Senior Backend Engineer, Booking Platform in Spain at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Engineer, Booking Platform in Spain.

This is an exciting opportunity for a backend engineer who thrives on building scalable, high-performance systems that directly impact customer experience and business growth. In this role, you will contribute to the development of critical guest-facing booking services used by thousands of users globally, helping power seamless booking and stay experiences. You’ll play a key role in modernizing platform architecture by extracting services from a monolithic environment while shaping reliable APIs designed for next-generation AI-driven interactions. Working within a highly collaborative and product-oriented team, you’ll influence technical strategy, improve platform performance, and help define scalable engineering practices. This fully remote position offers strong ownership, technical autonomy, and the chance to work on innovative solutions in a fast-growing SaaS ecosystem.

• Design, develop, and maintain scalable backend services using PHP and Go to support high-traffic booking and guest-facing platforms.
• Lead and contribute to the extraction of services from monolithic systems, defining clear ownership boundaries, migration strategies, and resilient architectures.
• Collaborate closely with Product, Design, and Frontend teams to deliver features that improve booking experiences, conversion rates, and platform usability.
• Build and maintain clean, scalable APIs for both traditional integrations and AI-driven or automated interfaces.
• Optimize system performance, reliability, uptime, and page speed to ensure seamless customer interactions across booking flows.
• Participate in architectural planning and technical decision-making to support long-term scalability and operational efficiency.
• Leverage AI-powered development tools to accelerate delivery, improve workflows, and maintain high engineering standards.
• Contribute to a collaborative engineering culture focused on innovation, ownership, and continuous improvement.

Requirements:

• 6+ years of backend engineering experience with strong software engineering fundamentals.
• Proven expertise developing production-grade applications using PHP, along with experience in Go or the ability to quickly ramp up.
• Strong experience building and operating high-traffic, customer-facing systems with scalability and reliability requirements.
• Demonstrated experience decomposing monoliths and implementing service-oriented or distributed architectures.
• Solid understanding of API design principles, including REST, GraphQL, versioning, and integration best practices.
• Familiarity with AI-assisted coding tools such as Claude, Cursor, Copilot, or similar technologies integrated into engineering workflows.
• Experience working within product-oriented SaaS environments and collaborating cross-functionally with design and product teams.
• Knowledge of Node.js, React, or modern frontend ecosystems is considered a plus.
• Strong communication, problem-solving, and decision-making skills with the ability to balance speed and technical quality.

Benefits:

• Competitive compensation based on local market benchmarks.
• Equity participation through stock options in a rapidly growing and profitable company.
• Fully remote work flexibility across the EMEA region.
• Freedom to work from home, coworking spaces, or any productive environment within your country of residence.
• Career development and learning opportunities within a high-growth international SaaS organization.
• Annual paid leave aligned with country-specific regulations and standards.
• Access to country-specific healthcare, pension, and additional employment benefits where applicable.
• Collaborative global culture with teammates across more than 40 countries.
• Access to premium AI development tools and modern engineering resources to support productivity and innovation.