Jan Jurec
Senior DevOps Engineer | MLOps | Backend
π GorzΓ³w Wielkopolski, Poland
"Python, AWS, Linux. Cool stuff."
Versatile and experienced professional excelling in both DevOps and software engineering. Primary skills include AWS, Python, and DevOps, with a strong emphasis on Infrastructure as Code using Terraform + CDK, and CI/CD administration.
Working remotely since 2018 (before it was cool). Passionate about solving complex problems through an analytical approach. Thrives in smaller teams where autonomy matters.
Drives initiatives to enhance system efficiency, reliability, and productivity. Provides technical guidance, fosters quality culture, and leads development initiatives from concept to launch.
Chief Executive Jan Jakub of Innovative Solvents
InnovationsEX Solutions-polInfrastructure Specialist & WordPress Wizard
Zdrowa, tylko ma biaΕaczkΔ- Set up and manage custom WordPress instance with data retention and high availability using EC2 and LAMP
Senior DevOps Engineer w/ MLOps & Backend
TUIπ¦ Foundational member of Machine Learning Lab created by Principal ML Engineer at TUI π¦
ML Projects and Pipelines
- Implementing and maintaining ML-specific pipelines (StepFunctions, Sagemaker, Glue, ECS)
- Designing projects using team's AI solutions (Sagemaker) with added API logic
- Improving self-hosted MLflow server β security fixes + automated upgrades
- Improving Data Ingestion with AWS Data Pipeline and Glue
- Supporting the first AI assistant and RAG pipeline at TUI
Internal Tools and Infrastructure
- Created internal tools package (bash, boto3, threading, docker)
- Deployed endpoint handling millions of requests/day
- Designed multi-env deployments (Terraform, CDK, CloudFormation)
- Designed and maintained CI/CD pipelines (GitLab)
- Rolled out code quality steps into dozens of pipelines (black, pylint, sonarqube, tests)
- Integrated Sonarqube, Datadog dashboards, AWS Security Hub
External Collaboration and API Design
- Collaborating with external teams (FastAPI, Lambda, ECR, SQS, SNS, Sagemaker)
- Enhancing API performance and stability
Remote Software Engineer
3e9 Systems- 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)
- Architecture design and documentation for cloud migration
Python Mentor
Kodilla- Backend, Big Data, Data Science, Machine Learning, Automated Testing
Software Engineer
Xebia Poland- 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
Software Engineer
Clearcode (Avenga)- Designing DMP and exchange (AdTech) systems on AWS
- Hamburg-WrocΕaw 10-person team, infra/dev focus
- Project: <20ms @ 30k rps modular AWS system
Working Student β Summer Trainee
Nokia- Telco data analysis with Jupyter, bokeh, pandas
- Machine learning team (numpy, sklearn)
- CI and Docker for existing codebase (Jenkins, GitLab CI)
- Python 2β3 migration, unit and functional tests
List of pylint human readable message ids and dev readable codes
PythonWorkshops & Presentations @ TUI
Hackathon for TUI ML Lab β customer segmentation & end-to-end MLOps workflow. Hosted and mentored participants.
Building AI bots with Amazon Bedrock. Proofreader and Q&A support.
Deploying Stable Diffusion for text-to-image generation. Hosted and mentored participants.
Wroclaw University of Science and Technology
Master's Degree, Computer Science
2018 β 2019
Wroclaw University of Science and Technology
Bachelor of Science in Engineering, Computer Science
2012 β 2017
Certifications
AWS Certified Solutions Architect β Associate
Amazon Web Services
Issued Jan 2019
Learning Kubernetes
LinkedIn Learning
Issued Jul 2024
"Jan's expertise in writing clean and robust code was evident from the outset. He was instrumental in driving top-notch coverage tests. He single-handedly deployed several key projects, handling huge volumes of data with ease. Jan is an excellent team player and always ready to help his teammates."
"Jan is a very reliable and amazing teammate. A very strong man that even in adversity, can maintain a relaxed atmosphere in the team. With him I could trust that all the tasks are going to be delivered in time and still receive very funny memes in the way. He was the key piece to implement the DevOps culture on the team."
"Rarely have I come across a DevOps engineer as exceptional as Jan. Every project we undertook was met with his dedication, technical skill and innovative thinking. Committed to achieving the best results, he mastered AWS cloud engineering, developed efficient Python Serverless APIs, and performed insightful business analysis."
"Jan knew how to explain complex things in easy way, being understanding and patient. His knowledge of Python and programming in general is versatile. I could not find a thing that would surprise him. It was really a pleasure learning back-end development with his help."
"Jan is a reliable and dedicated professional with a strong team spirit. He not only completes tasks with precision but also proactively helps colleagues. Jan's commitment to learning, problem-solving skills, and open communication make him a valuable asset."
"Jan's a solid DevOps Engineer. He's got a good grip on AWS cloud engineering and knows how to keep infrastructure cost-effective and secure. Plus, he's a great guy to have around. Keeps the atmosphere positive and always has time for a good laugh."
"Jan make things happen! He is proactive and result oriented, responsible and technically sound. He is always ready to put all his energy and time to get the job done."
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