Michael Rotmanov
Software Developer at sipgate
Dusseldorf, North Rhine-Westphalia, Germany
Summary
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SeniorMichael Rotmanov is a seasoned software developer and architect with 17 years of professional experience and over 19 years coding privately, currently focusing on architecture at sipgate in Düsseldorf. He has progressed from systems administration and frontend/middleware work to senior roles in e‑commerce and cloud architecture at Fashion Digital and Fashion ID, bringing a pragmatic full‑stack perspective to scalable systems. An active contributor to open source, he improved configuration parsing and modularity in the widely used node-config project, demonstrating attention to backward compatibility and code clarity. Michael pairs hands‑on implementation skills with a strong interest in maintainable architecture and configuration management, often preferring incremental, readable refactors over wholesale rewrites. Colleagues praise his ability to translate legacy constraints into practical, future‑proof designs while keeping developer ergonomics in mind.
17 years of coding experience
13 years of employment as a software developer
Github Skills (14)
json10
configuration-management10
nodejs10
javascript10
yaml8
testing7
properties-file6
system-properties6
application-properties6
custom-properties6
spring-properties6
dependency-properties6
cson5
toml4
Programming languages (12)
Github contributions (5)
node-config/node-config
Apr 2015 - May 2015
Node.js Application Configuration
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 2 PRs, 8 comments in 21 days
Contributions summary:Michael focused on enhancing the configuration management capabilities of the Node.js application. They added functionality for parsing JSON-formatted environment variables, including backwards compatibility and format indication. The commits also refactored the code, separating the `parseFile` and `parseString` functions for improved modularity and readability.
nodejs-applicationconfigdeploymentsettingsproperties
dasbrennendeauge/telefon-geocache
Mar 2019 - Jun 2026
Contributions:19 pushes in 7 years 4 months
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