Backend Software Engineer - Codex for Finance

The role

You will build backend systems, data systems, agentic workflows, and enterprise integrations for AI products in financial services. You will work to bring new capabilities from idea to production for large financial institutions.

What you will do

• Design and build backend systems that power AI-native financial workflows across ChatGPT Work and Codex.
• Build infrastructure to ingest, index, retrieve, and serve financial data, company filings, market information, and firm-specific knowledge at scale.
• Develop integrations with financial data providers, enterprise knowledge systems, and customer environments.
• Build systems for models and agents to use tools and data, preserve source provenance, and produce accurate outputs.
• Improve reliability, latency, observability, and quality of production systems.
• Develop evaluations that measure performance on real financial workflows.
• Work directly with financial institutions to understand customer needs and unblock deployments.
• Partner with product, design, research, security, and other engineering teams.

Required qualifications

• 5+ years of professional software engineering experience
• Strong track record of building and operating production backend systems
• Proficiency in one or more backend languages, such as Python, Go, Rust, or TypeScript
• Strong foundation in APIs, data systems, and distributed systems
• Experience building data-intensive applications, search or retrieval systems, infrastructure platforms, or complex integrations
• Strong product instincts
• Ability to move from an ambiguous customer problem to a practical, well-engineered solution
• Comfort working across the stack and organizational boundaries
• High bar for reliability, security, privacy, and performance

Nice to have

• Direct AI/ML or financial services experience
• Experience as a founder
• Early engineer at a startup
• Engineer who has helped build a new product from scratch

About the company

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. OpenAI for Financial Services is part of OpenAI's Verticals organization.