Web Application Development
Full-stack web applications using React, Vue, Node.js, and Python with responsive design and RESTful API development.
React
Vue.js
Node.js
Expert Software Development That Drives Business Growth
Full-stack web applications, mobile solutions, and quality management systems built with modern technologies and real-world business understanding.
8+
Years Combined Experience
50+
Projects Delivered
6
Languages Supported
100%
Client Satisfaction
Modern Technology Stack
Quality Management Systems
Multilingual Support
Our Services
Mobile Application Development
Cross-platform mobile apps using Flutter with real-time features, API integrations, and app store deployment.
Flutter
iOS
Android
Quality Management Systems
ISO 9001 compliant software solutions with quality assurance process automation and audit-ready implementations.
ISO 9001
Compliance
Automation
Technical Consulting & Training
Technology stack selection, architecture design, code reviews, and comprehensive developer training programs.
Consulting
Training
Mentoring
E-commerce Solutions
Complete online stores with payment processing, inventory management, and customer relationship management systems.
Shopify
WooCommerce
Stripe
API Development
RESTful and GraphQL APIs with comprehensive documentation, authentication, and third-party integrations.
REST API
GraphQL
Documentation
Cloud Solutions
Cloud infrastructure setup, migration, and optimization using AWS, Azure, and Google Cloud Platform.
AWS
Azure
GCP
DevOps & CI/CD
Automated deployment pipelines, containerization with Docker, and continuous integration workflows.
Docker
CI/CD
Kubernetes
Database Design
Database architecture, optimization, and migration services for PostgreSQL, MongoDB, and MySQL systems.
PostgreSQL
MongoDB
MySQL
UI/UX Design
User interface and experience design with modern design systems, wireframing, and prototyping.
Figma
Prototyping
Design Systems
Our Portfolio
We deliver scalable, production-ready software solutions that combine technical excellence with real-world usability, helping businesses thrive in the digital landscape.
Wikipedia Casino - Real-time Multiplayer Game
A real-time multiplayer guessing game built with JavaScript, Node.js, Express, Socket.IO, and the Wikipedia API. Features fast-paced collaborative gameplay with seamless multiplayer interactions.
Real-time
Multiplayer
5
Team Members
Cross-Platform E-Commerce Solution
Comprehensive cross-platform webshop application with real-time inventory management and secure payment processing. Built with Flutter, Firebase, and Stripe API for seamless user experience.
Real-time
Inventory
Secure
Payments
Enterprise Time Tracking System
Cross-platform time tracking application for corporate environments with automated reporting and geolocation verification. Built with Flutter, Node.js, and MongoDB for enterprise scalability.
Automated
Reporting
GPS
Verification
What Our Clients Say
"Kara&Weiß delivered exceptional software solutions that perfectly aligned with our business requirements. Their technical expertise and attention to detail exceeded our expectations."
"Professional, knowledgeable, and incredibly responsive. They transformed our quality management processes with their ISO-compliant software solutions that our team loves using."
Our Work in Action
See our projects and expertise in action through videos and demonstrations.
Web Development Showcase
Watch our latest web application development process and final results.
Mobile App Development
See how we build cross-platform mobile applications with Flutter.
About Kara&Weiß
We are a dynamic software development consultancy founded by two experienced developers with complementary expertise in full-stack web development, mobile applications, and quality management systems. We specialize in translating complex business requirements into clean, functional interfaces that enhance user experience and drive business growth.
8+
Years Combined Experience
50+
Projects Delivered
6
Languages Supported
100%
Client Satisfaction
Design Philosophy
Less is more. We believe in the power of simplicity and restraint. Every element serves a purpose, every line has meaning.
Minimal
Pure
Focused
Our Process
Thoughtful design process focused on user experience and clarity. We research, design, test, and iterate until perfection.
Research
Design
Test
Our Approach
Clean, functional design that stands the test of time. We create solutions that work beautifully today and tomorrow.
Timeless
Functional
Enduring
Team Expertise
Our diverse team brings together years of experience in design, development, and user experience to deliver exceptional results.
Collaborative
Skilled
Dedicated
Innovation
We stay ahead of trends and embrace new technologies to create cutting-edge solutions that push boundaries.
Modern
Innovative
Forward-thinking
Quality Focus
We never compromise on quality. Every project is crafted with attention to detail and a commitment to excellence.
Excellence
Precision
Quality
Our Core Values
Meet Our Team
Our diverse team of experienced developers brings together years of expertise in full-stack development, mobile applications, and quality management systems to deliver exceptional results for our clients.
Nalan Kara
Software Engineer & Business Strategist
4+ years experience
React
JavaScript
Python
E-commerce
Education: Software Engineering, Masterschool Institute of Technology
Certifications: ISO 9000/9001, ISO 16949 Quality Management
Notable Work: Launched 3+ Shopify storefronts, managed teams of 7+
Languages: 🇩🇪 🇹🇷 🇬🇧 🇪🇸 🇮🇷
Nenad Kalicanin
Full-Stack Developer & Technical Instructor
4+ years experience
Flutter
React
Vue
TypeScript
Education: Bachelor of Science in Computer Science
Certifications: The Joy of React, CSS for JavaScript Developers
Notable Work: Built 50+ enterprise applications, technical instructor
Languages: 🇩🇪 🇬🇧 🇷🇸 🇪🇸 🇹🇷
Let's Work Together
Ready to transform your business with expert software development? We'd love to hear about your project and discuss how we can help create scalable, production-ready solutions that drive growth.
Ready to Get Started?
Join 50+ satisfied clients who have transformed their business with our software development expertise.
50+
Happy Clients
50+
Projects Completed
100%
Client Satisfaction