Experience

Experience

From technical support and L3 administration to designing enterprise integrations — Jira Server, SAP, Azure, AWS and AI.

Current role

IT SAP Application Specialist

Śnieżka

2024-11 – present

Role combining L3 administration of enterprise platforms with integration/automation development, ABAP, and safe rollout of local LLMs.

  • End-to-end Jira Server administration: users and permissions, projects and schemes, workflows, apps, monitoring, and change without breaking continuity.
  • SAP Marketing Cloud administration: user management, designing segmentation and email communication templates that support campaigns and marketing processes.
  • L3 administration of a PHP-based returns system: production operations, diagnostics, functional evolution and 3rd-line operational support.
  • ABAP development in the SAP ecosystem and integration work (incl. CPI/OData) for logistics/business processes.
  • Database administration (PostgreSQL, MSSQL, MySQL) in application and integration contexts; Windows and Linux environments.
  • Environment updates for Security requirements: security patches, package and software version upgrades, policy alignment.
  • Deploying and operating local LLMs via Ollama on Linux servers — with focus on data control and security.
  • Cloud administration tied to development: components, rules and configuration in Azure and AWS supporting deliveries and integrations.
Jira ServerScriptRunnerSAP Marketing CloudABAPPHPPostgreSQLAzureAWSOllama

Junior IT SAP Application Specialist

Śnieżka

2023-08 – 2024-10

Entry into an application specialist role: Jira/Confluence admin+dev, Marketing Cloud, returns system and databases.

  • Jira Server / Confluence administration and development: floating-license scripts, group synchronization, process automations and apps with integrations.
  • SAP Marketing Cloud: user operations, segmentation and preparation of email communication templates.
  • Contribution to maintaining and evolving a PHP returns system — administrator perspective focused on stability and change.
  • Day-to-day work on Windows/Linux and MSSQL/PostgreSQL in administrative and development tasks.
  • Active Directory operational work: creating accounts, groups and permissions tied to system access.
Jira ServerScriptRunnerSAP Marketing CloudPHPActive DirectoryPostgreSQLMSSQL

Help Desk Specialist

Śnieżka

2022-09 – 2022-12

In parallel with .NET work (part-time): backup administration and user support.

  • Commvault administration — backup and restore as a continuity layer.
  • User support and ticket handling in a help-desk model.
CommvaultWindows ServerHelp Desk

.NET Developer

cetuspro.com

2022-08 – 2023-08

Backend .NET across two commercial projects: a video-license sales platform and a car-sharing application.

  • Independently building a C#/.NET backend for a video-license sales platform — APIs, business logic and payment/content integrations (Stripe, Vimeo) on PostgreSQL.
  • Contributing to a car-sharing application as part of a development team: .NET backend based on CQRS and PostgreSQL, collaborating with PM, client and frontend.
  • Designing REST contracts, data modeling and keeping business processes consistent on the server side.
C# / .NETCQRSPostgreSQLStripeVimeoREST API

Junior Azure .NET Developer

Predica Group

2021-09 – 2022-07

Work on a client commerce-tool migration — from a relational database to a non-relational store (Cosmos DB) on Azure.

  • Contributed as a junior Azure .NET developer to a commerce platform migration: moving from a relational model to Cosmos DB.
  • Azure component administration/configuration tied to development (rules, application infrastructure pieces).
  • Daily collaboration in English in a project environment.
.NETAzureCosmos DBMigration

Service Desk Specialist

Qumak (body leasing) → PGE Systemy

2018-10 – 2019-06

Start in IT: first-line support, ITSM and Active Directory operations.

  • Handling user tickets and resolving issues in a Service Desk / ITSM model.
  • Active Directory: creating accounts, assigning groups and permissions, foundational identity administration.
  • Work in a large energy organization — focus on procedures, SLA and communication with business users.
ITSMActive DirectoryWindowsService Desk

Education

Master's, Computer Science

KUL (Katolicki Uniwersytet Lubelski)

2019–2021

Thesis: web applications as compact optimization tools for companies — thin vs. thick client comparison.

Bachelor's, Computer Science

KUL (Katolicki Uniwersytet Lubelski)

2015–2018

Thesis: lossy and lossless compression based on the RLE algorithm (compression/decompression app).