Software Development Engineer II (AI/ML)

Location: London, United Kingdom

Company

hirify.global is a global travel company operating consumer brands, a B2B travel network, and travel advertising businesses.

What you will do

• Design, build, test, and maintain reliable software components for customer and business outcomes.
• Develop model-lifecycle services supporting training, registration, deployment, serving, and monitoring.
• Create low-level designs, APIs, data models, and integrations for scalable, secure, and dependable services.
• Investigate technical issues and improve system performance, reliability, monitoring, and operational excellence.
• Collaborate with engineering, product, and technical partners across multiple problem spaces.
• Safely integrate and operate AI/ML-enabled solutions in production-oriented software systems.

Requirements

• Bachelor’s degree in computer science, engineering, or a related technical field, or equivalent practical experience.
• Professional software engineering experience appropriate to an SDE II role.
• Experience owning and delivering features or components within a service or defined technical area.
• Proficiency in coding, testing, debugging, version control, API design, data modeling, and low-level system design.
• Experience working with cross-functional partners to deliver, operate, and improve production software.
• Experience with Python, Go, TypeScript, and Kubernetes is expected for the Model Lifecycle team.

Nice to have

• Experience designing and operating reliable services at scale with a focus on performance, availability, security, and maintainability.
• Experience with monitoring, logging, metrics, and data-driven technical analysis.
• Exposure to AI/ML-enabled products, developer tools, or workflows.
• Experience contributing to architectural decisions and delivering solutions across multiple technology areas.

Culture & Benefits

• Supportive environment focused on growth, ownership, technical excellence, and collaboration.
• Opportunity to work on services used by hundreds of models across Expedia, Vrbo, and Hotels.com.
• Use of coding agents such as Cursor and Claude Code to accelerate development, testing, code review, and documentation.
• Accessibility and accommodation support is available during the recruiting process.