Mojmir Novakovic
Verified Expert in Engineering
Ruby Developer
Rodhuish, United Kingdom
Toptal member since August 19, 2026
Mojmir is a Ruby developer with over 15 years of experience in medical cloud systems and microservice architecture for clients including Myorb Limited, KOLOIT, and Homeflow. His primary expertise is in Ruby, Docker, and AWS for healthcare and eCommerce industries, where Mojmir thrives in continuous delivery environments. He scaled services to handle over 1 million daily visitors while at Homeflow.
Portfolio
Experience
- Ruby - 16 years
- AWS IoT - 10 years
- PostgreSQL - 8 years
- Docker Swarm - 8 years
- GitHub Actions - 6 years
- Open-source LLMs - 2 years
- LLMSanitize - 1 year
- Qdrant - 1 year
Preferred Environment
Docker, Docker Swarm, GitHub Actions, AWS IoT, Traefik, Large Language Models (LLMs), LLMSanitize, Open-source LLMs, Light LLMs
The most amazing...
...platform I've built is a public cloud radiology system that maintains hospital integrations and cloud infrastructure for Myorb Limited.
Work Experience
Co-founder
Sortillus
- Built AI-powered product intelligence for eCommerce, including auto-categorization, duplicate detection, and attribute extraction.
- Focused on startup leadership and open-source LLM integrations.
- Built an MCP server serving 8 million eCommerce products for various customers.
Ruby Developer
Myorb Limited
- Maintained hospital integrations and cloud infrastructure for a public cloud radiology platform.
- Transferred DICOMs from within hospital systems onto the cloud infrastructure.
- Developed and integrated a production-ready API endpoint for healthcare infrastructure, enabling secure, standardized data exchange and improving system interoperability.
Co-founder
KOLOIT
- Built tools to read websites, extract locations and events, and present them on maps.
- Implemented semantic search using Elasticsearch vector search.
- Leveraged LLM and vector database integrations for semantic searches.
Senior Ruby on Rails Developer
Homeflow
- Owned legacy Rails 2.x areas and built and scaled services handling over 1 million daily visitors.
- Led email delivery using SES/SNS and RabbitMQ for 1,000+ customers with 1+ million emails daily.
- Maintained property data pipelines and microservices.
Ruby on Rails Developer
Freelance Clients
- Delivered end-to-end Ruby on Rails applications for clients across diverse industries, taking full ownership from requirements discovery and solution architecture through development, deployment, monitoring, and long-term production support.
- Improved application reliability and uptime by implementing proactive monitoring, structured logging, exception tracking, automated backups, and well-defined incident-response procedures.
- Built and maintained production systems with Ruby on Rails versions 2.2.2 through 2.3.14, modernizing legacy applications while preserving backward compatibility and uninterrupted business operations.
Flash Developer
Freelance Clients
- Developed interactive applications in ActionScript 3.
- Integrated Flash applications with REST APIs and XML/JSON data sources, supporting daily users and dynamic, real-time content.
- Collaborated with designers, back-end developers, and QA engineers to deliver production releases from specification through testing and deployment.
Education
Bachelor's Degree in Naval Architecture
University of Zagreb - Zagreb, Croatia
Skills
Libraries/APIs
REST APIs, Mirth Connect, PyTorch, LLMSanitize
Tools
RabbitMQ, Docker Swarm, Orthanc, Traefik, Jenkins, Amazon Simple Notification Service (SNS)
Paradigms
Microservices, DevOps, Model Context Protocol (MCP)
Languages
Ruby, Go, PHP, JavaScript, CoffeeScript, ActionScript 3, Python
Frameworks
Roda, Ruby on Rails 7
Platforms
Docker, AWS Lambda, AWS IoT
Storage
PostgreSQL, Elasticsearch, Redis, MongoDB, MySQL
Other
Ruby on Rails, Prompt Engineering, LLM Integration, Back-end, Qdrant, GitHub Actions, Rails, DICOM, SES, Kafka, Large Language Models (LLMs), Hugging Face, Tokenization, Open-source LLMs, Light LLMs, CI/CD Pipelines, Applied Mathematics, Mathematics, AI Integration
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