Express.Js, Oauth2, PostgreSQL, Jwt, Node.js, Linux Commands, Javascript, Docker, MongoDB, Restful Apis, Nestjs, Microservices architecture

Aws Lambda, Node.js, Sql

Data Modeling, Database Design, Logging, Typescript, Distributed Systems, Application Monitoring, Node.js, PostgreSQL, observability, API design principles, cloud-native applications, AWS cloud infrastructure, API performance tuning, concurrency management, performance management tools, backend architecture, large-scale data processing, caching strategies

Rtp, Django, Express.Js, Linux, Asterisk, Node.js, MySQL, FastAPI, Python, Rest API Development, Git, PostgreSQL, SIP, VoIP technologies, Kamailio