Royaltiz is the first talent stock market where users can trade and collect the yield of their favorite talents.As a CTO I make sure the IT team we have is only preoccupied with software development.

Nexway is a worldwide provider of e-commerce SAAS platform with subscription and licence lifecycle management.I design and develop REST API based microservices in Java, Golang, and PHP for customer facing portals and back office systems. Among our customers are big brands such as: Kaspersky,Avast, ESET, TeamViewer, Ubisoft, Razer and others.I also lead the Polish agile development team of 13 and report directly to CTO and Engineering Manager. I am responsible for hiring new staff, conducting progress checkups, performance reviews, budgeting lab operations, etc.

Pragmatic Coders is a highly successful software house in blockchain and smart contracts area.I worked on distributed platform for peer-to-peer capital markets for an international investor using smart contracts on Ethereum platform. Our DApp featured private equity fund, commodity backed tokens exchange, tokenized lending for individual and institutional investors. I worked on KYC compliant onboarding, access control, and token trading subsystems.

Nexway is a major provider of e-commerce platforms for publishers and online retailers of digital goods in subscription model.I led team of highly skilled developers working on e-commerce platform for globally recognized brand in anti-virus software industry. I interacted with business and QA teams to advance development of the product. Being responsible for "Nexway University" project I mentored programming teams in Poland and France.

O2, later taken over by Three.ie is one of the biggest and best known brands in Ireland. Telefónica is a multinational telco business.I led Development Team responsible for corporate web site. I was responsible for planning and coordination of technical efforts related to ongoing development, extension, modification, and modernization of Telefónica O2 web presence. I also managed technical aspects of insourcing of existing projects and platforms and bringing integrated, modular solution under one roof. Using my technical expertise and experience in service oriented architecture I designed and implemented key components of web landscape in O2.- Streamlining development process through introduction of source code control, unit testing, continuous deployment, agile development practices.- Focus Online - service oriented platform for querying, processing, and presenting customised offers to customers on the web. Integrated with multiple fulfilment backends to maximise flexibility and conversion ratio.- Web services layer for accessing and managing multiple disperse systems through unified interface.- Service usage information dashboard for prepay customers - integrated with remote web services and fitted with up- and cross-selling features.

At the timeTuenti was the biggest social network in Spain with over 13M unique users monthly.I was part of core framework team responsible for disigning, prototyping, delivering, and extending robust, scallable, and performant platform for other Tuenti developers. Communication, code reviews, preparation of documentation and training material, internal support, and reaching out to developers is another key responsibility. I was also engaged in migration and planned obsolescence of legacy systems.Previously in Tuenti I was involved in delivering back office platform for Tuenti mobile division. This included planning and coordination with subcontractors and internal operations team. The result was a multiuser, permission and approval based, version controlled, web-service driven propositions manager for Tuenti mobile platform with user friendly interface.

Imagine is the fastest growing telecom and ISP in Ireland and WiMAX technology provider.I was leading a team of developers responsible for design, development, integration, and maintainence of back office web applications through their life cycle in broadband and telecom domain. This position demanded communication with internal and external stakeholders in order to translate business goals into technical requirements, specification, and design. I was interfacing between managers and engineers, mentoring engineering team. Formalizing development process consisting of team work organization, release management, quality assurance, and toolsmith works were also among my responsibilities.Works designed, developed from the ground up, and maintained through their life cycle were:- Walled Garden - a provisioning, reporting, and diagnostic system for WiMAX equipment, featuring point-in-time customer service history, transactional processing layer, integrated with Motorola network provisioning applications: SAG, NetOp PM, Sonus, Iperia- WSL - a store-and-forward middleware system for on-line and off-line SOAP messaging, integrated via XML with 3rd party CRM application- Acceptable Usage Policy - portal for monitoring and reporting on bandwidth usage policy violations, integrated with custom network reporting tools and business analysis software- Comms - supervised development of communications platform, which was extracted from Walled Garden. It was a robust customer filtering and communication tool for pushing messages to customers (commercial information, billing and usage issues) through various channels (web, email, sms)- GRILL server - a RESTful pub-sub messaging hub for notifying about key business events across above systems, which chiefly simplified interoperability between remote parts of company operationsMaintenance, integration, and planned phasing out of legacy systems was a key factor for business in all works created.

Blastbeat was a social enterprise startup running multinational educational program and social network for youth music enthusiasts.As a lead developer I designed and executed with subcontractors a moderated social network for fans, bands, and mini-music-companies run by kids and supervised by parents and teachers. Catering for multiple stakeholders required careful design of fine-grained, yet comprehensible access control system and extensive search capabilities. I was responsible for planning and implentation of migration from legacy systems toward an integrated platform. I also devised a social moderation engine rating quality feedback for a moderator.In addition I designed and implemented a content management system tailored to business requirements, which featured multilingual content, moderation and approval mechanism, multimedia streaming, document versioning, and vanity URL support.

Paddy Power is the #1 on-line bookmaker web site in Ireland. With team of fellow developers I worked under constantly changing requirements on in-house business support software. Also games microsite at http://games.paddypower.com was redeveloped from ground up with support of graphics designers.

Betasoft was where I learned awfully lot about software engineering done right. I was working in team building web software for business processes support (document and work flow management, customer relationship management). Our product was successful in environment of business and government customers.

EPSI was a start-up where I mastered my computer systems and software development skills. It was a great adventure in doing business, working with customers, and building custom solutions. Many interesting ideas sparked and materialised there, such as thin-client technology, centralised authentication system, cluster-of-workstations, content management system, wireless metropolitan area network.