Senior Full Stack Developer (Node.Js & React)

Are you a versatile engineer who thrives at the intersection of robust backend architecture and seamless frontend user experiences?We are looking for a Senior Full-Stack Engineer (Node.js & React) to join a high-caliber team building scalable, greenfield platforms from the ground up.This is a unique opportunity to own end-to-end feature development, tackle high-load data challenges, and directly influence the trajectory of a cutting-edge product.¿Le interesa este puesto?Puede encontrar toda la información relevante en la descripción a continuación.About the ClientOur partner is an elite tech company building product engineering across Fintech, iGaming, and Marketing.They turn innovative ideas into high-performing engines and launch them at scale.As their exclusive recruitment partner, Lionhires manages their full-cycle talent acquisition.What You Will DoArchitect and Build: Drive the end-to-end development of an in-house platform, taking new features from initial concept to deployment.Scale & Optimize: Design high-performing microservices capable of handling heavy traffic, utilizing RabbitMQ and Redis for optimal message queuing and caching.Integrate Systems: Seamlessly connect complex, third-party APIs with our proprietary Fintech solutions.Ensure Quality: Write clean, maintainable, and test-driven (TDD) code in TypeScript across both NestJS and NextJS frameworks.Collaborate Efficiently: Participate actively in an Agile/Scrum environment, contributing to bi-weekly sprints, grooming sessions, and strategic planning.What You BringDeep Web Expertise: 5+ years of commercial web development experience, with a proven track record of delivering production-grade applications.Full-Stack Mastery: 3+ years of dedicated, commercial experience with both Node.js and React.Modern Tech Stack: Hands-on experience with TypeScript, NextJS, NestJS, Apollo, and Material UI.Data & Architecture: Strong proficiency with REST, GraphQL, WebSockets, and managing high-load SQL/NoSQL databases (specifically MySQL and MongoDB).Engineering Best Practices: A solid understanding of microservice architecture, TDD principles, and Git version control.Communication: Upper-intermediate to fluent English communication skills (written and spoken).Bonus Points For2+ years of hands-on experience with CI/CD pipelines, Docker, and Kubernetes.Deep familiarity with various queue brokers (RabbitMQ, Apache Kafka, etc.).What's in It for YouCompetitive Compensation: An attractive salary package with structured annual reviews to reward your growth.Seamless Relocation: A comprehensive relocation package covering your flights and a 2-week hotel stay to get you settled.Legal Peace of Mind: Official EU/Spain employment contract, including sponsorship and registration support for your family members.Work-Life Balance: 23 working days of annual vacation to ensure you stay refreshed and energized.Continuous Growth: Dedicated budget for professional learning, development opportunities, and partial compensation for language classes.xqbhyrx Vibrant Culture: Team-building activities, birthday gifts, and access to an upcoming Social Club featuring over 50 events per year.#J-*****-Ljbffr

Are you a versatile engineer who thrives at the intersection of robust backend architecture and seamless frontend user experiences? We are looking for a Senior Full-Stack Engineer (Node.js & React) to join a high-caliber team building scalable, greenfield platforms from the ground up. This is a unique opportunity to own end-to-end feature development, tackle high-load data challenges, and directly influence the trajectory of a cutting-edge product., As their exclusive recruitment partner, Lionhires manages their full-cycle talent acquisition.What You Will DoArchitect and Build: Drive the end-to-end development of an in-house platform, taking new features from initial concept to deployment.Scale & Optimize: Design high-performing microservices capable of handling heavy traffic, utilizing RabbitMQ and Redis for optimal message queuing and caching.Integrate Systems: Seamlessly connect complex, third-party APIs with our proprietary Fintech solutions.Ensure Quality: Write clean, maintainable, and test-driven (TDD) code in TypeScript across both NestJS and NextJS frameworks.Collaborate Efficiently: Participate actively in an Agile/Scrum environment, contributing to bi-weekly sprints, grooming sessions, and strategic planning.What You BringDeep Web Expertise: 5+ years of commercial web development experience, with a proven track record of delivering production-grade applications.Full-Stack Mastery: 3+ years of dedicated, commercial experience with both Node.js and React.Modern Tech Stack: Hands-on experience with TypeScript, NextJS, NestJS, Apollo, and Material UI.Data & Architecture: Strong proficiency with REST, GraphQL, WebSockets, and managing high-load SQL/NoSQL databases (specifically MySQL and MongoDB). Engineering Best Practices: A solid understanding of microservice architecture, TDD principles, and Git version control.Communication: Upper-intermediate to fluent English communication skills (written and spoken). Bonus Points For2+ years of hands-on experience with CI/CD pipelines, Docker, and Kubernetes.Deep familiarity with various queue brokers (RabbitMQ, Apache Kafka, etc.).

What's in It for YouCompetitive Compensation: An attractive salary package with structured annual reviews to reward your growth.Seamless Relocation: A comprehensive relocation package covering your flights and a 2-week hotel stay to get you settled.Legal Peace of Mind: Official EU/Spain employment contract, including sponsorship and registration support for your family members.Work-Life Balance: 23 working days of annual vacation to ensure you stay refreshed and energized.Continuous Growth: Dedicated budget for professional learning, development opportunities, and partial compensation for language classes. xqbhyrx Vibrant Culture: Team-building activities, birthday gifts, and access to an upcoming Social Club featuring over 50 events per year. #J-*****-Ljbffr