Software Backend Engineer (Java)Location: Madrid, SpainDepartment: Product & Engineering TeamType: Full TimeMin. Experience: 3 YearsWho we are:TAPTAP, founded in 2010 and headquartered in Madrid, is a technology firm at the epicenter of innovation in adtech and martech. TAPTAP provides location intelligence marketing and advertising solutions in 10 markets within Europe, Africa, N. America, and S. America. Global media agencies and large to mid-market brands leverage TAPTAP's Sonata technology in over 80 markets for market intelligence and digital advertising solutions.Why TAPTAP?We are unique because TAPTAP brings together analytics, creativity, innovation, ambitious challenges, and teamwork.Our goal is to link physical and digital marketing globally. Since our founding, we take a mobile-centric approach in the development of sophisticated data-driven marketing & advertising solutions that has led us to develop the Sonata platform.Short Job Description:We are looking for a Software Backend Engineer for our platform product (SONATA) to be part of our growing engineering team. You will participate in the development process of the different software components that make up our backend architecture. You will actively contribute, together with the other members of the team, by:Defining new requirements, implementing them, reviewing the job of your peers, identifying issues, and monitoring the system status.Working with a distributed stack that must handle billions of daily requests in real time, with almost zero delay.Processing and evaluating each request individually, in order to achieve maximum outcome from it.Ensuring a continuous datastream that is processed and delivered to different components, with no data loss and almost instantaneously.Delivering robust, tested, and maintainable code, always trying to go one step further.Job description & responsibilities:Designing, building, deploying, and maintaining components of a high-volume, distributed real-time bidding system, which processes billions of requests per day.Design and implement integration strategies to work efficiently with external partners.Enforce consistency and availability across operational and analytical data stores.Focus on system scalability to be able to handle changes in traffic volume in short periods of time.Enhance service performance by improving business and technical operations.Propose changes and solutions to improve the platform.Keep up with the latest technologies and define our future technology stack.End-to-end responsibility from technical design to deployment and testing.Working closely with other teams: Product, operations, marketing.Requirements of the role:3 years of experience with JAVA.BS or MS in Computer Science or related technical/scientific discipline.Strong object-oriented knowledge base.Experience with distributed architectures.Experience with Unix/Linux based environments.NoSQL databases knowledge (MongoDB, Elasticsearch, and Redis desirable).Experience with Agile development practices (Scrum, JIRA).English language, full professional proficiency.Bonus points:Previous experience with Node.Js.Experience with big data architectures (Hadoop, Spark, Hive).Experience with REST APIs specification.Experience with real-time bidding systems.Experience working with AWS (EC2, ECS, S3).Knowledge of data streaming technologies, like Kafka.Ability to work independently, set timelines and execute to plan.Consider unit testing a must; quality assurance is a priority.Interest in learning and sharing knowledge with the other team members.Learning quickly and being self-reliant.Experience in working in a startup or small teams preferred.Benefits:We are ambitious, demanding, and optimistic go-getters. We are entrepreneurs, working hard together as a team to drive and achieve our ambitious growth plans. In short, we smell opportunities where others see vulnerability.
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