LEONIDAS FENGOS

LEONIDAS FENGOS

LEONIDAS FENGOS

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Experience & Skills

Finance Services
Finance IT Data

Earned Badges

Current

  • Now 01/2022

    Financial & Business Analyst – Freelance | Systems-Oriented | MBA (in progress)

    Freelance / Contract / Self-Employed
    Providing analytical and systems-aware support to businesses, with a focus on financial and business insight, decision support, and structured analysis. Collaborate with organizations to interpret financial and operational data, support strategic decision-making, and bridge business understanding with data-driven solutions. Freelance projects involve exposure to finance environments, including Banking, Insurance, and Investment contexts, while leveraging systems and analytical tools to enhance clarity, reporting, and operational insight.
  • Now 03/2024

    Senior Software Engineer

    Wheels Car Rental System

Previous (9 years in banking, navigating Greece’s economic crisis)

  • 02/2024 09/2022

    (Outsource) Senior Software Engineer

    Alpha Bank Group (Greece)

    Outsource operations via Intrust S.A. ithin the ALPHA Bank (Systemic Bank) (Business and IT).

    ➦ Develop and maintain new features for Alpha Bank (internal software)
    ➦ Monitoring and supporting various big projects which belong to the following sectors: investment, governance and IT.
    ➦ Collaborate through interior projects monitoring software with all the above sectors and provide efficient advice and solutions.

  • 8/2022 11/2019

    (Outsource) Data Services Manager

    Cepal Hellas Financial Services S.A.

    Outsource operations via Omniworks within the Cepal SA (Fund for NPL/Financial Services).

    ➦ Writing documentation for IT department with technical information and a sum up of business specs.
    ➦ Working in Agile metholody and collaborate with colleagues and with different departments.
    ➦ Maintaining and implementing automatic jobs processing (ETL) SSIS (Visual Studio 2019), using JSON technology.
    ➦ Maintaining, coding and developing in Visual Studio 2019 and part for team implementing, REST-WebAPIs’ projects & MVC projects using and maintenance microservices architect applications.

  • 10/2019 4/2019

    Senior Software Engineer

    MOTIVIAN SA, ATHENS, GREECE

    ➦ Carrying out various projects based on the client's.
    ➦ Analyzing the business and collaborating with the Developers' team and QA's team for completion.
    ➥ Exploring and processing each project and collaborating with the team to ensure its efficiency, using and maintenance microservices architect applications.

  • 4/2019 2014

    Application Services Manager

    PIRAEUS AGENCY SOLUTIONS

    Working in the Piraeus Bank (Systemic Bank/Financial Institution)

    IT on Bancassurance Software (IBS, ERGO Sales Tool, and Insurance Products of Winbank) and handling the following issues:

    ➦ Cooperating with the ERGO team in Greece and Poland to deliver a Bancassurance Software System.
    ➦ Working in Agile metholody and collaborate with colleagues and with different departments.
    ➦ Ensuring the proper decision making to achieve the best performance of the code.
    ➦ The ability to display flexibility and corporate effectively with the various departments within the Bank as well as with external clients to deliver on time various projects.
    ➦ Implementing coding for the transactions (payment and updating the information to the PB system) of the Piraeus Bank system through the Insurance Brokerage System (IBS) of the Bank.

Past

  • 01/2016 06/2015

    Developer Consultant

    INTELLISOLUTIONS, ATHENS, GREECE

    Responsible for validation documents for fraud on software. Carrying out engineering tasks regarding the auditee and the reliability of the platform.

  • 05/2014 08/2013

    Report Developer

    NIELSEN

    Responsible for delivering reports which focused on selling in retail according to the client’s needs (Mars Inc Europe).

  • 07/2013 08/2011

    Software Engineer

    Private Sector

    Worked in various projects with different technologies and learnt new tools as a way of solving problems (airplanes schedule business, organizational structure). During this period, work involved various projects using different technologies.
    ➦ Use of the following technologies:⚡ Delphi 6,⚡ Web development in ASP.NET with C# code and .NET 3.5, ⚡ Using and writing queries in SQL Server and MySQL,⚡ Writing code in WPF and WebForms and Windows Forms.

  • 07/2011 03/2011

    Software Engineer

    LOGiN Ltd

    ➦ Carrying out administrative reports on the project of Panathinaikos B.C.
    ➦ Using the technology of SSRS 2008 (SQL Server Reporting Services) build for MS Dynamics CRM
    2011 platform.
    ➦ Use of the following technologies:⚡ Build reports in SSRS using Visual Studio 2010,⚡ Learning and using Microsoft Dynamics CRM 4.0 platform.

  • 10/2010 08/2009

    Military Reserved First Lieutenant

    Hellenic Army / Military School

    Engineering School - Research & Computer Science
    ➦ Τechnical support for PCs' daily in the maintenance (fixing issues in software and hardware in PC over infrastructure level)

  • 05/2009 05/2009

    Software Engineer Intern

    Forecast - Market Research and Management Consultant

    Responsible for fixing personal computers at office and manuals prepare the various for processes in the IT department.

  • 10/2008 04/2008

    Informatics Engineer Apprenticeship

    University of West Attica

    Activities and societies: ➦ Make a research over the network of the Dep. of Informatics about a better achieving QoS over the network.
    ➦ Create a manual with LaTeX writing it in script language, debugging and compiling it in Linux environment (Slackware). At the end it was exported in PDF and delivered at the end of apprentice.

Selected Case: KPI & Business Performance Analysis

Objective
To support management decision-making by analysing key financial and operational indicators and assessing overall business performance within a financial services environment.

Scope
The analysis focused on financial efficiency, cost behaviour, and reporting effectiveness, utilising structured performance indicators.

Key Performance Indicators (KPIs)

  • Revenue trend over time
  • Operating expenses and cost behaviour
  • Operating margin
  • Cost-to-income ratio
  • Timeliness and accuracy of financial reporting

Methodology
Data was collected from structured sources and financial records, then cleaned and organised for analysis. KPIs were calculated and compared across reporting periods to identify trends, deviations, and potential risk areas. Results were summarized in management-oriented reports to support clarity and informed decision-making.

Outcome
The analysis highlighted areas of increasing operational costs and opportunities for improved efficiency, supporting management in strengthening performance monitoring and decision-making.

Business Analysis Tools

Office 365 & 2019

95%

SSIS

95%

SSRS

95%

SQL Command & Statements

90%

VISUAL STUDIO 2026 and below

95%

.NET FRAMEWORK 4.8 and below

95%

Notepad++

95%

Soap UI

95%

Postman

95%

Supporting Tools

Excel & Access

95%

XML

95%

JSON

95%

C#

95%

JAVASCRIPT

90%

HTML5

90%