Umbraco and .NET developers who build back-office extensions, upgrades, integrations and headless front ends. Join them to your team, run them as a dedicated team, or use them white-label under your agency’s name. You interview everyone first.
These are the areas of Umbraco work our developers cover. Each one is tied to a project where we did it, so you can see the result before you hire.
Custom property editors, dashboards, sections and plugins for the Umbraco back office, from AngularJS on older versions to Web Components with Lit and TypeScript on current ones.
Moving Umbraco 8 and .NET Framework code to Umbraco 17 on .NET 10, replacing packages with no upgrade path and keeping tests green throughout.
Umbraco connected to identity providers, CRMs, marketing tools and external data sources, with imports that run on a schedule.
Umbraco as a headless CMS behind Next.js, or classic Razor sites with Vue, React or Lit components that editors assemble from blocks.
Lucene and Examine search across large content trees, caching that invalidates only what changed, and access control for many editors.
Umbraco in Docker, on Azure, AWS or Umbraco Cloud, with CI/CD that produces the same build in every environment.
The difference is who directs the work and whose name the client sees. A fixed-scope project, such as an upgrade, is a fourth option. See dedicated teams & white-label for how these models work across our other services.
A team of OSKI engineers on your product full time, with the roles the work needs. You set priorities; we run the day-to-day delivery.
Engineers join your team, your stand-ups and your repository, and work through your pull request and review process.
We build and support under your brand, under NDA. Your clients deal with you. Project managers and QA can be added when a project needs them.
Rates: our hourly rate listed on Clutch is $25–49, with a minimum project of $1,000. You get the rate for your team in writing before work starts.
You choose who works on your Umbraco site. We put forward profiles that fit your version and your work, you interview them, and only the developers you approve join.
weeks from the first call to a working team, as we estimate it for most engagements. The actual start date is agreed with you.
Roman Oleksuk, our CTO, runs the first call. He asks about your Umbraco version, the work ahead, your process and the time zones involved.
You get profiles of the engineers we would put on the work, with the Umbraco and .NET projects behind each one.
You interview the developers yourself, technical questions included. Nobody joins your team without your approval.
Access to your repository, environments and tools, then the first tasks. We say a team is usually ready in 2–4 weeks from the first call.
Every engineer you hire through us is an OSKI employee. The company is registered in the EU, and most of the engineering team works from Ukraine. Meet the whole team
Developers you hire follow how your team already works. For Lokad, a company based in Paris, our engineers built an in-house CRM from Lokad’s functional and architectural specifications. Every change arrived as a pull request that Lokad’s engineers reviewed, and the code followed Lokad’s coding and architecture guidelines.
“This is a team of engineers who obviously like what they are doing.”
The best test of an Umbraco developer is code other Umbraco teams install. Our developers publish the tools they build on client projects, most of them free and MIT-licensed. Together they have about 51,800 downloads on NuGet.
A company-level partnership with Umbraco. Ask us for the Umbraco projects behind each developer profile.
White-label delivery, a long-running portal, a large legacy migration, multi-site, custom back-office tools and headless Umbraco.
Custom Umbraco websites and third-party integrations, including Okta, built by OSKI for a California consultancy's own clients from 2021 to 2025.
OSKI developers joined HS High Stake to build modules for a large business portal that links a German division, its dealers and its employees.
The third generation of a leading Israeli car site: ~100K records moved from a legacy CRM into Umbraco, fast catalog search and an editor-friendly back office.
A rebuild of Alliant's web estate on current Umbraco: one modular architecture for many sites, Okta sign-in for editors and forms connected to Eloqua.
Custom Umbraco plugins for a platform that teaches Danish, Norwegian and Swedish in schools: reporting, a translation-aware editor and moderated comments.
The official Danish Omoda website for the Omoda 5 EV launch, built on headless Umbraco and Next.js with dealer forms and a shared monorepo.
Quotes from verified Clutch reviews by clients who worked with our engineers inside their own teams and processes.
Given that the client (us) invest in giving them adequate feedback, they deliver high quality, maintainable code.
They had excellent project management skills, assigning project managers and QA representatives when needed.
Guys proved to be experts in their field.
Umbraco CMS costs nothing to license. What you pay for is hosting (Umbraco Cloud from €45 a month or your own cloud), optional add-ons, support and, above all, the development work. Here are the list prices and a build estimator.
Umbraco is a free, MIT-licensed content management system built on ASP.NET Core, developed by Umbraco HQ in Odense, Denmark. Here is how it works, how the company makes money, who uses it, and when it is the right choice.
Umbraco 8 reached end of life in February 2025. Moving to Umbraco 17 means migrating the database through supported steps and rebuilding the code layer on ASP.NET Core and .NET 10. Here is how to plan it.
Anything missing? Send us your question and an engineer will answer, usually within one business day.
Contact usOur rate listed on Clutch is $25–49 per hour, and the minimum project is $1,000. Dedicated teams and staff augmentation are billed monthly. You get the rate for your team in writing before work starts.
OSKI Solutions is a Registered Umbraco Partner. We do not claim individual Umbraco certifications for our developers on this page. What we show instead is the work: 11 Umbraco packages on NuGet with about 51,800 downloads, Umbraco case studies from Umbraco 8 to 17, and verified Clutch reviews. You can also interview each developer before they join.
We say a team is usually ready in 2–4 weeks from the first call. That covers profiles, your interviews and access setup. It is our own estimate, and the start date is agreed with you.
Yes. You get profiles, then you interview the developers you want, and nobody joins your team without your approval. Our CTO, Roman Oleksuk, joins the first call to match profiles to your stack.
Yes. From March 2021 to May 2025 a team of 2 to 5 OSKI people built custom Umbraco websites and Okta integrations for a California consultancy’s own clients, under NDA and under the consultancy’s name. Project managers and QA were added when a project needed them.
Current and older ones. We moved Jongeneel from Umbraco 8 to 17, built Auto.co.il on Umbraco 15, and have worked on a portal that mixes .NET Framework 4.8 with ASP.NET Core 3.1 and .NET 5. Our OskiStarterKit has release lines for Umbraco 9 to 13, and our newer AI packages target Umbraco 17 and 18.
Yes. For Lokad, every change arrived as a pull request reviewed by Lokad’s engineers and followed Lokad’s coding and architecture guidelines. Feedback from the US consultancy taught us to make acceptance criteria very specific, so they are now agreed up front.
A spec, a Figma file or three paragraphs is enough to start.
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