Ömür Şentürk | Experienced Domain Architect & Product Owner & Business Analyst | Expert in Strategic Integrations & Digital Transformation
Summary
Experienced Domain Architect, Product Owner and Business Analyst with around 15 years of experience driving strategic digital transformations and complex integrations in Telecom, E-Commerce and Banking industries. I architected an enterprise-scale data model for a cloud-based iPaaS solution. I successfully led a CRM migration project, including a rollout phase that dealt with 25 million customers with zero downtime. I created entire backlogs from scratch, managed priorities and dependencies for e-commerce re-platforming projects. I am highly skilled in leveraging TMFroum and BIAN frameworks, UML syntax for technical documentation, stakeholder management, domain design and data modeling, API documentation, Python scripting for automation, and agile methodologies.
Experience
Sr. Domain Architect | Odido, Den Haag, Netherlands (2025 September - ...)
Working within large initiatives / projects within Odido that requires overarching architecting across multiple domains and applications and worked on Simpel (subbrand of Odido) IT Delivery Team within Mass Market domain. Some of my duties and accomplishments are as follows:
- Serve as strategic advisor to business stakeholders on new IT initiatives, shaping investment decisions before they reach delivery.
- Set architectural direction for cross-domain initiatives. I translate business goals into high-level solution designs and align implementation teams on low-level designs, so customer and user journeys work end to end.
- Balance run and change demands to protect product vision and delivery priorities.
- Created the target-state application and integration architecture for Odido and Simpel (integration and sequence views of key processes), including hybrid (cloud and on-prem) integration patterns co-defined with cloud and security architects: API-led REST via API gateways, event-driven messaging, batch / file transfer and webhooks / async callbacks. This gives teams a shared picture of a complex landscape and a standard pattern per integration use case.
- Co-designed the target network and security architecture with cloud and security architects: security requirements, subnet and gateway design, and mTLS between internal and external systems. This enabled 2 new external integrations: one with a SaaS platform and one with Azure Service Bus in an external party's private Azure subnet.
- Apply TMForum Open APIs as the standards-based foundation for new implementations.
Associate Domain Architect & Enterprise Business Analyst | Backbase, Amsterdam, Netherlands (2024 May - 2025 August)
Worked on internally built productized cloud based (Azure) iPaaS Solution, Grand Central with duties of an Enterprise Business Analyst / Jr. Domain Architect in the banking industry. Some accomplishments and details of my duties:
- Defined the organization-wide data model and event specifications for productized OOTB integrations. 20+ connectors were built on it, improving better developer experience for new API implementations and increasing commercial value of Grand Central.
- Drove BIAN framework adoption across Product Management, Architecture, Engineering and Analysis, equipping teams to scope features and design APIs consistently.
- Aligned the Unified Rest API Specs with BIAN Framework for Deposit, Loan, Cards, Payments, Party, Party Lifecycle, Fraud and Open Banking / PSD2 domains, therefore paving the path to become BIAN compliant.
- Worked with clients / FinTechs to create OOTB connectors on iPaaS that aligns with product vision of Backbase and BIAN framework, identified gaps, supported solution engagements with the development teams, ultimately creating seamless connectivity solutions with each fintech / client.
- Trusted as the only Business Analyst in the architecture group to propose solutions for organization-wide integration problems between Engagement Banking Platform and iPaaS Platform.
- Created supporting UML Sequence diagrams and integration architecture and high level (logical) designs for new integrations that aligns with TOGAF framework. Gathered requirements, created user journey documentations, analyzed and consolidated with multiple stakeholders as the business analyst of Open Banking / PSD2 Berlin Group team, therefore unlocking the capabilities of Consent Management, AIS / PIS journeys.
- Prototyped LLM-based market-analysis workflows (Python, n8n, Supabase, GitHub Actions) to strengthen Grand Central's market readiness.
Business Analyst & Product Owner | rb2, Purmerend, Netherlands (2022 August - 2024 April)
Served dual roles as client facing Business Analyst and Product Owner internally in the e-commerce industry. Some accomplishments and details of my duties:
- Led two comprehensive web shop re-platforming initiatives end to end: defined MVP scopes, shaped product strategy with clients, and facilitated story mapping sessions.
- Built entire backlogs from scratch, coached client Product Owner on prioritization, while managing cross-stakeholder dependencies.
- Used Python and Google Analytics event data to find lost-sale patterns and surface inconsistencies nobody had flagged.
- Followed MACH architecture (microservices, api-first, cloud-native and headless) principles at all times.
Tech. Business Analyst | G-Star, Amsterdam, Netherlands (2022 March - 2022 July)
Partnered with internal Product Owners to gather requirements and develop high-level solution documents tailored for the e-commerce industry.
Domain Architect & Product Owner (Dual Roles) | Turkcell, Istanbul, Turkey (2012 August – 2022 February)
Worked in almost every role in modern SDLC processes: Business Analyst, Product Owner, Software Developer, and Domain Architect in telecommunications industry. Some accomplishments and details of my duties:
- Architected and managed the implementation of a comprehensive CRM database within the CRM renovation project. Became the data model owner of CRM afterward.
- Designed and carried out a successful migration of 25 million customers. Owned and managed the entire rollout plan that caused zero (0 minutes to be precise) downtime. The migration project team later got rewarded by the CEO for the quality of the work and smooth transition from legacy CRM to new internally built CRM system.
- Worked as the Domain Architect / a Sr. Business Analyst on an internally built CRM application that was used by 500+ employees and integrates with pretty much every application in a Telco company -ERP, Billing, Charging, Order Management, Product Catalogue, Campaign Management to name a few. Made sure every integration and project follows the product vision of our CRM system by signing off on technical designs.
- Worked as the Product Owner of a team of 14 that builds solutions on a number core capabilities of CRM domain: Order Fulfillment, Billing integrations, New Acquisitions, Suspend & Resume, Blacklisting, Cancellation, Charging integrations, Product Move, Product Take Over and Scheduled / Bulk Operations, therefore playing a pivotal role in the capability management of the entire unit which made resource planning and roadmapping of the utmost importance.
- Worked as a Product Owner inside a team of Product Owners to manage and prioritize all of the backlogs of teams inside the unit (+80 FTEs, 9 teams).
- Worked also as a Software Developer on Oracle BPEL business process management and order management platform. Analyzed and implemented (developed), deployed and did the production support of BPMN workflows with synchronous, asynchronous and scheduled integration models.
- First business analyst in the unit to write and deploy production Java/BPEL code. I bridged business and engineering, and others followed.
Jr. Test Engineer | Ericsson, Istanbul, Turkey (2009 January – 2011 December)
Developed and executed manual test scenarios for product releases, maintaining close collaboration with developers, business analysts, sales, marketing and other key stakeholders.
Education
Galatasaray University – Engineering Management, Master of Science, 2017, Istanbul Turkey
University of Southern Denmark – Manufacturing and Engineering, Erasmus, 2010, Odense, Denmark
Yildiz Technical University – Industrial Engineering, Bachelor of Engineering 2010, Istanbul Turkey
Skills & Experience
Domain Architecture | Digital Transformation | Stakeholder Engagement | Product Ownership | Roadmap & Backlog Management | Business Analysis | Agile Methodologies | Project Management | System Integration Design | Integration Solutions | Hybrid Cloud Integration Architecture | API Gateway | Webhooks | BIAN Framework | TM Forum Framework | Event Based Systems | REST, SOAP, GraphQL, gRPC | Message broker & Message Bus | OAuth2 | JWT | mTLS | Security Requirements | Network Segmentation (Subnets & Gateways) | Order Orchestration | Architecture Documentation | UML Sequence Diagrams | PlantUML | Data Flow & Activity Diagrams | Core Banking & Payments & Accounts & Transactions | Open Banking, PSD2, Berlin Group | CRM & ERP Systems | Salesforce CRM | Netcracker Order Management | E-Commerce | Commerce engines | Product Information Management | Product Master Data | Python | SQL (PL-SQL, T-SQL) & RDBM | Java | BPMN, XSLT & Process Automation | n8n | Data Analysis & Visualization
Languages
English: Fluent
Turkish: Native
Dutch: Beginner (A2)