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Jelem Milosevic

@jelemmilosevic

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Senior Python Full-Stack Developer FastAPI • React • AWS • Microservices • AI/LLM Applications

Serbia

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What I'm looking for

I’m looking to build resilient, observable systems—owning Python backend and microservices architecture, partnering on frontend delivery, and modernizing platforms with strong CI/CD and cloud-native DevOps practices.

Senior Full-Stack Developer with 9+ years of experience building scalable SaaS platforms, cloud-native applications, and distributed systems for international and remote-first teams. Specialized in Python backend development using FastAPI, microservices architecture, and high-performance REST APIs, combined with modern React and TypeScript frontend development. Strong expertise in AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD pipelines, and event driven architectures. Hands-on experience delivering AI-powered applications and LLM integrated workflows for automation, intelligent processing, and enhanced user experiences. Proven ability to design systems end-to-end, optimize performance, modernize legacy architectures, and deliver production-grade software with measurable business impact.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack Developer

Current

Freelance

Jan 2025 - Present (1 year 5 months)

Architected and built scalable backend services using Python with FastAPI and Django, focusing on resilience, observability, and maintainability. Developed responsive frontend applications with React and Angular, implemented JWT/OAuth2-based authentication with RBAC, and improved operational efficiency through automation workflows.