Senior .NET Backend Software Engineer

<p> </p> <p> </p> <p><span><span>As a <b>Senior .NET Back End Software Engineer</b>, you’ll work in a cross-functional and international team.</span></span></p> <p><span><span> </span></span></p> <p><span><span>We're driving the digital transformation of our Tour Operator business, moving from legacy systems to modern technologies, while expanding B2C projects across Spain, Portugal, and LATAM.</span></span></p> <p> </p> <p><span><span>You will be a valuable team member of TUI, the No.1 global and socially aware travel company. TUI Musement operates in over 115 destinations, offering opportunities to develop yourself by working as part of a unique context. </span></span></p> <p> </p> <p><em><b>Application Closing Date: 25/04/2025 (Please note that due to a high number of applications we might need to close the role ealier than the application closing date - so don't delay!)</b></em></p> <p> </p> <p><span><span><b>ABOUT OUR OFFER</b><br/>  </span></span></p> <ul> <li><span><span><b>Personal benefits</b>: Attractive remuneration, exclusive travel perks &amp; discounts, extensive health &amp; wellbeing support, and more.</span></span></li> <li><span><span><b>Flexible working</b>: Work is something you do, not somewhere you go. We encourage a healthy work-life balance and offer hybrid or remote working models.</span></span></li> <li><span><span><b>A career to shape</b>: Opportunities to upskill, reskill and grow your career. Access the TUI Tech Learning Hub to level-up and reach your ambitions.</span></span></li> <li><span><span><b>Expand your horizons:</b> Participate in our tech communities and collaborate on global projects and teams.</span></span></li> <li><span><span><b>Community</b>: Get involved with incredible local charity and sustainability initiatives like the TUI Care Foundation and the Sustainable Tech Community. </span></span></li> </ul> <p><span><span><b>ABOUT THE JOB</b></span></span></p> <p> </p> <ul> <li><span><span>You will develop and maintain backend systems using <b>.NET Core C#.</b></span></span></li> <li><span><span>You will build and optimize <b>REST APIs</b> and microservices.</span></span></li> <li><span><span>You will drive innovation by recommending and implementing new technologies.</span></span></li> <li><span><span>You will collaborate in code reviews and peer development activities.</span></span></li> <li><span><span>You will ensure high-quality code through unit and integration testing.</span></span></li> </ul> <p><span><span><b>ABOUT YOU</b></span></span></p> <p> </p> <ul> <li><span><span><b>Advanced experience</b> with <b>.NET Core C#</b> and <b>EF Core</b> (code-first, LINQ, Lambda).</span></span></li> <li><span><span>Hands-on experience working with <b>Microservices architecture.</b></span></span></li> <li><span><span>Proficient in <span>OOP, software designs, design principles and design patterns.</span></span></span> </li> <li><span><span><span>Strong understanding of <b>REST APIs.</b></span></span></span></li> <li><span><span><span>Expertise in Unit/Integration testing, coverage and patterns.</span></span></span></li> <li><span><span>Experienced with Relational Databases (<span>querying, modelling, normalization).</span></span></span></li> <li><span><span>Hands-on experience with <b>Git </b><span>as distributed VCS (Repository, CD/CI, YAML).</span></span></span></li> <li><span><span>Expertise in cloud design, infrastructure as code, tools and services on <b>AWS</b> .</span></span></li> <li><span><span>Experience with <b>Docker.</b></span></span></li> <li><span><span>Experience with CI/CD, preferably Gitlab CI.</span></span></li> <li><span><span>Passion for writing clean, maintainable code with a focus on scalability and performance.</span></span></li> <li><span><span><b>English fluency</b> (technical and everyday communication).</span></span></li> </ul> <p> </p> <p><span>From a workplace to a place to belong.  At TUI we embrace diversity, equity, and inclusion, encouraging everyone to come as you are, because together, our potential is limitless.</span></p> <p><br/> <span><span>We are committed to supporting candidates with disabilities and impairments so if you require any support, please do let us know.</span></span></p>