Position: Senior Back-End Developer
Company: mobilunity.com
Experience required: 5y
English level: upper

The product is a webinar and video conferencing platform for remote work or online events organization. It is the first web-video platform that allows people to have face-to-face networking online just like in-person events that build meaningful relationships and conversations.

Currently, it has around 1000 of subscribed users with an even bigger number of guest users. The startup is quickly gaining its popularity especially taking into account how the lives of people have been affected by Covid-19. It suits well for corporate activities, becoming a remote office for numerous companies around the world, as well as for educational events, various conferences and networking.

“Made by a remote team, our platform makes it dead simple to create a delightful, immersive virtual space that empowers people to communicate, connect, and collaborate with each other just like they would in real life.“
**Unique Features include:**
- HD Video & Audio
- Virtual business cards
- Group Screen sharing
- Polls, Q&A Voting
- Countdown timers for speed networking etc.

Nowadays, the project is on the development phase (the product has already been released and is being actively used, it is in the process of improvement and adding new features). Although the founder and the CTO reside in Hong Kong, all the international team is working remotely from their countries, which include Canada, the USA, Hong Kong etc. 

The current development team of the project consists of 4 devs including the CTO, 1 Product designer and 2 QA engineers  + 2 developers that have just joined the team. They are aiming at doubling their team for further product development.
The team in Ukraine will be in contact with other distributed team members and will be managed by the CTO.

**In order to reinforce their dev team, they'd like to hire 2 experienced Back-End Developers who should possess:**
- Strong knowledge of Cloud Service, e.g. AWS and GCP
- Expert in developing RESTful APIs with Node.js, at least 5 years of experience
- Expert in MongoDB Cluster
- Expert in database optimization
- Expert in designing a highly scalable architecture
- Expert in designing high traffic application architectures
- Expert in micro-services system design
- Expert in Web application development, at least 5 years of experience in maintaining a living and complex codebase with modern stacks
- Experience in writing unit tests for the features
- Experience in CircleCI/TravisCI
- Good knowledge/ability to learn webRTC communications and pitfalls
- Good at understanding task/feature value and able to explain to team members
- Good at making quick decisions for tasks
- Solid Production debugging skills
- Worked in real-time application projects with Firebase or Websocket
- Scrum

**Please be aware that this position considers an hourly test-task and the interview with the CEO and devs team.**