Lisbon Working EU, UK & US Senior engineering studio
A live product or a new one. Senior-led engineering. Direct access and clear ownership throughout.
No commitment. Initial technical overview afterwards.
48hours
to your roadmap after kickoff
14days
first working demo
Verticals
In production with
Existing platforms rebuilt for the next stage — or new products built from zero.
Systems that speak no common language — binary sockets, Protobuf, SFTP, devices on raw TCP.
Document parsing through 6 model migrations, no pipeline rewrite. Every output is checked before it becomes data.
We stay. We rewrote one platform in 2018 and it has needed no rewrite since.
Running
2platforms
mobile, iOS and Android, one codebase
01 / 03 · Smart coworking SaaS
A booking grants a physical door and a WiFi network, then revokes both when it ends. The handover stayed inside our team, and the platform has kept running since.
Read the Coya Case
Utilities
8yrs
in production, from our first commit, no rewrite since
02 / 03 · Estate platform
5,600 residential buildings, one platform. Heat meters answer over raw TCP in 2 protocol generations, behind one interface.
Read the Case: District-heating estate platformMedia
2API
versions live at once, so installed apps never broke
03 / 03 · Streaming
A catalog mirroring a live radio feed drifts by default. 3 health checks catch it first.
Read the Case: Music streaming platformYou receive a technical overview of your product after.
Every number here is reproducible from a repository. If we cannot re-derive it, we do not publish it.
Integrations 01
45+
Third-party systems integrated across six platforms
Protocols 02
8+
Wire protocols in production, from REST to raw TCP
Regulated 03
4/6 out of 6
Platforms under regulation, from finance to metrology
Tests 04
1,755
Automated tests written, counted from the repositories
01
30 minutes. Your scope, our questions, then a technical overview.
02
Agreement. Scope, team and way of working agreed.
03
48 hours. Costed plan, fixed milestones.
04
14 days. Working software, then a demo at every milestone.
05
After launch. The team that built it keeps it moving.
Book a call to discuss the scope. Once we kick off, the costed roadmap follows within 48 hours.
Principal Engineer & Founder
Leads architecture and technical direction, staying close to delivery from kickoff through production.
Built our longest-running platform in 2018. We still run it, 8 years on.
Senior Backend Engineer
Works across backend development, production systems and long-term product continuity.
Has taken over existing platforms inside the team — all remain in production.
I’ve had the pleasure of working with Ihor, and what stands out most is his ability to take ownership and move things forward independently.
[Ihor] is remarkably structured, proactive, and always finds efficient solutions to tricky technical problems.
Working alongside [Ihor] was always a pleasure thanks to his strong communication skills and his understanding of business processes and what users actually need.
Your scope, our questions. A technical overview follows the call.
We reply to email within 24 hours.