Senior Fullstack Engineer (Java/Kotlin + Javascript) Who is Parser? Technology alone does not create impact- the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement.

We combine global reach with a mindset focused on agility, senior expertise, and close collaboration. We work as an extension of our clients' teams, helping them define the right problems, shape solutions, and deliver technology-driven outcomes that create measurable business value. Our expertise spans software engineering, AI & data, product development, and customer experience, delivered by teams that combine strong technical depth with a consulting mindset.

If you are looking for a place where you can think beyond execution, take true ownership of outcomes, influence decisions, and continuously learn alongside top-tier specialists in a truly global environment, we'd love to meet you. We are seeking a motivated and detail-oriented Senior Full Stack Engineer to drive the development of scalable, user-centric solutions across our entire technology stack. This role focuses on building robust backend services alongside modern frontend experiences that power the travel ecosystem.

Backend Development: Develop and maintain scalable backend services using JVM languages (Java, Kotlin) that power distributed systems Optimize database performance (SQL, NoSQL) and design efficient data access patterns Frontend Development: Develop responsive, user-centric frontend applications using modern web technologies Implement client-side logic for data visualization, state management, and real-time interactions Lead small,



well-defined projects across the full stack, taking end-to-end ownership Apply software design principles, data structures, and design patterns to write clean, maintainable, modular code Test, monitor, and debug applications effectively across layers 4 years of software development experience in team environments of at least five engineers (agile, version control, etc.) ~ Proven expertise with JVM languages (Java/Kotlin) in production environments ~ Strong proficiency in modern frontend technologies (HTML5, CSS3, JavaScript/TypeScript, reactive frameworks) ~ Experience with frontend frameworks like React is a plus ~ Experience building and maintaining distributed systems in public or hybrid cloud infrastructure ~ Solid understanding of data storage (SQL, NoSQL), API design, and microservices integration patterns ~ Demonstrated ability to test, monitor, and debug applications across the full stack ~ Experience with testing and monitoring tools ~ Ability to grasp how projects fit within team objectives and business needs ~ Familiarity with containerization and orchestration (Docker, Kubernetes) ~ Understanding of CI/CD pipelines and DevOps practices ~ Bachelor's degree in Computer Science or related field (or equivalent experience) Candidates based in Madrid, Spain: Hybrid model, 3 days per week in the office in Chamartin The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built. A adaptable and hybrid working environment. Medical insurance.

By applying to this role, you acknowledge that your personal data will be processed in accordance with Parser's Privacy Notice for recruitment purposes. Parser may use AI-assisted tools during certain stages of the recruitment process to support operational efficiency.

📌 Mid-level Fullstack Engineer (Java/Kotlin + Javascript) (Madrid)
🏢 Parser
📍 Madrid