Apex Developer in Zagreb, Croatia

A configuration of a SimpleSAMLPHP framework to integrate with Salesforce.com configured as an identity provider in order to leverage single sign on capabilities for any PHP application. The project included configuration of Salesforce as an identity provider, definition of custom SAML attributes and automatic provisioning of Partner and Customer portal users to remote endpoints. On the PHP side, the project included installation and configuration of a SimpleSAMLPHP framework to operate with Salesforce.com set as an identity provider. A full set of design and implementation documentation was delivered as a part of the project.

Authorize.NET is a payment gateway widely used in the US for processing one off and recurring payments. The project included an implementation of the full stack Authorize.NET hosted CIM API, requiring custom development of Web Service requests and responses due to complexity of Authorize.NET services. Access was enabled for Authorize.NET hosted payment details forms from a public site as well as from the standard Salesforce.com environment.

I handled analysis, design, and implementation-related activities of a special mobile landline product for O2 Telefonica UK. The project included development of custom Apex REST API server to enable integration with back-end Telco core applications for provisioning purposes, data model design, and implementation, as well as a service cloud console application configuration for agents, VisualForce pages for exposing the product in the O2 business shop website, and creation of reports.

A project including scoping and initial system design for Finland's largest telecom operator. The project included interviewing business stakeholders in order to properly capture requirements, such as related product portfolio and special security related requirements in order to perform proper analysis and design of a very complex Salesforce solution with multiple integrations, including the DRO option offered by Salesforce.com.

I created data structures and a presentation layer for classified ads in one of the largest publishers in Scotland. The project also included integration with the legacy back-end system and SMS gateway. It included creation of a custom VisualForce component in order to properly display hierarchical data structures, as well as creation of a custom HTTP API client needed to connect to the SMS gateway.

A very complex project to create a system that would support bill processing all captured in Salesforce.com. Project activities included initial stakeholder identification and requirements discovery workshops directly with identified stakeholder and business owners. The whole solution included several integrations that passed out of box capabilities offered by SFDC, so a new product was developed and implemented (based on mule ESB) in order to enable Salesforce to integrate with outside systems. I worked as lead architect during all scoping and design sprints, and later was a main point of contact for all the development efforts. Due to resourcing issued faced during project execution, I also participated in the installation of identified stories.

A mobile network Value Added Service for parking meter replacement, integrated with IN in order to access messaging and charging functions - ParlayX. A HA solution running a server farm behind a load balancer operating as part of a larger system. Full end-user and administration documentation was created.

I outsourced a support for a commercial system deployed at a telecom provider. The custom solution is developed over five years with little or no functional or architectural specification documents. It features multiple different technologies used for development, running on 10 servers, such as: Sun Application One farm, Sun MQ cluster, Oracle RAC, GlassFish Farm, Tomcat Farm, and custom Tomcat application clusterware. It features multiple integration points: on line charging, postpaid CDR generation, messaging gateway, and network management tools (SNMP). It also includes web-based statistics and reporting.

An application for retirement fund members to check their current savings, savings history, or manipulate data change requests. A second application was also created for retirement fund agents used for form filling and generating filled member application forms, as well as for payout reporting services.
The applications were integrated with the core fund system through web-services. Security was handled through an SSL certificate for HTTPS acts to web service and through inbound allowed connection filters on the internal IT infrastructure.

A secure system for electronic data exchange between the agency and operators. Security was implemented through digital signatures and keys for authorization and encryption.

This activity was a part of a larger infrastructure upgrade project. It was necessary to design, install, and properly configure the application server infrastructure for the client's internet banking application so it would comply with the regulations of the Croatian National Bank.

The project goal was introduction of a subset of ITILv3 standards to the organization that at the time didn’t have any written policies or procedures regarding the internal IT department and information systems. During the project, certain parts of ITILv3 standards were selected and adapted to serve as a foundation for further information systems stability. All the recommendations for implementation were given with respect to the available human and material resources.

An implementation of an organization-level BCM system. Project activities included analysis of current processes and their threshold identification, identification of critical personnel and their replacements, call scheme creation and alternate site relocation exercise. Project deliverables were used as a catalogue for creation of new policies as well as internal BCM documentation and procedures.

An internal project aiming to provide a localized PCI DSS merchant compliance program to the Croatian market.

The 'SMS School Notification System' provides an effective, fast, and inexpensive way of informing parents/students about various activities in the school, and offers them the possibility of more active participation in their children's education. The 'SMS School Notification System' accepts, stores, processes and distributes information about homework, grades, timetables, parent-teacher meetings, absences, excursions etc. It is primarily oriented on communicating using SMS messages, but the information can also be sent by e-mail. It is made out of one or more servers with operating systems, interfaces, and accompanying business logic.

Based on free text input, Tourist Friend enables advertisers to send ads as unformatted text in any language, anytime, anywhere, via simple SMS/MMS message. The service extracts relevant information out of received text, and formalizes and publishes ads to tourists according to advertiser’s requests. It enables tourists to insert their present location within the information request (SMS/MMS) to reach the ad. Location information will be used to find the most appropriate ads according to a tourist’s needs. It provides tourists with all kind of information related to accommodation, excursions, all sorts of rentals, local products, manufacturers (honey, wine, brandy, etc.), sports, and entertainment. It allows customers to subscribe themselves to receive new ads of their specific interest. The service can be approached in several ways: SMS/MMS, email or web.

A prepaid front-end solution that enables real-time charging of IMS-based VoIP and data services. The solution includes IVR and web portal applications for self-care operations. We had to provide full technical and operational instructions and manuals as requested by Motorola. The solution was deployed at Wateen Telekom in Pakistan, where we also held training for local staff.