JOBSEARCHER

Senior Java Backend Engineer- On-site

MphasisOak Ridge, NJJune 3rd, 2026
We are looking for a Senior Java Backend Developer with 8+ years of experience building scalable, cloud-native backend applications and microservices architectures.The ideal candidate will have strong expertise in Java, Spring Boot, Kubernetes, Kafka, Redis, and CI/CD pipelines, along with experience designing secure, high-performance APIs in enterprise environments.Core Responsibilities:Design and develop backend microservices and REST/event-driven APIs using Java 17+ and Spring BootBuild and maintain scalable cloud-native applications deployed on KubernetesImplement caching strategies using Redis or Memcached to optimize system performanceDevelop asynchronous/event-driven architectures using KafkaWork with SQL and NoSQL databases including PostgreSQL, MySQL, MongoDB, or CassandraCollaborate on CI/CD pipelines, automated deployments, and DevOps initiativesEnsure application scalability, resiliency, observability, and security best practicesPartner with cross-functional Agile teams throughout the SDLCRequired SkillsStrong hands-on experience with Java and Spring BootExpertise in Microservices ArchitectureExperience with Docker and Kubernetes (K8s)Experience with Kafka and event-driven systemsRedis or Memcached experienceStrong SQL/NoSQL database knowledgeCI/CD tools such as Jenkins, ArgoCD, ArtifactoryCloud platforms: AWS, Azure, or GCPMonitoring tools: Prometheus, Grafana, ELKPreferred Domain ExperiencePayments / Merchant PlatformsOmnichannel payment systemsFinancial transaction processingPOS or cloud-based payment solutionsAbout MphasisWhat’s in for you?At Mphasis, we promise you the perfect opportunity of building technical excellence, understand business performance and nuances, be abreast with the latest happenings in technology world and enjoy a satisfying work life balance.With the current opportunity, you will get to work with the team that has consistently been setting benchmarks for other deliveries in terms of delivery high CSATs, project completion on time and being one of the best teams to work for in the organization.You get an open and transparent culture along with freedom to experimentation and innovation.