Web applications
Dashboards, portals, and customer-facing apps that hold up in production.
SVC · TELEMETRYP95 142ms
REQ/S 4.21K▲ 99.98%
QUEUE · WORKERS×6
ingest0
transform142
dispatch3
PROTOTYPE · iOS
SYSTEM · MAP
PIPELINE · CI
BUILDPASS
TEST · 214PASS
DEPLOY → PROD68%
DEPLOY · LOGLIVE
11:42 build ok
11:43 push prod-eu
11:43 health 200
11:44 shipped v1.2.0_
Core-01
Obsidian Build Core
Obsidian Build Core
59.4370° N
24.7536° E
24.7536° E
Status · shaping ▸ shipping
Render · realtime
Founder-led product engineering
Raw complexity,
engineered into product.
We take unclear, messy software and ship it as reliable products: web, internal tools, automations, mobile and desktop, built by the person accountable for the result.
01Capability map
Six systems wired around one core.
Each capability is a working surface of the same engine: designed, connected, and shipped as one coherent stack.
Internal tools
Ops systems and dashboards your team actually wants to open every morning.
Automations & integrations
Pipelines and connectors that quietly remove manual work between systems.
Mobile apps
iOS and Android products, from first prototype to a live store listing.
Desktop apps
Native-feeling macOS and Windows software for real, heavy workflows.
Rescue & rebuild
Inherited, broken, or stalled projects made stable and shippable again.
02Transformation
Complexity, organized into product.
01
Intake
Map the real problem
We find the actual problem hiding under the request: what needs to exist, and what does not.
02
Architect
Design the system
A structure built to last and to grow, not a patch stacked on a patch.
03
Build
Engineer in tight loops
Founder-led engineering shipped in short cycles so you see real progress, not status decks.
04
Ship & own
Launch and stay accountable
Shipped, monitored, and maintained as a product, with one name still responsible for it.
03Studio products
We build our own products, too.
Designed and run under our own name, so we live with the same pipelines we hand to clients long before they ship.
9:41
Relay
TODAY · 14 ROUTES
RT-204 · Harbour
ETA 11:40
RT-211 · Old Town
ETA 12:05
Product labiOS · Android · field workflows
Relay
A dispatch and logistics concept for field teams: live routing, ETAs, and exceptions in one calm surface.
Stage
Prototype
Build
v0.9
Roadmap
Public · later
CHANGELOG
+offline route cachev0.9.4
+push ETAs for dispatchv0.9.2
Atlas — Operations Console⌘K
Pipelines
FILTER+ NEW
MODULES Pipelines Services Incidents · in dev Audit log · planned
04The studio
One studio. One name on the work. Tolstov OÜ is founded and led by Petr Tolstov, so the person who designs your system is the person accountable for it.
Based in
Estonia
Focus
B2B product engineering
Ownership
Founder-led, end to end
P/01 · Direct
You talk to the builder
No account layers between you and the person making the system.
P/02 · Owned
Shipped, not handed off
The work is built to be operated, measured, and improved.
P/03 · Clear
Scope before code
The messy part gets named and structured first.
05Launch console
Have something to ship?
Tell us what is unclear. We will turn it into a plan, then into a product.
build-console · secure59.44N / 24.75E
› initialize new build
✓ request received
✓ queued for review · OPR-001
Petr will reply within one business day._
or write directly[email protected] →