
Dimitris Tsilis
Senior Business Analyst | Core Banking
Salary / Daily rate
Zürich, Switzerland
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Senior Business Analyst with 17+ years in banking & fintech, specializing in core banking implementations and requirements engineering. Led successful projects for major banks including NBG, AIB, and Rabobank, delivering CRM redesigns and payment systems. Expert in SDLC, UAT coordination, and stakeholder management with proven track record in complex financial system migrations.
Work experience
Business Analyst
Avaloq
Feb 2021 - Present
5 years 9 months
Zürich, Switzerland
Senior Business Analyst
ARHS Developments Hellas
Sep 2019 - Mar 2021
1 year 7 months
Greece, NY 14626, USA
Senior Business Analyst for National Bank of Greece projects Achievements: - CRM redesign: Upgrade internal system to new version of Angular 8 o Working with UML to deliver use case diagrams, state diagrams and activity diagrams o Prepare BRDs and FSDs o Prepare test scenarios and work on test automation (Gherkin format) o Perform manual testing and deliver progress reports to the client - CMS Acquiring (Debit and credit cards from Visa and Mastercard) o Migration of data from the old system to openway’s, Way4 card management system. o Mapping of old suspense accounts to the new system accounts. o Prepare daily exception report for the unmatched transactions and resolve system issues identified. Tools Used: Microsoft Visual Studio, MyNBG (CRM of the Bank), Microsoft Teams, Lucidchart.
Product Owner of AroTRON collection and recoveries software.
Relational SA
Oct 2017 - Aug 2019
1 year 11 months
Athens, Greece
Product Owner of AroTRON collection and recoveries software. Achievements: - Implement AroTRON collection and recoveries for B2K financial Institution for their subsidiaries in Europe o Working methodically on an SDLC framework, taking on project management activities and business analysis. o Analyzing needs and solutions and managing the product backlog, devising strategies, facilitating stakeholder collaboration, and ensuring milestones are achieved as per the defined timelines. Liable to ensure that business stakeholders understood the requirements and necessary functionalities were built to support stakeholder’s engagement with the system. With the project’s successful implementation, we were able to provide a consolidated and flexible back-end system, which met the initial needs of our clients. o Evaluating product progress at each iteration and prioritize needs. o Participate in requirements gathering and documentation preparation BRDs/FSDs. o Parameterization of the system and preparation of testing plans (Prepare use cases that describe user interactions with the software). Tools Used: Jira ticketing system, Slack, Microsoft SQL, AroTRON collection and recoveries.
Senior Business Analyst
Profile Software
Mar 2016 - Oct 2017
1 year 8 months
Athens, Greece
Acting as a Senior IT functional consultant in various projects like - P2P lending platform implementation - Mobile Bank implementation (Customer onboarding, Customer accounts, Payments) • Gather requirements and prepare BRDs/FSDs. • Identify and analyze Gaps and provide solutions. • System parameterization as per requirements and functionality requested. • Prepare UAT scenarios and coordinate and lead UAT tests, including internal quality assurance testing. • Prepare weekly progress report and follow up on project timings and deliverables.
Senior Business System Analyst
Oracle Financial Services
Nov 2007 - Mar 2016
8 years 5 months
Implementations of the Flexcube core banking platform: o Communicate effectively with clients and participate in meetings to identify business needs, compose specifications documents, for the definition of business requirements & technical specifications while considering existing solutions, designs, architectural and organizational constraints. o System parameterization, define test conditions & develop accurate and complete test plans, produce training materials, manuals and support the training team. o Working on different areas and modules, handling Reporting requirements, Retail Teller module, Consumer Lending, International and domestic Payments, Current and Savings accounts, FX, MM. o SPC - Single Person of Contact on daily monitoring of production issues, post-live maintenance and users support. Prepare release documentation for issues fixing, participate in weekly meetings to follow up the progress of production issues. Perform data analytics, reporting and data reconciliation (GLs and account balances). Projects worked - AIB – Allied Irish Bank, Dublin (Retail Lending – Arrears project Implementation). - Rabobank, Netherlands (Financial Reporting, Responsible for the requirements gathering and analysis of report solution). - BdB - Banco do Brasil. Implementing Flexcube in its European Branches –Portugal, Spain and Italy (CASA, Retail Teller, Retail Lending, Debt Finance, FX, MM). - BKT – Banka Kombetare Tregtare – Albania (FLEXCUBE Core banking Implementation for Retail Lending, Debt finance, Retail Teller). - Alpha Bank Greece (Functional Team Leader for the Production Support, Issues Administrator). - Alpha Bank Romania (CASA, Retail Teller). - Eurobank Greece (Production Support. Issues Administrator (JIRA)).
Business consultant
Citibank
Jan 2007 - Oct 2007
10 months
Achievements: - Implementation of Flexcube core banking solution. o Manage functional specifications. Liaise with all department teams in order to identify areas requiring further development and customization. o Training of users, assistance in system testing, participation in system rollout and post-live maintenance and support. o Financial reporting and reconciliation (e.g. dealing with the rejected and unmapped accounts to reconcile the books of the Bank.) Tools Used: Flexcube (Core Banking), Microsoft Office (outlook, access, excel)
CONSULTANT
AMRO Bank
Apr 2006 - Oct 2006
7 months
Group Due Diligence Management Risk Re-Assessment Team (project). Specialized reviewer for Corporate, Shipping clients and Financial Institutions. Risk Assessing the Bank's clients according to EU's standards and in order to comply with the Global ABN AMRO's requirements of "Knowing Your Client" policy.
Team Leader
Athens 2004 Organizing Olympic Committee
Aug 2004 - Oct 2004
3 months
Trained and coordinated volunteers
Education
University of Westminster
MSc
2004 - 2005
1 year 1 month
Deree College of The American College of
Bachelor of Science
1998 - 2003
5 years 1 month