Attila D.

Full-Stack Software Engineer

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Vienna, Austria

Experience

Apr 2022 - May 2022
2 months

Full-Stack Software Engineer

Research Data Evaluation

  • Custom anonymized research data analyzer, providing insights and facilitating data-driven decision-making.
  • Designed and developed back- and frontend.
  • Delivered end-to-end solution.
  • Accelerated research timeline by 2 months.
Jan 2021 - Jun 2025
4 years 6 months

Lead Software Engineer

ICS2 Import Control System

  • Advanced cargo information system designed to improve security in international transportation of goods.
  • Led software engineering efforts (5 – 8-person team), while mentoring team members.
  • Coordinated cross-team efforts (3 teams, architects and other stakeholders).
  • Improved architecture, reduced technical debt, optimized critical path performance, achieving O(logn), O(n).
  • Condensed continuous integration pipeline execution times by 43%.
Nov 2019 - Jan 2021
1 year 3 months

Delivery Lead

Mainframe Transition

  • Mainframe infrastructure transition, including business processes, to a recent, sustainable technology stack.
  • Transitioned z/OS to Linux, DB2 to Oracle DB, Control-M to AWA, JCL to bash.
  • Drove productivity boost by coordinating and streamlining delivery.
  • Cut down administrative overhead by 50%.
  • Engineered software components to reduce architectural complexity.
Jan 2018 - Dec 2021
4 years

Product Engineer

Instrument

  • Visioned, drafted and engineered a data organization and visualization platform supporting ad-hoc business workflows and complex queries.
  • Sped up back-office operations by 65%.
Jul 2011 - Jun 2012
1 year

Senior Software Engineer

Faceted Search Engine

  • Scalable big data search backbone.
  • Created algorithms and data structures.
  • Optimized resource usage and system performance, processing tens of millions of updates and queries daily.
Sep 2010 - May 2012
1 year 9 months

Rich Client Engineer

MaSzeKer

  • Modell-based semantic search system of archives of patents in English, rich client application development.
  • Implemented a rich client for building queries, presenting hits, marking relevance and displaying documents.
Mar 2008 - Oct 2019
11 years 8 months

Business Analyst and Lead Developer

eCommerce - Telecommunications

  • Contributed to diverse projects for multiple sales channels, covering enterprise IT infrastructure mergers, platform and component upgrades, service integrations, seasonal and special offer campaigns.
  • Analyzed requirements and guided technical implementation.
  • Carried out critical updates with zero downtime.
  • Led (up to 8-person team) and contributed to the delivery of multiple campaigns.
Mar 2005 - Sep 2010
5 years 7 months

Software Engineer

eGovernment Registration Records Management

  • Contributed to various custom software solutions, achieving full digitalization of government processes.

Summary

With 20 years of experience in software engineering, consistently solving complex problems, leading teams, shaping system architecture, and delivering tangible results across sectors. Focused on mission-critical work, and bringing a well-rounded, no-nonsense approach to every challenge.

Skills

  • Java (Se/ee), Spring Boot, Spring Framework, Jakarta Ee
  • Restful Apis, Soap, Microservices, Event-driven Architecture
  • Maven, Gradle, Jenkins, Git
  • Docker, Podman, Kubernetes, Openshift, Aws, Azure
  • Hibernate / Jpa, Sql (Postgresql, Oracle), Nosql (Mongodb, Redis, Solr, Elasticsearch)
  • Tdd, Bdd, Ddd, Clean Code, Design Patterns
  • Devops, Ci/cd, Infrastructure As Code, Cloud-native Development
  • Api Design, System Integration, Enterprise Applications
  • Scalability, Performance Optimization, Resilient Systems

Languages

Hungarian
Native
German
Advanced
English
Advanced

Education

Sep 2002 - Jun 2008

University of Szeged

M.Sc. · Computer Programmer in Economics · Szeged, Hungary

Sep 2000 - Jun 2002

Kada Elek Technical College

Financial Manager General Economist · Kecskemét, Hungary

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