Simon Lacroix is a Senior Software Engineer based in Berlin with over a decade of hands-on experience building and migrating web applications and infrastructure. He has a strong Ruby/Rails background, contributed meaningful fixes and features to the popular jira-ruby gem, and has repeatedly improved API integration, pagination, and attachment handling in open-source tooling. Simon has led cloud migrations and platform initiatives—moving services from bare-metal to Kubernetes on Google Cloud, introducing Kafka-based messaging, and refactoring monoliths into event-sourced, DDD-aligned architectures. He balances backend systems work with front-end React/Redux experience and a pragmatic focus on maintainability by extracting business logic into services. Known for mentoring engineers and shipping reliable integrations (Zapier apps, JIRA/Pivotal/Trello connectors), he thrives on turning complex legacy stacks into testable, scalable systems.
11 years of coding experience
11 years of employment as a software developer
Bachelor's degree Computer Programming, Bachelor's degree Computer Programming at HEPL - Haute Ecole de la Province de Liège
Contributions:7 reviews, 79 commits, 66 PRs in 6 years 2 months
Contributions summary:Simon primarily contributed to the core functionality of the JIRA Ruby gem, focusing on enhancing the API interaction capabilities. Their work included implementing pagination for project user retrieval and fixing issues related to createmeta functionality. Additionally, they addressed code duplication and reverted changes that introduced test failures, indicating a commitment to code quality and stability. The user also added the ability to create attachments within the gem.
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Simon Lacroix - Senior Software Engineer at ModMed