Lead Java Developer

Email resume to hr@tri-spanconsulting.comSenior Java Backend & Middleware Engineer / Lead EngineerExperience10+ years in Java backend development with strong middleware and integration experienceJob SummaryWe are seeking a highly experienced Java Backend & Middleware Engineer to design, build, and scale high-performance, distributed systems. The ideal candidate has deep expertise in Java, enterprise middleware, and system integrations, and has led backend architecture in complex, production-grade environments.Key ResponsibilitiesBackend & System DesignDesign and develop scalable, high-availability backend services using Java (Java 8+)Architect and implement micro services and event-driven systemsOwn end-to-end backend architecture including APIs, data flows, and integrationsDrive performance tuning, scalability, and reliability improvementsMiddleware & IntegrationBuild and maintain middleware layers for system-to-system integrationsWork with message brokers such as Kafka, RabbitMQ, ActiveMQ, or JMSDesign integration patterns using REST, SOAP, async messaging, and batch processesImplement API management, throttling, and security best practicesCloud & DevOpsDeploy and manage applications on AWS / Azure / GCPContainerization using Docker and orchestration with KubernetesCI/CD pipeline setup and maintenance (Jenkins, GitHub Actions, GitLab CI)Monitor and troubleshoot production systemsData & PersistenceDesign and optimize data models using SQL (PostgreSQL, MySQL, Oracle) and NoSQL databasesWork with caching solutions like Redis / MemcachedEnsure data consistency, transaction management, and fault toleranceLeadership & CollaborationLead technical design discussions and mentor junior engineersConduct code reviews and enforce engineering best practicesCollaborate with product managers, architects, and cross-functional teamsDrive technical decisions and contribute to roadmap planningRequired SkillsCore Technical Skills10+ years of Java backend developmentStrong experience with Spring / Spring BootExpertise in middleware technologies and enterprise integrationHands-on experience with microservices architectureStrong knowledge of RESTful APIs, security (OAuth2, JWT), and API gatewaysMiddleware & MessagingKafka, JMS, RabbitMQ, ActiveMQ, or similarOther Technical SkillsStrong understanding of multithreading, concurrency, and JVM internalsExperience with logging, monitoring, and observability toolsSolid understanding of software design patterns and clean architectureEducation • • Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience