Freelancers using JavaScript in Île-de-FranceFreelancers using JavaScript in Île-de-France
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Steven Deroche's avatar
Steven Deroche
Paris, France
Wized developer for Webflow agencies and freelancers
Wized developer for Webflow agencies and freelancers
Cover image for LandingPage Simulator - Webflow x Wized
LandingPage Simulator - Webflow x Wized
0
4
Cover image for Villa Concierge Web App - Webflow x Wized x Xano
Villa Concierge Web App - Webflow x Wized x Xano
0
2
Cover image for Web app for Necker Hospital - Webflow x Wized x Xano
Web app for Necker Hospital - Webflow x Wized x Xano
0
6
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JavaScript(3)
Uddeepon Singha's avatar
Uddeepon Singha
proParis, France
Web Developer/Webflow Expert
$25k+
Earned
7x
Hired
5.0
Rating
17
Followers
WEBFLOW_EXPERT

Certified Partner

Web Developer/Webflow Expert
Cover image for The Grand Ryefield | Webflow Development
The Grand Ryefield | Webflow Development
0
18
Cover image for Collinear AI
Collinear AI
0
16
Cover image for Exclusive Medical Care | Home
Exclusive Medical Care | Home
0
21
Cover image for MyFertility | Webflow Platform
MyFertility | Webflow Platform
0
13
JavaScript(1)
HS Studio's avatar
HS Studio
proParis, France
Creative studio for branding, web design & 3D / hsstudio.fr
$10k+
Earned
3x
Hired
5.0
Rating
22
Followers
Creative studio for branding, web design & 3D / hsstudio.fr
Cover image for Tweener Impact
Tweener Impact
0
7
Cover image for Synthetizer EP-133 K.0.II S
Synthetizer EP-133 K.0.II S
0
6
Cover image for Dance Association Rebranding
Dance Association Rebranding
0
7
Cover image for Elevate Jet
Elevate Jet
0
20
JavaScript(1)
Prisca Aure's avatar
Prisca Aure
proParis, France
Senior React & React Native Engineer | Freelance
1x
Hired
5
Followers
Senior React & React Native Engineer | Freelance
Cover image for Télérama: Digital Design & Development
Télérama: Digital Design & Development
0
14
Cover image for Aura Studio: AI-Powered Creative Identity App
Aura Studio: AI-Powered Creative Identity App
0
0
Cover image for Health Events: Medical Congress Platform
Health Events: Medical Congress Platform
0
0
Cover image for Propteo: Real Estate SaaS Platform
Propteo: Real Estate SaaS Platform
0
0
JavaScript(1)
David M.'s avatar
David M.
proParis, France
Senior Custom PHP & Vanilla JS Developer
New to Contra
Senior Custom PHP & Vanilla JS Developer
Cover image for Custom Internal Tools and Operational
Custom Internal Tools and Operational Dashboards [The Problem] Non-technical operations teams often lack visibility into complex backend processes and data pipelines. Without a clean user interface, managing workflows or handling edge cases requires direct developer intervention, creating severe business bottlenecks. [The Solution] Built on a high-performance Backend-for-Frontend (BFF) architecture, this minimalist dashboard provides a secure and intuitive control panel. It empowers non-technical teams to monitor pipelines and trigger operational tasks independently without introducing frontend framework bloat. Team autonomy | Operational visibility | Zero-bloat efficiency
1
35
Cover image for Performance Optimization and Resource Benchmarking [The
Performance Optimization and Resource Benchmarking [The Problem] Standard data processing practices often load entire datasets into memory, leading to severe server overhead, unpredictable crashes, and inflated cloud infrastructure costs when handling large enterprise files. [The Solution] By implementing memory-safe streaming pipelines, resource consumption is reduced to a constant, minimal baseline. This drastically lowers hosting bills and allows the system to process infinite data volumes without requiring hardware upgrades. Cost reduction | Infrastructure stability | Unrestricted scalability
1
29
Cover image for Low-Level Stream Pipeline Architecture [The Problem]
Low-Level Stream Pipeline Architecture [The Problem] Legacy backend workflows frequently couple data ingestion, transformation, and storage into single, brittle processes. This lack of isolation makes tracking data mutations difficult, introduces technical debt, and increases the risk of database corruption. [The Solution] This blueprint decouples the data lifecycle by cleanly separating data states from processing operations. Using native engine filters ensures data is sanitized, masked, and validated chunk-by-chunk at the lowest level before hitting persistent storage. Risk mitigation | Predictable maintenance | Architectural security
1
38
Cover image for Low-Overhead CLI Automation and Background
Low-Overhead CLI Automation and Background Workers [The Problem] Long-running automation tasks and background scripts often run as unmonitored black boxes on remote servers. Lacking precise logging, real-time resource benchmarking, and granular step reporting makes identifying performance bottlenecks or production errors highly inefficient. [The Solution] This custom command-line interface utility provides highly structured, real-time logging and performance benchmarking for background processes. It exposes exact metrics directly within the console, ensuring predictable execution and rapid troubleshooting in production environments. Production reliability | Instant debugging | Automated monitoring
1
45
JavaScript(1)