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Andréas HanssAH

Andréas Hanss

⚡️ DEV/CTO - JS,React,ReactNative,Node,IoT - MVP

€700/day
6 projects
Montpellier, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Andréas

Since 2012, my preferred tool: **JavaScript/TypeScript**, thanks to which I can achieve all possible and unimaginable use cases today.

I am a very curious person who loves to learn new skills, take on challenges, and especially share knowledge by simplifying it.

My Specialty

With a very entrepreneurial approach, I am drawn to building MVPs for startups. My strength lies in the fact that I always have the "end-user" vision and that I try to best adapt the final needs/problems to software constraints (and not the other way around, as is often the case…).

Skills

💻 Frontend Web/Mobile

Creation of complex and dynamic graphical interfaces for content sites or highly business-oriented mobile applications. Game interface or 3D rendering.
  • React, NextJS, Astro, Remix, React-Native, VueJS, Nuxt, Tailwind
  • GraphQL, TRPC
  • WebGL - Three.JS - React Three Fiber
  • And a more exhaustive list
🏭 Backend

Creation of applications ranging from web servers to the control server for an Escape Game room
  • NodeJS, Deno, Bun
  • Real Time, High performance and high availability
  • Domain Drive Design (DDD), CQRS Architectures, Microservices, "Clean Architecture"
  • SQL, NoSQL
  • "Server-authoritative" for online games
⚡️Electronics

Creation and prototyping of networked electronic mechanisms/devices for IoT.
  • Creation of electronic mechanisms for Escape Game rooms or similar
  • Networking and configuration of IoT devices: sensors, relays, servomotors, …
  • Arduino / Espressif Development
🐳 Devops

Automated deployments, monitoring, automated testing, and CI/CD configuration for business applications.
  • Cloud: AWS, GCP, Digital Ocean, Vercel
  • Docker
  • SQL/NoSQL

👾 Miscellaneous
  • TypeScript
  • SCRUM/Lean
  • Stripe, Mangopay, Lemonway,
  • Technical team management
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Montpellier (up to 50km)

Experience

  • Coding Spark
    Manager
    TECH
    April 2020 - Today (6 years and 4 months)
    Montpellier, France
    Modern, fast and efficient software for startups.

    Support, technical expertise, coaching and training for web and mobile developers or your digital projects.

    Entrepreneurs? We also build your digital project MVPs :-)

    Some achievements: bricks.co, mountaya.com, fred34.fr, supafriends.com
  • Kaliop
    Lead Developer - Javascript Oriented 🌍Web / 📱Mobile
    DIGITAL AND IT
    May 2018 - March 2020 (1 year and 11 months)
    Montpellier, France
    In addition to all my previous tasks, I manage a team of 4 people.
    By acting as a facilitator, I help the different parties to work together with a common vision.

    I try to identify risks and project blockers in advance in order to deliver a quality product within the set time and budget. This involves challenging the scope and leading technical workshops that encourage reflection.
    React Native React.js Node.js Back-End Development Front-End Development NextJS Web analytics Docker Google cloud Amazon Web Services MongoDB
  • Kaliop
    Fullstack Developer - 🌍Web / 📱Mobile
    DIGITAL AND IT
    March 2015 - May 2018 (3 years and 2 months)
    Montpellier, France
    - Team management, leadership, and facilitation (Scrum mastering), client relations, functional scope estimations.
    - Frontend and backend web development using "Modern Javascript": VueJS, NodeJS, ReactJS.
    - Development of "Universal" mobile applications via React Native (Javascript, Java - Android, Swift - iOS).
    - PHP backend development via Symfony 3. Also eZPublish5+.
    - REST standards, Web content APIs, GraphQL.
    - Docker, Elasticsearch, mongoDB, Varnish, graylog, redis, ...
    - Various web analytics tasks primarily through Google products. Google Tag Manager, UA, GA. Technical referent within the company.
    - "Devops" tasks and tools notably via Varnish - HA Proxy - Graylog - Apache2, NGINX - Ansible, Amazon Web Services
    - Basics of continuous integration (Jenkins automation, HockeyApp, Fastlane, BDD, unit tests)

    Main projects
    • https://fr.foncia.com
    • https://cleo-app.fr
    React.js react native Vue.js Node.js Elasticsearch Varnish

Reviews

5.0

Out of 5 ratings

EliseE

Elise

Nookah

Reviewed on 10/21/2020

Andreas is serious and proactive, it was a pleasure working with him.
JanickJ

Janick

Coding 4 Tomorrow

Reviewed on 7/22/2020

First experience with Andreas very positive. He successfully completed the mission entrusted to him by being proactive and pedagogical. I highly recommend him!

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Education

  • Web Computer Science Degree
    IUT Montpellier
    2015
    Réalisation d'applications web et encadrement de projets.

Certifications

  • Contentful Certified Professional
    Contentful

Skill set

Categories