Sax AI

Sax AI automates KYC customer onboarding and ongoing compliance reviews for banks and KYC service providers. It uses AI agents combined with human oversight to execute onboarding, ongoing reviews,…

Agentic layerAI agentsAI-led BPOsInvestment Bankshiresax.ai

Sax AI

Sax AI automates KYC customer onboarding and ongoing compliance reviews for banks and KYC service providers. It uses AI agents combined with human oversight to execute onboarding, ongoing reviews,…

Agentic layerAI agentsAI-led BPOsInvestment Bankshiresax.ai

HQLondon, GB

Team Size8

Open Jobs2

Total Funding$2M

Latest Fundraise9 months ago

Join the Team

Sr Backend Eng

RemoteES

Remote • ES

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About Sax AI

Sax AI is building AI agents for compliance in investment banks in London. Sax AI delivers superhuman KYC (Know Your Customer) with AI agents executing and human KYC officers overseeing. We help banks outsource their KYC, 10x faster and 10x cheaper.

What You'll Do

Build and optimize AI agents for compliance workflows using Python and LLMs
Integrate with external data providers and with banks' internal systems
Architect async task pipelines for complex, long-running compliance checks
Develop APIs for the front-end application
Contribute to architectural decisions that enhance system performance and reliability
Write clean, maintainable, strictly-typed code that meets enterprise security and compliance standards

Tech Stack

Python with mypy, Django, Celery
PostgreSQL with pgvector, Redis
AWS, Docker
LLMs: Claude, Gemini

Qualifications

3+ years building backend systems in Python
Strong software design and architecture, and domain modeling
Experience designing APIs and with async/background job processing patterns
Strong problem-solving abilities and systematic debugging approach
Care about code quality, testing, and maintainability
Bachelor's degree in Computer Science, Engineering or related field

Nice to Have

Experience building enterprise SaaS applications
DevOps experience: Terraform, AWS, infrastructure-as-code, CI/CD pipelines
Financial services, KYC/AML, or regulatory compliance domain knowledge
Experience with agentic AI systems, document processing/OCR pipelines

What Makes This Role Interesting

Build AI agents that automate days of analyst work into minutes, in a high-stakes financial domain
Work directly with investment banks on real compliance workflows
Shape the architecture of a complex AI system in a fast-growing startup with enterprise clients
A competitive salary with generous Stock Options.