10/10/2026 updated

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Software Engineer | C#/.NET, Python, SQL | Back-end, Cloud, AI Automation

Reusel, Netherlands
Only remote
Bachelor of Science in Information Technology
Reusel, Netherlands
Only remote
Bachelor of Science in Information Technology

Profile attachments

Svetoslav_15_Feb_2026.pdf

About me

Software engineer focused on back-end systems, cloud services, automation and AI. I build maintainable software with C#/.NET, Python, SQL and FastAPI, with experience in production APIs, analytics systems, testing, and long-term system evolution.

Application Programming Interfaces (APIs)Computer VisionAutomationC Sharp (Programming Language)DevOpsPython (Programming Language)PostgreSQLMongoDBModel View Controller (MVC)NoSQLSQL DatabasesGoogle FirebaseBackendGitSalesforce HerokuFront End Software DevelopmentProgramming Languages
Backend Development
Expertise in building and maintaining scalable backend systems using C#/.NET, Python, and modern frameworks with focus on reliable architectures and data correctness

Cloud & DevOps
Proficiency in cloud platforms including Azure, GCP, Heroku, and Docker for deployment and infrastructure management

Database Management
Advanced knowledge in MS SQL Server, PostgreSQL, and NoSQL databases including MongoDB for data storage and optimization

Programming Languages
Proficiency in C#, Python, C/C++, Java, and SQL for diverse software development needs

API Development
Experience with FastAPI, LoopBack 4, REST, and MVC frameworks for building robust web services

Frontend Technologies
Knowledge of Vue.js, NuxtJS, HTML, and CSS for full-stack development capabilities

Testing & Quality Assurance
Implementation of comprehensive testing strategies including unit, component, and manual testing using various frameworks

Agile Methodologies
Experience with OOP, SOLID, TDD, Agile, UML principles and SAFe-based workflows for efficient project delivery

Development Tools
Proficiency with Git, Linux, ClearCase, Firebase, and various development environments

Experience

Professional experience0 - 5 years
Freelancer since2026

Languages

BulgarianNative speakerEnglishFluentDutchBasic knowledge

Project history

Software Engineer (Co-Founder)

Selenicore, Reusel

Internet & IT

< 10 team member

• Co-Founder at Selenicore, specializing in workflow automation across internal tools and websites.
• Integrating AI and LLM technologies, including chatbots and document pipelines, to enhance user experience.
• Developing custom web and mobile applications, ensuring stabilization and feature delivery in existing systems.

Software Engineer (Co-Founder)

DriverAlert, Reusel

Internet & IT


Software Engineer

Yokogawa, Amersfoort

Industry & Mechanical Engineering

5000-10.000 team member

• Back-end platform supporting industrial sensor testing in a production environment
• C#/.NET REST APIs orchestrating complex test workflows and result handling
• MS SQL Server data storage and analysis with strong focus on correctness and reliability
• Extensive unit and integration testing to ensure safe evolution and prevent regressions

Software Engineer (Consultant)

ALTEN, Eindhoven

Other

>10.000 team member

• Software engineering consultant delivering work for high-tech industrial clients
• Placed within client teams at companies such as ASML and Yokogawa
• Worked according to client-specific technical standards, quality processes, and ways of working

Software Engineer

ASML, Veldhoven

Industry & Mechanical Engineering

>10.000 team member

• Machine control & metrology software for ASML EUV lithography systems
• Legacy C/C++ & Python refactoring for cross-machine reuse
• Safety-critical, high-availability industrial environment
• Strong focus on impact analysis, validation, and controlled change

Software Engineer (Graduation Internship)

Spienzer B.V., Venlo
Integration with Google Analytics and Google Search Console using FastAPI, developing analytics system for SEO insights, and designing priority ranking algorithms for resource allocation

Software Engineer (Work Placement)

MyHabit, Venlo
Working on habits tracking web application utilizing no-code technologies and transitioning to code-based development with WordPress, N8N, Baserow, and PostgreSQL

Junior Software Engineer

Genzai B.V., Venlo
Developing FastAPI backend systems following SOLID design principles for demand sensing platform, integrating R library for data manipulation, and mentoring interns

Software Engineer

ViaLuxury

Other

50-250 team member

• Continued development after internship of the back end for the ViaLuxury platform, supporting hotel onboarding, updates, and package management
• Refactored and extended existing backend code with focus on separation of concerns and layered application design
• Worked on database development and modifications and validated changes through testing
• Worked on cloud-deployed backend services supporting production usage
• Later worked on the backend of a demand sensing platform for Agnicio using FastAPI and Python

Software Engineer (Internship)

Genzai B.V., Venlo
Backend design and development for automating hotel onboarding processes using FastAPI and PostgreSQL, employing best practices in software architectural design and unit testing

Software Engineer

Boosting Alpha B.V., Venlo
Conducting research project on KYC processes, analyzing pricing structures of cloud platforms for cost-effectiveness and platform selection decisions

Portfolio

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