Leszek Jaskierny

Leszek Jaskierny

Cracow Metropolitan Area
1 tys. obserwujących 500+ kontaktów

Informacje

Accomplished and certified by The Open Group Senior Solutions Architect, Leszek has extensive expertise across all phases of software development and delivery. Over his 20-year career, he has held significant positions including the Enterprise Architect of Open Banking / PSD2 across EMEA, Chief Architect of RTGS modernization at the National Bank of Poland, and Chief Architect of corporate banking application implementation for CSOB Bank. He also played a pivotal role as the Solution Architect of IVR systems for major brokerage houses in the USA, introducing the first system allowing voice-driven trading on the New York Stock Exchange.

Currently working for Euroclear/HCLtech, Leszek has previously contributed to DXC, HPE, HP, and Compaq. His main area of expertise lies in integration and front-end solutions for Financial Services Industry customers. Leszek is also a driving force in pioneering advancements in Microservices Architecture, actively contributing as a member of the Microservices Architecture Group at The Open Group. Additionally, he is deeply engaged in exploring the realms of IoT, enterprise-scale distributed transnational systems, and the automation of data transformations.

Aktywność

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Doświadczenie

  • Euroclear – grafika

    Euroclear

    Brussels Region, Belgium

  • -

    Brussels Region, Belgium

  • -

    Kraków Area, Poland

Licencje i certyfikaty

Publikacje

  • A Self-Adapting IoT Network Configuration Supported by Distributed Graph Transformations

    MDPI Applied Sciences Journal

    The research described in this article proposes the creation of a framework that enables the self-optimization of IoT device networks. The network of distributed IoT devices is visualized as a graph, and graph transformations are used to specify and optimize the network in response to events such as degraded performance, failures, or configuration changes. The article provides both formal definitions and a practical example of the proposed solution.

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  • Benefits of DevOps Methodology for Microservices Solutions

    The Open Group

    This White Paper describes the business and technology-related benefits realized by the combination of Microservices and DevOps. It builds on The Open Group White Paper: Microservices Architecture (MSA) and explores the scenarios where the use of DevOps in conjunction with MSA will significantly improve DevOps objectives. The focus is on the architectural aspects of DevOps, not on particular frameworks and products.

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  • REVIEW OF THE DATA MODELING STANDARDS AND DATA MODEL TRANSFORMATION TECHNIQUES

    Applied Computer Science

    Manual data transformations that result in high error rates are a big problem in complex integration and data warehouse projects, resulting in poor quality of data and delays in deployment to production. Automation of data transformations can be easily verified by humans; the ability to learn from past decisions allows the creation of metadata that can be leveraged in future mappings. Significant improvement of the quality of data transformations can be achieved, when at least one of the models…

    Manual data transformations that result in high error rates are a big problem in complex integration and data warehouse projects, resulting in poor quality of data and delays in deployment to production. Automation of data transformations can be easily verified by humans; the ability to learn from past decisions allows the creation of metadata that can be leveraged in future mappings. Significant improvement of the quality of data transformations can be achieved, when at least one of the models used in transformation is already analyzed and understood. Over recent decades, particular industries have defined data models that are widely adopted in commercial and open source solutions. Those models (often industry standards, accepted by ISO or other organizations) can be leveraged to increase reuse in integration projects resulting in a) lower project costs and b) faster delivery to production. The goal of this article is to provide a comprehensive review of the practical applications of standardization of data formats. Using use cases from the Financial Services Industry as examples, the author tries to identify the motivations and common elements of particular data formats, and how they can be leveraged in order to automate process of data transformations between the models.

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  • MICROSERVICES ARCHITECTURE FOR THE INTERNET OF THINGS (MSA-IOT)

    The Open Group

    In this Guide, we will explore the synergies between these two evolving solutions, and identify where MSA can be an optimal fit, and an enabler to, IoT solutions.

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  • SOA in Banking: A Review of Current Trends and Standards based on an Example of a Real-Life Integration Project Delivered to a Financial Services Customer

    servicetechmag.com/

    Abstract: The following article is based on the example of an actual banking project, delivered by HP Professional Services to a major European bank. A similar approach has been taken in other integration projects to extents, depending on the legacy constraints and requirements of the customer.

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  • TOGAF® Series Guide Microservices Architecture (MSA)

    The Open Group

    MSA is an architecture style that defines and creates systems through the use of small independent and self-contained services that align closely with business activities. An individual microservice is a service that is implemented with a single purpose, that is self-contained, and that is independent of other instances and services. Microservices are the primary Architecture Building Blocks (ABBs) of an MSA. As part of an Enterprise Architecture, MSA brings a layer of service capabilities to…

    MSA is an architecture style that defines and creates systems through the use of small independent and self-contained services that align closely with business activities. An individual microservice is a service that is implemented with a single purpose, that is self-contained, and that is independent of other instances and services. Microservices are the primary Architecture Building Blocks (ABBs) of an MSA. As part of an Enterprise Architecture, MSA brings a layer of service capabilities to extend the business capabilities of the enterprise and, where the enterprise is a small self-contained service, MSA may be perceived to be the Enterprise Architecture.

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Organizacje

  • BIAN

    Member

    – obecnie

    The Banking Industry Architecture Network e.V. (BIAN) is an independent, member owned, not-for-profit association to establish and promote a common architectural framework for enabling banking interoperability. It was established in 2008.

  • The Open Group

    The Open Group Certified Architect

    – obecnie

    The Open Group Certified Architect, member of Open CA certification board, member of SOA\Microservices working group

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