Summary
Jaroslaw Weber is a senior back end developer based in Seoul with over 10 years of experience building, operating, and scaling reliable services for gaming and e-commerce platforms. He has driven measurable improvements at companies like Adriel by adding observability for databases, queues, and caches, refactoring performance-critical code, and writing 500+ tests to boost platform stability. His background in game development at DMM.com Group and Next Ninja gave him deep experience optimizing memory and performance for both mobile and WebGL environments while collaborating in large cross-functional teams. Jaroslaw combines hands-on incident leadership—quickly restoring service during outages—with a knack for developer productivity, delivering tools such as a Test Runner UI that makes shareable scripting fast and discoverable. Fluent in Japanese and with an academic background in Japanese thought and philology, he brings strong cross-cultural communication skills to multinational teams. Notably, he pairs game-performance tuning instincts with pragmatic backend engineering to reduce operational load and accelerate feature delivery.
10 years of coding experience
11 years of employment as a software developer
Scholarship Exchange, History of Japanese Thought, Scholarship Exchange, History of Japanese Thought at Tohoku University
Bachelor's degree, Japanese Filology, Bachelor's degree, Japanese Filology at Wyższa Szkoła Języków Obcych im. Samuela Bogumiła Lindego
English, Japanese, Polish, Korean