Freelancers using JavaScript in Berlin

Freelancers using JavaScript in BerlinFreelancers using JavaScript in Berlin

Projects People

Moritz Drescher

pro

Berlin, Germany

Web & mobile app developer

$25k+: Earned

3x: Hired

5.0: Rating

92: Followers

Top

expert

Web & mobile app developer

Cover image for New website and booking portal

New website and booking portal

10

147

Cover image for Two-sided sharing platform for everyday items

Two-sided sharing platform for everyday items

3

44

Cover image for New website and booking portal

New website and booking portal

1

27

Cover image for Feedback Platform FasterFeedback.app

Feedback Platform FasterFeedback.app

5

146

Berlin, Germany

Web Designer & Fullstack Developer from parnii.de | Wix+Velo

22: Followers

Web Designer & Fullstack Developer from parnii.de | Wix+Velo

Cover image for Interior Design Academy Wix Studio Landing Page Template

Interior Design Academy Wix Studio Landing Page Template

1

3

Cover image for Designing the Minimalist Blog Wix Studio Website Templates

Designing the Minimalist Blog Wix Studio Website Templates

2

8

Cover image for The Museum of Adventures

The Museum of Adventures

1

9

Cover image for A Starter Site for a Composer and Music Producer

A Starter Site for a Composer and Music Producer

1

2

Andrii Tovstonos

Berlin, Germany

Expert Website Maintenance & High-Performance Optimization

New to Contra

Expert Website Maintenance & High-Performance Optimization

Cover image for Firewood Delivery Logic & Maps

Firewood Delivery Logic & Maps Integration ➤ The Challenge: A local firewood supplier needed to automate delivery quotes. Manual distance checking was slow and prone to errors. ➤ The Solution: I built a custom Vanilla JS tool with deep Maps API integration: • Google Maps API: Automated real-time distance calculation for every order. • Dynamic Pricing: Logic that factors in wood type, volume, weight, and mileage. • UX/UI: Lightweight, mobile-first interface for instant customer quotes. ➤ The Result: • Automation: Zero manual checks needed; instant pricing for customers. • Efficiency: Eliminated pricing disputes and optimized the booking flow. • Performance: High-speed tool with zero external library dependencies.

1

16

Cover image for Industrial B2B Growth & Maintenance

Industrial B2B Growth & Maintenance Value ➤ The Challenge: A legacy industrial site was invisible to engineers. Goal: Transform it into a lead-gen tool via technical excellence. ➤ The Solution: I deployed a comprehensive technical and content strategy: • Custom JS Engineering: Developed an intricate lifespan calculator for parts. • 100/100 Speed: Reached perfect performance scores via deep code refactoring. • Expert Content: Launched a research-driven blog that dominated technical search intent. ➤ The Result (The Evidence): • Growth Spike: Deployment led to a 400% surge in organic traffic. • The Maintenance Gap: As shown in the chart, the cessation of expert support ("Too Expensive") coincided with a clear loss of momentum. • Proven ROI: Technical excellence isn't just a setup - it's the engine that sustains market leadership.

1

34

Cover image for Achieving 99/100 Mobile Speed &

Achieving 99/100 Mobile Speed & Breaking the Traffic Plateau ➤ The Challenge: The site was stuck in the "Yellow Zone" (~70 PageSpeed). High-quality content was held back by technical overhead, resulting in a stagnant traffic plateau. ➤ The Solution: I executed a deep technical overhaul to unlock the site's ranking potential: • 0ms Blocking Time: Eliminated JS execution delays for instant interactivity. • Visual Stability: Achieved a 0.001 CLS, ensuring a perfect UX. • Speed: Optimized the rendering path to hit 0.9s FCP and 99/100 Mobile score. ➤ The Result: • Plateau Broken: Technical fixes (last green dot on chart) acted as a catalyst for new organic growth. • Elite Performance: Sustained 99+ PageSpeed scores on mobile. • Business Impact: Improved rankings and higher conversion rates.

1

35

Cover image for 100% Organic Growth via Technical

100% Organic Growth via Technical Refactoring The Challenge: Stagnant traffic and poor mobile UX due to bloated legacy scripts (jQuery), unoptimized media, and weak semantic structure. The Solution: I executed a deep technical overhaul to modernize the stack: • Vanilla JS Migration: Replaced jQuery with pure, high-performance JavaScript. • Smart Media: Implemented WebP/AVIF, responsive sizes, and lazy-loading. • SEO Foundation: Cleaned HTML semantics and added Schema.org microdata. • On-Page: Refreshed Meta Tags to align with search intent. • Bootstrap 5 Tuning: Optimized CDN delivery and CSS path for zero speed impact. The Result: 99–100 Mobile PageSpeed: Perfect scores even with a CSS framework. Traffic Surge: Organic growth from 14K to 30K+ monthly sessions in 12 months.

1

28

pro

Berlin, Germany

Interaction Designer that combines Web & 3D

1x: Hired

5.0: Rating

68: Followers

expert

Hired

Interaction Designer that combines Web & 3D

Cover image for Designer portfolio | Web Design, Animation & 3D

Designer portfolio | Web Design, Animation & 3D

0

7

Cinematic Landing Page & AI Video Generation for EV Brand

0

1

Cover image for 3D Animation for a P2M Software Leader Landing Page

3D Animation for a P2M Software Leader Landing Page

0

4

Morr Design Brand Identity Creation

6

25

Alessandro Amato

Berlin, Germany

Innovative Web Developer & Designer

Innovative Web Developer & Designer

Cover image for Direction+Design - TOM DE REGT

Direction+Design - TOM DE REGT

0

1

Cover image for Jongsma + O’Neill

Jongsma + O’Neill

0

8

Cover image for The Living Archive - Centrinno EU

The Living Archive - Centrinno EU

0

23

Cover image for NXT Commerce Summit

NXT Commerce Summit

0

6

Berlin, Germany

Driving business success with Salesforce expertise

Driving business success with Salesforce expertise

Cover image for RECS

0

0

Cover image for Capital First

0

0

Cover image for Leaseplan

0

0

Cover image for Delivery Hero

0

1

Berlin, Germany

Full-Stack Software Engineer (JS/TS/Python/PHP)

Full-Stack Software Engineer (JS/TS/Python/PHP)

Cover image for Toontown: Corporate Clash

Toontown: Corporate Clash

0

3

Cover image for ResearchGate

0

3

Cover image for Crisis UK

0

1

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Berlin, Germany

Frontend engineer building clean React apps

New to Contra

Frontend engineer building clean React apps

Cover image for Mewa.de (http://Mewa.de) represents a large-scale B2B servic...

Mewa.de (http://Mewa.de) represents a large-scale B2B service platform built around integrated SAP solutions for Commerce, Sales, Service, and Marketing. The system combines SAP Commerce Cloud with CRM, ERP, and Marketing Cloud to deliver end-to-end digital processes, including customer portals, e-commerce, and self-service workflows. A strong focus is placed on scalable architecture, consistent user experience, and real-time access to business data across multiple countries and divisions.

1

22

Cover image for https://www.horizont.net/ is a digital media platform focuse...

https://www.horizont.net/ is a digital media platform focused on industry news and analysis, designed for high editorial throughput and frequent updates. The system is built around a robust server-side architecture with a structured content model, optimized for performance, SEO, and scalability. The frontend follows a classic web approach, enhanced with JavaScript-driven components for dynamic content, user interaction, and responsive layouts, rather than relying on a full single-page application

0

20

Cover image for IZ.de (http://IZ.de) is a large, content-driven news platfor...

IZ.de (http://IZ.de) is a large, content-driven news platform for the real estate industry. It is based on a PHP-driven CMS with a server-rendered architecture and a structured media pipeline for articles and galleries. The frontend is mostly classic web rendering, complemented by modern JavaScript components for interactive features rather than a full single-page application. The EMUGE-FRANKEN Group (https://www.emuge-franken-group.com/de/de/) website is a B2B-focused industrial platform supporting product information, customer access, and business processes. It is built on a Java-based backend with SQL-backed data management and version-controlled development using Git.

1

23

Cover image for IZ.de (http://IZ.de) is a large, content-driven news platfor...

IZ.de (http://IZ.de) is a large, content-driven news platform for the real estate industry. It is based on a PHP-driven CMS with a server-rendered architecture and a structured media pipeline for articles and galleries. The frontend is mostly classic web rendering, complemented by modern JavaScript components for interactive features rather than a full single-page application.

0

38