The Fellas Ads

Vacancy: Frontend Developer (Freelance, Full-time)
Location: Remote (aligned with CET business hours)
Employment Type: Full-time, Freelance, Remote 

Are you a proactive Frontend Developer with a sharp eye for detail and a passion for building smooth, scalable interfaces? We’re looking for someone with at least 3 years of experience, strong communication skills, and the ability to take ownership of projects that drive real impact.

What You’ll Do:

• Write clean, scalable, and maintainable frontend code
• Collaborate with designers and backend developers to deliver high-quality features
• Build and optimize modern, responsive interfaces with performance in mind
• Communicate effectively across teams and contribute to clear development workflows
• Translate product and business needs into smart, usable frontend solutions
   

Your Skillset: 
Core: 

• JavaScript / TypeScript
• React (Redux, Hooks, React Query, React Router)
• Vite
• Axios
• Yarn
   

Design & UX:

• Strong understanding of UI/UX principles
• Experience working closely with designers to implement pixel-perfect designs
• MUI (Material UI) – nice to have
   

NIce to have: 

• Experience with Node.js (v18–20)
• Familiarity with Agile development methodologies
• Experience working in a fast-paced, remote environment
• Good communication skills and fluent in English

What We Value:

• Proactive mindset and ownership over your work
• Strong collaboration and communication skills
• Eye for detail, performance, and usability

Location: Remote, aligned with CET business hours
Company Headquarters: Amsterdam, Netherlands
Employment Type: Full-time, Freelance 
 

We’re looking for a proactive Full Stack JavaScript Developer with 3+ years of hands-on experience to take ownership of core systems across frontend, backend, and infrastructure.

This role is ideal for someone who:

• Prefers Vanilla JavaScript over heavy frameworks
• Enjoys debugging real production issues

• Can confidently work across the full stack — from browser to server to deployment

   

You’ll play a key role in building and scaling high-performance web applications, payment flows, and multi-locale user experiences.

What You’ll Do

• Write clean, maintainable, and scalable JavaScript code (frontend & backend)
• Build and maintain Node.js + Express APIs using a structured architecture
• Develop fast, responsive frontends using Vanilla JS (ES6 modules)
• Integrate third-party services, especially payment providers and webhooks
• Implement and maintain multi-language (i18n) user flows
• Configure and manage Nginx routing, domains, and SSL setups
• Deploy and maintain applications using Docker and CI/CD pipelines
• Troubleshoot production issues (logs, network requests, env configs)

• Collaborate with team members and help improve development workflows

   

Tech Stack (You’ll Work Across All Of This) 

Frontend

• HTML5, CSS3
• Vanilla JavaScript (ES6 modules)
• Vite

Internationalization

• i18next
• Multi-locale URL routing

Backend

• Node.js
• Express
• Axios
• dotenv

Architecture

• Route / Controller / Service pattern

Infrastructure & DevOps

• Nginx (reverse proxy, redirects, subdomains)
• Let’s Encrypt (SSL)
• Docker & Docker Compose
• Linux CLI

CI/CD & Hosting

• GitHub Actions
• SSH / rsync deployments
• DigitalOcean

Payments & Integrations

• PayPal, Apple Pay, Google Pay
• Webhooks & asynchronous flows
• Redirect & 3DS handling

Version Control

• GitHub PR workflow (staging/main, rebase-based flow)

   

What We’re Looking For

• 3+ years experience in full stack JavaScript (Node.js + Vanilla JS)
• Strong debugging skills in plain JavaScript (no reliance on frameworks)
• Solid experience building Express APIs with validation and error handling
• Hands-on experience integrating payment providers and handling edge cases (redirects, 3DS, webhooks)
• Practical knowledge of Nginx (routing, proxying, domain handling)
• Experience with Docker and Linux environments
• Familiarity with CI/CD pipelines (GitHub Actions preferred)
• Comfortable working in production environments and troubleshooting live issues

• Experience with localization / multi-locale applications

   

Nice to Have

• Experience with DigitalOcean (VPS setup, networking, firewalls)
• Background in e-commerce, funnels, or upsell flows
• Understanding of performance optimization for conversion-focused pages

Why Join Us?
You’ll step into a role where your technical skills and sharp decision-making  abilities will make a real impact. Expect a dynamic environment, strong collaboration, and exciting growth opportunities!
 

Ready to bring your expertise to our team?