Backend (Node.js) Developer (offline)

Site: https://cubedmobile.com/

About the Project:
We're looking for a responsible and passionate developer that will grow our backend team stronger. As a full-stack experienced developer you will help us design and implement our edge technology for virtual smartphones, and work closely with a global professional team of architects, developers, and QA engineers.

Main responsibilities:
* Design, develop and maintain a complex backend/web system
* Optimize applications for performance, scalability, security and UX

Requirements:
* Strong JavaScript experience
* 3+ years JavaScript experience developing backend systems, web services
* Understanding of Node.js event loop architecture
* Awareness of ECMAScript 2015-2019 features
* Backend systems for mobile-apps
* Solid knowledge of DBs, SQL and RDBMS with production experience
* Knowledge of RESTful APIs, HTTP/S
* Essential knowledge of Front-end technologies like HTML, CSS

Good to have:
* An experience as a system architect or managing a small team - advantage
* Software security background, OWASP and SDLC methodologies
* TypeScript, React.JS knowledge
* NoSQL experience – Redis, MongoDB, ClickHouse or ElasticSearch
* VOIP and SIP communication
* Participating highload and/or (micro)service-based projects
* Experience with event sourcing and CQRS

Industry:
Cyber Security and Privacy

About FirstFive

The FirstFive Company provides business
development services, while taking into account the
crucial issues of collaboration between multiple
vectors, including culture and methodology, as well
as employing the best business practices.
For the last 5 years we have been assisting
startups and established companies in launching or
extending their software applications and
development/sales teams.
We provide development services and staffing for
websites and apps.

Company website:
https://www.firstfive.com.ua/

DOU company page:
https://jobs.dou.ua/companies/first-five/