About the Position

We are hiring a Full-stack Web Developer to join our dynamic team at Kainjoo. You’ll be a core part of Kainjoo’s web factory - building and launching sites that look great, perform well, and work reliably for clients across industries. You’ll own the full cycle from setup to go-live, and you’ll know how to handle the messy reality of real-world CMS projects with confidence.

Responsibilities

Build and configure CMS-based websites using page builders, custom themes, and plugins
Set up and configure e-commerce stores including payment gateways, shipping, and product management
Integrate third-party tools: analytics, tag management, SEO, email marketing, forms, and CRM
Configure and maintain CDN, DNS, SSL, and security rules
Handle server and hosting management (staging, production, backups, performance)
Set up multisite and multi-language environments where required
Perform SEO Level 1 setup: sitemaps, redirects, structured data, meta configuration
Conduct site launches, go-live checklists, and post-launch support
Troubleshoot and resolve bugs, plugin conflicts, and performance issues

Requirements

Personality

You’re thorough - you follow checklists, you test before you ship, and you don’t cut corners
You’re comfortable with ambiguity and can figure things out independently
You take pride in clean setups, even the ones clients never see
You communicate clearly when something is out of scope or needs more time
You stay up to date with the WordPress and web ecosystem

Experience

3+ years of CMS-based web development experience (WordPress or similar)
Proficiency with a major page builder (Elementor, Divi, or equivalent)
Experience with e-commerce platforms (WooCommerce, Shopify, or similar)
Familiarity with CDN and DNS configuration (Cloudflare or equivalent)
Basic PHP or scripting knowledge for custom functionality
Experience with multisite or multi-language CMS setups
Good understanding of web performance (caching, image optimisation, Core Web Vitals)

Nice to Have

Experience with modern no-code/low-code tools (Framer, Webflow)
Familiarity with headless CMS or decoupled frontend architectures
Familiarity with web analytics tools (GA4, Matomo, GTM)
Knowledge of email marketing integrations (Mailchimp, Brevo, or transactional email services)

Education

Bachelor’s degree in Web Development, IT, or equivalent practical experience
Relevant CMS, hosting, or e-commerce platform certifications are a plus
Fluent in English; French is a plus

Location

Morges, Switzerland

Engagement type

Remote

Department

KJ. Tech Engineering

Full-stack Web Developer

Job description