Senior Backend Engineer (Fintech)

TL;DR

Senior Backend Engineer (Hospitality): Designing, building, and maintaining core backend integrations for a high-volume distribution and integration platform with an accent on handling complex hospitality concepts and ensuring data integrity. Focus on implementing resilient integration patterns, optimizing SQL database performance, and contributing to Azure deployments and CI/CD pipelines.

Location: Remote work is available from Argentina, Brazil, Bulgaria, Colombia, Georgia, Kazakhstan, or Poland. Onsite work is available in Almaty, Astana, Belgrade, Bengaluru, Cluj-Napoca, Dnipro, Kharkiv, Krakow, Kyiv, Larnaca, Lodz, Lublin, Lviv, Monterrey, Montevideo, Odesa, Riga, Rosario, Sofia, Tbilisi, Varna, Warsaw, Wroclaw, or Yerevan. Eastern European candidates are expected to maintain a 4–6 hour working overlap with the US Eastern Time zone.

Company

Our client in the travel and hospitality industry is building a high-volume distribution and integration platform connecting downstream systems with multiple Hotel Property Management Systems (PMS) and hospitality platforms.

What you will do

• Design, build, and maintain backend integrations with Hotel PMS and hospitality platforms.
• Implement idempotent ARI (Availability, Rates, Inventory) update mechanisms.
• Handle complex hotel distribution concepts and reconcile system state across event-driven and polling models.
• Build and operate high-volume, low-latency distribution systems.
• Ensure data integrity and performance in SQL databases.
• Contribute to Azure deployments, CI/CD pipelines, and operational readiness.

Requirements

• 5+ years as Backend Engineer with system-to-system integrations.
• Integration experience with at least one hospitality platform (Hotel PMS or CRS).
• Strong understanding of ARI (Availability, Rates, Inventory), rate plans, and inventory allocation.
• Proficient in .NET/C#, Azure services (VMs, App Gateway, App Services, Service Bus), and Azure DevOps CI/CD.
• Strong in REST APIs, event-driven architectures, and SQL databases (schema design, performance).
• Experience with high-throughput production systems and good English communication skills.

Nice to have

• Direct experience integrating with specific platforms like Oracle OPERA Cloud, Amadeus Hospitality Suite, Sabre SynXis, Cloudbeds, Mews PMS, Infor HMS, Agilysys Stay, or Shiji Daylight PMS.
• Experience with distributed tracing and observability.
• Familiarity with high-availability, low-latency architectures.
• Understanding of Agile / Scrum methodologies.

Culture & Benefits

• Vacation as per country laws and assistance with health insurance.
• 10 days sick pay without a doctor's note.
• Time off for state holidays.
• Opportunities for corporate parties and team get-togethers.
• Comfort service for technical and everyday problems.
• Access to IT certifications, courses, and learning platforms to support career growth.