[Remote] Founding Engineer

Remote, USA
Posted Jun 13, 2026
Full-time

Note: The job is a remote job and is open to candidates in USA. Convexia is a startup focused on building innovative frameworks and evaluation systems. As a Founding Engineer, you will be responsible for developing core systems, managing product delivery, and collaborating on strategic initiatives to enhance system performance and reliability.

Responsibilities

  • Build and iterate on agentic orchestration frameworks: Develop robust systems for tool calling, routing, memory management, guardrails, provenance tracking, and failure recovery to ensure seamless agent performance
  • Design evaluation and backtesting harnesses: Create comprehensive tools for our agents and PoS model, including offline replay, regression testing, and confidence calibration to validate and refine system accuracy
  • Own end-to-end product delivery: Manage the full lifecycle from data ingestion and processing to user experience and system reliability, incorporating tight feedback loops from customers to drive rapid improvements
  • Enhance system performance and correctness: Tackle challenges with messy, real-world inputs like PDFs, tables, slides, non-English sources, and conflicting evidence to deliver reliable results
  • Partner with founders on strategy: Collaborate on the product roadmap, customer integrations, and technical direction as we transition from a platform to owning and advancing key assets

Skills

  • You've built and shipped complex backend or ML systems in production, with a bias toward reliability
  • You obsess over evaluation, observability, and failure modes
  • You thrive in ambiguity and move fast without waiting for permission
  • You communicate clearly and take ownership in low-process environments
  • You've been underestimated before
  • You've been told you're 'too intense'
  • You get bored in the absence hard problems
  • Hacker house vibes appeal to you

Company Overview

  • Convexia is an AI-native platform that finds and evaluates overlooked drug assets faster than anyone else. It was founded in 2025, and is headquartered in San Francisco, California, USA, with a workforce of 2-10 employees. Its website is https://www.convexia.bio.

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