Full-Stack AI engineer

Now boarding: Your career in travel is ready for take-off.

Corporate Travel Management (CTM) is undergoing an exciting period of growth as worldwide travel returns. If you’re ready to embark on a career with a global leader in business travel, we want to hear from you.

At CTM, our people are at the heart of everything we do. We know that our diverse team is the reason CTM is the award-winning TMC we are today, which is why recruiting like-minded travel enthusiasts is an important part of our business’ success and growth.

About CTM

CTM is an award-winning provider of travel service solutions spanning corporate, events and sports markets. Headquartered and founded in Australia, CTM has offices all around the world, including Europe, Asia, North America, Australia and New Zealand. www.travelctm.co.uk

About the Role

We are looking for a talented Full Stack JavaScript Developer with strong AI and Generative AI skills to join our team. In this role, you will design, develop, and deploy cutting-edge applications that leverage Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) architectures. You will work across the entire stack using modern JavaScript/TypeScript technologies to build intelligent, scalable solutions.

Key Responsibilities:

• Design, develop, and maintain full-stack web applications using React, Next.js (frontend) and NestJS (backend)

• Build and deploy RAG-based applications integrating LLMs (e.g., OpenAI, Anthropic Claude, open-source models)

• Implement vector databases and embedding pipelines for semantic search and knowledge retrieval

• Develop RESTful and GraphQL APIs with proper authentication, authorization, and security best practices

• Integrate AI capabilities into existing products and workflows to enhance user experience

• Optimize application performance, including prompt engineering and LLM response optimization

• Collaborate with cross-functional teams including product, design, and data science

• Write clean, maintainable, and well-documented code with comprehensive test coverage

• Stay current with emerging AI/ML technologies and contribute to technical decision-making

• Support team development by conducting AI/GenAI training sessions, sharing best practices, and mentoring developers on LLM integration and RAG implementation

Technical Skills:

• 3+ years of professional experience with JavaScript/TypeScript

• Strong proficiency in React.js and Next.js (App Router, SSR, ISR)

• Solid experience with NestJS framework (modules, services, controllers, guards, interceptors)

• Experience with relational databases (PostgreSQL, MySQL) and ORMs (TypeORM, Prisma)

• Familiarity with NoSQL databases (MongoDB, Redis)

• Proficiency with Git, CI/CD pipelines, and modern development workflows

AI & Generative AI Skills

• Hands-on experience building applications with LLMs (OpenAI API, Anthropic, LangChain)

• Understanding of RAG architecture patterns and implementation

• Experience with vector databases (Pinecone, Weaviate, Chroma, pgvector…)

• Knowledge of embedding models and text chunking strategies

• Understanding of prompt engineering techniques and best practices

Nice to Have :

• Experience with containerization (Docker, Kubernetes)

• Experience with real-time features (WebSockets, Socket.io, Server-Sent)

Join our crew and help CTM take flight. Apply now and pack your skills for a business travel journey that promises growth, discovery and plenty of first-class moments.

What to expect from the recruitment process

• Every hire starts with a chat with our Talent Acquisition team, if your profile is selected you will be contacted by phone or email (please check your spam folder);
• Then, if you are progressing, the hiring manager will invite you to an interview, usually on Teams;
• If you are successful we will invite you to our office for a final stage interview.

Wherever possible we will provide you with feedback, however we are a small team and often we won't be able to do so until after we fill the vacancy.

CTM is a responsible employer and is dedicated to conduct thorough right to work checks in the interests of both parties, candidates and the company. Candidates selected and invited to an interview will be invited to a mandatory 15 min call with the TA lead to produce their RTW documents. This call is a mandatory step for all candidates regardless of their RTW status. This call is confidential and conducted by HR professionals only.

CTM is an equal opportunity employer. We want to make sure our entire recruitment process is accessible to everyone. If you need accommodations at any stage of the application or interview process, please let us know: as a Disability Confident Employer, we’re here to support you in any way we can. Do not hesitate to connect with our Recruitment team if you need to discuss arrangements.

Reward & Recognition

Our learning platform CTM Learning, our annual conference the All Stars, our High-Performance programme and a global leadership programme.

Employee Wellbeing and Flexibility

Our wellbeing platform Vitality, our Employee Assistance Programme (EAP), our new private healthcare Medicash + our mental health first aiders.

Most of our roles offer a hybrid working pattern, with 3 days per week in the office. Where permitted and depending on the role, we can offer flexible start and finish times to suit your other commitments and support a healthy work-life balance. We are committed to finding a setup that works for you and the business.

Sustainability Focus

Principles of Governance, People, Planet, and Prosperity, CTM’s Sustainability Strategy identifies material issues and outlines initiatives to achieve this.

CTM is the Data Controller with respect to the personal information you provide during your application. We will use this information solely to process your application, and our legal basis is that you are considering taking up an employment contract with us. We may share this information with our parent company in Australia, but otherwise we will not disclose it to any other organisation. If you take up employment with us, we will keep the information for the duration of your employment, otherwise we will destroy it 2 months after the post is filled.

All the information that we ask for in application forms has to be completed for your application to go ahead. There is no profiling or automated decision making applied to the personal information you supply. You have all the legal rights with your personal data as laid out in the General Data Processing Regulation (GDPR) and the Data Protection Act 2018, including the right to complain to the Information Commissioner’s Office. Our Data Protection Officer may be contacted at EU.DPO@travelctm.com

Please note that this role requires a security clearance process (you must have lived in the UK for 5 consecutive years to be eligible) and a DBS check. Do not apply if you are not willing to undergo these conditional background checks.

You can read about SC on the government site - National security vetting: clearance levels - GOV.UK

Be aware that upon appointment we will run a risk assessment of your home work set up to ensure it is suitable for you from a Health & Safety point of view.