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Kostas MexiasKM

Kostas Mexias

DB / MS Access / VBA / Reporting developer/analyst

€125/day
Athens, GR
15+ years

Average response time: 1 hour

About Kostas

Hello, this is Kostas.

✔️"I'm not sure I've worked with a more skillful and effective freelancer. Kostas was simply amazing, and his skill level is perhaps the highest I have seen in the database space. A phenomenal freelancer and earns my highest recommendation." Paul Cracknel - OSR Enterprises
✔️"Kostas is a fantastic database developer. He created a user-friendly and efficient Access database for our QA testing lab. He was very responsive, knowledgeable, and professional. I would definitely hire him again for any database project." Justin Holcombe (October 2023)
✔️"Kostas was great and super efficient. He delivered a high-quality database that met all our requirements. He was also very helpful and supportive throughout the project. Kostas is one of the best freelancers." Nevastar Finance (Switzerland) S.A. - April 2023

✔️ I am a professional developer, with a University degree in Computer science.
✔️ I always respond timely to your messages
✔️ I can complete tasks on a tight deadline. I will work on your project as needed
✔️ I am trustworthy, and value long-term relationships with my clients
✔️ I understand the human element, focus on communication and understanding requirements
✔️ You will receive a solution that has been tested thoroughly, from an end users perspective.
✔️ I understand business and that you need added value. I always deliver more than expected.
✔️ I have the skills, knowledge and experience to plan details and avoid common mistakes.

Who I am:
★ I have a University Bachelor's degree in computer science and database design.
★ I have worked with complex Microsoft Access and VBA applications for more than 25 years
★ I have used extensively almost all MS ecosystem, Excel, Access, VBA, PowerApps, Azure
★ I have worked at Oracle financial services, IRI (Information Resources International) and other big companies for more than 15 years.

I am available to start working right away.
If you're interested in working with me, please send me a message.
  • English

    Native or bilingual

  • Greek

    Native or bilingual

Can work on-site
Athens (up to 50km), Corinth (up to 50km)

Experience

  • OPAP S.A
    IT Technical / Business Analyst
    January 2015 - Today (11 years and 5 months)
    www.opap.gr
    • IT Technical Process analyst for VLTs (Video Lottery Terminals) project
    • Responsible for OS/games distribution (~20.000 VLTs across 660 venues in Greece )
    • Software/Technical support for VLT technicians / operators / OPAP employees
    • VLT Software testing using tools such as HP ALM, TestRail and JIRA.
    • Business process analysis for Jackpot project development, QA testing and roll out to venues
  • Club hotel Casino Loutraki
    Database / .NET developer
    January 2009 - January 2015 (6 years)
    www.chcl.gr
    • Hands on experience with IGT software (Galaxis) and underlying SQL/Oracle databases
    • Application development (.NET,C#, Android, Oracle Forms Designer)
    • Reporting development (MS SQL Reporting Services, Business Objects, BI, C# Frontends)
    • Database programming and design (Oracle PL/SQL, MS SQL Server, MySQL)
    • Design & implementation of the cashless accounts for casino members
    • Cooperation with IGT (Spielo) and other major companies of the gambling sector.
    • Deployment, configuration and support of all Casino slots machines systems.
  • Oracle
    IT Technical Analyst – Financial Reporting
    January 2007 - January 2009 (2 years)
    Oracle Financial Services https://www.oracle.com/industries/financial-services/banking/
    • Central (National) Bank reporting design and development for Alpha Bank Balkans.
    • Reports development for various bank sectors (Retail, Treasury, Money Market, Loans/Deposits)
    • Reports development and consulting for Alpha bank Bulgaria, Romania, Serbia, Skopje.
    • Application and Database programming (Java, PL/SQL, Oracle Forms Designer)
    • Functional consultant for FLEXCUBE (Banking Software)
    • 3-month seminars in Banking related procedures (Oracle Training Center, Bangalore, India)

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Education

  • Bachelor of Science
    University of Salford
    2001
    Bachelor of Science (Computer Science)
  • Computer Applications Specialist
    PUBLIC TRAINING INSTITUTE (IEK)
    1998
    Computer Applications Specialist

Skill set

Categories