Tools that fit. Exactly.

We build custom software for founders who've outgrown spreadsheets and no-code tools.

A clean desktop monitor against a forest-green wall, screen black, keyboard ready

Built for how you actually work

The Friction

01

Spreadsheets break at scale

Version control becomes a nightmare. Data silos grow, and the manual overhead starts costing more than the operation.

02

No-code hits its ceiling

You've outgrown the basic templates. Performance lags, and you're limited by the platform's proprietary constraints.

03

Off-the-shelf SaaS doesn't fit

Paying for 100 features you don't need while lacking the one that's critical to your unique competitive advantage.

The Craft

Purpose-built for your workflow

We design tools that wrap around your existing logic, enhancing your team's natural momentum without forced retraining.

Ships in weeks, not months

We start with the highest-impact module so your team feels the lift in week one.

You own the code

No vendor lock-in. We build on open architectures so you own your intellectual property and your future scaling.

Execution Strategy

How we work

Our process is a bridge between rigorous architecture and modern agility. We treat every project as a unique commission, ensuring transparency and precision from the first call to the final deployment.

01

Discover

One call to map your workflow, pain points, and what done looks like. We dig deep into the requirements of your problem space before a single line of code is written.

Phase 01: Alignment
02

Build

Iterative sprints with weekly check-ins. You see it working before it ships. We prioritize high-fidelity prototypes and functional transparency throughout the development cycle.

Phase 02: Craftsmanship
03

Ship

Deployed, documented, and in your hands. No handoff chaos. We ensure your team is equipped with everything they need to own the solution we've built together.

Phase 03: Delivery
04

Support

We stay available. If it breaks or needs to grow, we're a message away. Consider us your long-term technical partners, ensuring your software evolves as your business does.

Phase 04: Continuity

The difference is in the details.

  • architectureDirect access to the engineers building your product. No middle layers of management to dilute the vision.
  • data_objectClean, documented, and modular codebase designed for 10-year longevity, not just next month's launch.
  • auto_awesomeWeekly functional demos so you can touch the product as it evolves, minimizing late-stage surprises.
Studio space

Who builds it

Our studio is defined by a small, focused collective of craftsmen who bridge the gap between architectural thought and digital execution.

Tamas Czaban

Tamas Czaban

Co-Founder & Backend Engineer

location_onBudapest, HU

Vulnerability threat management analyst at Citi, where he managed L0 incidents. Handled on-call critical business infrastructure at Ericsson and intra-day SLAs at BlackRock. At CZ Dev he owns the Python backend, data pipeline, and security review.

PythonStreamlitFirebaseSecurity
Zsombor Czaban

Zsombor Czaban

Co-Founder & UI/UX Engineer

location_onKecskemét, HU

Full-stack engineer from GE Healthcare (Go + React, proof-of-concept to Milestone 1) and two enterprise internships. At CZ Dev he owns the React frontend, UX, and the visual system that ships across all products.

ReactTypeScriptGoUX
Founded 2026

Four years of security, OpenStack, and financial reporting between two founders.

Replaced Word templates, WhatsApp threads, and two calendars. Month-end reconciliation went from a full day to minutes.

VitalRegistry
Long-form thinking, not LinkedIn slop

From the Journal

ai code generation

The PR Checklist We Run on Every AI-Generated Merge

We use AI to write 60% of our code. Here is the five-point checklist we run on every PR because of what happened when we did not.

Readarrow_forward
remote work

Two-Person Remote Team Accountability: What Actually Worked

We built VitalRegistry across Budapest and Finland. Dropped standups, missed reviews, features dark for two weeks. Here is the 3-rule system that fixed it.

Readarrow_forward
product ideation

We Watched a Spreadsheet for a Year Before Building

CZ Dev did not brainstorm VitalRegistry. We watched a BEMER distributor manage 200 rental devices in Excel for a year, then built what she actually needed.

Readarrow_forward
Recent Work

Proof before the pitch.

VitalRegistry CRM screenshot — device inventory and rental management interface
OperationsInternal Tooling

VitalRegistry

React + Firebase CRM

Rental management CRM that replaced spreadsheets for a Hungarian medical equipment business. Tracks devices, clients, and contracts end-to-end.

6 mats. 25 clients. Month-end reconciliation from a full day to minutes.

Read the case studyarrow_forward

Ready to replace the spreadsheet?

One call. No pitch deck. We'll tell you if we're the right fit.

Book a Callarrow_forward