Middle/Senior Backend Developer (WebRTC, Python)

About the Project
We are developing modern SoftPhone applications for Android, iOS, and a WebRTC client, designed as an extension of our core product PortaSwitch — a Class 4 & Class 5 SIP softswitch platform.
This role offers a unique opportunity to work closely with PortaSwitch, collaborate with an experienced engineering team, grow your expertise in VoIP telephony, and contribute to a live, actively evolving product.

Team Setup
You will join a team of 7 professionals:
 

• 1 Project Manager
• 1 Senior Developer Lead
• 3 Mobile Developers
• 1 Web Developer
• 1 Backend Developer

Key Responsibilities
 

• Design and develop the server-side backend of the WebTrit system
• Build scalable, high-performance solutions supporting real-time communication services

• Collaborate with mobile and web teams to deliver seamless product functionality

   

Required Skills & Experience

• Python (strong backend development experience)
• Solid knowledge of Phoenix and Ecto
• Strong knowledge / hands-on experience with WebRTC
• Experience with PostgreSQL
• Proven experience building backend services in production

Nice to Have

• Elixir (2+ years of commercial experience)

English Level
 

• Written English is sufficient for day-to-day communication

   

We offer:

• Professional development
• Highly skilled colleagues who are ready to share knowledge
• Performance review every six months
• Paid vacations, compensatory leaves and sick leave
• Work schedule up to you: standard “office” schedule (5 day 9 till 18.00 it is Kyiv time (UTC+2/+3 ) Or flexible schedule with 12-hour shifts every three days from 8 till 20.00 or from 20.00 till 8.00.
•  English classes with the experienced teachers