Senior Software Engineer – GDS, Codeshare & Interline Support (.NET)

We are seeking a seasoned Senior Software Engineer to join our travel technology team, specializing in Passenger Service Systems (PSS) and Global Distribution Systems (GDS). This is a mission-critical role where you will design, build, and maintain the backbone of our airline’s distribution and inventory systems. You will balance proactive feature development—touching reservations, ticketing, and fare distribution—with high-stakes production support. As a senior member of the team, you will act as an escalation point for live incidents, ensuring the reliability of systems that directly impact passenger travel and airline operations.Key ResponsibilitiesSystem Integration: Design and maintain robust integrations with major PSS platforms (e.g., Amadeus Altéa, Sabre, Travelport, Navitaire, Radixx) and GDS networks.Core Development: Build and support systems managing reservations, ticketing, fare calculation, inventory/availability, PNR management, and revenue accounting using .NET.Messaging & Protocols: Implement solutions using industry-standard formats including EDIFACT, Type A/B messaging, NDC, and IATA standards (PADIS, AIDX).API Management: Develop and maintain high-performance interfaces between internal systems and external GDS/PSS endpoints (SOAP/REST, XML/JSON).Production Ownership: Own the triage, root cause analysis, and permanent resolution of GDS/PSS-related incidents. Troubleshoot PNR/ticketing discrepancies and message-queue failures.On-Call Leadership: Participate in an on-call rotation to provide rapid response for critical booking and ticketing systems.Strategic Collaboration: Work cross-functionally with revenue management, airport operations, and interline teams to translate complex business rules into technical specifications.Operational Excellence: Author and maintain technical runbooks, monitoring, and alerting systems to minimize recurring incidents and improve system stability.Mentorship: Provide technical guidance to junior engineers and influence architectural decisions for PSS/GDS-adjacent systems.Compliance: Ensure all developments align with IATA resolutions, interline agreements, and global data standards.Required QualificationsExtensive experience in software engineering using the .NET framework, with a focus on mission-critical, high-availability systems.Proven technical expertise in airline PSS/GDS integration (Amadeus, Sabre, Travelport, etc.).Deep understanding of travel industry messaging standards (EDIFACT, Type A/B, XML, JSON).Demonstrated experience in production support and incident management within a high-pressure environment.Strong analytical skills with the ability to perform root cause analysis on complex distributed systems.Ability to translate complex airline business requirements into scalable, reliable technical solutions.Nice-to-HaveExperience with NDC implementation (IATA NDC schemas, aggregators like Farelogix/Accelya).Exposure to interline/codeshare workflows, IROPS (irregular operations) handling, or revenue accounting reconciliation.Familiarity with cloud infrastructure (AWS/Azure/GCP) and containerization technologies (Docker/Kubernetes).IATA or relevant airline industry certifications.Prior experience working directly with airline operations, revenue management, or customer service teams.What We OfferCompetitive Compensation & Security: Comprehensive medical insurance coverage and end-of-service gratuity.Travel Benefits: Annual air ticket allowance to support your personal travel.Work-Life Balance: Generous paid time off (PTO) policy.Global Mobility: Full support for work visa sponsorship and relocation assistance where applicable.