Nikolay Kolibarov
Head of AI
Software engineer experienced in distributed systems, automation, and applied machine learning with a focus on scalable cloud solutions.
Core Specializations
- Distributed Systems
- Machine Learning & AI Engineering
- Automation Systems
- Cloud Architecture (AWS, Kubernetes)
- DevOps & CI/CD
- Data Engineering & Real-time Pipelines
- Web Application Development
- System Monitoring & Observability
Technical Leadership
- R&D and Innovation in ML Systems
- Mentorship and Cross-team Collaboration
- System Optimization and Cost Reduction
- Process Automation and Tooling Improvements
Industry Experience
- FinTech
- AgTech
- Automotive
- Smart Cities
- Web Development
Senior Software Engineer @ Finonex
April 2023 – Present | Bulgaria (Remote)
Designed, developed, and maintained a distributed lead recommendation and scoring system for fintech call centers.
- Built reactive lead scoring system using Python, Redis, Lua, and Kafka to process 3M+ leads in real-time across thousands of sales representatives.
- Developed call dialog synchronization and A/B testing features for lead conversion optimization.
- Migrated deployments from raw YAML to Helm for improved maintainability.
- Enhanced CI/CD pipelines with automated integration testing and ephemeral environment provisioning in Kubernetes.
- Designed APIs with Express, MariaDB, Redis, and Kafka.
- Built desktop and web apps for call center agents and support teams.
- Reduced AWS RDS costs through data modeling and query optimization.
- Developed monitoring dashboards and alerts in Grafana.
Senior Software Engineer @ Fieldin
July 2022 – April 2023 | Bulgaria (Remote)
Worked in DevOps R&D on automation for smart farming systems.
- Designed distributed automation and regression testing platform using Python, RabbitMQ, Redis, and AWS.
- Replaced static QA environments with ephemeral test setups—cutting costs and accelerating development.
- Developed real-time queue message replication service in Go.
- Built Angular web interface for automation orchestration.
- Enhanced Jenkins CI/CD pipelines for infrastructure and software workflows.
Software Engineer @ Bosch Bulgaria
May 2021 – June 2022 | Sofia, Bulgaria
Part of AI team developing car interior monitoring products.
- Created distributed model evaluation pipeline with Python, RabbitMQ, and Protobuf.
- Built pipelines for model prediction and labeled data processing.
- Generated OpenCV-based visualization tools for debugging.
- Implemented KPI computation and visualization using NumPy, Pandas, and Scikit-learn.
- Developed CI pipelines in Jenkins.
- Contributed to OpenPose-based pose estimation model using PyTorch.
Machine Learning Researcher @ GATE Institute
June 2020 – May 2021 | Sofia, Bulgaria
Collaborated with Chalmers University (Sweden) on Digital Twin City platform development.
- Published paper “Roof Segmentation Towards Digital Twin Generation in LoD2 Using Deep Learning” (CSC 2022).
- Researched roof type classification and segmentation from orthophotos and LiDAR data.
- Built PyTorch pipelines for model training, evaluation, and augmentation.
- Wrapped C++ core for API exposure via Node.js Addons.
- Developed Babylon.js 3D City Viewer for CityJSON and CityModel data.
Co-Founder & Lead Web Developer @ Weband
January 2016 – May 2019 | Bulgaria
Developed and managed 20+ B2B/B2C web projects using modern web technologies.
- Built backend and frontend systems with Laravel, Express, Vue, MySQL, and MongoDB.
- Established long-term business relationships and supported multiple tech events.
- Led small team delivering full-cycle software projects.
Education
New Bulgarian University
BSc in Informatics | 2017 – 2021
Software University (SoftUni)
Software Engineering Program | 2014 – 2017
Languages
- Bulgarian: Native
- English: Fluent
- German: Proficient
Built a distributed lead recommendation and scoring system at Finonex for call centers, processing millions of leads in real time.
Developed automation system at Fieldin eliminating static QA environments and cutting AWS costs significantly.
Published scientific paper on Deep Learning-based Roof Segmentation for Digital Twin City Generation (CSC 2022).
Designed distributed model evaluation pipelines for AI systems at Bosch Bulgaria.
Developed real-time replication and testing systems using RabbitMQ and Go.
Created and managed 20+ web solutions for SMEs at Weband using Laravel, Vue, and Express.
Contributed to building automation and testing infrastructure supporting EKS and CI/CD workflows.
Improved observability and monitoring via Grafana dashboards and alerting pipelines.
Languages & Frameworks
Cloud & Infrastructure
Data & Analytics
Core Specializations
- Distributed Systems
- Machine Learning & AI Engineering
- Automation Systems
- Cloud Architecture (AWS, Kubernetes)
- DevOps & CI/CD
- Data Engineering & Real-time Pipelines
- Web Application Development
- System Monitoring & Observability
Technical Leadership
- R&D and Innovation in ML Systems
- Mentorship and Cross-team Collaboration
- System Optimization and Cost Reduction
- Process Automation and Tooling Improvements
Industry Experience
- FinTech
- AgTech
- Automotive
- Smart Cities
- Web Development
Senior Software Engineer @ Finonex
April 2023 – Present | Bulgaria (Remote)
Designed, developed, and maintained a distributed lead recommendation and scoring system for fintech call centers.
- Built reactive lead scoring system using Python, Redis, Lua, and Kafka to process 3M+ leads in real-time across thousands of sales representatives.
- Developed call dialog synchronization and A/B testing features for lead conversion optimization.
- Migrated deployments from raw YAML to Helm for improved maintainability.
- Enhanced CI/CD pipelines with automated integration testing and ephemeral environment provisioning in Kubernetes.
- Designed APIs with Express, MariaDB, Redis, and Kafka.
- Built desktop and web apps for call center agents and support teams.
- Reduced AWS RDS costs through data modeling and query optimization.
- Developed monitoring dashboards and alerts in Grafana.
Senior Software Engineer @ Fieldin
July 2022 – April 2023 | Bulgaria (Remote)
Worked in DevOps R&D on automation for smart farming systems.
- Designed distributed automation and regression testing platform using Python, RabbitMQ, Redis, and AWS.
- Replaced static QA environments with ephemeral test setups—cutting costs and accelerating development.
- Developed real-time queue message replication service in Go.
- Built Angular web interface for automation orchestration.
- Enhanced Jenkins CI/CD pipelines for infrastructure and software workflows.
Software Engineer @ Bosch Bulgaria
May 2021 – June 2022 | Sofia, Bulgaria
Part of AI team developing car interior monitoring products.
- Created distributed model evaluation pipeline with Python, RabbitMQ, and Protobuf.
- Built pipelines for model prediction and labeled data processing.
- Generated OpenCV-based visualization tools for debugging.
- Implemented KPI computation and visualization using NumPy, Pandas, and Scikit-learn.
- Developed CI pipelines in Jenkins.
- Contributed to OpenPose-based pose estimation model using PyTorch.
Machine Learning Researcher @ GATE Institute
June 2020 – May 2021 | Sofia, Bulgaria
Collaborated with Chalmers University (Sweden) on Digital Twin City platform development.
- Published paper “Roof Segmentation Towards Digital Twin Generation in LoD2 Using Deep Learning” (CSC 2022).
- Researched roof type classification and segmentation from orthophotos and LiDAR data.
- Built PyTorch pipelines for model training, evaluation, and augmentation.
- Wrapped C++ core for API exposure via Node.js Addons.
- Developed Babylon.js 3D City Viewer for CityJSON and CityModel data.
Co-Founder & Lead Web Developer @ Weband
January 2016 – May 2019 | Bulgaria
Developed and managed 20+ B2B/B2C web projects using modern web technologies.
- Built backend and frontend systems with Laravel, Express, Vue, MySQL, and MongoDB.
- Established long-term business relationships and supported multiple tech events.
- Led small team delivering full-cycle software projects.
Education
New Bulgarian University
BSc in Informatics | 2017 – 2021
Software University (SoftUni)
Software Engineering Program | 2014 – 2017
Languages
- Bulgarian: Native
- English: Fluent
- German: Proficient
Built a distributed lead recommendation and scoring system at Finonex for call centers, processing millions of leads in real time.
Developed automation system at Fieldin eliminating static QA environments and cutting AWS costs significantly.
Published scientific paper on Deep Learning-based Roof Segmentation for Digital Twin City Generation (CSC 2022).
Designed distributed model evaluation pipelines for AI systems at Bosch Bulgaria.
Developed real-time replication and testing systems using RabbitMQ and Go.
Created and managed 20+ web solutions for SMEs at Weband using Laravel, Vue, and Express.
Contributed to building automation and testing infrastructure supporting EKS and CI/CD workflows.
Improved observability and monitoring via Grafana dashboards and alerting pipelines.
Languages & Frameworks
Cloud & Infrastructure
Data & Analytics
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