Peyman Salehi is a Senior Backend Engineer based in Berlin with 10 years of experience building and modernizing back-end systems for commercial, financial, and travel domains. He has led small engineering teams, mentored developers, and driven process improvements that measurably increased system performance and developer efficiency. Peyman has hands-on expertise with Python, Kafka, Spark and Django, migrating legacy codebases (including Python 2→3) and implementing data pipelines and caching strategies to reduce load and improve reliability. At Alibaba Travels he built pricing and monitoring dashboards for dynamic-pricing products, and at Tosan he optimized real-time trading pipelines to boost trading performance. An active open-source contributor, he modernized the popular tablib library’s codebase—improving maintainability and dropping Python 2 support—demonstrating a pragmatic focus on long-term code health.
10 years of coding experience
7 years of employment as a software developer
B.Sc in Software Engineering, Computer Software Engineering, B.Sc in Software Engineering, Computer Software Engineering at Shomal University
Associate's degree, Computer Software Engineering, Associate's degree, Computer Software Engineering at Technical and Vocational University
Python Module for Tabular Datasets in XLS, CSV, JSON, YAML, &c.
Role in this project:
Back-end Developer
Contributions:6 reviews, 3 commits, 5 PRs in 15 days
Contributions summary:Peyman primarily contributed to the back-end development of the `tablib` library. Their work involved refactoring code, removing support for Python 2, and improving code quality. This included fixing linting errors and making enhancements to the `dbfpy` package. The user's changes focused on modernizing the codebase and improving its maintainability.
Contributions:20 pushes, 2 branches in 3 years 11 months
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