Seasoned backend engineer building AI-powered features in Ruby on Rails, integrating with LLMs (OpenAI, Google, Anthropic) and owning zero-to-one product initiatives. Requires 6+ years experience shipping products end-to-end.
180k – 240k/yr
Remote6+ YOEBackend Engineering
Member of Technical Staff, Core Backend
VapiSan Francisco, CA
Owns the StreamModule voice pipeline (VAD→STT→LLM→TTS) for real-time call agents. Consolidates BullMQ to Kafka, hardens provider abstractions, adds OTEL tracing, and eliminates Postgres SPOFs.
180k – 265k/yr
Hybrid5+ YOEBackend Engineering
Staff Backend Software Engineer
LumafieldSan Francisco, CA
Builds and owns scalable Python backends, REST APIs, and data pipelines for cloud platform handling X-ray/CT images. Requires 10+ years backend experience, expert Python/Django, deep AWS/PostgreSQL, with mentoring and architecture leadership.
180k – 225k/yr
On-site10+ YOEBackend Engineering
Software Architect
Fusion HealthWoodbridge Township, NJ +1
Leads architectural vision and design of complex, distributed full-stack systems for healthcare software, ensuring scalability and reliability. Requires 10+ years experience with C#/.NET, Angular, cloud platforms, and influencing cross-team technical strategy.
180k – 200k/yr
Hybrid10+ YOEBackend Engineering
Member of Technical Staff - X Money
xAINew York, NY +1
Software Engineer on X Money team building scalable backend microservices and full-stack features for a global payment network serving 600M+ users. Requires 2+ years in large-scale consumer apps, proficiency in Rust/Go/Python/Java, and distributed systems expertise.