➡️ Apply here: Senior Backend Developer
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We are building VertoX – an AI-powered real-time voice translation platform.
The product is preparing for launch, and the company is being incorporated in the USA (Delaware).
We are looking for a strong Senior Backend Developer to join the core team and take ownership of the backend infrastructure.
This is a startup core-team role, not a short-term contract.
Important notes:
The product launch is coming very soon
We need long-term commitment – this is not a temporary project
If you join the team, we expect stability and responsibility
You will work directly with:
AI/ML Engineer
React Native Developer
Founder
Strong teamwork and communication are required
Requirements:
Languages & Frameworks
Strong proficiency in Python (FastAPI) or Go (Gin/Fiber/Echo)
Experience building high-performance backend services
Clean architecture and production-ready code practices
Real-Time Technologies
Hands-on experience with WebRTC and WebSockets
Understanding of STUN/TURN servers and real-time communication flows
Experience working with audio codecs and formats: Opus, PCM, WAV
Experience with real-time streaming pipelines
Knowledge of low-latency system design
AI & Voice Technologies:
Integration of ASR/TTS/Translation APIs
(OpenAI, Deepgram, Azure, Google, or similar)
Real-time audio streaming processing
Understanding of low-latency voice processing
Experience with voice-related APIs and AI services
Databases:
Strong knowledge of PostgreSQL
Experience with Redis (caching, queues, rate-limiting)
Familiarity with ClickHouse is a plus
Architecture:
Proficiency with Docker and Docker Compose
Experience setting up CI/CD pipelines (GitHub Actions or similar)
Linux server management and optimization
Experience with microservices architecture
Monitoring tools: Prometheus, Grafana
API & Security:
Building and maintaining REST and WebSocket APIs
Experience with JWT, OAuth, and authentication systems
API security and encryption
Managing and storing:
audio files
transcripts
user history
Integrations:
Experience with Twilio / Vonage or telephony systems – big plus
Soft Skills:
Ability to work in a fast-moving startup environment
Strong problem-solving and architectural thinking
Responsibility and ownership mindset
Attention to detail
Ability to suggest improvements and optimize systems
Team-oriented communication
What we offer:
Equity: 1% – you become a part-owner of the company
Core long-term role in the founding team
Direct involvement in product launch
Work on a global AI product from day one
Close collaboration with AI/ML and mobile teams
Commitment:
This is an early-stage startup role.
We expect dedication, responsibility, and long-term involvement.
If you are not ready to commit after joining, this role is not for you.