Hardsun

Hardsun is a Czech-based software development company that works across full-stack custom development, from architecture through deployment. The outfit specializes in cloud-native applications, real-time systems, and complex domain problems—particularly computer vision, industrial software, and HR/process management. Their portfolio spans live surveillance platforms with machine learning, 3D modeling for manufacturing, real estate visualization tools, and SaaS analytics. All engineers are university graduates. The company emphasizes direct communication, selective project intake (they say they "don't take just any project"), and distributed work with no fixed hours or time zones.

Services and capabilities

Hardsun lists four core offerings: project management, coding and testing, prototyping, and deployment with maintenance. On the technical side, they work with Angular 8, React, Node.js, Python, and PHP 7.x on the frontend and backend. For infrastructure they deploy to AWS with CloudFront and DynamoDB. For specialized problems they use OpenCV and machine learning for computer vision; Three.js for 3D in the browser; Kafka for event streaming; Elasticsearch for search; Redis for caching; and PostgreSQL, MongoDB for persistence. They've built a live video surveillance platform handling thousands of concurrent camera feeds with real-time visual recognition baked in.

The company has built custom HR and process management tools—most notably Sloneek, their own product, which handles corporate attendance, vacancies, meal vouchers, and asset registration. They've also tackled Industry 4.0 applications, shipping a 3D modeling system for web browsers used to configure production line assemblies, and analytics SaaS platforms that correlate employee data with performance metrics.

Notable work

Sloneek, their in-house product, is a cloud suite for HR and process management across attendance, staffing, and asset tracking. Gearcreator is a 3D web-based modeling tool for industrial assembly line design and ordering, targeting manufacturing operations. MediaCorp is a real estate media delivery platform offering 24-hour turnaround on professional photography, video, Matterport scans, and drone footage. Hakoo is a camera security system that assigns cameras to zones and missions with time-based monitoring rules. AgentBalance is SaaS analytics for customer service teams, correlating employee parameters against performance data. Pop Valet is a car movement platform offering on-demand pickup and delivery with refueling and washing in transit. Kinomap is a sports app pairing real-world outdoor footage with indoor training, multiplayer sessions, and coached races.

How they work

Their engagement model centers on ownership: engineers and project managers adopt projects as if they were their own, staying embedded for months. The company values "radical freedom"—developers choose their workflow, time zone, and work style within a culture of mutual respect. All engineers are graduates, and knowledge-sharing is emphasized. The company operates as a "no BS zone" with open doors and direct communication. Specific pricing and minimum contract terms are not disclosed on their site.

Team and credentials

Founder and team size are not named in available materials. The company is based in Czech Republic and employs university graduates across software engineering and project management roles. No formal certifications (ISO 27001, SOC 2, GDPR) or partner badges (AWS, Microsoft) are mentioned on their public site. They describe their culture as rooted in "Slovak and Czech nature," suggesting possible dual presence, though only Czech headquarters are confirmed.