Senior Fullstack Engineer (Java/kotlin + React)

Description

Summary: Join Parser as a Senior Fullstack Engineer to work on impactful projects, collaborate with talented engineers, and design and build solutions critical to the company's mission. Highlights: 1. Work on impactful projects using cutting-edge technologies 2. Collaborate with talented engineers across full stack disciplines 3. Design and build critical solutions for Parser's mission **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 Linkedin