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Top IT & engineering services provider in the heart of Europe

International Clients
It & Engineering Engineers
Countries Served
Delivery Centers

Why outsource to Poland?

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Geographical Proximity

Strategic location in the heart of Europe. Easy access through a network of airplane connections.
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Secure & large offices

A-class offices – all working in an MPLS redundant network with full separation of customer appliances with daily back–ups and managed RPO and RTO.
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Best place to work

A title awarded in independent surveys. The best place to work attracting the best people.
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Mature delivery units

Sii Competency Centers – specialized in delivering services and solutions in a specific technology domain.
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Cost-effective project execution

Competitive prices combined with the highest quality & standards – confirmed by more than 100 multinational clients benefiting from a long-term cooperation with Sii.
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Flexible cooperation models

The cooperation model adjusted to the needs of our Clients – starting with hiring individual specialists, through the engagement of entire project teams, up to implementing comprehensive projects and managed services.

Sii Offer Sii Poland is a market leader in Offshoring IT and engineering services. Currently more than half of our engineers is engaged in projects for clients operating in 20 countries, including Canada, Japan and Western European countries. To ensure the highest quality of delivered services, Sii specialists operate within Competency Centers – specialized in a given domain or technology.

The best specialists at your service 24/7
No matter where your company is located, with Sii you always have access to top-notch specialists – 24/7.

.NET programmers
Experts in Mobile and WEB solutions
Specialists in Electrical Engineering
JAVA programmers
AEM specialists
IT Infrastructure Administrators
Software Testing specialists
SharePoint experts

Sii competence map

Software Development

Java, .NET, C, C++, C#, Cobol, Perl, JavaScript, PHP, XML, PL/SQL, Objective C

Struts, GWT, Spring, Spring MVC, Vaadin, JSF, Hibernate, MyBatis, Ruby on Rails

Application Servers:
WebSphere, Weblogic, IIS, Apache Tomcat, JBoss, Glassfish

Oracle, MS SQL, Sybase, DB2, Informix, MySQL, Postgres SQL

IBM Wesphere, Apache Service Mix, FuseESB, Tibco, webMethods, Camel

Mobile Applications:
iPhone, Android, Blackberry, Windows 8

HTML/CSS, HTML5/CSS3, JS, Flash, Silverlight

Business Solutions

MS Dynamics, SAP, Oracle EBS

MS Dynamics, Salesforce.com, SAP, Siebel, Oracle Fusion, PeopleSoft

BPM Workflow:
IBM WebSphere Process Server, Oracle BPM, Activiti

MS SharePoint Server, EMC Documentum, AlFresco, Filenet, Liferay

Cognos, Microsoft, Oracle, Business Objects, Hyperion, Microstrategy

FlexCube, Tuxedo, Fermat, Globus, Connect Direct



Test tools development:
C#, C/C++, .NET framework, Python, LUA, Java, Embedded C, Hardware Engineering, Tailor made

Test execution:
Quick Test Professional / Unified Functional Testing software, Test Complete, JMeter, Selenium, Visual Studio (C#), LUA, TCL, Python, Rational Robot, HP Performance Center / HP Load Runner, Tailor made

Test Project Management:
HP Quality Center / Application Lifecycle Management, Bugzilla, Jira, Clear Quest / Clear Case, Test Link, MS Project, Tailor made

Performance, Manual, Smoke, Integration, Regression, System, Functional, Automation, Overnight, Weekend

IT Infrastructure

AIX, Solaris, HP-UX, Linux, Windows

TCP/IP, LAN, WAN, routing, switching, urządzenia Cisco, Juniper

VPN, NAC, firewalle, proxy servers, security audits

Infrastructure management:

VMware, Xen, Citrix, KVM, Hyper-V

Tivoli, Nagios, NetFlow, Cacti, Orion SolarWinds

Data Bases:
Oracle, DB2, Sybase, MS SQL Server, PostgreSQL, MySQL

VoIP, Asterisk, Cisco, Blackberry

Service desk

Product Engineering

Embedded and Real Time Systems:
Assembler, C, C++, Java, Microcontrollers, UML, SART, Do178B


JainSlee, NGIN, OpenCloud, VoIP, MPLS, IMS, SS7, Intelligent Network, IP Networks/design, SIM cards

Mechanical engineering:
CAD/CAM, Machine Design, Thermodynamics, Fluid Mechanics, Catia, Ideas, Pro/E, Matlab, Fluent, Abaqus

Electrical hardware and software design:
AutoCad, EPlan, PLC: Siemens, Allen Bradley (Rockwell Automation), Schneider Electric, Moeller, Bosch, commissioning of assembly lines and PLC based systems

OUR IMPLEMENTATIONS AND PROVIDED SERVICES Find out more about our projects and services provided to selected international clients. At Sii we deliver services in 4 basic cooperation models – from the engagement of individual engineers up to carrying out comprehensive projects. Find out which form of cooperation bests suits your needs.

  • Dynamics CRM for a Corporation operating on 4 continents
    Dynamics CRM for a Corporation operating on 4 continents

    Dynamics CRM implementation was caused by the need of supporting big number of loans given and thus the number of documents generated in the process.

    Radio control of the rolling stock
    Radio control of the rolling stock

    Implementation of modern technologies of radio control of the rolling stock required a large number of engineers, which are difficult to obtain in the labor market.

    Cooperation in the design and commissioning of an automated assembly line
    Cooperation in the design and commissioning of an automated assembly line

    Sii has extended its cooperation in the design and commissioning of an automated assembly line, and is developing cooperation in new areas.

    Test Centre – a team of Firmware&Software testers
    Test Centre – a team of Firmware&Software testers

    Sii has established a Test Centre to carry out a complex process related to software quality assurance.

  • Mobile testing
    Mobile testing

    Carrying out comprehensive tests in the Test Lab, which enabled the introduction of a mobile application allowing to open and manage a bank account via mobile devices with access to the Internet, to the market.

    Java development
    Java development

    Creating an Internet site for managing the benefit system for employees.

    Firmware development and testing
    Firmware development and testing

    Sii has been supporting the Client in software design, development, customization and testing.

    Magento e-commerce application
    Magento e-commerce application

    Implementation of an e-commerce platform for the company's partners.

  • Data warehouse FORT
    Data warehouse FORT

    Implementation of a system enabling the monitoring of sales processes.

    Dynamics CRM for banking industry
    Dynamics CRM for banking industry

    Implementation of the tool supporting the work of regional advisers of corporate client and allowing the management of the sales department to monitor sales KPI.

    PLC Software Development – Body-In-White
    PLC Software Development – Body-In-White

    Software design and commissioning for Body-In-White assembly line (welding line for car body elements).

    Digital textbook system adoption to mobile-friendly technologies
    Digital textbook system adoption to mobile-friendly technologies

    The migration of legacy digital educational solutions into modern technologies, supporting mobile devices.

  • Service Desk
    Service Desk

    The entire process, supporting Service Desk and second line in the head office and in branches all over the country is realized by Sii’s team.

    Managed Testing Services
    Managed Testing Services

    Providing a testing service for an Icelandic airline, in order to provide excellent customer experience related do digital systems

    MS Dynamics AX 2012 system maintenance and development
    MS Dynamics AX 2012 system maintenance and development

    MS Dynamics AX maintenance services for global organization (Italy and Poland).

    Establishing a team dedicated to the validation of state-of-the-art hardware technologies
    Establishing a team dedicated to the validation of state-of-the-art hardware technologies

    Sii establishes a team dedicated to the validation of state-of-the-art hardware technologies.

  • Specialists outsourcing

  • Team Leasing

  • Projects & system integration

  • Managed services

Clients and references

We support a numer of industry sectors ranging from Financial Services, Insurance, Energy and Utilities, Retail, Telecommunication and Media, Professional Services, Transportation and Logistics, Public Sector to Automotive and Hi-tech. The 10 years of empowering the industries with top-notch technological services and solutions, tailored to the specific needs of each client, have made Sii the strategic business development partner to the major players on the market.

  • Selected

  • Banking

  • Energy

  • Hi-tech

  • Automotive

  • Public

  • Retail


  • Insurance

  • Professional Services

  • Transport & Logistic

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With Sii we’ve been able to bring solutions to bare on the market that are more complete and higher quality than some of the software components that we’ve developed internally.

Matthew Tyler, Director of Strategy and Product Roadmaps , ON Semiconductor – USA
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We perceive Sii as a strategic partner, that will play the key role in the development of our company’s branch in Poland. The cooperation model has been evolving from what we have started from 5 years ago – the participation of individual specialists in projects, to carrying out entire projects independently – this is what we see as the biggest advantage in the cooperation with Sii.

Paweł Molenda, Site Manager, Sabre – Poland
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What I really do appreciate is the fact that Sii is very responsive to my needs. I can be a quite demanding business partner and  if I have a need to scale up results very quickly Sii is ready to meet that need. And I’ve never yet been disappointed. That’s been good.

Martyn Oswin - Head of IT Development at DFC UK
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We chose Sii as a business partner as it is cost-effective. Also, the company can offer the whole package – the development and maintenance, which in other countries is difficult to find. The cooperation between our companies is great. Though it has over 2000 employees, we feel like we are dealing with another start-up as it is very flexible.

Samu Saastamoinen - CEO and Founder of Scrooge

Sii Partnerships We implement solutions of the internationally acclaimed technology companies.

  • WebSphere Core
  • WebSphere BPM
  • Data and Information Management
  • SAS Visual Analytics &
  • Statistics
  • SAS Analytical Platform

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Proof of Standards The high quality of provided services and our observance of the most rigorous security standards are confirmed by world-recognized certificates.

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