sponsorship lab. Built applications for non-profit and territorial organizations. Also served as lab manager: onboarding new arrivals, tracking projects, reporting to the Core Team.

Association Foyer Jorbalan (AFJ)
Association Foyer Jorbalan (AFJ)

Management application for a social housing facility

Angular · TypeScript · Bootstrap · Node.js · Express · MongoDB · AWS · Terraform

  • Enhanced existing forms with new fields
  • Implemented a password reset feature
  • Worked on a statistics page
  • Used Terraform to set up the staging environment
  • Facilitated multiple workshops with the association
Indarra
Indarra

Editorial website for a Basque territorial endowment fund

Angular · Scully · TypeScript · Strapi · PostgreSQL · Express · AWS · CloudFormation

  • Created a custom webhook to trigger site rebuilds
  • Templated the entire infrastructure with CloudFormation
  • Supervised the beta version deployment
  • Managed a team of 3 developers for the production release

Education.

2021–2022
École PMN, Groupe Evocime

Web Developer (work-study)

Before 2020
ESCOM Chimie

Chemical Engineering Degree

Worked in research and industry before transitioning to web development during the Covid period.

What they say.

"William always goes the extra mile to ensure that company standards and client requirements are met."

AA
Abdesslem Amri

Senior Developer · Société Générale

"Driven and meticulous, he pays attention to detail. Working with William was an excellent human and professional experience. I recommend him."

AG
Arnaud Guetin

Senior Developer · Société Générale

"William has the interpersonal and technical skills to join any project team. I recommend him."

AC
Ahmed Chouaf

Product Owner · Société Générale

"William is very curious and thorough in his work. The teamwork went very smoothly. It was a pleasure working with him."

RL
Robin Langlois

Developer · Société Générale

"Fast learner, diligent, organized, with great work velocity. He puts his heart into his work and pays close attention to the small details that make all the difference in front-end development. A pleasure to work with daily."

CJ
Claude Juston

Senior Developer · Société Générale

A mission for me?

I respond to all opportunities via LinkedIn. It's the simplest and fastest channel to connect.

Contact me on LinkedIn