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. Ready to explore a career path? Start your journey. **Start your career journey with the AMEX GBT Neo1 team.** At AMEX GBT, we are dedicated to fostering an inclusive and diverse work environment where all team members feel valued and empowered. Our mission is to drive innovation and excellence in our products while maintaining a supportive and collaborative culture. We believe that a variety of perspectives leads to better problem-solving and more robust solutions. **Introducing the AMEX GBT Neo1 team** The Neo1 team at American Express GBT is a full-stack innovation hub, and is looking to accelerate the growth of our spend management platform while maintaining engagement of our rapidely growing customer base of SME’s. The platform serves the spending needs of SMEs (Small and Medium Enterprises) as a B2B SaaS platform currently focused in the UK and US. The core spoken language of our operational team is English, spanning members who work both remotely and from our core offices internationally. To support our continued growth as a product-led SME SaaS company, we are seeking a Full Stack Developer to join our Ecosystem team. In this role, you will design, develop, and maintain our Neo1 platform, working collaboratively with product managers, designers, and fellow developers to create scalable and efficient software solutions that drive customer success. As a Full Stack Developer, you will be responsible for both front-end and back-end development. Your tasks will include implementing intuitive user interfaces, building robust APIs, optimizing performance, and ensuring seamless integration with AWS Cloud services. You will also contribute to the continuous improvement of our development practices through code reviews, automated testing, and adherence to industry best practices. This is an exciting opportunity to shape the future of our platform as our ecosystem and customer base expand. If you are passionate about crafting innovative software solutions and thrive in a dynamic, collaborative environment, we would love to hear from you. **Role overview** We seek individuals who work smarter and faster, continually improving quality and service. They use technology to automate routine tasks and remain focused on delivering an exceptional customer experience while driving commercial outcomes for the business and partner channel. Experience in business travel, corporate payments, and finance practices is desirable. **What You’ll Do on a Typical Day** + Work with development teams and product managers to build or enhance Neo1 features + Design client-side and scalable server-side architecture in a cloud environment + Identify and resolve performance and capacity issues + Adopt a security first mindset + Write effective APIs + Ensure all functionalities are correctly tested and immune to regressions + Write technical documentation **What We’re Looking For** + Proven experience as a Full Stack Developer or similar role (>3 years) + Solid JVM skills and familiarity with frameworks like Spring + Knowledge of multiple front-end languages and libraries (Typescript, React, Cypress) + Experience with SQL/NoSQL databases + Cloud development experience and/or certification: Amazon Web Services + Experience with API and software design + Strong problem-solving skills and willingness to roll up one’s sleeves to get the job done + Skilled at working effectively with cross functional teams in a matrix organization + Excellent written and verbal communication skills in both French and English + Exposure working in Agile development + Experience or knowledge of the banking industry, especially credit card data **Why Join Us?** + Opportunity to work with a cutting-edge platform in the fast-growing Spend Management space. + Collaborative and inclusive work culture that values innovation and creativity. + Professional growth opportunities and access to learning resources. + Work from home flexibility. **Location** Paris, France **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 Klee Data Systems (“KDS” 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 (https://www.amexglobalbusinesstravel.com/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! Click Here to Learn More (https://www.amexglobalbusinesstravel.com/careers/)