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Senior engineers who join your team and get things done
We’re 27 people in Warsaw. Our engineers have worked inside teams at Cisco, EF Education First, Solutions30 and Privalgo, some of them for years. Add a few people to your team, or hand us a whole product. The people are the same.
Real work, real numbers
What this looks like in practice
Three engagements, three ways of working with us.
Solution components in a business-critical Dynamics 365 CRM, cleaned up by 3 of our engineers. 2.5 years in, and still going.
PrivalgoUnited Kingdom
The same 4-person team has run Smartfix30 from first MVP to 3.1M+ users and 11k+ technicians a day.
Solutions30France & Luxembourg
Unhandled incidents from around the world, moved from Excel into ServiceNow ITSM in 9 months by a team of 3.
CiscoUnited States & United Kingdom
How we work with you
Pick the model that fits
Three ways to work with us, all with the same senior people.
Team Extension
Most clients start hereYou lead the work. Our senior engineers join your sprints, repo and tools.
- Billing
- Monthly, Time & Material
- Start
- In about 2 weeks
- Best for
- A backlog bigger than your team
Dedicated Team
We run a complete team focused on your product. You set the goals.
- Billing
- Monthly, Time & Material
- Team
- Developers, analyst, QA, PM
- Best for
- A product without an in-house team
Fixed-Fee Project
A clearly scoped piece of work, delivered for an agreed price.
- Billing
- Fixed price
- Scope
- Agreed up front
- Best for
- Upgrades, migrations, PoCs
What we work on
Where our engineers help
.NET & JavaScript Development
Web platforms, APIs and step-by-step modernisation of legacy .NET Framework systems, with Angular and Node.js on the frontend.
.NET Development →Dynamics 365 & Power Platform
C# plugins, integrations, solution clean-up and release processes for Dynamics 365 CRM.
Dynamics 365 →AI Development
Assistants on your own documents, document processing and workflow automation, built into the systems you already run. Start with a proof of concept.
AI Development →Analysis, QA & delivery
Business and system analysts, QA engineers and project managers, in-house, to cover the gaps around your developers.
Team Extension →Technology
What our engineers work in every day
Verified on Clutch
What clients say about working with us
Rated 5.0 from 28 verified reviews.
“We are impressed by their approach, professionalism, confidence, and agility.”
Verified review on Clutch · 5.0 · Staff augmentation · since 2020
“Appstronauts’ strength is the availability of their team.”
Verified review on Clutch · 5.0 · Dedicated team since 2016
“We had a good experience, thanks to their open-mindedness and outstanding ideas.”
Verified review on Clutch · 5.0 · Staff augmentation
Security & trust
Ready for your procurement and security review
We work with companies like Cisco and EF Education First, so the paperwork is part of the job. Whatever your policies require, we sign and follow.
NDA, before anything else
We sign your NDA before you share anything about your project.
Data Processing Agreement
A GDPR-compliant DPA whenever we process personal data on your behalf.
Professional liability insurance
Our work is covered by professional liability (OC) insurance, with details for your procurement team on request.
Your hardware, your accounts
If your security policy requires it, our engineers work only on your laptops, VPN and accounts.
Certified engineers
Most of our engineers hold Microsoft, AWS, Google Cloud or Claude certifications.
AI on your terms
We agree up front which AI tools and models can be used on your code and data, and nothing else is.
Let’s talk
Not sure which model fits?
Book 30 minutes with me. Tell me what you need to deliver, and I’ll tell you honestly how we would staff it.
or email radek@appstronauts.co