Solution Architect / Developer

5/2017 – 7/2025

Projects: Custom In-House Frontend Framework (MVC and EDA based architecture); Telecom Client GUIs (ie. Belkin dashboard with multi-step drill-down navigation); flaghsip product GUI development (Axess); Customer Support Portal v. 2.0

Duties: Developed and co-designed a frontend framework from the ground up; Created scalable UI components following MVC and EDA principles; Ensured high performance and modularity through advanced class hierarchy; Delivered frontend solutions for telecom clients with strict UX and device constraints; Acted as Scrum Master and Product Owner for the customer support portal—gathered requirements, coordinated across teams, and defined delivery milestones; Worked with distributed, cross-functional teams (backend, UX/UI) across multiple time zones.

Tools & Technologies
- Frontend: EcmaScript6, Handlebars, SCSS, jQuery, Babel, Navigo, Highcharts and others
- Backend: Python, Redis, Mongo, MySQL, Kafka, Clickhouse, ElasticSearch
- Other: Unix/Linux, Docker, Kubernetess, Bamboo, Confluence, JIRA, Keycloak, nginx
- Architecture & Design: MVC pattern, Event-Driven Architecture (EDA), streaming, Rx, modular class hierarchies
- UI/UX: Responsive design, pixel-perfect implementation, GIS map integration

Project Roles: Architect, Developer, Product Owner, Scrum Master

Collaboration: Distributed teams, cross-functional coordination, Scrum, SAF, agile planning

Application Development, Enterprise Architect (EA), JavaScript, Product Owner, Python, Scrum-Master, Software Architecture, Typescript

5/2014 – 4/2017

* Worked in countries: Poland, Italy, Greece, UK, Germany, Denmark, Norway, Bosnia, Romania
* Projects:
- H3G (telco, Milan, Oracle WebCenter Portal)
- IDIKA e-Perscriptions (public, Athens, Oracle ADF)
- WorldPay (e-payments, Cambridge, Oracle Continuous Query Language and audit)
- New Look (fast-fashion, Stoke-on-Trent, Java audit)
- Bundesamt für Migration und Flüchtlinge (public, Nuremberg, Oracle SOA, Oracle ADF, Java)
- Maersk (logistics, Copenhagen, Oracle SOA migration), DNV GL (oil & gas, Oslo, Oracle JET, JavaScript, Oracle Integration Cloud)
- BCR (banking, Bucharest, Oracle ADF, Java)
- ISOK Qumak (public, Warsaw, Oracle ADF, Java)
* Technology Stack: Fusion Middleware tech stack (ADF, SOA, OSB, WebLogic, Coherence), Oracle Cloud PaaS and SaaS solutions (JET, JCS, JCSSX, Process Cloud Service, HCM Cloud, SOA Cloud), Oracle Big Data
* Internal assignments: Internet of Things, beacons, RFID, Ontology Web Language (OWL), RDF, Protege, GIS, Oracle Spatial

Architekturinformatik, Datenbankentwicklung, Forschung & Entwicklung, Internet of Things (IoT), J2EE, Java (allg.), Java SE, JavaScript, Json, Oracle Fusion Middleware, Serviceorientierte Architektur

10/2011 – 4/2014

Project: INSIS, Client: Groupama, Sector: insurance
Duties: Design, development and implementation of the internal system (INSIS) that supports car insurance sales process. Implementation in Oracle ADF 11g technology with Oracle Business Components as model layer. Developed products are deployed as plug-ins into INSIS application. J2EE code is supported with PL/SQL triggers, functions, procedures, etc.. Integration with several external systems (ie. SAP BCM). Oracle ADF 11g tech leader (four persons team).
Tools/Technologies/Methodologies: JEE, Application Development Framework 11g (ADF11g), Oracle Database, BI Publisher, JDeveloper, Subversion, Maven, jRuby, SAP BCM, Alfresco, PL/SQL, WebLogic, Scrum, UML

Oracle Fusion Middleware, J2EE, Serviceorientierte Architektur, SOAP, JavaScript, Weblogic (Oracle)