Sr Java Backend Developer

Java Software API/Backend ExpertSkill set: JavaApache KafkaHibernateNoSQL DatabasesRESTReactive programmingSpring BootSpring CoreOffice presence: yes, 3 days a weekWe are looking for a highly technically proficient Java software API/backend expert, the person who has the system type of thinking and the Solution Architecture mindset. You will work among high performing engineering, design, and product teams.Key skills:Overall 8+ years of internet-scale solution development (D3/D4)Must have experience in architecture design and improvementMUST have strong deep Java Core skills – Java Memory Model, Garbage Collection, Performance Optimization, Multithreading, Polymorphism, Java SecurityExperience to develop backend REST-API servicesExperience with microservices architecture based on Spring BootExperience with AWS Lambda services integrated with Kafka and deployed on-prem via KubernetesGood understanding of reactive approaches, experience with Vert.x would be a plusAbility to write clean, testable code focused on performance, ability to monitor the application and do performance testing using Java Flight RecorderBe familiar with Semantic versioning and conventional commitsDemonstrated experience in Agile or Scaled Agile (SAFe) development, application design, software development, and testingExperience with contact center technologies, payment technologies, and financial systems will be a plusExcellent communication skills, flexibility, English - B2+/C1Leadership, good coaching, interpersonal and presentation skillsSystem thinking, critical mindset, problem-solving, continuous learningJob Responsibilities:Serving as a core member of an agile team that drives user story analysis and elaboration, designs and develops software applications;Performing hands-on software development and testing, typically spending 90% of time writing code, API specs, conducting code reviews and testing in ongoing sprints, or doing proof of concepts/automation tools.Identifying new contact channel technologies to evaluate and implement into existing call management solutions.Driving consistent development practices - tools and common componentsDeveloping a deep understanding of tie-ins with other systems and platforms within the supported domainsIdentifying exciting opportunities for adopting new technology to solve existing needs and predicting future challengesTechnologies: Java 8, Spring Boot, Multithreading, JMX, NIO Netty, JDBC, Gatling, Drools, Vertex, BPM, Mockito, Junit, Truth, AssertJ, Kubernetes, Jenkins, Gradle, Git, Grafana, Groovy