Experience

Navitasoft Magyarország

• Hungary
• IT Services and IT Consulting
• 1 - 100 Employee

• • Jan 2022 - Present

  ○ Architect of the commercial services platform of the AmberGrid ‣ Planning, scheduling and coordinating the development among 4 teams from the technical side ‣ Implementing the key parts of both the business and technical requirements ‣ Managing the releases of the product ○ Architect of the Balancing Market & Ancillary Services System and Settlement System for Ukrenergo ‣ Designing and implementing a new frontend frame component Angular7, Angular Material, SCSS, Typescript (ES6) ‣ Maintaining the system within the 5-year support period ‣ Coordinating and helping the go-live process of the new change requests○ Architect of the Esfteed Datahub project of Elering AS ‣ Devising and implementing the delivery flow from Navitasoft to Elering AS ‣ Creating sample, initial frame applications for the development teams ‣ Reviewing the code base continuously for high quality ‣ Helping the development teams in understanding and implementing the technical requirements○ Close cooperation with the DevOps team○ Member of Architect and TechLead Board: introducing company-wide development processes for higher productivity while observing how the development teams work ○ Continuous efficient contribution of solving complex problems at the company○ Technologies: Spring Boot (Core, MVC, AOP, JPA), Hibernate, Spring Cloud (OpenFeign, Ribbon/LoadBalancer, Kubernetes, Zookeeper, Stream, Sleuth), Oracle, MySQL, SQL Server, PostgreSQL, Kafka, ActiveMQ Artemis, Hazelcast, Caffeine, Infinispan, Angular/AngularJS, InfluxDB, Kubernetes, Keycloak (OAuth2, OpenID) Show less

• • Sep 2018 - Present

  ○ Architecting and managing a greenfield, level 3 security, health system supported by the Hungarian State ‣ Integrating with EESZT (National eHealth Infrastructure) and KAÜ systems ‣ Cooperating other suppliers of the projects ‣ Discussing requirement details with the client○ Architect of the Common Zone Platform of Latvian natural gas transmission system operator JSC Conexus Baltic Grid their Estonian counterpart Elering AS ‣ Understanding the business requirements and designing the platform ‣ Introducing Spring Integration to fulfil business requirements ‣ Following up the production environment to discover performance bottlenecks and then advising and implementing solutions for this issues ‣ Technologies: Spring Boot (Core, MVC, AOP, JPA), Hibernate, Spring Integration, MySQL, ActiveMQ, Angular, Keycloak (OAuth2, OpenID)○ Architecting the AS4 product of the Navitasoft ‣ Coordinating the deployment to the new clients ‣ Continuous improvement of the product ‣ Technologies: Spring Boot (Core, MVC, AOP), Spring Cloud (OpenFeign, Ribbon/LoadBalancer, Kubernetes, Zookeeper, Stream), Oracle, MySQL, PostgreSQL, SQL Server, ActiveMQ Artemis, Angular/AngularJS, Kubernetes ○ Reducing costs by introducing new development processes○ Desiging CI/CD flows and leading its implementation○ Helping developers in solving complex problems Show less

• • Sep 2018 - Present

  ○ Leading a team of 6-10 engineers ‣ Helping team members in their evolutions and checking their progresses continuously ‣ Coordinating the development according to the priorities ‣ Holding one-on-one meetings regularly○ Organising team events at regular basis ○ Reporting the team performance for the management○ Continuous proposal about processes to be enhanced within the company

• • Jan 2018 - Aug 2018

  ○ Developing the TSO-IP application for the Ukrainian gas market containing more than 300 data tables○ Supporting the FGSZ-IP commercial and its relational products functioning in Hungarian gas market○ Planning and preparing the frontend module of Ukrenergo project supported by The World Bank○ Creating a Java SDK for the EESZT (National eHealth Infrastructure) system which makes the integration with its SOAP based service easier (it is used in at least 8 products)○ Replacing the frontend layer and improving the usability of AS4 product Show less



Zenit Systems Kft.

• CEO, Architect

  • Oct 2021 - Present

  ○ Mining and Geological Survey of Hungary Delivering of a new infrastructure for running business applications: ‣ Planning the infrastructure at the physical level, network level as well as virtualisation ‣ Installing VMs (~ 70) on vCenter managed ESXi hypervisor (Terraform ESXi, vCenter) ‣ Intalled and configured products with Ansible in three environments: Gitea, Jenkins, Elasticsearch, Logstash, Kibana, Prometheus, Grafana, Nexus, MySQL ‣ Helping companies in integrating their business applications to this ecosystem with creating sample Helm deployment charts ○ VIKI (Railway Administration Central Information System) - National Transport Authority ‣ Developing Spring-based Java micro service backend system, integrated with Camunda BMPN process orchestrator ‣ Clarifying the requirements and planning the BMPN processes based on business specifications ‣ Implementing Camunda tasks in backend applications ‣ integration with National Software Systems (Poszeidon, KAÜ) ○ Warehouse logistic application development - OTTO.de ‣ Taking part in developing of a new warehouse logistic software for claim management ‣ NestJS backend development , PostgreSQL, Hexagon architecture ‣ Google Cloud Integration (PubSub, Cloud SQL, Cloud Run, IAM), managed with Terraform ○ Rollet.com - seamless drive-through parking system ‣ Taking part in developing of new features ‣ Python Django backend development , MySQL ‣ AWS integration, managed with Terraform Show less



Vulgo Systems Kft.

• Hungary
• IT Services and IT Consulting
• 1 - 100 Employee

• Chief Technology Officer

  • Sep 2017 - Present

  ○ AIP (Artificial Intelligence Platform) ‣ Taking part in developing both the frontend and backend side of the AIP Software product (ALiZ) ‣ Running in Google Cloud Platform (PubSub, Cloud SQL, BigQuery, Cloud Run, Identity-Aware Proxy, IAM, S3), managed with Terraform ‣ Developing small Python applications (Flask) ○ Self service platform ‣ Designing and developing self service for the Hungarian market, including mobil app based on Nativescript and backend system ○ AIP (Artificial Intelligence Platform) ‣ Taking part in developing both the frontend and backend side of the AIP Software product (ALiZ) ‣ Running in Google Cloud Platform (PubSub, Cloud SQL, BigQuery, Cloud Run, Identity-Aware Proxy, IAM, S3), managed with Terraform ‣ Developing small Python applications (Flask) ○ Self service platform ‣ Designing and developing self service for the Hungarian market, including mobil app based on Nativescript and backend system



Silurus Software Ltd.

• Hungary
• IT Services and IT Consulting
• 1 - 100 Employee

• Lead Software Engineer

  • May 2017 - Aug 2017

  ○ ETRM-IP product - Navitasoft Zrt. ‣ Leading a team of 6 engineers ‣ Taking part in deliverying new features ‣ Coordinating the development ‣ Technologies: Spring Core, MVC, Data, Hibernate, AngularJS, Angular, Oracle ‣ Clarifying requirement details with the client ○ ETRM-IP product - Navitasoft Zrt. ‣ Leading a team of 6 engineers ‣ Taking part in deliverying new features ‣ Coordinating the development ‣ Technologies: Spring Core, MVC, Data, Hibernate, AngularJS, Angular, Oracle ‣ Clarifying requirement details with the client



ISRV Zrt.

• Hungary
• IT Services and IT Consulting
• 1 - 100 Employee

• Lead Software Engineer

  • Nov 2016 - Apr 2017

  ○ Educational curriculum at University of Pécs ‣ Creating an educational curriculum for a University in Hungary ‣ Web technologies: HTML, CSS, JavaScript and Java SE/EE, Spring ○ Modularized Multimedia Framework Application ‣ Desiging a distributed task scheduler and chat system ‣ Managing a team of 6 engineers ○ Health system for patients - nearby doctors ‣ Designing the architecture ‣ Developing both frontend and backend components ‣ Managing a team of 6 engineers ‣ Technologies: Spring (Boot, MVC, Data JPA), Feign, MongoDB, MariaDB, Docker, Angular2 Show less



i-Cell Global Solutions

• Budapest

• Architect

  • Feb 2016 - Nov 2016

  ○ Architect of indoor parking system ‣ Desiging microservice architecture ‣ Delivering software blueprints for integration of external systems ‣ Technologies: Spring (framework) Boot (Core, Data JPA, Security, Session, Cache, AMQP, JMS, Websocket), Redis, Mongo, Hibernate, RabbitMQ, ActiveMQ, MySQL, MongoDB, and Redis, ANTLR ‣ Implementing Continuous Delivery and Continous Integration with Jenkins and implementing many scripts to run software and infrastructure components in Docker containers ‣ Selecting the used technologies in the company, and in projects of larger scale, defining user stories. ‣ Functioning as a part of an “iron team”. Detecting and fixing errors quickly that occur during development and testing in the team. Show less



Shiwaforce

• Hungary
• IT Services and IT Consulting
• 100 - 200 Employee

• Software Engineer

  • Aug 2014 - Feb 2016

  ○ Telekom Hungary ‣ Implementing and shipping backend systems ‣ Desiging the integration with existing systems ‣ Technologies: Java, Spring framework (Core, Web, Data JPA, Cache, Session), Hibernate, AngularJS ‣ Responsible of security requirements ‣ Superviser of the Shiwaforce CMS systems in Telekom architecture and environment ‣ Participating in the assessment of business requirements. ‣ Coordinating the development team's workflow and integration. ‣ Creating estimations for the project management ‣ Implementing the first CI/CD flow to external party within the company, with the help of Bambo ○ Dynaform product development ‣ Desiging and developong a new dynamic form creator application ‣ Integrating with Shiwa CMS prodict Show less



NumberGarner Kft.

• Frontend developer

  • Dec 2013 - Jun 2014

  ○ ImageGarner - Business Photo Album managing ‣ Porting the old frontend system to a new AngularJS based system ‣ Creating new API endpoints for serving AngularJS REST calls ○ ImageGarner - Business Photo Album managing ‣ Porting the old frontend system to a new AngularJS based system ‣ Creating new API endpoints for serving AngularJS REST calls



RisingStars Asia Online Pte. Ltd.

• Web developer

  • Jan 2013 - Nov 2013

  High loading online karaoke service development both front-end (jQuery, HTML5, CSS) and back-end side (PHP 5, MySql, Redis). High loading online karaoke service development both front-end (jQuery, HTML5, CSS) and back-end side (PHP 5, MySql, Redis).