Principal Software Development Engineer

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

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What You’ll Do on a Typical Day:

• Key areas of accountability include leading the development of nextGen Architecture Solutions for the Marketplace Team; and leading in the evaluation of new technology around Search – Semantic search, LLMs, and Vector Databases. 
• Drive overall search platform roadmap and implementations 
• Participate in the Architecture assessment and design for infrastructure domains that provide core capabilities for the Marketplace. 
• Participate in the Architecture design of integrated systems across Marketplace and GBT solutions. 
• Define which data is extracted and the rules by which it is transformed for simple to moderately complex projects. 
• Participate in nextGen technology evaluation and recommendations. 
• Participate in the development and maintenance of current and planned North Star architecture. 
• Applies a GBT-wide view to support the adoption of standards and practices and promote reuse, specifically around AI Search. 
• Participate in the design and implementation of the Marketplace data model and metadata structures. 
• Participates in the analysis of the technology industry and market trends to resolve their potential impact on the Marketplace Architecture. 
•  Ability to effectively communicate with internal and external teams that include business partners and third-party vendors. 
• Guides engineers and resources on the techniques and approaches used in design processes. 
• Resolves moderately complex issues that occur on the Search platform roadmap and design processes. 
• Communicates with stakeholders and business partners to elicit and gather client requirements. 
• Knowledge of techniques and tools that promote effective analysis; ability to resolve the root cause of organizational problems and create alternative solutions that resolve these problems. 
• Collaborate with data engineers to curate and process large text datasets for model training  
• Integrate LLMs into product applications and build intuitive interfaces for model interaction 
• 5+ years of experience in a technical leadership role and setting technical direction. 
• 3+ years of experience working in a complex, matrixed organization involving cross-functional, and/or cross-business projects 

What We’re looking for:

• The position requires a four-year degree from an accredited college or university in computer science, information technology, or related field or equivalent work experience. 
• 10+ years of relevant engineering experience 
• Exposure to Large Language Models (Open AI LLMs), AI app development frameworks, Vector databases, and NLP 
• Experienced with open-source search technologies that may include Elasticsearch or Solr. 
• Hands-on coding experience with Java and Spring framework. 
• Expertise with Search engine optimization, mapping user journeys, search relevancy, and high availability architecture 
• eCommerce platform experience.  
• Metadata, taxonomy, and search integration experience 
• Strong demonstratable experience delivering components, products, and/or experiences in public cloud and/or hybrid ecosystems. 
• Cloud development experience that may include AWS, Azure, etc. 
• In-depth understanding and experience in two or more of the following: complex e-commerce applications, substantial real-time event and message processing, data lakes, cloud data processing, SQL, and NoSQL data modeling. 
• Strong understanding of Agile SDLC implementation in proud eco-system including environments management, test automation, peer review, CI/CD, optimization, etc. 
• Must have excellent communication skills and be able to deal with critical issues, mentor and coach, and/or persuade others on new technologies, new applications, or potential solutions. 

Location

The #TeamGBT Experience

Work and life: Find your happy medium at Amex GBT.

• Flexible benefits are tailored to each country and start the day you do. These include health and welfare insurance plans, retirement programs, parental leave, adoption assistance, and more.

• Travel perks: get a choice of deals each week from major travel providers on everything from flights to hotels to cruises and car rentals.

• Develop the skills you want when the time is right for you, with global tuition assistance, access to over 20,000 courses on our learning platform, leadership courses, and new job openings available to internal candidates first.

• We strive to champion Diversity, Equity, and Inclusion in every aspect of our business at GBT. You can connect with colleagues through our global Inclusion Groups, centered around common identities or initiatives, to discuss challenges, obstacles, achievements, and drive company awareness and action.

• Wellbeing resources to support mental and emotional health for you and your immediate family.

• And much more!

This role is for Egencia LLC (“Egencia” or the “Company”), a member of the American Express Global Business Travel family of companies.

All applicants will receive equal consideration for employment without regard to age, sex, gender (and characteristics related to sex and gender), pregnancy (and related medical conditions), race, color, citizenship, religion, disability, or any other class or characteristic protected by law.

Furthermore, we are committed to providing reasonable accommodation to qualified individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the hiring process. For details regarding how we protect your data, please consult GBT Recruitment Privacy Statement.

What if I don’t meet every requirement? If you’re passionate about our mission and believe you’d be a phenomenal addition to our team, don’t worry about “checking every box;" please apply anyway. You may be exactly the person we’re looking for!