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Mihailo Macar (born 1992) is a Serbian entrepreneur and software engineer known for founding two technology startups focused on developer tooling and cloud infrastructure. He graduated from the University of Belgrade with a B.Sc. in Computer Science and started his first company in 2015, which built a continuous-integration service adopted by small and mid-size teams in Southeast Europe. mihailo macar
Macar publishes technical articles and open-source projects on GitHub, primarily around Go, distributed systems, and infrastructure automation. He speaks at regional developer conferences on topics such as efficient autoscaling, observability for microservices, and designing developer-friendly CI/CD pipelines. (If you’d like a shorter bio, a CV-style
After exiting his first venture in 2019, Macar co-founded NimbusOps, a company delivering lightweight orchestration and cost-optimization tools for Kubernetes workloads. As NimbusOps CTO, he led development of an autoscaling engine and a multi-cluster management dashboard that emphasized low operational overhead and predictable billing for cloud-native teams. Under his technical leadership, NimbusOps raised a seed round in 2021 and grew to serve dozens of engineering teams across Europe and North America. As NimbusOps CTO, he led development of an
Outside of work, Macar mentors early-stage founders and contributes to coding education initiatives in Serbia. He lives in Belgrade and is an advocate for building sustainable, developer-focused cloud tooling that reduces complexity for small engineering teams.