Senior C# Developer

We are growing our team in Zagreb, Croatia and we’re looking for people who possess a positive attitude and who enjoy working in a relaxed professional environment alongside some very smart and motivated people.

We have an opportunity to add one more senior C# developer to work with us on building the Vitalograph Clinical Data Management product. The role is based in Croatia – but we will fly you into Co. Clare, Ireland for two weeks to get to know the people, technology and processes. Whilst you’re there you can get to sample the night life of Ennis and see some of the amazing #WildAtlanticWay in Clare.


– A degree in a software engineering or related discipline
– Experience designing and developing Microsoft based web and desktop applications
– Formal design methods e.g. UML
– Database development and querying experience with MSSQL
– Experience with and knowledge of the full software development lifecycle
– Excellent written/verbal English communication skills

The following skills would be advantageous:

– Experience with C# .NET Winforms, WPF and/or ASP.NET, Web Services and associated frameworks
– Experience with Microsoft Visual Studio .NET 2017 and TFS, .NET Framework development
– Experience with SQL Server and SQL Server Express
– Experience in the development of software within a regulated environment
– Experience working in an Agile environment


  • Competitive salary that rewards performance and drives innovation 
  • Pleasant & Flexible working environment within a Grade A facility in Zagreb with some really smart people
  • Healthy work-life balance for all our team members (work from home every Friday or choose your day of the week)
  • Annual health check – to make sure you’re fit and healthy and help you stay that way
  • Coffee and drinks on the rooftop cafe is a great way to freshen up and clear your mind. 
  • Learning & Development – identify areas for development and we’ll provide time and access to training materials.
  • Internal R&D projects are available to help develop leading edge skills in areas such as AI, Big Data and Blockchain.
  • Alternatively if you are an independent contractor you could join our Development Partnership program (different Ts&Cs from employees of course)

Keeper Solutions is an International software services firm with global reach. Our head office is located in Limerick, Ireland and our delivery centres are in Croatia, Serbia, Romania, Poland and Russia. We are expanding our ecosystem in Zagreb and we are looking for the right talent to ensure provision of world-class support services to our clients in Ireland, UK and USA.

Privacy Regained: Is Blockstack the Template for a New Internet?

Follows is an abstract from a recent article published by Stephen Walsh in the Cutter Business Technology Journal.  For access to the full article use this link

Blockchain protocols have the potential to facilitate a fundamental shift in the Internet business model from its current status, where the user is the product, to a future model, where the user is the customer and the user’s data always remains in the user’s control.  The blockchain paradigm enables this shift in business model because it keeps user-specific data encrypted and visible only to the user who holds a private key.  For example, on the Bitcoin blockchain, owners of Bitcoin addresses are not explicitly identified, but all transactions on the blockchain are public. The mask of privacy provided by cryptography allows the service provider access to only the minimum information required for the provision of the service.

A second dynamic at play is the distributed nature of blockchain. Each participant in a blockchain provides resources to that network in accordance with the needs of that particular blockchain — be it computing, storage, security, funding for development, or maintenance services related to the blockchain. The design of blockchain protocols (to varying degrees) ensures that no single participant has outright control of the blockchain. As such, there is a new governance model in which the rights of users, developers, and miners are balanced and distributed.

Thus, blockchain enables the emergence of a “New Internet,” in which users pay for access to limited resources by means of tokens that have monetary value.  These tokens may be accumulated by founders and early-stage developers; they may be allocated to early adopters to incentivize a particular activity that helps grow the network; or they may be purchased during an initial coin offering (ICO) or on an ad hoc basis by users wishing to access services. Tokens may have differing functions at different phases of the network’s development, but generally are designed to provide appropriate incentives to the parties to the network: entrepreneurs, developers, users, and miners.

For more details on the Blockstack architecture, see whitepapers at

Walsh, Stephen. “Privacy Regained: Is Blockstack the Template for a New Internet?” Cutter Business Technology Journal, vol. 31, no. 4, ser. 2018, 18 May 2018, pp. 22–27. 2018,

Stephen Walsh is a technology entrepreneur from Ireland. He is CEO of Keeper Solutions, a software services firm that provides outsourced development services to clients in the UK, US, and Ireland. Mr. Walsh’s background is in banking systems, software services, and outsourcing, and he has played key roles in Misys, Perot Systems, and Dell. He can be reached at [email protected] or on Twitter @keepersolutions.

If you’re interested in working with blockchains, or specifically with Blockstack, get in touch with us.  We’re building a Blockstack capability in Keeper Solutions and are reaching out to clients to work on related development projects. Look forward to hearing from you [email protected]

About Us

Keeper Solutions provides scalable, expert, outsourced development resources to Irish and UK clients from a network of software centres across Europe. Our teams are highly skilled, expertly managed and fully committed to the long term success of our partners. We specialise in highly regulated development environments.

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