GitHub Experts in Austria

• Accurate handling of customer transactions under time pressure, including cash and register processing with high care
• Reliable, consistent performance in a fast-paced, customer-focused environment; strengthened organization and multitasking skills

Project Tech Stack: Python, AWS, Azure, FastAPI, openai, pandas, unittest/pymock

Achievements:

• Engineered automated data extraction pipelines to transform complex Excel datasets into structured formats via LLM-driven workflows.
• Architected a generative slide-deck engine that translates natural language prompts into formatted presentation assets.
• Integrated advanced LLM capabilities with the OpenAI Response API, implementing sophisticated tool-calling and structured output logic.
• Developed and containerized scalable backend microservice using FastAPI, Docker, and OpenShift to host and serve agentic skills.

• Leading high-impact retail digital transformation focused on data integration, app integration, and next-generation customer engagement strategies.

• Teaching & presenting
• Communication
• Effectively communicate complex technical topics to non-technical audiences through lectures
• Guided non-technical students from zero knowledge to confidently understanding and applying algorithms to achieve business outcomes

• Shaping service management framework as part of head office of RBI
• Service owner overseeing IT cloud services, accountable for overall quality, lifecycle, and success
• Managing customer relationships and satisfaction for 10 business units ensuring smooth business continuity and operations
• Single point of contact and service/process owner providing T-shaped expertise in IT domains, cloud platforms and services (AWS, Azure, Kubernetes, Salesforce, ServiceNow, Jira, Orca, CRM, GitHub, SFMC)
• ITSM/ITIL implementation and mentoring including design, definition, mapping, and execution
• Change and release management, UAT/test assurance, major incident management, SDLC management
• Managing regulatory and audit requirements, DORA, GDPR, ITPF compliance and reporting
• Acting as a point of escalation for complex customer issues, resolving conflicts, fostering a customer-centric culture
• People management: leading and managing service delivery teams, DevOps, vendors, and third-party teams
• Cross-tribe service delivery and contract management: KPIs, SLAs, OLAs, RPO, RTO, BCM/SCM management
• Agile/Scrum process delivery governance, stakeholder communication, and budget/cost management

• Owned day-to-day IT operations for Service Desk, Field Service, and on-call support, ensuring business continuity for a multi-site environment
• Led the transition from Lotus Notes incident tracking to ServiceNow, defining process design, workflows, roles, and reporting
• Implemented a modern telephony system with integrated reporting, enabling real-time visibility of volumes, wait times, and SLA adherence
• Launched a customer self-service portal and on-site walk-in support model to improve first-contact resolution and user experience
• Designed, documented, and rolled out SLAs, delivering targeted training for engineers and stakeholders to drive adoption and compliance
• Acted as process owner for service operations, establishing operating procedures, request/change/incident interfaces, and quality controls
• Partnered with business and IS/OT stakeholders to prioritize demand, reduce operational risk, and improve service reliability

• Pivoted the company into data-driven and AI-powered energy optimization solutions for microgrids, energy communities, and grid operators.

• I am responsible for providing solution architecture and technical assistance for a migration initiative aimed at transitioning to a new core banking system.
• The project involves replacing in-house development with a commercially available off-the-shelf core banking system operated as SaaS on AWS.
• Duties encompass solution design, technical coordination, supporting development teams, and providing IT support and troubleshooting.
• Managing over 10 global vendors and partners is crucial to project success.
• Technologies: VMWare ESXi, AWS, EKS Kubernetes, Mastercard Payment Transaction Service, Avaloq, A1 Telekom Austria infrastructure, CheckPoint FW, F5, Site-to-Site VPNs, PingID, Futurae SDK, Airlock, UC4/Automic, Firebase, iOS/Android lifecycle management, AWS IAM, AWS AppStream, AWS S3, AWS Transfer Family, QlikView, OpenAPI.

Selected projects:

Kiosk platform – hospitality

• Led a 3-person team while hands-on architecting an edge computing infrastructure for over 15 self-service kiosks in Alpine hotels with unstable connectivity
• Designed a Nomad-based cluster with a WireGuard mesh network for fully automated OTA updates, even during local network outages and offline operation
• Integrated physical peripherals (hotel key card readers, thermal printers) into a containerized deployment pipeline
• Reduced on-site maintenance visits by ~40% through a resilient offline-first architecture and Prometheus-based hardware monitoring
• Tech: Nomad, Consul, WireGuard, NestJS, NextJS, Prometheus, Custom Hardware Provisioning

Multi-tenant SaaS platform – insurance claims processing

• Built and operated the Kubernetes infrastructure for a market-leading claims processing platform (acquired by an S&P 500 company) – with strict compliance and availability requirements
• Designed a multi-tenant EKS cluster with tenant isolation, enabling cost-effective single-instance hosting for multiple customers
• Implemented dynamic spot instance node pools, reducing infrastructure costs by ~20%
• Set up fully automated deployment pipelines (Terraform + GitHub Actions) for uninterrupted releases during business hours
• Tech: EKS, Terraform, GitHub Actions, Prometheus/Grafana/Loki, PHP, GraphQL

Legacy ERP integration – construction photo documentation

• Led a 2-person team in designing and implementing a real-time sync bridge between a legacy Microsoft Access ERP (without an API) and a modern mobile photo app for quality control on construction sites
• Developed a PostgreSQL pipeline with real-time listeners that extract data from 1990s Access databases – without disrupting existing workflows
• Built a resilient upload architecture with a circuit breaker pattern for unstable site connections (S3, NFS, Synology NAS)
• Saved each project manager 2–4 hours per week through automated photo sync instead of manual USB/SD card transfers
• Tech: NestJS, PostgreSQL, React Native (Expo), S3, Synology API, offline-first architecture

• Developed Taranis AI, an advanced open-source intelligence (OSINT) tool, leveraging artificial intelligence to revolutionize information gathering and situational analysis.
• Created cybersecurity trainings and a cyber range to provide hands-on learning experiences for SOC teams and IT management.
• Designed and implemented a hybrid cloud infrastructure using OpenStack, Terraform, and Ansible, improving the scalability and performance of the infrastructure and led the migration from an on-site only infrastructure to the hybrid cloud environment.
• Some of my current work can be found on GitHub.

• Develop automated functional testing project using Selenium Web Driver
• Perform automated functional testing on client site
• Perform end to end functional testing on all web elements and populate appropriate test design and test case templates with defect code
• Develop test design, test scenario, test cases, Selenium Web Driver based automation script, and defect log
• Prepare daily activity report
• Prepare project report and documentation covering topics like approach, logic flow, solutions, templates, enhancements suggested etc.
• Upload the documentation in GitHub

• Development of a power distribution solution for motorhomes
• Extension and adaptation of the existing prototype software for some parts of the power distribution system
• Development of missing firmware for other modules of the system
• Automation of the firmware build process through continuous integration (CI)
• Technologies used include C, Jira, Confluence, Git, GitHub, STM32, ESP32, CAN, CANopen, UART, and Zephyr

• Architecture and development of enterprise React 19 based documentation platform for automotive software systems
• Full-stack implementation of visualization tools & interactive diagram viewers
• Performance optimization initiatives including virtual rendering for 10,000+ node trees and Web Worker-based search functionality
• Designed and implemented modular plugin architecture enabling extensible document rendering system
• Technical consultation on Git-based architecture-as-code workflows and modern design patterns
• Ownership of critical features from design through deployment, collaborating with cross-functional enterprise teams

• Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
• Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
• Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
• Automating backend NUnit test cases in Visual Studio
• Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
• Detailed analysis and quality assurance of requirements
• Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
• Close collaboration with business analysts, developers, testers and test management
• Identifying, creating and tracking defects/bugs, with thorough test documentation
• Reporting test results and defect reports
• Monitoring test processes and continuous improvements
• Reviewing test data and test results in PostgreSQL database via pgAdmin
• Supporting effort estimation and backlog prioritization
• Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces