Senior Fullstack Engineer (Java/Kotlin + React)

Senior Fullstack Engineer (Java/kotlin + React) At Parser, we're searching for full stack enthusiasts who are highly motivated, collaborative, and excited to be part of our Engineering team. Key Responsibilities As a Full Stack Engineer, you'll work on impactful projects using cutting-edge technologies. Collaborating with talented engineers across frontend, backend, and infrastructure, you'll design and build solutions critical to Parser's mission. You will: Write high-quality, maintainable and testable code in Java, Kotlin, TypeScript, Python or other modern stacks. Build across the full stack — frontend web applications, backend services, APIs, and data flows. Work in a cross-functional Agile team, participating in all development phases from planning to production. Provide technical mentorship, conduct code reviews, and engage in architectural discussions. Continuously improve systems for scalability, performance, and resilience. Collaborate with stakeholders to shape product direction and make architecture decisions. Required Tech Stack & Skills We value curiosity, creativity, and a passion for building great products. While we don't believe in rigid checklists, experience or interest in the following areas is a plus: Strong programming skills in modern languages (Java, Kotlin, Python, JavaScript, etc.) Experience with frontend frameworks like React Understanding of backend technologies and RESTful APIs Knowledge of cloud platforms such as AWS, GCP, or Azure Familiarity with SQL and NoSQL databases Solid understanding of computer science fundamentals (data structures, algorithms, system design) Passion for clean, maintainable code and modern practices (CI/CD, TDD, DevOps) Strong communication and collaboration skills A drive to learn and improve — both yourself and the systems you build As a Team, We love to: Build reliable, scalable systems that empower millions of travellers Keep our codebase clean and architecture elegant Learn from each other, share knowledge, and grow together Celebrate wins, reflect on misses, and always aim higher Location: This role can be based in Spain (Madrid). Some of the benefits you’ll enjoy working with us: A highly competitive compensation package. Medical insurance. The chance to join an organization with triple digit growth that is changing the paradigm on how software products are built. The opportunity to form part of an amazing, multicultural community of tech experts. Come and join our #ParserCommunity. Follow us on