I will custom software developer web app crm erp pos booking software saas wms hrm mlm

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gustav_luk
G
gustav_luk
Gustav lukas
custom software developer web app crm erp pos booking software saas wms hrm mlm
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custom software developer web app crm erp pos booking software saas wms hrm mlm
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custom software developer web app crm erp pos booking software saas wms hrm mlmcustom software developer web app crm erp pos booking software saas wms hrm mlmcustom software developer web app crm erp pos booking software saas wms hrm mlm

About this gig

Are you tired of running your business on scattered spreadsheets and software that doesn't fit how you work while competitors run on modern, scalable systems built like Spotify, Slack, or the next breakout SaaS?

You're in the right place.

I'm a full-stack developer specializing in SaaS platforms, AI-powered apps, web apps, MVP development and custom business software including POS, CRM, ERM, and beyond. With deep experience in scalable architecture, I build software that's fast, secure, and production-ready.


What I Build:

  • Custom Web Apps & SaaS Platforms
  • CRM, ERP, POS Systems
  • Booking Software
  • WMS, HRM, MLM Software
  • AI Integration, Chatbots & Automation
  • APIs, Integrations, Dashboards & Admin Panels


Tech Stack:

React, Next.js, Node.js, Python, Django, Express, PHP/Laravel, MongoDB, MySQL, PostgreSQL, AWS, Vercel, Supabase, OpenAI, LangChain, Stripe, PayPal


What You Get:

  • Clean, scalable, secure code
  • Fast delivery, no months-long wait
  • Custom-built around your workflow
  • Clear communication and support after delivery


Every day you run on the wrong system, you lose time, money, or customers.

MESSAGE ME NOW with what you're dealing with let's build the system your business deserves.

  • Programming language

    • Python

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Security
    • Databases

  • Frontend framework

    • AngularJS
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • CodeIgniter
    • Django
    • Express.js
    • Laravel
    • Node.js

  • AI & low/no code builders

    • Lovable
    • Firebase Studio
    • Base44
    • Bubble
    • FlutterFlow
    • Zoho Creator
    • Clutch.io
    • Backendless

Get to know Gustav lukas

Gustav lukas

Full Stack Developer, Business Software and Game Development expert

  • FromGermany
  • Member sinceJun 2026
  • Avg. response time4 hours

  • Languages

    English, German, Spanish, Italian, French
Hi! I don't just write code, I build systems that run businesses. As a full-stack developer with years of experience, custom software is my obsession. I combine technical skill with real business logic to build what your company actually needs: Custom Business Software: CRM, ERP, POS & SaaS built around your workflow. Scalable Architecture: Clean, secure code that grows with you. Game Development: Unreal Engine (UE5) games & custom Fortnite maps. I treat every project with the same care as my own. Let's build it right.

My Portfolio

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