Backend Engineer

Sax Ai
Chiva, Spain
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate

Job location

Chiva, Spain

Tech stack

API
Artificial Intelligence
Amazon Web Services (AWS)
Software Quality
Software Debugging
DevOps
Django
Python
PostgreSQL
Software Architecture
Redis
Large Language Models
Backend
Information Technology
Celery
Terraform
Docker

Job description

  • 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

Requirements

  • 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

Benefits & conditions

  • 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

full_time

Organization Sax AI

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