Company: Provectushelps companies adopt ML/AI to transform the ways they operate, compete, and drive value. The focus of the company is on building ML Infrastructure to drive end-to-end AI transformations, assisting businesses in adopting the right AI use cases, and scaling their AI initiatives organization-wide in such industries as Healthcare & Life Sciences, Retail & CPG, Media & Entertainment, Manufacturing, and Internet businesses. Position Overview: We are seeking a Senior Java Engineer with exceptional English communication and strong soft skills to join our team. The ideal candidate will have a strong technical background in Java development, proven expertise in modern cloud-native architectures, and the ability to thrive in a collaborative and dynamic environment. The candidate will join a team of other Provectus engineers, but will also frequently communicate with a client to collect requirements, etc. Requirements: Strong programming experience with Java 11 and Java 17 Solid experience with Spring Boot and Spring Reactive Solid understanding of JVM internals, profiling, and performance optimization Hands-on experience with Docker and Kubernetes Proficient with Maven and Gradle Familiarity with database migration tools (e.g., Flyway) Strong SQL knowledge, including query optimization Experience with distributed systems and messaging platforms (Kafka) Solid understanding of serverless architectures and AWS services Experience with monitoring tools such as Kibana, Grafana, CloudWatch Proficiency with GitLab and GitLab pipelines Exposure to ReactJS and modern frontend concepts Strong communication and collaboration skills English proficiency: upper-intermediate or above, capable of direct client interaction Nice to Have: Experience with OpenSearch Familiarity with EKS and IAM Experience with performance testing tools and techniques Responsibilities: Develop and maintain scalable Spring Boot applications in Kubernetes, with focus on robust API design using REST and GraphQL Perform JVM profiling and capacity tests to ensure system stability and ability to handle high-demand events (e.g., onsales) Optimize SQL queries and contribute to efficient data access Work on client-facing features and collaborate with customer-side leads and stakeholders (UK-based) Manage databases (MySQL, Cassandra), CI/CD pipelines (GitLab, Nexus), and system monitoring tools (Prometheus, Kibana, Grafana) Ensure code quality through automated testing and support cloud-native solutions on AWS Handle infrastructure using Terraform, and occasionally contribute to frontend features using ReactJS Actively participate in team ceremonies, provide clear communication, and take ownership of deliverables What We Offer: Long-term B2B collaboration Fully remote setup Comprehensive private medical insurance Paid sick leave Continuous learning support, including AWS certification sponsorship