Senior Software Engineer (AI)

TL;DR

Senior Software Engineer (AI): Building and testing new AI-driven product experiences for travel discovery with an accent on rapid experimentation and intelligent prototyping. Focus on exploring conversational trip planning, AI-powered personalization, and new search paradigms using LLMs to influence product direction.

Location: Hybrid in Manchester, must be in the office 2 days per week (usually Tuesday & Wednesday).

Company

hirify.global is one of the UK's largest online package holiday specialists, with significant opportunities for growth.

What you will do

• Design and build lean, high-impact prototypes to test hypotheses with real customers.
• Run multiple experiments each quarter using approaches like fake-door tests, rapid prototypes, and beta releases.
• Explore and apply modern AI capabilities, including LLMs, retrieval systems, and recommendation techniques.
• Work across the full stack: from backend services and APIs to frontend experiences.
• Collaborate with cross-functional partners to design experiments that maximize learning.
• Contribute to internal tooling, patterns, and approaches that accelerate AI adoption across engineering.

Requirements

• Strong full-stack engineering skills, with the ability to ship working software quickly.
• Experience working with modern AI/ML tools or APIs (e.g. LLMs, OpenAI, Anthropic, Bedrock or similar).
• A track record of working in ambiguous problem spaces and driving ideas forward.
• The ability to make pragmatic technical decisions with incomplete information.
• Experience building prototypes, MVPs, or working in innovation-focused environments.
• A strong product mindset (you care about customer impact, not just technical elegance!).

Nice to have

• Experience validating product ideas through experimentation (A/B testing, user research, etc.).
• Exposure to recommendation systems, search, or personalization problems.
• Experience contributing to technical direction or mentoring other engineers.

Culture & Benefits

• Flexible working hours with core hours between 10am - 4pm.
• 25 days holiday plus your birthday off.
• Generous discount on holidays, plus 2 extra days annual leave to use whilst you're away on your hirify.global package holiday.
• Access to Learnerbly learning platform, plus workshops, courses and professional qualifications.
• Regular wellbeing events and social events.

Hiring process

• Multiple stage interview process.
• One stage will be an in-person interview at our Aeroworks office in Manchester city centre.