Custom Software Development
We Build Software
That Works Smarter
Custom software solutions powered by modern AI — from enterprise platforms to intelligent integrations, built with quality that lasts.
Trusted technologies we work with
What We Do
Our Services
From custom software and AI integration to mobile apps and strategic consulting — we deliver end-to-end solutions that help your business grow.
Custom Software Solutions
We create applications tailored to your needs — from MVPs to enterprise-grade platforms. AI-accelerated development means faster delivery and lower costs without compromising quality.
System Development
We develop and integrate complex systems that optimize your business processes. Our AI-powered development workflow ensures efficient delivery and robust architecture.
AI Integration
We integrate OpenAI, Claude, Gemini and open-source models into your workflows. From RAG systems and fine-tuning to intelligent chatbots — practical AI that solves real problems.
Mobile Applications
We create functional and attractive mobile applications for both iOS and Android platforms with modern UX patterns.
Software Consultancy
Expert advice on architecture, technology choices, and AI adoption strategy. We help you make smart decisions that reduce costs and future-proof your systems.
How We Work
Our Process
Discovery & Analysis
We listen to your needs, analyze existing systems, and define a clear technical roadmap with measurable goals.
Architecture & Design
We design scalable architecture and create detailed specifications — so you know exactly what you're getting before development starts.
Agile Development
We develop in short sprints with regular demos. AI-accelerated workflow means faster delivery without compromising code quality.
Launch & Support
We deploy to production, monitor performance, and provide ongoing support and maintenance as your product evolves.
Our Technological Expertise
.NET
Enterprise software solutions with .NET framework.
ReactJS
Dynamic and reactive user interfaces with ReactJS.
SQL
Complex database systems design and optimization.
NoSQL
Scalable and flexible NoSQL solutions.
Node.js
Fast and efficient server-side development.
AI Integration
OpenAI, Claude, Gemini & open-source model integration.
Azure
Scalable cloud services on Microsoft Azure.
AWS
Cloud solutions with Amazon Web Services.
Why Choose an Estonian Software Partner?
Estonia is one of Europe's most digitally advanced countries, home to Skype, Wise, and Bolt. Codestage OÜ brings this Estonian innovation culture to every project — combining EU data protection standards, competitive rates, and deep technical expertise to deliver software that meets the highest European quality standards.
EU Compliance & GDPR
Full EU member state with strict data protection laws. Your intellectual property and user data are protected by European regulations.
Digital Innovation Hub
Estonia pioneered e-Residency, digital ID, and e-governance. Our developers grow up in a culture that lives and breathes technology.
Convenient Timezone
EET/EEST timezone enables real-time collaboration with teams across Europe, the UK, and overlapping hours with US East Coast.
Our Work References
e2companies.com
Industrial IoT Platform · Azure
We helped build the Grove monitoring platform — a real-time IoT system that tracks industrial power generators across the US. Built on Microsoft Azure with live dashboards, automated alerts, and data analytics, the platform gives operators full visibility into generator health, fuel levels, and performance metrics from anywhere.
mulle.ee
SaaS · Digital Ordering Platform
We built a full SaaS platform that lets restaurants create digital QR code menus with integrated online ordering and payment processing. The system includes a restaurant admin panel for managing menus, tracking orders in real time, and analyzing customer behavior — helping venues reduce wait times and increase table turnover.
mangusaar.ee
Booking Platform · E-commerce
We developed a comprehensive booking and e-commerce platform for three children's entertainment venues across Tallinn. The system handles party reservations, day ticket sales with dynamic pricing, an online shop, and Stripe-powered subscription passes. It also integrates with smart locks for automated venue access and includes a full admin dashboard with vendor management.
bmark.ee
SaaS · Production Management
We built a SaaS production management platform that helps manufacturing companies digitize and optimize their workflows. The system covers production planning, task tracking, resource allocation, and performance reporting — replacing spreadsheets and manual processes with a streamlined digital solution that gives managers real-time visibility into operations.
Have a Project in Mind?
Tell us about your idea — we'll get back to you as soon as possible.
Free ConsultationWhy Choose Us?
Years of experience
Projects delivered
Core technologies
Client satisfaction
Experience and Quality
Our team has years of experience across diverse software development fields. We follow strict quality standards and use AI-assisted development to deliver better results faster — reducing costs without cutting corners.
Innovation and Flexibility
We use AI tools like Claude and Copilot in our daily development workflow, which means faster turnaround and lower costs for you. We quickly adapt to your changing business needs, always offering practical, modern solutions.
Frequently Asked Questions
How much does custom software development cost?
Every project is unique. We provide a free initial consultation and detailed cost estimate based on your specific requirements. Our AI-accelerated development process typically reduces development time by 20–40%, which translates directly into cost savings for you.
How long does a typical software project take?
Timelines depend on complexity. A simple MVP can be ready in 4–8 weeks, while enterprise platforms may take 3–6 months. We work in agile sprints with regular demos so you see progress from week one.
What AI integration services do you offer?
We integrate OpenAI, Claude, Gemini, and open-source models into your existing workflows. This includes building RAG (Retrieval-Augmented Generation) systems, fine-tuning models for your domain, creating intelligent chatbots, and automating business processes with AI.
Do you work with clients outside Estonia?
Absolutely. We serve clients across Europe and internationally. As an EU-based company, we ensure full GDPR compliance and seamless remote collaboration across timezones.
What technologies do you specialize in?
Our core stack includes .NET, React, Node.js, SQL and NoSQL databases, Microsoft Azure, and AWS. We also have deep expertise in AI/ML integration using OpenAI, Claude, and Gemini APIs, as well as open-source model deployment.
How does AI improve your development process?
We use AI tools like Claude and GitHub Copilot throughout our development workflow — from code generation and review to testing and documentation. This accelerates delivery, reduces bugs, and ultimately lowers costs for our clients while maintaining high code quality.
Contact Us
Ready to digitally advance your business? Let's discuss how we can help you build something extraordinary.
Dmitri
Software Architect
Free consultation — We'll get back to you as soon as possible