ABOUT STAY22

At Stay22, we’re revolutionizing how people convert online. Our AI-powered affiliate platform helps publishers, ticketing platforms, and content creators unlock new revenue streams while levelling up their audience’s user experience. At Stay22, our partners don’t just earn more, they deliver more. Join us and be part of something big that’s shaking up the affiliate world.

POSITION OVERVIEW

As a Senior Full Stack Developer on the Phantom squad, you will play a key role in advancing our embedded widget and affiliate platform. Your mission will be to streamline browser execution and ensure high performance of our scripts across diverse websites. You will design mechanisms for privacy-conscious session tracking and fingerprinting, and take ownership of the full script lifecycle – from load optimization to event handling and error recovery. Working closely with product and engineering leads, you will help shape and maintain the core infrastructure that powers Stay22’s embeddable products, ensuring they run reliably under real-world constraints.

REQUIREMENTS

• B.S. or M.S. in Computer Science or equivalent experience
• 6-8+ years of experience in fullstack or backend development, with a strong emphasis on server-side JavaScript/TypeScript, Node.js and working with databases like PostgreSQL and MongoDB
• Deep understanding of modern frameworks and technologies, with a proven track record of delivering high-quality, scalable web services or applications. Hands-on experience with building and consuming APIs and working with cloud infrastructure (GCP preferred) is required. Familiarity with Python is a plus
• A creative mindset and strong problem-solving abilities, capable of navigating complex data integration challenges with pragmatic solutions
• Proven experience in leading or mentoring other developers, with a focus on improving team skills, code quality, and overall product reliability
• Comfort with agile development, rapid iteration, and the potential for significant project changes or pivots as partner requirements evolve
• Excellent communication skills and a collaborative approach to working with product managers and cross-functional stakeholders, ensuring alignment and clarity across teams

• Own the end-to-end design, development, and rollout of new supplier integrations and data pipelines, demonstrating a high level of technical competency and leadership
• Utilize your deep knowledge of Node.js and TypeScript to build and maintain robust integration services and APIs, ensuring high performance and reliability in our data pipelines
• Integrate with third-party travel suppliers and partners via APIs, SFTP, and other data feeds, ensuring the reliable ingestion and updating of external data into the Stay22 platform
• Implement and maintain supplier-specific deep-linking solutions to seamlessly redirect users to partner booking pages while preserving a consistent and secure user experience
• Parse, normalize, and store large volumes of listings data (e.g. hotels, accommodations) from external providers to power Stay22’s search and booking features
• Retrieve and process booking and commission data from suppliers (via APIs or file exports) and integrate it into our internal reporting systems, ensuring accurate and timely revenue tracking and partner reporting
• Ensure all integration pipelines align with internal data schemas and adhere to best practices for observability, security, and scalability, maintaining consistent quality across providers. Work closely with our infrastructure team to implement robust CI/CD, secrets management, and monitoring for these pipelines
• Collaborate with other squads to maximize the value of integration data - working with the Hub team to support user-facing features that rely on supplier data, providing structured data services to the other product teams, and delivering normalized datasets to the Data team for analytics and forecasting
• Mentor junior developers and new team members, sharing knowledge and fostering a culture of continuous improvement within the Integrations squad. Advocate for code simplicity and maintainability in all solutions, keeping long-term implications in mind