Ivan Longin
Senior Software Engineer at Iterative
Zadar, Zadar County, Croatia
Summary
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Rockstar🎓
Top SchoolIvan Longin is a Senior Software Engineer based in Zadar, Croatia, with a decade of experience building high-throughput, distributed systems and backend services. He has held senior roles at Iterative and Plentific and delivered backend and integration work through Toptal for multiple startups, bringing practical experience across Node.js, Java, Groovy/Grails and various SQL and NoSQL datastores (MongoDB, Cassandra, Redis, Elasticsearch). His background includes developing push-notification systems and modeling complex data flows at Infobip, giving him strong domain knowledge in messaging and real-time architectures. Ivan combines hands-on implementation with systems thinking—comfortable from REST API design to database schema and Linux operations—and has repeatedly moved between product-focused startups and consultancy roles. He holds an MS in Information and Communication Technology from the University of Zagreb, and often operates at the intersection of scalability and pragmatic delivery.
10 years of coding experience
10 years of employment as a software developer
Bachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Faculty of Electrical Engineering and Computing, University of Zagreb
Stackoverflow
3,283reputation
293kreached
1answer
53questions
Github Skills (34)
machine-learning10
data-analytics10
multimodal10
iterative10
llm10
mlops10
ai10
data-wrangling10
access-log6
integration-testing6
nodejs6
php6
mocking6
authorization6
big-data6
Programming languages (3)
Github contributions (5)
iterative/datachain
Jul 2024 - Apr 2025
ETL, Analytics, Versioning for Unstructured Data
Contributions:12 releases, 228 reviews, 101 PRs in 8 months
aidata-analyticsdata-wranglingembeddingsllm
ilongin/example-model-registry
Apr 2023 - Apr 2023
Contributions:5 pushes, 3 tags in 1 day
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