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

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
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.

JavaScript Node.js Socket.IO
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.

Flutter Firebase Stripe API
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.

Flutter Node.js MongoDB
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."

Tech Startup CEO E-commerce Platform Client

"Professional, knowledgeable, and incredibly responsive. They transformed our quality management processes with their ISO-compliant software solutions that our team loves using."

Quality Manager Manufacturing Company

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

🎯

Purpose-Driven

Every design decision is made with a clear purpose and user benefit in mind.

Efficiency

We optimize for performance and user experience without compromising on aesthetics.

🤝

Collaboration

We work closely with clients to understand their vision and bring it to life.

🚀

Innovation

We embrace new technologies and creative approaches to solve complex problems.

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.

Email Us

karaweiss@outlook.de

We'll respond within 24 hours

Call Us

+49 176 22503401 (Nalan)
+49 178 1109558 (Nenad)

Mon-Fri, 9AM-6PM CET

Our Locations

Bremen, Germany (Nalan)
Zürich, Switzerland (Nenad)

Remote work available

Languages

German, English, Turkish, Spanish, Serbian, Persian

Multilingual support

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