Position Senior Backend Developer (.NET / Go ) | High-Scale Systems | Cloud & Microservices role at WebBeds Company Overview WebBeds is the fastest growing and most significant accommodation supplier to the travel industry. We are a global company offering ground services (hotels, transfers, tours, activities) to travel professionals. Our products help our partners and customers to create amazing Travel experiences. Our products range from Retail Online platform, Integration Connectivity hub and distribution APIs to name but a few and our systems are 100% cloud hosted processing up to 5.0bn search requests daily. We deliver amazing outcomes using leading edge technology through innovative and creative thinking. WebBeds is a subsidiary of Web Travel Group (ASX: WEB) – an ASX 200 listed company operating a global digital travel business. We are a wholesale global travel organization We have 1500+ people speaking 50+ languages in 120+ cities across 50+ countries We partner with over 430,000 properties in more than 15,000 destinations We work with more than 44,000 travel companies in 139 source markets We have an amazing Technology team focused on delivering valuable outcomes using innovative tech and creative & lateral thinking Role Overview With this in mind, we strive to be at the leading edge of technology when it comes to building the platform that meets the needs of our Supply partners and customers. This translates to the use of latest technology including .NET Core versions, K8S, microservices architecture, cloud hosting and orchestration, CI/CD pipelines, automated testing, proactive monitoring, and alerting systems, to name a few. Our delivery teams have the creativity and freedom to express themselves by building innovative solutions to often complex problems and are challenged to reach higher levels daily. Our teams consist of product owners, QA engineers, Software Engineers, and people from across the business all working collectively and collaboratively. Key Responsibilities Lead technical discussions within the self-managed delivery team, contributing insights during user story definition, planning sessions, and stakeholder interactions through collaboration, communication, and leading by example. Design and develop complex software solutions that adhere to WebBeds' technical standards and meet business requirements, demonstrating mastery of software development principles and fostering innovation, and embracing accountability, challenges, and continuous development. Provide mentorship to junior team members, nurturing their progress and enriching the team's overall skills, while empowering, guiding, and acknowledging their efforts. Drive architectural decisions, contributing to the evolution of WebBeds' technology stack and ensuring scalability, maintainability, and performance. Work closely with cross-functional teams, such as QA engineers, product owners, and business analysts, to ensure smooth integration of development work, embodying the anatomy of effective teamwork, professionalism, and thoughtful consideration. Implement coding best practices, adhering to design patterns, SOLID principles, and security practices. Participate in code reviews, promoting a culture of constructive feedback and continuous improvement, while embracing mistakes as opportunities for learning and growth. Troubleshoot and resolve complex technical issues, optimizing software solutions for performance and reliability. Stay informed about industry trends, emerging technologies, and advancements to continually enhance your skills and contribute to technical innovation. Inspire and lead by example, fostering a security-first mindset and influencing the team to prioritize security in all development activities. Required Skills & Qualifications Strong proficiency in at least one of C# or Golang, with a demonstrated ability to read, understand, and debug code. Adaptability to cross‑train in the other language as needed, with the mindset to use the right tool for the job. Debugging complex issues in distributed systems (e.g., deadlocks, race conditions) and optimizing resource‑heavy processes Mastery of concurrency patterns: C#: Task Parallel Library (TPL), asynchronous programming, and thread‑safe collections. Go: Goroutines, channels, and sync package primitives (e.g., mutexes, wait groups). Experience designing and optimizing RESTful APIs for high traffic (10k+ concurrent users) and low‑latency requirements is a plus. Strong knowledge of distributed system architectures and design patterns. Experience with microservices architecture and service‑oriented design. Experience with containerization and orchestration (Docker, Kubernetes) & understanding of infrastructure‑as‑code principles is a plus. Familiarity with CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions). Experience with monitoring and logging tools for distributed systems (e.g., Grafana, Datadog). Demonstrated ability to quickly learn new technologies and programming languages. Willingness to work with and understand legacy code to be able to modernize it. Curiosity and enthusiasm for staying updated with industry trends. Ability to work independently and take initiative to solve problems and improve systems. Demonstrated expertise with clean coding principles and a commitment to producing high‑quality code. Excellent written and verbal communication skills, with the ability to explain technical concepts to both technical and non‑technical audiences. A collaborative team player, adept at thriving within a self‑organized team structure and embracing shared responsibilities. Happy to follow our motto: Build it, Ship it, Support it. Benefits & Opportunities International highly skilled group of experts from all around the globe Dynamic environment with the chance to grow, influence & impact change Disruptive, fast‑growing market leader within travel & endless possibilities Culture built on collaboration, empowerment and innovation Job Details Seniority Level: Not Applicable Employment Type: Other Job Function: Engineering and Information Technology Industries: Travel Arrangements Location Palma, Balearic Islands, Spain #J-18808-Ljbffr