**Now hiring in sunny Barcelona!** Amazon employs more than 1.6 million people worldwide, up 24% year-over-year. In all of history, no company this big has ever grown this fast. There are other large employers, some even bigger. There are other fast-growing companies, some even faster. As the engineering org responsible for building systems that help ensure all Amazonians are paid on time and accurately, we are asked to solve for challenges that no other company faces.Also, we're Amazonian. Our customers in Payroll expect us to innovate for them. Name another company building Anytime Pay, which we built to allow employees to withdraw pay as soon as they've earned it, prior to payday. Name another company using machine learning to ensure that employees are paid accurately. We really are having fun and making history in an area that - let's face it - is probably pretty boring at other companies.With awesome teams already in Seattle and India, we are expanding and building a new outpost in Barcelona. Your job will be to design, develop, and deliver the solutions to complex and ambiguous problems with the highest standards. Key job responsibilitiesYou will:1. Work with the customers in the Payroll space to understand and disambiguate their problems2. Help in identifying the solution to our customers' problems3. Design high-level and low-level application application architecture to to address functional and non-functional requirements4. Coding and reviewing code of your peers to implement the solution5. Write automated unit test cases6. Deliver the solution to production using the best Continuous Integration and Continuous Deployment patternsWe are open to hiring candidates to work out of one of the following locations:Barcelona, B, ESPBASIC QUALIFICATIONS- Which option best describes your total non-internship professional software development experience?- Do you have experience programming with at least one modern language such as Java, C++, or C# including object-oriented design?- Which option best describes your total non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience?- Do you have a Bachelor's degree in computer science or equivalent?PREFERRED QUALIFICATIONS- Knowledge of professional software engineering & best practices for full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing, and operational excellence