Founding backend engineer architects scalable AI-powered services, agent orchestration, and voice AI pipelines for automated market due diligence platform. Requires 3+ years Python backend, production APIs, LLMs, PostgreSQL, and async systems expertise.
160k – 200k/yr
On-site3+ YOEBackend Engineering
About the role
Responsibilities
Build new product features and experiences end-to-end, from database models to API endpoints, integrating with UI components for web and AI Voice Agent Application.
Design and build new AI-powered modules from scratch (e.g., market sizing, competitive analysis) for the research platform.
Build and own product foundations (AI agent orchestration, voice AI pipelines, app and API performance, intelligent automations).
Architect scalable backend services with complex async processing and background task orchestration.
Apply learnings from each project to improve the product continuously.
Qualifications
3+ years of professional Python backend experience.
Strong expertise building production APIs (FastAPI, Django, or similar).
Experience building agentic systems with LLM platforms (Anthropic, OpenAI, or similar).
Deep hands-on experience with LLMs in production - building reliable agentic systems.
Experience with PostgreSQL and SQL database design.
Understanding of async programming, job queues, and distributed systems.
Experience with background task orchestration and async processing workflows.
Bonus
Experience with Anthropic Claude API and Agent SDK.
Familiarity with agent orchestration frameworks.
Background in AI/ML systems or voice AI.
Familiarity with vector databases and semantic search (pg_vector, etc.).
Experience with Supabase or similar Backend-as-a-Service platforms.
Build and maintain scalable backend services and distributed systems for audio data pipelines at a Series B audio AI startup. Requires 3+ years backend experience with strong distributed systems and cloud infrastructure skills.
160k – 200k/yr
On-site3+ YOEBackend Engineering
Software Engineer, Integrations
JuiceboxSan Francisco, CA
Builds and owns external integrations like ATS, mailbox, and SSO to enable reliable customer value. Requires strong engineering fundamentals, API/integration experience, debugging skills, and high ownership in ambiguous environments.
160k – 250k/yr
On-siteBackend Engineering
Software Engineer, Treasury
LithicUnited States
Builds and maintains backend services for treasury operations, including ledger, ACH/wire infrastructure, and reconciliation systems. Uses Python and AWS stack to ensure high reliability in funds flow between Lithic and financial institutions.
160k – 200k/yr
RemoteBackend Engineering
Software Engineer, Voice Agents / AI - Deepgram for Restaurants
DeepgramSan Francisco, CA +1
Build scalable backend systems for restaurant voice AI agents, integrating ML models, POS systems, and optimizing for noisy environments. Requires 4+ years backend experience, cloud infrastructure, and AI familiarity.
160k – 250k/yr
On-site4+ YOEBackend Engineering
Backend Engineer, Agent Collaboration Platform
HebbiaNew York, NY +1
Backend engineer building high-scale agent collaboration systems and document indexing infrastructure for an AI platform serving finance professionals. Requires 5+ years backend experience with Python/Java/Go, AWS, and distributed systems.