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.

Desired Candidate Profile

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.