Intro
Versatile senior engineer with 10+ years of experience across DevOps, software engineering, and MLOps.
Primary skills include AWS, Python, and Infrastructure as Code (Terraform + CDK).
Working remotely since 2018. Passionate about solving complex problems through an analytical approach.
Thrives in smaller teams where autonomy matters. BSc & MSc in Computer Science from Wrocław University of Science and Technology.
Experience
Santander Bank Polska
Senior Software Engineer w/ MLOps & Agents Mentor
Jul 2025 — Present
Contract · Remote
- Modernized a core AI platform: decomposed a monolithic solution into microservices with clearer ownership and better scalability
- Delivered AI-powered SDLC tools across the org — LLM chatbot workflows, document analysis, Jira ticket analysis, test generation, image classification
- Improved platform reliability through better performance, logging, observability, and deep code reviews
- Created multiple MCP servers, subagent specifications and internal Python package for database communication
- Key technical contributor: resolving production issues, reducing code complexity, Unix and platform troubleshooting
Nordea
Senior MLOps Engineer
Sep 2024 — Aug 2025 · 1 yr
Contract · Hybrid
- Contributed to MLOps, RAG, and AI platform solutions supporting ML workflows and scalable AI/ML adoption
- Set up infrastructure-as-code foundations for structured, repeatable cloud provisioning
- Designed reliable data pipelines — efficient, well orchestrated, and production ready
- Helped define foundations for teams to build, deploy, and operate AI/ML solutions in a compliant, scalable way
TUI
Senior DevOps Engineer w/ MLOps & Backend
May 2021 — Aug 2024 · 3 yrs 4 mos
Freelance · Remote
Foundational member of Machine Learning Lab created by Principal ML Engineer at TUI
ML Projects & Pipelines
- Implementing and maintaining ML-specific pipelines (StepFunctions, SageMaker, Glue, ECS)
- Designing projects using AI solutions (SageMaker) with added API logic
- Improving self-hosted MLflow server — security fixes + automated upgrades
- Supporting the first AI assistant and RAG pipeline at TUI
Internal Tools & Infrastructure
- Created internal tools package (bash, boto3, threading, docker)
- Deployed endpoint handling millions of requests/day
- Designed multi-env deployments (Terraform, CDK, CloudFormation)
- Rolled out code quality steps into dozens of pipelines (black, pylint, SonarQube, tests)
External Collaboration & API Design
- Collaborating with external teams (FastAPI, Lambda, ECR, SQS, SNS, SageMaker)
- Enhancing API performance and stability
3e9 Systems
Remote Software Engineer
Sep 2019 — Aug 2024 · 5 yrs
Freelance · Remote
- Python GUI for distributed IoT system (websockets, PyQt5, AWS Lambda, Greengrass)
- Backend service for real-time communication (MS and Google mail APIs)
- Odoo ERP/CRM features for Take&Go autonomous stores
- Dockerized FastAPI project template for microservices
- Async microservices for debit card payment (idempotency)
- Migration from bare-metal to AWS (ECS + Lambda Python)
Zdrowa, tylko ma białaczkę
Infrastructure Specialist
May 2023 — Jul 2025 · 2 yrs 3 mos
Charity · Hybrid
- Set up and manage custom WordPress instance with data retention and high availability using EC2 and LAMP
Kodilla
Python Mentor
Jul 2020 — Oct 2022 · 2 yrs 4 mos
Contract
- Backend, Big Data, Data Science, Machine Learning, Automated Testing
Xebia Poland
Software Engineer
Aug 2018 — Aug 2019 · 1 yr 1 mo
Full-time
- Migrating client’s infrastructure to AWS using Terraform, Puppet, Packer
- Designing CI/CD solution for AWS microservices
- Developing and peer-reviewing Python3 code for AWS Lambda
- Running AWS practical workshops for certification prep
Clearcode (Avenga)
Software Engineer
Jun 2017 — Aug 2018 · 1 yr 3 mos
Part-time
- Designing DMP and exchange (AdTech) systems on AWS
- Hamburg–Wrocław 10-person team, infra/dev focus
- Project: <20ms @ 30k rps modular AWS system
Nokia
Working Student → Summer Trainee
Jul 2016 — Jun 2017 · 1 yr
Part-time
- Telco data analysis with Jupyter, bokeh, pandas
- Machine learning team (numpy, sklearn)
- CI and Docker for existing codebase (Jenkins, GitLab CI)
- Python 2→3 migration, unit and functional tests
Projects
- List of pylint human readable message IDs and dev readable codes
- OS-themed interactive portfolio with terminal, games, Easter eggs, and AI copilot
Workshops & Presentations @ TUI
- MLOps Workshop — Hackathon for ML Lab: customer segmentation & end-to-end MLOps workflow
- Bedrock Agents — Building AI bots with Amazon Bedrock
- Stable Diffusion — Deploying Stable Diffusion for text-to-image generation
Skills
Cloud & Infrastructure
AWS (Certified), Azure, Terraform, AWS CDK, CloudFormation, EC2, Lambda, SageMaker, Step Functions
Languages & Frameworks
Python, FastAPI, Django/DRF, Flask, Bash, REST APIs, PHP/WordPress
AI, Data & ML
MCP Servers & Agents, RAG, LLMs (Claude, GPT), MLOps, Data Engineering, SQL/Vector DBs/NoSQL, MLflow
DevOps & Tools
Docker, Kubernetes, CI/CD (GitLab, Jenkins), Git, Linux, Datadog, SonarQube, Ansible
Testing & Quality
Unit Testing, E2E/Smoke/Performance, pytest, pylint/black/pre-commit
Languages
Polish — Native, English — Professional Working
Education & Certifications
Wrocław University of Science and Technology
2018 — 2019
MSc Computer Science
Wrocław University of Science and Technology
2012 — 2017
BSc Engineering, Computer Science
Amazon Web Services
Issued Jan 2019
AWS Certified Solutions Architect — Associate