Nebojsa Otasevic
Senior .NET Backend Engineer
Software architecture and backend delivery for complex SaaS, logistics, and enterprise systems. Turning demanding business rules and legacy constraints into dependable, maintainable production software.
Building software around the real business problem
Senior engineering ownership from domain discovery and architecture through delivery and production support.
14+ years designing, building, and evolving business-critical .NET software systems.
Deep experience with C#, ASP.NET Core, APIs, SQL databases, integrations, domain modeling, and software architecture.
End-to-end ownership from domain discovery and architectural decisions through implementation, modernization, review, and production support.
From architecture to production delivery
Focused senior support for product companies and engineering teams working on complex software systems.
Backend & API Delivery
Design, build, and evolve C# and ASP.NET Core services, REST APIs, integrations, and the workflows behind them.
Architecture & Modernization
Define clearer system boundaries, reduce structural complexity, and modernize software without losing critical business behavior.
Complex Domain Systems
Turn demanding business rules and operational processes into understandable domain models and dependable production software.
Technical Leadership
Support delivery through architectural decisions, code and design reviews, developer mentoring, and senior ownership of critical work.
Technical Expertise
Specialized in building robust backend systems, scalable cloud architectures, and enterprise-grade software solutions.
Backend Engineering
Cloud & Delivery
Architecture
Data & Search
Professional Experience
Selected experience delivering backend platforms, architecture, and technical leadership across logistics, compliance, travel, and business software.
Senior Software Engineer
- Built Azure-powered microservices for logistics and compliance automation
- Designed REST APIs and improved system performance
- Delivered internal dashboards
- Delivered the SafePackage API for automated customs workflows
Software Developer
- Implemented CMS features
- Improved platform maintainability
Software Architect
- Led the architecture for the Travelaizer travel platform
- Defined the system blueprint and technology stack
- Mentored developers
- Helped ensure clean and scalable system design
Backend C# Developer
- Developed optimized REST APIs for property rental search systems
Software Developer -> Lead Developer -> CTO
- Managed engineering teams
- Delivered payment processing and core business systems
.NET / GIS Developer
- Developed AutoCAD Map 3D extensions
- Built GIS workflow tools
Work & Impact
Concrete examples of architecture, backend delivery, and technical leadership across complex product domains.
SafePackage API
Logistics and customs-workflow automation built for demanding compliance operations.
- Built Azure-powered microservices and REST APIs
- Delivered the SafePackage API and internal dashboards
- Improved performance across business-critical workflows
Travelaizer Platform
Architecture and technical direction for a scalable travel platform.
- Led platform architecture and system blueprinting
- Defined the technology stack and architectural direction
- Mentored developers toward clean, scalable delivery
Engineering Leadership
Long-term technical and delivery ownership across core business systems.
- Progressed from Software Developer to Lead Developer and CTO
- Managed engineering teams and technical delivery
- Delivered payment processing and core business systems
Backend Platforms & APIs
Backend delivery across property search, CMS, GIS, and enterprise applications.
- Developed optimized property-rental search APIs
- Improved maintainability for a CMS-driven platform
- Built AutoCAD Map 3D extensions and GIS workflow tools
Technology Stack
A comprehensive set of tools and technologies I use to build, deploy, and maintain robust software systems.
Education
Computer Science Specialist (240 ECTS)
University of Montenegro
Languages
English
Fluent
German
Conversational
Get in Touch
Need senior .NET ownership for a complex backend, modernization effort, or SaaS platform? Let’s discuss the project.