Senior Software Engineer

Role Overview 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 Responsibilities • System Integration: Design and maintain robust integrations with major PSS platforms (e.g., Amadeus Alt a, 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 Qualifications • Extensive 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-Have • Experience 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. • Extensive 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.