01
Tagrise Technologies UAB
Lithuania-registered technology company behind Tagrise, focused on artificial intelligence products, intelligent tools, product strategy, interface systems, and scalable technical execution.
[ lazy, yet creative / developer / founder / systems builder ]
Building smart products without making things unnecessarily complicated.
I’m Joy Kalyan — lazy enough to avoid pointless complexity, creative enough to build systems that actually work. I lead Tagrise Technologies UAB, tagOS Technologies UAB, Novastra Technologies Limited, and Srihatta Kitchen, working across AI products, data annotation platforms, software development, infrastructure, brand identity, and practical digital experiences.
mode
Lazy thinking
output
Creative systems
focus
Clean execution
terminal
status: online
$ whoami
Joy Kalyan / CEO / Software Developer
$ motto
Lazy, yet creative.
$ operating_mode
Solve the real problem. Remove unnecessary work. Ship the useful thing.
$ venture_stack
Tagrise Technologies UAB / tagOS Technologies UAB / Novastra Technologies Limited / Srihatta Kitchen
$ domain_map
tagrise.tech / tagrise.technology / tagrise.ai / tos.rest / tos.technology / tos.school / novastra.tech / srihatta.kitchen
$ footprint
Europe and Bangladesh / Vilnius, Dhaka, Sylhet City
$ next
Building intelligent tools with less noise and better execution
[ about ]
Practical engineering with a creative operator mindset.
I like building things that feel simple on the outside but are strong underneath. My work sits between software engineering, product strategy, technical leadership, AI operations, infrastructure, brand execution, and business operations.
The “lazy” part is intentional: I prefer smarter systems, cleaner workflows, fewer unnecessary steps, and solutions that reduce effort instead of creating more of it. The creative part is how I turn those systems into products, platforms, brands, and digital identities that people can actually use.
[ companies ]
Companies, platforms, and ventures
02
tagOS Technologies UAB
Lithuania-registered AI data annotation and tagging company focused on software development, tagging support, and training. tagOS builds tools for annotation workflows, supports tagging operations, and trains newcomers through its dedicated learning center.
03
Novastra Technologies Limited
Dhaka-based technology company focused on software systems, digital infrastructure, modern web products, backend architecture, deployment workflows, and future-facing technical execution.
04
Srihatta Kitchen
Sylhet City based restaurant venture focused on food, brand identity, digital presence, customer experience, and structured operational execution.
[ expertise ]
Where I create value
AI Product Development
Data Annotation Systems
Product Strategy
Backend Architecture
API Design
Infrastructure & Deployment
Dashboard Systems
Developer Tooling
Brand Systems
Technical Execution
Training Operations
Support Systems
[ operating footprint ]
Multi-city presence across Europe and Bangladesh.
My work connects overseas technology operations with local execution — spanning Lithuania-registered companies in Europe, software development in Dhaka, and hospitality operations in Sylhet City.
Europe
Vilnius, Lithuania
International technology presence through Tagrise Technologies UAB and tagOS Technologies UAB.
Bangladesh
Dhaka
Software, infrastructure, technical operations, and product execution through Novastra Technologies Limited.
Bangladesh
Sylhet City
Local hospitality, food, brand, and customer experience work through Srihatta Kitchen.
[ contact ]
Let’s build something clever, useful, and clean.
I work across software, AI, data annotation, systems, digital products, brand execution, and selected venture operations. Open to focused collaborations, strategic work, and ambitious technical projects.