Fix Slow, Fragile, Legacy Systems
I help companies modernize their legacy codebases. Improve latency, optimize performance, reduce hosting costs, and make the system maintainable again.
What I fix
If you are experiencing one or more of these issues, schedule a call, and let’s see how I can help
What I do
Services
Legacy System Modernization
Refactoring, stabilization, dead-code cleanup, dependency upgrades, safe incremental improvements.
Performance Optimization
Profiling, query optimization, caching, async/offloading, 10× traffic preparation.
Data Pipelines & Reliability
Fix flaky ETLs, add retries/monitoring, eliminate silent failures, and improve reporting SLAs.
1
Audit and diagnostics
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2
Roadmap planning
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3
Implementation
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Case Study
When you change the way you look at things, the things you look at change
Testimonials
What People Say About My Work
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Projects
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Happy Clients
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Consultations
I had the chance to work with Vojislav Janjic at Arbor Education, where he led one of the teams. From day one, it was clear how independent and reliable he was, you could always count on him to deliver, no matter how complex the task.
Miroslav
Technical lead
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