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Dacnis
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Our services

High-performance
digital engineering

We cover the full product: design, development, security, search visibility and marketing. Open a service for the details.

Web Development

Dacnis builds custom websites and web applications in Sousse, Tunisia, for clients in Tunisia and abroad. We use Next.js, React and TypeScript to ship sites that load fast, rank well and stay easy to maintain, from company websites and online stores to business platforms with their own back office.

  • Custom Next.js and React websites and web applications
  • Headless CMS setups (Sanity, Strapi, Contentful)
  • E-commerce and marketplaces (Shopify, WooCommerce, Next.js Commerce)
  • Progressive Web Apps (PWA) with offline support
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Core technology stack

  • React
  • Next.js
  • TypeScript
  • Node.js
  • Tailwind CSS
  • PostgreSQL
  • Vercel

Mobile Development

Dacnis designs and builds iOS and Android apps, native or cross-platform. We created FielMedina, an offline travel guide to Tunisia's old medinas with offline maps, audio stories and places verified by locals, live in Tunis, Sousse, Sidi Bou Saïd, Monastir and Yasmine Hammamet.

  • Native iOS development (Swift, SwiftUI)
  • Native Android development (Kotlin, Jetpack Compose)
  • Cross-platform apps (Flutter, React Native)
  • Offline maps, geolocation and local databases
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Core technology stack

  • Swift
  • SwiftUI
  • Kotlin
  • Flutter
  • React Native
  • Firebase
  • App Store Connect

AI Integration

Dacnis integrates artificial intelligence into business software: chat assistants that answer from your own documents (RAG), document and email automation, semantic search and predictive analytics. We connect models such as GPT, Gemini and Claude to your data with privacy controls, so your information is never used to train public models.

  • Large language model (LLM) integration: GPT, Gemini, Claude
  • Retrieval-augmented generation (RAG) on company knowledge
  • Chatbots and customer support assistants
  • Workflow and document automation
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Core technology stack

  • Python
  • PyTorch
  • TensorFlow
  • OpenAI API
  • Gemini API
  • Claude API
  • LangChain
  • Pinecone

Cyber Security

Dacnis audits and secures web and mobile applications: penetration testing, OWASP Top 10 reviews, secure code review and hardening of cloud access. For network, server and endpoint security we work with our partner IsTech, an IT security company in Sousse, so clients get application and infrastructure security from one team.

  • Web and mobile penetration testing (black box and grey box)
  • Secure source code review and static and dynamic analysis
  • OWASP Top 10 audits with remediation guides
  • Identity and access management (IAM) design
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Core technology stack

  • Kali Linux
  • Burp Suite
  • OWASP ZAP
  • SonarQube
  • Snyk
  • AWS IAM
  • Cloudflare WAF

SEO & GEO Optimization

Dacnis optimizes websites for search engines and for AI assistants. Technical SEO makes your pages fast, indexable and well structured for Google and Bing. Generative engine optimization (GEO) makes your content easy for ChatGPT, Gemini, Claude and Perplexity to read, trust and cite when people ask them for a recommendation.

  • Technical SEO audits: indexing, Core Web Vitals, site structure
  • Generative engine optimization (GEO) and AI crawler access
  • Structured data (JSON-LD) for organizations, services, FAQs and jobs
  • llms.txt, sitemaps, robots.txt and canonical URL setup
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Core technology stack

  • Google Search Console
  • Google Analytics 4
  • Bing Webmaster Tools
  • Ahrefs
  • Semrush
  • Screaming Frog
  • Schema.org

Digital Marketing

Dacnis plans and runs digital marketing for Tunisian and international brands: Google, Meta and LinkedIn ad campaigns, social media content, branding and conversion rate optimization. For video content we work with our partner Mustache Prod, a production house in Sousse, so campaigns get professional films and commercials.

  • Paid advertising on Google, Meta (Facebook, Instagram) and LinkedIn
  • Social media management and content creation
  • Conversion rate optimization (CRO) and user behaviour analysis
  • Brand identity and pitch decks
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Core technology stack

  • Meta Business Suite
  • Google Ads
  • LinkedIn Ads
  • Hotjar
  • Mailchimp
  • Figma
  • Looker Studio

Our workflow

How we deliver results

  1. 1. Strategy and architecture

    We work with your team to define scope, users, design system and scaling needs.

  2. 2. Clean code and CI/CD

    We build APIs, apps and websites with automated tests and continuous deployment.

  3. 3. Audit and launch

    Security audit, performance review and SEO setup before every launch.