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Senior Java Backend Engineer in Madrid


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Job Description


    • Solve new and challenging problems around eCommerce payments, credit issuance and settlement, fraud detection, SaaS integration, data ingestion
    • Build and enhance products, services, infrastructure and tools, primarily using JVM ecosystem (Java, Kotlin) and other languages and frameworks (Python, Go, Ruby)
    • Build and enhance systems with automated instrumentation and monitoringLive and breathe resiliency and uptime
    • Drive quality by writing unit, integration, and performance tests in a continuous delivery environment
    • Troubleshoot cross-system issues using log data, metrics, and various analysis tools
    • Consistently improve maintainability and stability of the codebase
    • Be part of a world-class team of engineers with decades of experience
    • Work cross-functionally with some of the best people in different disciplines like data science, finance, product management, marketing & sales, design


    • 4+ years industry experience in Java and the JVM
    • Strong familiarity with *nix environment including bash and command-line tools
    • Experience with at least one of Kotlin, Go, Scala, Python, Ruby is a plus
    • Knowledge of various technologies, frameworks and libraries in the JVM ecosystem; Spring Boot is a plus
    • Strong analytical and problem-solving skills; attention to detail
    • Knowledge of web service technologies and REST best-practices
    • Understanding of scalability challenges and performance of server-side code
    • Ability to design and develop horizontally-scalable, resilient and efficient systems
    • Deep understanding of distributed systems in a cloud environment, and event-driven architecture
    • Exposure to Amazon Web Services
    • Deep understanding and experience with relational databases and SQL
    • Understanding of and experience with NoSQL data stores is a plus
    • Familiarity with RDBMS design for both OLTP and Data Warehousing is a plus
    • Courage and discipline to dig-in and refactor other developers’ code and explore new technology and solutions
    • B.S. degree equivalent (or higher) in Computer Science, Engineering or related field is a plus
    • Prior history of driving impact in a high-growth e-commerce / technology startup is a plus
    • Proven track record of shipping software in a delivery-focused environment
    • Desire to improve broken processes and make your own job easier over time
    • Ability to think creatively and critically and thrive in a fast-paced, dynamic, and often ambiguous work environment
    • Strong interpersonal and communication skills, with the ability to communicate and influence effectively across various departments
    • Command of the English language, both written and spoken
    • Data-driven mentality


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