ob Summary: We are seeking a highly skilled and experienced Senior Software .NET Engineer to join our innovative IOLX team. You will play a pivotal role in designing, developing, and scaling the next generation of our travel technology platform. Leveraging your deep expertise in C#, ASP.NET 6, Azure, and particularly Elastic Search, you will architect and build robust, high- performance web applications and backend services. The ideal candidate is a proactive, detail- oriented engineer with a strong architectural mindset, a passion for solving complex technical challenges, and a drive for delivering high-quality, scalable software solutions in the dynamic travel tech space. Key Responsibilities: • Architect & Design: Lead the design and architecture of complex, scalable, and resilient software systems using C#, ASP.NET 8 & 9, and Azure cloud services. • Develop & Implement: Build, test, and deploy high-quality, maintainable, and efficient code for web applications, APIs, and backend services. • Elastic Search Mastery: Design, implement, manage, and optimize sophisticated Elastic Search solutions, including index strategies, complex querying, performance tuning, and cluster management, ensuring optimal performance and relevance for our platform's search capabilities. • Azure Cloud Expertise: Architect, implement, and manage secure, scalable, and reliable solutions utilizing a range of Azure services (e.g., Azure App Service, Azure SQL Database, Azure Storage, KeyVault, ServiceBus, Azure Functions, AKS). • API Development: Design, develop, and maintain robust RESTful APIs for internal services and external partner integrations. • Technical Leadership: Contribute significantly to technical discussions, influence architectural decisions, and mentor junior engineers.• Collaboration: Work closely with product managers, designers, and other engineers in an Agile environment to understand requirements, define technical solutions, and deliver features. • Optimization & Scalability: Proactively identify and address performance bottlenecks, scalability issues, and potential areas for architectural improvement. • Best Practices: Champion and adhere to software development best practices, including clean code principles, SOLID design, TDD/BDD, CI/CD, and secure coding standards. • Stay Current: Keep abreast of the latest industry trends, technologies, and best practices related to .NET, Azure, Elastic Search, and software architecture. Required Qualifications & Skills: • Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience). • Extensive Experience (5+ years): Proven track record designing and developing complex applications using C# and the .NET framework, with strong, recent experience in ASP.NET 8 & 9 / .NET 6+ . • Deep Elastic Search Expertise (Minimum 5 years): Demonstrable, in-depth, hands- on experience architecting, implementing, managing, and optimizing Elastic Search clusters in production environments. Expertise must include index design, query optimization (DSL), performance tuning, monitoring, and integration strategies. • Strong Architectural Skills: Proven ability to design scalable, resilient, maintainable, and high-performance distributed systems and microservices architectures. • Azure Cloud Proficiency: Significant hands-on experience designing, deploying, and managing applications on Microsoft Azure, utilizing services like App Services, Azure SQL, Storage, Key Vault, Service Bus, and Azure DevOps. • Database Knowledge: Solid experience with relational databases (PostgreSQL strongly preferred) and familiarity with NoSQL concepts. • API & Integration Expertise: Strong understanding and practical experience with RESTful API design, development, and integration with third-party services. • Modern Development Practices: Experience with version control systems (Git), CI/CD pipelines (Azure DevOps preferred), and Agile methodologies. • Problem-Solving: Excellent analytical and critical thinking skills with a proven ability to tackle complex technical challenges. • Communication & Teamwork: Strong verbal and written communication skills, with the ability to collaborate effectively within a cross-functional team. • Adaptability: Ability to thrive in a fast-paced, collaborative, and evolving environment. Preferred Qualifications & Skills: • Experience specifically within the travel, hospitality, or fintech industries. • Experience with containerization technologies (Docker, Kubernetes/AKS). • Familiarity with event-driven architectures and messaging systems (e.g., Kafka, RabbitMQ, Azure Event Grid/Hub). • Experience with front-end technologies (e.g., React, Angular, Vue.js) is a plus, but not required. • Knowledge of other search technologies or data stores. Show more Show less