Software
Web platforms, mobile apps, back-ends and automation that simply keep working.
Free your Mind
Take the Joker for IT
We are the card you play when IT gets hard.
The studio
Mind Joker is a software studio. We build web platforms, back-ends, GUIs, trading systems and secure infrastructure — and when your product has to reach the physical world, we integrate the hardware: readers, door controllers, LED displays and sensors. From a napkin sketch to a product in production — when your project gets stuck, we're the joker you play.
Built end to end.
Hardware
Integare readers, controllers, displays and sensors connected to your software — with the drivers and firmware in between.
Cloud
Scalable infrastructure, CI/CD pipelines and systems that survive high load.
AI & Data
AI, automated decision systems and high-throughput data processing.
R&D & MVPs System architecture Audits & optimisation Consulting
Selected work
01 — Privacy · Web app
LockLink.io
Encrypt a file or a message right in the browser and share it with a link. The server never sees what's inside.
- End-to-end encryption in the browser — OpenPGP with AES-256
- Link and password travel through separate channels
- Self-destructs after the first open, or after 10 minutes to 30 days
- Strong passwords generated for you
LockLink.io
Encrypt & Share files or a message
FilesMessage
contract_final.pdf2.4 MB
-----BEGIN PGP MESSAGE-----
hQIMA8f3k1Qz9Yx2ARAAu7cK0pLw3mVq9sZ+Rt6HfXn2c4dJb8eQ1yW
0uT5nKf2gVx7LmP9aRz3Hs1CjE6wYq4bD8tNoI2lUe5vMk7XpGh0SfA=
Self-destructs after first open
02 — Hospitality · AI + Projection
Tablecast.
Interactive projection for restaurants and every venue where the experience is the product. A projector and an AI camera turn a table into a stage — the show finds the plates, reacts to hands and reads the room.
- Stories and animations mapped onto tables, walls and plates
- AI vision: auto-calibration, plate and hand detection
- Tap-the-table menus, guest names and games played by hand
- One designer for the whole venue — playlists and synced projectors
Visit website
In development
03 — Hospitality · Software + Hardware
Tiksy.
Reception and door access for hotel pools and spas. The desk sells a ticket or a pass, the guest scans it at the door — Tiksy checks it and opens the lock.
- Time tickets and multi-entry passes, printed with a barcode
- Barcode reader wired to the door controller
- Hotel guests get pool access for their whole stay
- Approximate headcount, visit log and sales reports
Pool · Spa
Guest pass
Pool & Spa
Today · 07:00–22:00
Access granted · Master Door
04 — LegalTech · SaaS
Docsy.space
GDPR-compliant document exchange for notaries, law firms and accounting offices. Clients send documents straight from your website — encrypted end-to-end.
- Case templates with the exact list of documents you need
- No-code widget for WordPress, Wix and Webflow
- Access logs and automatic deletion (GDPR Art. 32)
- Automations and API for CRM & accounting systems
Docsy.space
Demo
Case 2026/01/15/0001
Property purchase
SaveSave and close case
Message from client
Please check if this is everything you need.
#1 Document: Sale agreement
Waiting for the client…agreement_draft.pdfFile type: pdf
Download
#2 Document: Land register extract
Waiting for the client…land_register.pdfFile type: pdf
Download
GDPR Art. 32 · access logged · auto-delete in 30 days
05 — Motorsport · SaaS + Hardware
Karting Manager.
End-to-end software for karting and racing tracks — from timing systems and LED boards to bookings, competitions, displays and social media.
- Integrated with timing systems incl. MYLAPS X2 sector timing
- LED boards, TVs and LAPO steering-wheel displays
- Bookings, POS, memberships and an online driver panel
- Races, leagues and Grand Prix events — shared to social media
Sold CTO / Lead Dev
At its peak the software ran on tracks across five continents — including Kartingowy Narodowy, Karting Arena Zagreb, Jena Kartbahn and Karting Area Pamplona.
Live timing
Heat 3 · Lap 1/12
PosKartDriverBestGap
- 1
- 2
- 3
- 4
- 5
7M. Nowak32.871
—+0.214
12K. Wiśniewski32.418
+0.214—
3A. Kowalczyk33.190+1.032
21J. Zieliński33.402+2.460
9P. Lewandowski33.655+3.118
06 — Hardware integration
LED Display.
A large-format LED display wired into custom software. Operators plan what's on screen, push live messages and keep an eye on the hardware — from one panel.
- Playlists and schedules for text, images and video
- Live messages on air within seconds
- Direct integration with the LED controller — brightness, power, status
- Remote monitoring with a live preview
Main hall256 × 128 · Online
Welcome loopText · 00:10
On air
Queued
Happy hourLive message
Ready
On air
20%
Push to display
Play your Joker.
Free your Mind
Take the Joker for IT
Tell us what you're thinking. We'll get back to you.
marcin@musiak.pl