Ivan Erceg
Principal Engineer at Tonic.ai
Chile
Summary
🤩
Rockstar🎓
Top SchoolIvan Erceg is a Principal Engineer and seasoned founder with 13 years of professional experience building high-performance, distributed platforms from edge networks to synthetic data engines. Based in Chile and an immigrant since 1999, he blends hands-on systems work (C++, Rust, JS) with product leadership—co-founding Fabricate, which was acquired by Tonic.ai, and leading platform efforts at Layer0/Edgio and Levels. He focuses on resilient, performance-driven architecture for critical-path systems and has deep expertise in HTTP delivery, edge computing, and synthetic data generation at scale. An active open-source contributor, Ivan improved the widely used Node.js HTTP mocking library nock by strengthening recorder functionality, header matching, and content-encoding handling. Comfortable switching between low-level optimization and team/organizational leadership, he also invests and advises early-stage projects, bringing an operator’s mindset to startup productization.
13 years of coding experience
23 years of employment as a software developer
Mechanical Engineering, Mechanical Engineering at University of BelgradePolitechnical Academy "New Belgrade"
English, Spanish, Serbian
Stackoverflow
418reputation
43kreached
13answers
2questions
Github Skills (13)
http10
nock10
javascript10
nodejs10
mocking10
test-automation10
testing10
objective-c6
windows6
unity-game-engine6
boost6
iphone6
plugin6
Programming languages (9)
Github contributions (5)
nock/nock
Feb 2014 - Nov 2017
HTTP server mocking and expectations library for Node.js
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:28 commits, 8 PRs, 1 push in 3 years 9 months
Contributions summary:Ivan primarily focused on enhancing the HTTP server mocking and expectations library, Nock. Their contributions centered on expanding the recorder functionality, adding options for outputting recorded objects and handling request headers. They implemented new features like handling content-encoded responses and ensuring proper request header matching, alongside adding tests to cover the implemented functionality. The user also fixed existing issues related to compatibility and recording order, thereby improving the robustness and reliability of the library.
mock-servernocknode-jstestingjavascript
guoyk-deprecated/php-node-serializaion
Jun 2015 - Sep 2021
Translator between JSON and PHP serialization format for node.js
Contributions:2 PRs, 1 issue in 6 years 4 months
node-jsphpserialization-formatserializationtranslator
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