Senior AI Engineer (Fintech)

TL;DR

Senior AI Engineer (Generative AI): Driving the adoption of cutting-edge Generative AI technologies to transform operations and innovation with an accent on designing, building, and deploying AI solutions that enhance products and streamline business processes. Focus on researching, validating, and delivering high-impact Generative AI use cases and architecting scalable AI infrastructure.

Location: Hybrid in London, requiring three days per week in the office

Company

hirify.global is a global fintech company powering billions of transactions annually for major businesses like eBay and Uber Eats, with London as its HQ.

What you will do

• Partner with product managers, data scientists, and engineers to research, validate, and deliver high-impact Generative AI use cases.
• Design and build APIs and microservices to integrate AI capabilities into internal and external workflows.
• Develop, fine-tune, and deploy LLM-based applications (e.g., chatbots, assistants, knowledge extraction tools).
• Architect scalable AI infrastructure on cloud platforms (AWS, GCP, or Azure), leveraging containerisation and IaC.
• Implement CI/CD pipelines and enforce best practices for secure, compliant AI deployment.
• Continuously optimise performance, reliability, and scalability of AI systems.

Requirements

• Hands-on experience with LLMs (e.g., GPT, BERT, Llama, Gemini) and applying them to real-world problems.
• Strong backend engineering expertise, including RESTful APIs and micro-services design.
• Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., LangChain, PydanticAI).
• Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes), and Infrastructure-as-Code (Terraform).
• Proven problem-solving skills and ability to thrive in fast-paced environments.
• Excellent communication and collaboration skills across diverse teams.

Nice to have

• Proficiency in C# or Java.
• Frontend development experience with JavaScript/TypeScript and frameworks such as React.
• Experience developing Generative AI applications, including model fine-tuning and prototyping.
• Familiarity with distributed systems and large-scale data processing.
• Experience in the payments industry.

Culture & Benefits

• Hybrid working model with three days per week in the office to support collaboration and connection.
• Opportunity for real ownership, fewer blockers, and work that makes a difference from day one.
• Ambitious environment offering career-defining opportunities in fintech.
• Inclusive team culture that values diversity and supports mutual success.
• Commitment to setting up employees for success and making the hiring process accessible.