Experience with production systems
The portfolio includes a B2B SaaS product (Kliendix), a construction-tech platform (build.works), an automated ferry-ticket tool (praamipilet.ee), and SAP/ABAP work for enterprise and public-sector clients.
About CodeInv
CodeInv is a small software development company in Tallinn, led by Roomet Oja. We build web applications, integrations, and business software.

Founder and lead developer, CodeInv
Our values
The principles we follow on every project.
We choose tools that suit the job, adopting new technology where it helps and keeping reliability a priority.
We write clear code, think through the design, and test the solution throughout development.
We work alongside your team and offer continued support after launch.
Regular progress updates and clear explanations of the trade-offs. You always know where your project stands.
Why work with us
Three things you can expect when working with us.
The portfolio includes a B2B SaaS product (Kliendix), a construction-tech platform (build.works), an automated ferry-ticket tool (praamipilet.ee), and SAP/ABAP work for enterprise and public-sector clients.
You speak directly with the developer, without an account manager relaying messages or separate meetings for status updates. We answer questions the same day.
One developer handles most projects. When a task needs more capacity or specialist skills, we bring in trusted developers for that part of the work.