Jussi Koljonen

Jussi Koljonen Email and Phone Number

Service Architect @ Maventa
Finland
Jussi Koljonen's Location
Finland, Finland
Jussi Koljonen's Contact Details

Jussi Koljonen work email

Jussi Koljonen personal email

About Jussi Koljonen

Quality oriented software developer/-architect with passion for perfection

Jussi Koljonen's Current Company Details
Maventa

Maventa

View
Service Architect
Finland
Website:
maventa.com
Employees:
19
Jussi Koljonen Work Experience Details
  • Maventa
    Service Architect
    Maventa
    Finland
  • Openpeppol
    Poac Change Management Board Member
    Openpeppol Apr 2024 - Present
  • Visma
    Service Architect
    Visma Jan 2017 - Present
    Helsinki Area, Finland
    Maventa/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.
  • Autoinvoice/Maventa, Visma Solutions Oy
    System Architect
    Autoinvoice/Maventa, Visma Solutions Oy Feb 2015 - Jan 2017
    Helsinki, Finland
    Maventa/Visma AutoInvoice
  • Autoinvoice/Maventa, Visma Solutions Oy
    Lead Developer
    Autoinvoice/Maventa, Visma Solutions Oy Mar 2013 - Jan 2015
    Helsinki, Finland
    Maventa/Visma AutoInvoice
  • Visma
    System Developer
    Visma Oct 2011 - Dec 2013
    Helsinki, Uusimaa, Finland
    Maventa/Visma AutoInvoice
  • Maventa
    Lead Developer
    Maventa Mar 2013 - Jan 2014
    Helsinki, Finland
  • Maventa
    System Developer
    Maventa Oct 2011 - Mar 2013
    Helsinki, Finland
    Software 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
  • Teleca
    Specialist
    Teleca Jul 2010 - Oct 2011
    Software 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...
  • Nokia
    Consultant (Specialist)
    Nokia Apr 2004 - Oct 2011
    Finland
    External 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...
  • Tieto / R&D Support Services
    Senior Software Developer
    Tieto / R&D Support Services Nov 2009 - Jul 2010
    I 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
  • Tieto / Telecom & Media
    Senior Test Engineer, Software Developer
    Tieto / Telecom & Media Nov 2005 - Nov 2009
    I 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.
  • Elan It
    Test Engineer
    Elan It Apr 2004 - Nov 2005
    I 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.
  • F-Secure Corporation
    Quality Engineer
    F-Secure Corporation Feb 2002 - Dec 2003
    I 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.
  • Mediapuhelin Oy
    Sales Consultant
    Mediapuhelin Oy Sep 2001 - Feb 2002
    I worked as a sales consultant, whose work included e.g. customer service, support and sales of mobile phones, -accessories and -subscriptions (DNA Finland Oy)
  • F-Secure Corporation
    It/Bis Support Summer Trainee
    F-Secure Corporation Jun 2001 - Sep 2001
    I 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.
  • Mcdonalds Finland
    Trainer, Asst. Shift Manager, Salesperson, Customer Service, Chef, Logistics Etc.
    Mcdonalds Finland Nov 1999 - Jun 2001
    I 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.
  • Netiman Oy
    Packing, Assembling, Manufacturing, Posting, Asst. Shift Manager, Cust. Service Etc
    Netiman Oy Jan 1998 - May 2000
    I worked in following tasks and roles: customer service, product assembling and manufacturing, mailing, packaging, IT support and as assistant shift manager.

Jussi Koljonen Skills

Scrum Agile Methodologies Software Development Testing Linux Xml Test Automation Test Driven Development Ruby C++ Windows Web Services Software Engineering Javascript Qt Open Source Git Quality Assurance Teamwork Sql Certified Scrum Master Csm System Testing Tdd Bdd Php Vbscript Visual Basic C Eclipse Documentation Mysql Tcp/ip Html Css Subversion Xslt Soap Json Agile Pair Programming Extreme Programming Refactoring Pascal Mac Os X Http Xhtml Cvs Xsd Xsl

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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