Software development & maintenance – Sii Polska

We have the scale,
expertise, and references

550+

Java developers

550+

.NET developers

250+

mobile & web developer

600+

embedded & C/C++ developers

250+

help desk experts

Meet our specialists and check what challenges they're able to tackle

Sergiusz
Solution Architect, 15 years’ experience

At Sii I work as an architect and Java team technical leader in the telco industry.
3D printing and embedded electronics working together – that’s what really interests me.
Lukasz
Java Architect, 14 years’ experience

On a daily basis, I cooperate with our clients to create optimum IT architecture, at the same time working with Big Data and Data Lakes.
I like different types of sports, but running long distances is what I do best.

You have our support

We cover all aspects of software development & maintenance

Success stories of our clients

E-Blood System E-Blood System
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Customer Selfcare System Customer Selfcare System
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ONE OF THE LARGEST CORPORATIONS IN THE OIL INDUSTRY
Implementation of automated fuel sales application Implementation of automated fuel sales...
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Development of a new product lifecycle management system Development of a new product...
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ITC system (e-KRK system) ITC system (e-KRK system)
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We can assist you on every step

Idea

Analysis & requirements

Solution design

Development

Testing

Maintenance

We know your business

Our services are suited to your industry

Industry leaders trusted us

Learn more about us

See what's new at Sii

Sii Poland is the largest IT services provider in 2019 according to the Computerworld...

Exciting new projects and key wins. Find out what drives our growth throughout...

A new dimension of communication and teamwork at Sii Poland – see why Microsoft...

How to replace wheels in a speeding car – Agile transformation in Reckitt...

Salesforce implementation – what can go wrong and how to prevent it?

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