Founding Senior Backend Engineer

About Us
We’re Stimuler, an early-stage AI startup focused on transforming language learning. Our AI tutor provides real-time interaction, adapting to users’ speech inputs to build fluency faster. We’re looking for a Founding Backend Engineer to architect and scale our core infrastructure.

Role & Impact
In this role, you will design, develop, and maintain the backend systems that power our AI tutor. You’ll work at the intersection of AI infrastructure, distributed systems, and real-time data processing—shaping the technology and the team as we grow.

Key Responsibilities

1. Infrastructure & Architecture

   • Design and scale distributed systems for real-time speech processing.

   • Own data pipelines from ingestion to model serving.

   • Ensure security, privacy, and compliance for user speech data.

2. Performance & Reliability

   • Implement robust monitoring, logging, and alerting for 24x7 availability.

   • Optimise system performance and scalability.

3. Team Leadership & Collaboration

   • Mentor junior engineers and work closely with AI/ML teams.

   • Contribute to hiring efforts as we expand.

Must-Have Requirements

• Experience: 6+ years in backend or platform engineering (focus on distributed systems).

• Cloud & Containers: Proficiency with Docker, Kubernetes, and AWS (or similar cloud platforms).

• Real-Time Streaming: Familiarity with audio/video streaming in high-availability, auto-scaling environments.

• Databases: Strong SQL skills (PostgreSQL preferred), including query optimization, schema design; caching layers (Redis, Memcached).

Good-to-Have Skills

• AI/ML Pipeline: Exposure to GPU resource management and distributed tools (e.g., Rayserve).

• Domain Experience: B2C mobile backend knowledge.

• Cloud Expertise: AWS, Azure, GCP, or multi-cloud strategies.

Security & Compliance: Understanding of GDPR, CCPA, and data governance best practices.

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