Ozan Günceler
Location: Istanbul, Turkey 34000
Phone: +90 -
Email:-
Profile
Seasoned Software Architect and Engineer with over 24 years of experience in software
development, system architecture, and project management. I possess extensive expertise
in Python, ETL processes, database design, and a variety of development tools, including
PaaS such as Microsoft Azure, Amazon Web Services (AWS) and programming languages
such as .NET Core, and JavaScript frameworks. My proven track record includes delivering
scalable, efficient solutions that drive operational excellence and foster innovation.
Known for combining deep technical knowledge with a keen understanding of business
needs, I excel at delivering bespoke solutions that consistently exceed client expectations.
My approach ensures that every project not only meets but often surpasses its goals. I am
adept at translating complex requirements into effective, user-friendly systems, making me
a valuable asset to any organization seeking to leverage technology for competitive
advantage.
Professional Experience
GONDER-AL Ödeme Hizmetleri A.Ş.
Product Owner
November 2023 – Present
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Acted as CTO, leading the technological strategy and innovation efforts across the
organization.
Conducted data structure analysis and database design to optimize data storage,
retrieval, and integrity.
Developed and implemented a compliance framework to ensure adherence to both
domestic and international regulations.
Oversaw infrastructure renovation and monitoring to maintain system robustness
and performance.
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Classified and secured sensitive information, ensuring data protection and privacy
across all platforms.
Designed and executed the Application Software Development Life Cycle (SDLC),
from planning to deployment.
Built and nurtured a high-performing team, fostering a collaborative and innovative
work environment.
Managed a team of 20 professionals, including DBAs, software developers, and sales
executives, ensuring alignment with business goals.
Directed the smooth operation of software systems across 1,000 branch offices,
ensuring business performance and continuity.
Analyzed new product features to ensure alignment with business goals and
customer needs, maintaining application KPIs for optimal performance and user
satisfaction.
Reckitt, Europe and Middle East
Finance Solutions (Solutions Contractor)
January 2003 – Present
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Enhanced European Finance Operations: Played a pivotal role in designing, building,
and supporting a wide array of applications, focusing on the procure-to-pay (P2P)
process and various critical business solutions.
Streamlined Operations: Contributed significantly to streamlining operations and
improving efficiency, supporting strategic business goals across 15 countries.
Robust Systems Development: Leveraged extensive expertise in database design
and web development to develop robust systems that seamlessly integrated with
existing ERP systems such as JDEdwards and SAP.
Automated Financial Processes: Implemented automation for the P2P process,
enhancing the accuracy of financial transactions and providing real-time visibility
into procurement activities.
Data Integrity and Consistency: Developed comprehensive reconciliation tools to
ensure data integrity and consistency across platforms, enabling more informed
decision-making.
User Support and Interface Design: Demonstrated commitment to user support by
creating intuitive interfaces and responsive systems, facilitating a user base of
approximately 5,000 employees.
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Cutting-Edge Technologies: Ensured that Reckitt's European markets were
equipped with cutting-edge technologies that optimized their procure-to-pay
processes and supported critical business functions.
Operational Excellence: Contributed significantly to overall operational excellence
by supporting critical business functions and ensuring seamless data flow between
systems
Rappi, Santiago De Chile
Software Architect (Contractor)
November 2022 – May 2023
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Led the technical strategy and development for integrating Rappi's systems with the
Chilean Tax Authority (SII), ensuring seamless connectivity and compliance.
Architected and implemented robust infrastructure solutions to support high
transaction volumes and ensure system reliability.
Designed and developed comprehensive software architecture to streamline
operations and enhance performance.
Created and maintained database frameworks to handle large-scale data efficiently,
ensuring data integrity and quick access.
Developed and implemented failover mechanisms to ensure uninterrupted service
and high availability of systems.
Established data retention policies to comply with legal and regulatory
requirements, ensuring secure and compliant data management.
Innovated reconciliation tools to guarantee data consistency and accuracy,
facilitating smooth monthly audits between Rappi and the Tax Authority.
Ensured compliance with domestic and international regulations, focusing on data
security and privacy.
Enhanced the speed and efficiency of document generation processes to handle
approximately 75,000 invoices daily, ensuring timely and accurate processing.
Played a pivotal role in Rappi's exposure in Latin America by successfully managing
the integration project, demonstrating expertise in working with government
agencies and large-scale systems.
Uber, Santiago De Chile
Software Architect (Contractor)
September 2019 – May 2020
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Directed the technical design and execution of integrating Uber's systems with the
Chilean Tax Authority (SII), ensuring seamless and efficient operations.
Spearheaded the development of a robust infrastructure to support the high volume
of daily transactions, ensuring system stability and performance.
Engineered comprehensive software solutions to streamline integration processes
and enhance system efficiency.
Designed and managed scalable database frameworks to handle large volumes of
data, ensuring data integrity and rapid access.
Implemented advanced failover strategies to guarantee continuous service
availability and minimize downtime.
Developed data retention policies in compliance with legal and regulatory
standards, ensuring secure and compliant data management.
Created innovative reconciliation tools to ensure data accuracy and consistency,
facilitating seamless monthly audits between Uber and the Tax Authority.
Ensured adherence to compliance regulations, focusing on data security and privacy
to protect sensitive information.
Optimized the speed and accuracy of document processing to manage
approximately 150,000 invoices daily, ensuring timely and precise handling.
Designed and implemented a system and application architecture capable of
handling 75,000-100,000 transactions per day, showcasing expertise in highvolume transaction management.
AKBANK, Istanbul
Enterprise Architecture Project Consultant
August 2017 – March 2018
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Designed and Documented Enterprise-Level Architecture: Created comprehensive
architectural designs and documentation to streamline core banking systems.
Refactored Codebases: Continuously improved and optimized existing codebases to
enhance system performance and maintainability.
Trained Personnel: Conducted training sessions for line-of-business developers to
ensure they followed best practices and utilized the new framework effectively.
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Core Banking Systems Framework Creation: Developed a robust framework for core
banking applications, ensuring seamless operations across various banking services.
Compliance Framework: Established and enforced compliance frameworks to
adhere to both domestic and international banking regulations.
Infrastructure Renovation and Monitoring: Led initiatives to renovate and monitor
IT infrastructure, ensuring it supported high availability and resilience.
Sensitive Information Classification and Security: Implemented data classification
and security measures to protect sensitive information within the banking
ecosystem.
Application SDLC Design and Execution: Designed and managed the Software
Development Life Cycle (SDLC) for core banking applications, ensuring efficient and
error-free deployments.
Teambuilding and Leadership: Built and led a high-performing team, fostering
collaboration and innovation to meet business objectives.
Managed Large Teams and Operations: Oversaw a team of 20 professionals,
including DBAs, software developers, and sales executives, and ensured the smooth
operation of 705 branches and 5,854 ATMs, contributing to the bank’s business
performance and continuity
BSM Consultancy Limited, Istanbul
Owner, Chief Software Architect
January 2000 – Present
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Led the design and implementation of scalable, efficient systems across various
industries.
Specialized in .NET Framework, SQL Databases, Python, ETL processes, and
database design.
Developed robust back-end and full-stack web applications using REST APIs and
JavaScript frameworks.
Applied computer vision technologies to solve complex problems and enhance
application capabilities.
Established BSM Consultancy Limited as a trusted partner for technological
solutions globally.
Bilge Adam Yazılım Ve Teknoloji A.Ş., Istanbul
Analyst Developer
January 2006 – June 2007
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Developed a pioneering Courier Management Application, the first 64-bit
architecture application using .NET Framework and SQL Server in Turkey.
Designed UI/UX, implemented barcode scanning functionality, created delivery
aging reports, and developed a mobile application for Blackberry devices.
Komsis Elektronik Sistemleri, Istanbul
R&D Specialist
August 2004 – March 2006
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Developed applications for RF Equipment, FCT Machines, GSM Gateways, and
navigation map applications.
Specialized in embedded applications targeting PIC microcontrollers, Telit GSM
Engines, and ARM-based Windows CE devices.
Education
Master of Science: Management Information Systems
Yeditepe University, Istanbul
Bachelor of Science: Economics
Yeditepe University, Istanbul
Skills
Python
Extract, Transform, Load (ETL)
Database Design
Scalability
Client Requirements
Microsoft Azure
Amazon Web Services (AWS)
Framework Design
Back-End Web Development
Full-Stack Development
REST APIs
JavaScript Frameworks
.NET Core
Computer Vision
Software Architecture
Project Management
SQL Server
ASP.NET
PowerShell
Linux
