Senior Backend Developer

SENIOR BACKEND DEVELOPER Role Overview Our Customer is seeking a highly skilled Senior Backend Developer to design, build, and maintain scalable, highperformance systems that support our travel platforms. The ideal candidate is a hands-on developer with strong integration experience, a passion for clean, maintainable code, and a drive to deliver reliable, production-ready solutions. Key Responsibilities Design, develop, and maintain backend services and APIs. Build and support high-volume, scalable systems used in travel booking and related platforms. Develop and maintain RESTful APIs and system integrations with third-party providers (e.g. GDS, payment gateways, suppliers). Collaborate with front-end developers, product teams, and stakeholders to deliver end-to-end solutions. Ensure high performance, security, and reliability of backend systems. Troubleshoot, debug, and optimise existing systems. Contribute to DevOps practices, CI/CD pipelines, and deployment processes. Maintain clear technical documentation and participate in code reviews. Strong communication skills needed for working with customer and supplier integration teams. Experience & Qualifications ±8–10 years' experience in software development (backend-focused). Bachelor's degree in computer science, Information Technology, Engineering, or equivalent. Proven experience working on integration-heavy systems. Experience in the travel, bookings, or fintech domain is advantageous. Experience in ERP system integrations (SAP, Oracle, Sage) is advantageous. Experience migrating legacy systems to modern architecture. Technical Requirements (Essential) Strong proficiency in: C# / .NET (ASP.NET Core preferred) REST API design and development MS SQL Server (database design, performance tuning) LINQ Solid experience with: o JSON, XML o Web Services Integration (SOAP & REST) o Microservices architecture Experience with: o Version control (Git) o CI/CD pipelines (preferably Azure DevOps) o Secure coding practices o Azure Logic Apps o Microsoft Azure (App Services, Functions, API Management) Technical Skills (Advantageous) Messaging queues (e.g. Service Bus, RabbitMQ) IIS configuration and optimisation Front-end basics (HTML, JavaScript, CSS, Vue) Key Competencies Strong problem-solving and analytical thinking High attention to detail and quality Ownership mindset and accountability Ability to work independently and within a team Strong communication skills (technical and non-technical) Ability to work under pressure and meet deadlines Nice-to-Have Experience Travel industry integrations (e.g. Amadeus, Travelport, Sabre, Booking.com) Payment gateway integration High availability / distributed systems Data security and compliance (e.g. POPIA, GDPR, PCI DSS) Working Environment Hybrid or office-based (TravelIT offices) Collaborative, agile team environment Opportunity to work on innovative travel and expense technology solutions Additional Notes Must have reliable transport (if office-based role). Background checks may be conducted in line with company policies.