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Quality oriented software developer/-architect with passion for perfection
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Service ArchitectMaventaFinland -
Poac Change Management Board MemberOpenpeppol Apr 2024 - Present -
Service ArchitectVisma Jan 2017 - PresentHelsinki Area, FinlandMaventa/Visma AutoInvoice I have had the privilege of being one of the key persons planning, developing and maintaining electronic invoice and document processing, conversion and validation services with millions of transactions per month.Deep knowledge and experience in software and service development, -architecture and quality assurance related to various e-invoice formats, standards and technologies such as JSON, XML, XSD, XSL, XSLT, Schematron, EN16931, Peppol, UBL 2.0/2.1/2.2/2.3, EHF 1.5/1.6/2.0/3.0, PeppolBIS 1.0/2.0/3.0 & CIUS, SI-UBL 1.1/1.2/2.0/2.0 G-Account, OIOUBL 2.02/2.1, TEAPPSXML 2.7.2/3.0 (+EN16931), Finvoice 1.3/2.0/2.01/3.0 (+EN16931), e2b v3.4/3.4.1, VismaUBL 1.0/3.0, VismaXML 5.2/5.3/6.0, LiinosXML, Svefaktura 1.0, S-EDI 3.0, XRechnung 2.3/3.0 UBL/CII, XRechnung 2.3/3.0 Extension UBL/CII etc. -
System ArchitectAutoinvoice/Maventa, Visma Solutions Oy Feb 2015 - Jan 2017Helsinki, FinlandMaventa/Visma AutoInvoice -
Lead DeveloperAutoinvoice/Maventa, Visma Solutions Oy Mar 2013 - Jan 2015Helsinki, FinlandMaventa/Visma AutoInvoice -
System DeveloperVisma Oct 2011 - Dec 2013Helsinki, Uusimaa, FinlandMaventa/Visma AutoInvoice -
Lead DeveloperMaventa Mar 2013 - Jan 2014Helsinki, Finland -
System DeveloperMaventa Oct 2011 - Mar 2013Helsinki, FinlandSoftware development, QA, Scrum, TDD, test automation, e-invoicing, document conversion, Web Services, UBL 2.0, ebXML/ebMS, PEPPOL, EHF 1.5/1.6, E2B 3.4, Finvoice 1.3/2.0/2.0.1, TEAPPS 2.7.2, S-EDI 3.0, Svefaktura 1.0, VismaXML 5.2/5.3, JSON, YAML, XML, XML data binding, XSD, Schematron, XSL, XSLT, XPath, SAX/DOM/Pull parsing, SOAP, X509, 3DES, RSA, PKI, XMLDSIG, XMLENC, Financial Messages, Bank Corporate File Service, etc. Implemented initial support for PeppolBIS 1.0 and EHF 1.5 in early 2012 -
SpecialistTeleca Jul 2010 - Oct 2011Software development, test automation framework development, software architecture, support, training, optimizing, performance measurement, refactoring, documenting, automatic documentation generators, metaprogramming, best practices, Ruby/Ruby Extension, Ruby Lexer, Ruby AST, RDoc/Cucumber formatter customization, C/C++, XSLT/XML/XHTML, testability,Testability Driver (TDriver) framework development. mobile phones, Qt, Maemo, MeeGo, Symbian, Linux, Windows, Scratchbox etc... -
Consultant (Specialist)Nokia Apr 2004 - Oct 2011FinlandExternal Nokia consultant. Software development & testing. Test automation. Frameworks. Test automation frameworks. Software architecture. Open source tools/framework development in Testability Driver project (TDriver @ Gitorious). Symbian, Maemo, MeeGo, Qt, C++, Ruby, Windows, Linux... -
Senior Software DeveloperTieto / R&D Support Services Nov 2009 - Jul 2010I have the key role in cross-platform application test automation tool development (customer) project. My assignment consists of software development, testing with different methods, architecture/implementation designing, refactoring, customer/end-user support, training, consulting and promoting the best practices. I've also participated in sales and conferences as technical specialist. Buzzwords: Ruby, C++, Qt, Maemo, Linux, Windows, Scratchbox, Symbian, Testability -
Senior Test Engineer, Software DeveloperTieto / Telecom & Media Nov 2005 - Nov 2009I have worked in various projects for multiple customers as a consultant. Strong expertise in quality assurance, web-, application- and mobile test automation, training, support, sales support, software development (TDD/XP/PP), test automation framework development (for applications and mobile phones) and working as individual and/or team player in Agile and Scrum projects. -
Test EngineerElan It Apr 2004 - Nov 2005I worked in various customer projects (Nokia Oyj) as Test Engineer, whose work included e.g. teamwork, a comprehensive test-case design of the customer defined use-cases, testing, defect reporting, continuous interaction with the development team and improving the existing test processes. I worked through a subcontractor (Elan IT Resources/Manpower) to TietoEnator. -
Quality EngineerF-Secure Corporation Feb 2002 - Dec 2003I worked in F-Secure R&D department as Quality Engineer, whose work included e.g. manual- and automated software testing, integration- and regression testing. I was also responsible for the maintenance of the MSDN Library. -
Sales ConsultantMediapuhelin Oy Sep 2001 - Feb 2002I worked as a sales consultant, whose work included e.g. customer service, support and sales of mobile phones, -accessories and -subscriptions (DNA Finland Oy)
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It/Bis Support Summer TraineeF-Secure Corporation Jun 2001 - Sep 2001I worked as a summer trainee, whose work included e.g. the administration and maintenance of workstations, software and hardware installation and repair, problem solving, defect reporting, technical support and customer service. -
Trainer, Asst. Shift Manager, Salesperson, Customer Service, Chef, Logistics Etc.Mcdonalds Finland Nov 1999 - Jun 2001I worked as restaurant employee and trainer, whose work included e.g. working as chef, salesperson, customer service, logistics (cargo receipt), general cleaning of premises, equipment maintenance and continuous quality control. As a trainer I was responsible for new-comer introduction, assisting and support staff. I occasionally worked as assistant shift runner/restaurant manager. Methods and processes used FIFO, McOVO.
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Packing, Assembling, Manufacturing, Posting, Asst. Shift Manager, Cust. Service EtcNetiman Oy Jan 1998 - May 2000I worked in following tasks and roles: customer service, product assembling and manufacturing, mailing, packaging, IT support and as assistant shift manager.
Jussi Koljonen Skills
Frequently Asked Questions about Jussi Koljonen
What company does Jussi Koljonen work for?
Jussi Koljonen works for Maventa
What is Jussi Koljonen's role at the current company?
Jussi Koljonen's current role is Service Architect.
What is Jussi Koljonen's email address?
Jussi Koljonen's email address is ju****@****ail.com
What skills is Jussi Koljonen known for?
Jussi Koljonen has skills like Scrum, Agile Methodologies, Software Development, Testing, Linux, Xml, Test Automation, Test Driven Development, Ruby, C++, Windows, Web Services.
Who are Jussi Koljonen's colleagues?
Jussi Koljonen's colleagues are Tero Loimuneva.
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