Ziad Sawalha
RBI at Upgraded
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolZiad Sawalha is a seasoned technology leader and builder with 15+ years of experience scaling engineering, product and operations across fintech, cloud and SaaS businesses. He has held senior roles at Klarna driving core banking and platform analytics, co-founded and scaled Equipped to ~$1M MRR, and now leads product expansion at Upgraded from Stockholm. Hands-on with architecture and back-end systems, he contributes to open-source projects like SpiffWorkflow where he improved workflow debugging, state tracking and serialization. Known as a pragmatic “ex-hacker” who builds high-performance teams, he blends product intuition with deep technical execution and occasional reluctant executive duties. Equally comfortable sketching system architecture or shipping customer-facing fintech integrations, he repeatedly pushes state-of-the-art solutions where they matter most. A polyglot thinker with an engineering background from Virginia Tech, he brings entrepreneurial grit and a knack for turning complex domains into pragmatic, auditable systems.
15 years of coding experience
22 years of employment as a software developer
GCE, O & A-levels, GCE, O & A-levels at National Orthodox SchoolB. Sc., Mechanical Engineering, Chemistry, B. Sc., Mechanical Engineering, Chemistry at Virginia TechIB, English, Physics, Chemistry, Economics, Spanish, French, IB, English, Physics, Chemistry, Economics, Spanish, French at Lester B. Pearson (UWC) College of the Pacific
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
workflow-engine10
python10
debug9
debugging9
data-serialization8
serialization8
bpmn7
Programming languages (11)
Github contributions (5)
sartography/SpiffWorkflow
Mar 2012 - Aug 2012
A powerful workflow engine implemented in pure Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:35 commits in 4 months
Contributions summary:Ziad primarily focused on improving the workflow engine's functionality and maintainability. Their contributions include adding state tracking for debugging, which involved modifying the `Task` class to include state history and logging. The user also addressed errors related to debugging and implemented a new 'Execute' Task Spec, incorporating serialization/deserialization functionality. Furthermore, they made several code cleanup changes, including PEP8 compliance and refactoring.
pythonspiff-workflowworkflow-enginebpmnworkflow-specification
Mirantis/keystone
May 2011 - Aug 2011
Identity Service for OpenStack
Contributions:164 commits in 2 months
identityidentity-serviceopenstack
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