We build custom web and mobile apps, enterprise software, and AI systems — for startups, scale-ups, and well-established companies. AI-augmented process, skilled engineers, Poland-based. We know what it takes to ship the right way.
Building from scratch
You have an idea, a spec, or a rough prototype. We take it from there to a production-ready product — from architecture, design, and development to launch.
Legacy Modernization
Your current system works, but it's slowing you down. We audit, rebuild, and modernize — without stopping your business
in the process.
Taking over an existing project
You have an idea, a spec, or a rough prototype. We take it from there to a production-ready product — from architecture, design, and development to launch.
84% of developers use AI tools (Stack Overflow 2025). Most do it without a company policy, without shared process, without a systematic review. We do it differently, because the process only works when the foundation is right.
AI-Augmented Process
AI accelerates the repeatable. Every output is reviewed, every decision is human. Faster delivery without cutting corners.
Modern Tech Stack
React, React Native, Node.js, Python, cloud-native infrastructure. Technology that scales and doesn't lock you in.
Skilled, Committed Engineers
Deep knowledge and sharp instincts in the team. The kind of accountability you don't have to chase.
The result: faster delivery, no technical debt, no post-release firefighting. Code that's readable, testable, and transferable — whether you scale in-house, raise a round, or hand the product to a new team.
The lead flow has increased by 50% based on the website. The quality of TeaCode.io’s work is amazing (...), and their quality and work structure are 10 out of 10.
Discover how we leveraged Next.js to deliver a modern, scalable, and user-centric accommodation booking experience for Plannin.
Check how we built a portal with member area and live broadcasting, designed to handle millions of users simultaneously.
Discover the result of the e-learning application modernization for the leading provider of cybersecurity training courses.
Discover how we leveraged React Native to deliver a modern, performant custom mobile application for both iOS and Android.
See how we helped increase the conversion rate by re-conceptualizing and redevelopment of the loan taking application system.
It’s not enough to build a marvelous solution. It needs to drive your business growth and ROI.
+70%
month-to-month
revenue growth rate
+30%
month-to-month
userbase growth rate
38%
of new customers
book the trip with Plannin
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We start with a discovery session to scope the product, define the architecture, and give you a realistic timeline and budget. No commitment required. You leave with a clear picture of what it takes to build it right.
Yes, and we do it regularly. We audit the code first — architecture, tech debt, security gaps — and give you an honest assessment of what's salvageable and what needs to be rebuilt. Then we take it from there.
I handles the repeatable parts — boilerplate, unit tests, first-pass documentation. Our engineers review everything before it ships. The speed comes from eliminating grunt work. The risk stays low because humans own every decision.
It means the people writing your code have seen enough projects to know what breaks at scale, what creates tech debt, and where to push back on shortcuts. Knowledge and craft, not just titles.
Top-tier engineering talent, timezone overlap with both US and Europe, and rates that reflect the market — not a premium for a postcode. We've been building products for US and EU clients since 2017.
Let's talk
We'll tell you honestly whether we're the right fit — and what it would take to get it done.
