Job Title
As a NestJS Backend Developer, you will design, build, and maintain backend services, Application Programming Interfaces (APIs), and microservices using NestJS, Node.js, and TypeScript. You will work with cross-functional teams to deliver secure, reliable, and scalable services, supporting areas such as event-driven architecture, automated testing, observability, and cloud-based deployments.
In This Role You’llDesign, develop, and maintain backend services and APIs using NestJS, Node.js, and TypeScript, following modular architecture and clear separation of concerns.
Build scalable service layers, integrate with event-driven flows such as Kafka, and define clear API contracts with Product Owners, architects, and engineering teams.
Support performance, reliability, and production readiness through profiling, diagnostics, logging, error handling, and observability practices.
Implement secure backend practices, including authentication, authorization, input validation, rate limiting, secure configuration, and automated quality checks.
Contribute to testing, Continuous Integration/Continuous Delivery (CI/CD), code reviews, knowledge sharing, and continuous improvement of backend services.
Around 4+ years of backend engineering experience, with practical experience in Node.js, TypeScript, and NestJS; exposure to Express or Fastify is beneficial.
Experience designing REST APIs, API documentation using Swagger/OpenAPI, asynchronous programming, and event-driven microservices; Kafka exposure is preferred.
Familiarity with databases such as SQL or NoSQL, including Azure SQL, Cosmos DB, or similar platforms, along with data modelling concepts.
Experience with unit and integration testing, mocking strategies, Git-based workflows, CI/CD pipelines, and DevOps practices.
Exposure to Microsoft Azure, Docker, Kubernetes or Azure Kubernetes Service (AKS), caching patterns, performance tuning, and reliable distributed-system design is beneficial.
What we can offer you
🎯 A critical mission and purpose - At Amadeus, you will power the future of travel with a critical mission and extraordinary purpose. 
🌎 A truly global DNA - Everything at Amadeus is global, from our people to our business, which translates into our footprint, processes, and culture. 
🎓 Great opportunities to learn - Learning happens all the time and in many ways at Amadeus, from on-the-job training to formal activities, and daily interactions. 
🤗 A caring environment – Amadeus fosters a caring environment that supports both professional growth and personal well-being. 
💰 A complete rewards offer - Amadeus provides attractive compensation packages, including salary, bonus, caregiving and health benefits. 
🌟 A flexible working model - Embrace our flexible working model, enabling you to excel wherever and however you work best. 
🌈 A diverse, equitable, and inclusive community – We are committed to enabling each employee to reach their full potential by fostering a culture of belonging and fair treatment. 
📈 A Reliable Company - Trust and reliability are fundamental to shaping our relationships with customers, partners, and employees. 
Diversity & Inclusion
Amadeus aspires to be a leader in Diversity and Inclusion in the tech industry, enabling every employee to reach their full potential by fostering a culture of belonging and fair treatment, attracting the best talent from all backgrounds, and as a role model for an inclusive employee experience. 
Amadeus is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to gender, race, ethnicity, sexual orientation, age, beliefs, disability or any other characteristics protected by law. 
Be aware of recruitment scams
Amadeus Group never charges fees, requests payment, or asks for financial information during recruitment. All legitimate opportunities are communicated solely through official Amadeus channels, including our careers website. Any payment request or outreach via unofficial platforms (e.g., WhatsApp, Telegram) should be treated as fraudulent.
Skills Required
- 4+ years backend engineering experience
- Node.js
- TypeScript
- NestJS
- REST API design and Swagger/OpenAPI documentation
- Asynchronous programming and event-driven microservices
- Familiarity with SQL or NoSQL databases (Azure SQL, Cosmos DB or similar) and data modeling
- Unit and integration testing, mocking strategies
- Git-based workflows and CI/CD pipeline experience
- Profiling, diagnostics, logging, error handling, and observability practices
- Authentication, authorization, input validation, rate limiting, and secure configuration practices
- Kafka exposure
- Experience with Express or Fastify
- Exposure to Microsoft Azure
- Docker
- Kubernetes or Azure Kubernetes Service (AKS)
- Caching patterns, performance tuning, and reliable distributed-system design
What We Do
Travel powers progress. Amadeus powers travel. Amadeus’ solutions connect travelers to the journeys they want, linking them via travel agents, search engines and tour operators to airlines, airports, hotels, cars and railways. Technology has always been critical to developing global travel, increasing scale, choice and access. We have developed our technology in partnership with the travel industry for 30 years. We combine a deep understanding of how people travel with the ability to design and deliver the most complex, trusted, and critical systems our customers need.
