Sr Java Backend Developer

Java Software API/Backend Expert Skill set: Java Apache Kafka Hibernate NoSQL Databases REST Reactive programming Spring Boot Spring Core Office presence: yes, 3 days a week We 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 improvement MUST have strong deep Java Core skills – Java Memory Model, Garbage Collection, Performance Optimization, Multithreading, Polymorphism, Java Security Experience to develop backend REST-API services Experience with microservices architecture based on Spring Boot Experience with AWS Lambda services integrated with Kafka and deployed on-prem via Kubernetes Good understanding of reactive approaches, experience with Vert.x would be a plus Ability to write clean, testable code focused on performance, ability to monitor the application and do performance testing using Java Flight Recorder Be familiar with Semantic versioning and conventional commits Demonstrated experience in Agile or Scaled Agile (SAFe) development, application design, software development, and testing Experience with contact center technologies, payment technologies, and financial systems will be a plus Excellent communication skills, flexibility, English - B2+/C1 Leadership, good coaching, interpersonal and presentation skills System thinking, critical mindset, problem-solving, continuous learning Job 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 components Developing a deep understanding of tie-ins with other systems and platforms within the supported domains Identifying exciting opportunities for adopting new technology to solve existing needs and predicting future challenges Technologies: Java 8, Spring Boot, Multithreading, JMX, NIO Netty, JDBC, Gatling, Drools, Vertex, BPM, Mockito, Junit, Truth, AssertJ, Kubernetes, Jenkins, Gradle, Git, Grafana, Groovy