Sebastian聽Packmann
Software Architect at ShipHero
Galway Metropolitan Area Ireland
Summary
馃懁
Senior馃帗
Top SchoolSebastian Packmann is a software architect with 11 years of experience building scalable backend systems and leading platform efforts at ShipHero, where he progressed from senior backend engineer to architect and led the public API project. He specializes in Python-driven services, distributed systems, and data-heavy integrations using technologies like GraphQL, gRPC, SQLAlchemy, DynamoDB/Aurora, and AWS messaging/storage. Sebastian combines hands-on refactoring and modular design鈥攅vident in his open-source contributions to SOMPY, improving core SOM implementations and visualization鈥攚ith a history of delivering robust ETL and ingestion pipelines in high-throughput environments. Comfortable with both low-level C++ systems and modern cloud-native stacks, he brings a pragmatic focus on maintainability and operational scalability. Based in Galway, Ireland, he pairs strong engineering depth with a continual appetite for learning and exploring new technologies.
11 years of coding experience
13 years of employment as a software developer
First Certificate of English, Languages, First Certificate of English, Languages at Liceo Cultural BritanicoJava Intermediate, Java Object Oriented Programming, Java Intermediate, Java Object Oriented Programming at Universidad Tecnol贸gica NacionalEnglish, English at I.C.A.N.ABachelor鈥檚 Degree, System Analysis, Software development, 7, Bachelor鈥檚 Degree, System Analysis, Software development, 7 at Universidad de Buenos AiresJava WebSphere, Java Object Oriented Programming, Java WebSphere, Java Object Oriented Programming at Adecco
Stackoverflow
1,253reputation
288kreached
25answers
31questions
Github Skills (20)
python10
numpy10
scikit9
machine-learning9
scikit-learn9
data-structures8
data-structure8
visualization8
algorithms8
algorithm8
visualizations8
architecture7
architectures7
timezone6
mongodb6
Programming languages (6)
Github contributions (5)
sevamoo/SOMPY
Jan 2016 - Jan 2016
A Python Library for Self Organizing Map (SOM)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 commits, 1 PR, 5 comments in 17 days
Contributions summary:Sebastian appears to be contributing to the development of a Python library for Self Organizing Maps (SOM). Their primary focus is on refactoring existing code, modularizing functionalities, and improving code structure. The user has added features related to grid calculations, initialization methods, and visualization capabilities, demonstrating a focus on core SOM implementation. They also worked on integrating neighbor search for machine learning applications.
python-librarypythonmapsomorganizing
sebastiandev/scenarious
Apr 2018 - Oct 2019
A Tool for creating testing scenarios
Contributions:2 releases, 30 commits, 5 PRs in 1 year 6 months
testingscenarios
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