Available to hire
I’m Domen Kovacic, a backend-focused software engineer with professional experience building production-grade systems using Java, Python and TypeScript. I enjoy tackling scalable backend architectures, real-time transactional systems, event-driven designs, API engineering and observability tooling across gaming and geospatial infrastructure environments.
I’m a ownership-minded engineer who thrives in roles spanning backend development, deployments, production debugging, monitoring, and infrastructure tasks. I’m particularly interested in scalable backend systems, distributed architectures, API engineering and long-term maintainability.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Self-employed Barber / Hairdresser / Freelance Back End Developer at Kodajo da / Brivnica Kavalis SP
July 1, 2017 - May 10, 2022Founded and operated an independent barbershop, managing all aspects of business operations. Delivered professional hair cutting, beard grooming, and styling services while maintaining loyal returning clientele. Handled inventory management, appointment scheduling, customer relations, and financial transactions. Implemented strict hygiene and safety standards. Also independently managed end-to-end web/backend projects for diverse clients, focusing on web/mobile applications and backend systems; designed relational databases with MySQL and PostgreSQL.
Back End Developer at Quantec d.o.o.
May 10, 2022 - August 15, 2024Back-end development and maintenance of Earthquake prediction software using Python and TypeScript. Front-end development and maintenance using React, React Native and Flask. IT support and operations management, including MikroTik, UniFi technology and Nginx. End-to-end design and maintenance of server security and monitoring system. Independent Python development and deployment of an automated error-detection and reporting system, ensuring continuous and efficient infrastructure management. Collaboration in planning and implementing new features and functionalities. Development and maintenance of websites using MODX Open-Source CMS and WordPress CMS.
Full Stack Developer at Bragg d.o.o.
August 16, 2024 - February 6, 2026Developed complex Java-based back-end solutions for an aggregation platform, managing payments, free rounds, and transactional logic. Maintained game client middleware back-end and front-end using JavaScript, enabling processing of game events between wallets, game providers, and operators. Integrated third-party wallet systems into backend infrastructure. Designed and implemented a standardized default API for game events on the game client middleware, enabling new back-end integrations without requiring further code changes.
Freelance Backend Developer at Self-Employed
January 1, 2017 - May 1, 2022Independently delivered backend and web solutions for multiple clients, designed and developed APIs, backend systems and relational databases (PostgreSQL, MySQL). Managed complete project lifecycle from planning to deployment and maintenance. Worked directly with clients to translate business requirements into technical solutions. Also designed and implemented an internal observability and monitoring platform using Python and Grafana for realtime server health monitoring, plus automated monitoring/reporting to improve infrastructure visibility and operational awareness. Worked across backend development, deployments, monitoring and Linux-based infra.
Back End Developer at Quantectum d.o.o.
May 1, 2022 - August 1, 2024Developed backend systems for earthquake prediction and geospatial monitoring software using Python and TypeScript. Worked with real-time geospatial data, tectonic movement processing and geolocation systems. Participated in quantum-compute-assisted backend processing used for earthquake prediction calculations and location analysis. Participated in backend feature planning, debugging and maintainability improvements.
Full Stack Software Engineer at Bragg d.o.o.
August 1, 2024 - February 1, 2026Developed and maintained Java-based backend services for a large-scale transactional aggregation platform handling real-time game events, payments and provider integrations. Designed and implemented a standardized middleware API system for game event processing, enabling future provider integrations without requiring additional client-side code changes. Worked on event-driven backend systems responsible for communication between operators, wallets and external game providers. Integrated and maintained multiple third-party provider systems within production backend infrastructure. Participated in deployments, production debugging, hotfixes and backend reliability improvements in high-volume production environments. Worked with Kafka-based event processing systems, Docker, Kubernetes and CI/CD pipelines. Collaborated on backend architecture improvements with focus on maintainability, scalability and integration stability.
Education
Course at Frontend Masters
January 11, 2030 - May 17, 2026Course at Frontend Masters
January 1, 2025 - May 17, 2026Specialization at University of Michigan (Coursera)
January 1, 2023 - May 17, 2026Workshop at ETH Zürich / ETHERISC
January 1, 2023 - May 17, 2026Qualifications
Industry Experience
Software & Internet, Professional Services, Gaming, Media & Entertainment, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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