Marcin Kuzdowicz
Staff Software Engineer at DualEntry
Internet, United Kingdom
Summary
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RockstarMarcin Kuzdowicz is a Staff Software Engineer with 11 years of experience focused on backend systems, Web3 and AI, currently operating remotely from the UK. He brings hands-on expertise in building reliable, secure services—evidenced by contributions to The Guardian’s image management system where he improved HTTP handling, DynamoDB queries, logging, timeout behavior and API key validation. Comfortable across distributed systems and production debugging, he emphasizes resilience and observability in critical data pipelines. A musician by avocation, he blends creative problem-solving with disciplined engineering, which surfaces in pragmatic improvements that reduce operational risk. Known for shipping durable backend fixes rather than flashy features, he adds value by hardening systems and improving developer confidence.
11 years of coding experience
Stackoverflow
389reputation
715kreached
3answers
2questions
Github Skills (16)
error-handling10
logging10
scala10
api-design9
dynamodb9
aws9
amazon-dynamodb9
mongoose6
nodejs6
scroll6
javascript6
mongodb6
file-upload6
jquery6
express46
Programming languages (8)
Github contributions (5)
guardian/grid
Dec 2019 - Feb 2020
The Guardian’s image management system
Role in this project:
Backend Developer
Backend DeveloperContributions:34 commits, 134 PRs, 589 pushes in 2 months
Contributions summary:Marcin primarily focused on backend development tasks within the image management system. Their contributions include refining HTTP calls, debugging, and implementing error handling within the `ImageDataMerger` and `GridClient` components. They also worked on DynamoDB queries and improved logging. The user addressed timeout refinements and API key validation, suggesting a focus on the system's reliability and security.
management-systemproductionguardianimage-management
mkuzdowicz/mkuzdowicz.github.io
Aug 2018 - Apr 2021
personal page
Contributions:2 PRs, 4 pushes, 4 branches in 2 years 8 months
reactnextjspersonal-page
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