Senior Software Engineer AI (Fintech)

TL;DR

Senior Software Engineer AI (Fintech): Building backend foundations for AI-native product experiences with an accent on orchestration, context management, and reliable LLM integration. Focus on designing scalable, production-grade services that enable agentic workflows within a complex fintech ecosystem.

Location: Must be based in or able to work from Paris, London, or Barcelona (Hybrid)

Company

hirify.global is a leading AI-powered spend management and procurement platform that simplifies financial operations for thousands of companies across Europe.

What you will do

• Design and operate backend services powering conversational and agentic AI features.
• Implement robust patterns for LLM integration via AWS Bedrock, including tracing and cost management.
• Partner with Staff Engineers to define architectural standards for AI-native product experiences.
• Build orchestration layers for multi-step workflows, tool invocation, and rich content processing.
• Ensure high standards of observability, security, and performance for production-grade AI services.
• Collaborate cross-functionally with ML engineers, product managers, and designers to deliver impactful features.

Requirements

• Significant backend software engineering experience in production environments.
• Strong proficiency in TypeScript/Node.js or adjacent technologies.
• Fluent in written and spoken English.
• Experience designing scalable, resilient distributed systems.
• Practical experience or strong interest in integrating LLMs into production systems.
• Ability to work effectively in a hybrid setup in Paris, London, or Barcelona.

Nice to have

• Experience with conversational or agentic AI systems.
• Experience integrating LLMs with tool-calling and evaluation loops.
• Background in fintech, SaaS, or regulated environments.
• Experience with rich content processing or multimodal service design.

Culture & Benefits

• Flexible hybrid work policy with regular in-person collaboration.
• Latest Apple equipment provided.
• Access to Moka.care for emotional and mental health support.
• Location-specific benefits including health insurance, meal vouchers, and gym memberships.
• Positive, collaborative team environment focused on impact and ownership.

Hiring process

• HR screening call.
• Discussion with the Hiring Manager.
• Technical interview, live coding, and/or system design.
• Final interview with leadership.