Project for Finnish governmental agency: exploring technologies and making tools and guidelines for other projects to follow

Esko Hujanen has been involved in Lempea Oy’s customer projects as anappreciated team member with high skills in Embedded software development.The main project during Esko’s employment at Lempea Oy has been developmentof ARM based IoT Gateway.Duties have included:• architecture design• implementation• CI pipeline setup• unit test development• integration test development• problem solving

Responsibility of, improving and developing further the Enersize Platform.Enersize Platform gathers, shows and analyzes data from measuring devices and sensors in different industrial plants in different countries. Clients can view analyzes and graphs presented by Platform.Reports can be generated based on gathered data and analyzes.

Development of telecommunication product: dual LTE/WCDMA base station-Large scale project-Classified-Embedded C++-Embedded Linux-Scrum, GitEbsolut Oy Winter 2012-Spring 2014Implementation of project to client-Receiving sensor data and drawing conclusions from this data-Db handling with Hibernate-Java as main development language-Development of rule based system (Drools)-Some web development-Integration of different system partsEbsolut Oy Winter 2011-Winter 2012Development of Ebsolut own product (known as SOOS internally)-JavaEbsolut Oy Winter 2010-Winter 2011Development of Ebsolut own product (known as Holdicase internally)-JavaEbsolut Oy Fall 2009-Winter 2010Development of Ebsolut own product-Mainly Java Servlet and JavascriptEbsolut Oy Winter 2008-Fall 2009Development of telecommunication product at client’s premises-Classified-Rational Rose, ClearCase Ebsolut Oy Fall 2008Retails store cash register system development, as sub contracting.-International project, our clients’s client from one European country, our client’s internal client from another European country, which was ultimately responsible for project.-Mainly C++ cash register development-Also back system development with Java.Ebsolut Oy Spring-Fall 2008Microsoft Dynamics NAVCustomer specific tailoring and making new features, steered by client. Tailoring of NAV-installations of customers of clientEbsolut Oy Fall 2007Development of office software of transportation control application, also development of server and connection software. Also some development of mobile devices that connect to system.-JavaEbsolut Oy Spring-Summer 2007 Fall 2007-Spring 2008Web based bid calculation software, UI design and preparative program design.-To Ebsolut customer-Requirements analysis-Use cases (UML)-Finding and designing software basic blocks-Preparatory prototyping with PHPEbsolut Fall 2006 – Spring 2007

Application design, implementation and testing in mobile component server R & D project.Operation systems used Linux and Windows, Java as main programming language.Ebsolut Fall 2003 - Spring 2004Development of C-language services of database application in Unix-environment towards IBM DB2 databaseEbsolut / Client Fall 2002 - Spring 2003Design and implementation of Q3 interface against a mobile network HLR/AC center.Q3 is an ISO defined interface which is used in TMN (Telecommunication Management Network) network between OSS (Operation Support System, "console" of service provider for managing subscribers/centers) and functional blocks (centers).Ebsolut / Client Fall 2001 – Summer 2002Design and implementation of test cases based on ETSI/3GPP 34.123 specsfor MM and CC protocol layers of UMTS mobile deviceEbsolut / Client 2002

Tasks associated to SW design of interoperability in physical layersof GSM and UMTS protocol software.Design and implementation tasks of RRC (Radio Resource Control) layer of UMTS protocol software.

Design and implementation of prototype application of archive establishing plan registry (arkistonmuodostussuunnitelmarekisteri) for National Archives of Finland (Kansallisarkisto).Acura Systems oy / TJ Group Spring – Fall 1999Design and implementation of issue management and archives management applications for JR-Systeemit Dynastia product family.Acura Systems / TJ Group Winter 1998 – Spring 1999Development and sw design and implementation of a charge meter/controller prototype for the wet end of paper mill.As a platform were used a set of different processors of 8051 family and associated components.Software development was done with C and assembler.Acura Systems / Valmet Automation Winter 1997 - 1998Development of intranet pages for gathering information from sales points, to support R & D-IIS server-VBScript, JavaScriptAcura Systems, client Valtra Fall 1997