Joys Guicherd, web, iOS and DevOps developer in Lyon

Crafted apps, from code to cloud.

DevOps engineer at Worldline and full stack developer in Lyon. I design iOS apps, websites, and the infrastructure they run on.

See my workGet in touch
  • iOS·
  • Web·
  • Cloud·
  • Design·
  • Based in Lyon, FR
01 /  AboutLyon, France · 45.76° N, 4.84° E

From code all the way to cloud.

Passionate about development and cloud infrastructure, I work at Worldline as a DevOps engineer on Open Banking projects. On the side, I build iOS apps and websites as a freelancer, from the first mockup to production.

LinkedIn profile
KubernetesTerraformGCPSwiftReact NativeSymfony
ID · 2019
Open
Joys Guicherd
DevOps engineer & full stack developer
Based
Lyon, France
Since
2019
Focus
iOS · Cloud
Stack
Swift · K8s
guicherd.dev
Experience04
  1. NowSince 2025

    DevOps Engineer

    Worldline

    Open Banking projects: CI/CD pipelines, Kubernetes infrastructure on GKE, cloud architecture on GCP.

    KubernetesTerraformGCPHelmCI/CD
  2. NowSince 2024

    Full Stack Developer

    Self-employed

    iOS apps, web applications and e-commerce solutions for various clients.

    React NativeSymfonyTypeScriptTailwindWordPress
  3. 2024–2025

    Web Developer

    Lokris

    Web development, React Native apps, CI/CD pipelines, network infrastructure.

    SymfonyReact NativePHPGitLab CIMySQL
  4. 2019

    System Administrator

    Jaguar Network

    Internship in datacenter operations and system administration.

    LinuxNetworkingSysadmin
linkedin.com/in/joysguicherd
02 /  ApplicationsOn the App Store

Apps worth keeping on your home screen.

Native, fast and respectful of your data. Designed in Figma, built with Swift and React Native.

SwiftReact NativeNativeWindTypeScriptFigma
Flow · Hydration trackerAvailable
9:41
Wednesday 24
Today
1,8 L
of 2.5 L
250 ml
500 ml
This week+12 %
Apple HealthSynced ✓
12-day streakPersonal best

Flow

Hydration tracker

Track every glass with a single tap. Personal goals, streaks, Apple Health sync. And your data stays on your device.

  • One-tap logging, custom drink sizes
  • Goals based on your activity
  • Apple Watch & Apple Health
  • Private, no account needed
Download Flow on the App StoreWorks with Apple Health
Peak · Fitness companionSoon
1 284 m+ 12 % / week

Peak

A workout log to help you reach higher: progress, goals and motivation.

Tempo · Time trackerSoon
02:14:37
Client project

Tempo

Log hours per project, understand your productivity, export detailed reports.

03 /  WebsitesLive

Websites that look like their brand.

PHPSymfonyWordPressMySQLTailwind
Dekali01
dekali.fr
dekali
Global design
studio.
Selected work2019–2026
Let’s talk.

Dekali

Global design studio

Portfolio site for a design studio: visual identity, print and digital, with projects shown large.

EditorialSEO
Visit dekali.fr
Lokris02
lokris.net
LOKRISContact
Votre infrastructure,
entre de bonnes mains.

Lokris

IT services company

Corporate website for a Lyon IT firm: infrastructure, security and web development.

CorporateSymfony
Visit lokris.net
Orkatila03
orkatila.fr
ORKATILA
Haute joaillerie
française
COLLECTIONS

Orkatila

French jewellery maker

A clean showcase for a French manufacturer, built around its handcrafted collections.

LuxuryWordPress
Visit orkatila.fr
04 /  ServicesFreelance · quote within 48h

What I can do for you.

A

iOS apps

Native, polished apps, from the Figma mockup to the App Store release.

B

Websites

Fast, elegant, well-ranked showcase and e-commerce sites that are easy to keep alive.

C

Cloud & DevOps

Kubernetes, Terraform and CI/CD: solid infrastructure so you can ship with confidence.

D

Interface design

Consistent, legible interfaces, designed for use first and looks second.

How we work01–04
  1. 01

    Talk

    We frame the need, the goals and the budget.

  2. 02

    Design

    Mockups and technical choices, agreed together.

  3. 03

    Build

    Short iterations, with a preview at every step.

  4. 04

    Launch

    Go-live, monitoring and maintenance.

05 /  EducationDegrees & certifications

Always still learning.

A2023–2026
Graduated

Bachelor in Cybersecurity

Guardia Cybersecurity School

Specialised in DevSecOps & Pentest.

B2026–2028
In progress

MSc Offensive & Defensive Cybersecurity

Guardia Cybersecurity School

Specialised in offensive and defensive security.

Certifications04

Kubernetes on GKE Public CaaS

Worldline · 2026

Advanced Terraform

LinkedIn · 2025

Google Cloud Foundations

LinkedIn · 2025

Learning Terraform

LinkedIn · 2025

06 /  ContactReply within 24h
Freelance · iOS · Web · Cloud

Let’s build something.

An app, a showcase or e-commerce site, infrastructure to harden? Tell me what you have in mind.

Send an emailLinkedIn
support@guicherd.dev